src/Elderlycaresystem2/.gitignore

@@ -1,15 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
-.externalNativeBuild
-.cxx
-local.properties

src/Elderlycaresystem2/.idea/.gitignore

@@ -1,3 +0,0 @@
-# 默认忽略的文件
-/shelf/
-/workspace.xml

src/Elderlycaresystem2/.idea/.name

@@ -1 +0,0 @@
-Elderlycaresystem2

src/Elderlycaresystem2/.idea/compiler.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
-  </component>
-</project>

src/Elderlycaresystem2/.idea/gradle.xml

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="D:/gradle-8.6" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-          </set>
-        </option>
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>

src/Elderlycaresystem2/.idea/misc.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>

src/Elderlycaresystem2/app/.gitignore

@@ -1 +0,0 @@
-/build

src/Elderlycaresystem2/app/build.gradle

@@ -1,66 +0,0 @@
-plugins {
-    id 'com.android.application'
-}
-
-android {
-    namespace 'com.example.elderlycaresystem2'
-    compileSdk 33
-
-    defaultConfig {
-        applicationId "com.example.elderlycaresystem2"
-        minSdk 24
-        targetSdk 33
-        versionCode 1
-        versionName "1.0"
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-    buildFeatures {
-        viewBinding true
-    }
-}
-
-dependencies {
-
-    implementation 'androidx.appcompat:appcompat:1.4.1'
-    implementation 'com.google.android.material:material:1.5.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
-    implementation 'androidx.navigation:navigation-fragment:2.4.1'
-    implementation 'androidx.navigation:navigation-ui:2.4.1'
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.3'
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.15.3'
-    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.15.3'
-    // RecyclerView 用于显示消息列表
-    implementation 'androidx.recyclerview:recyclerview:1.2.1'
-
-    // Retrofit 用于网络请求
-    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
-    implementation 'com.squareup.retrofit2:converter-jackson:2.9.0'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.2' // 使用最新版本
-
-    // OkHttp 日志拦截器（可选，用于调试）
-    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
-
-    // Glide 或 Picasso 用于加载图片（如果需要）
-    implementation 'com.github.bumptech.glide:glide:4.12.0'
-//    kapt 'com.github.bumptech.glide:compiler:4.12.0'y
-    implementation 'com.google.code.gson:gson:2.8.9'
-
-    // 其他常用库
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-
-}

src/Elderlycaresystem2/app/proguard-rules.pro

@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile

src/Elderlycaresystem2/app/src/androidTest/java/com/example/elderlycaresystem2/ExampleInstrumentedTest.java

@@ -1,26 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.content.Context;
-
-import androidx.test.platform.app.InstrumentationRegistry;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
-        assertEquals("com.example.elderlycaresystem2", appContext.getPackageName());
-    }
-}

src/Elderlycaresystem2/app/src/main/AndroidManifest.xml

@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
-    <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.CALL_PHONE" />
-    <uses-permission android:name="android.permission.VIBRATE" />
-
-    <application
-        android:allowBackup="true"
-        android:dataExtractionRules="@xml/data_extraction_rules"
-        android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
-        android:supportsRtl="true"
-        android:theme="@style/Theme.Elderlycaresystem2.NoActionBar"
-        tools:targetApi="31">
-        <activity
-            android:name=".DetectionActivity"
-            android:exported="true"
-            android:label="@string/app_name"
-            android:theme="@style/Theme.Elderlycaresystem2.NoActionBar">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-        <service
-            android:name=".FallManager"
-            android:enabled="true"
-            android:exported="false"/>
-        <activity android:name=".UserActivity" />
-        <!--        <activity android:name=".DetectionActivity" />-->
-        <activity android:name=".TalkActivity" />
-        <activity android:name=".ChangeActivity" />
-        <activity android:name=".ContactActivity" />
-    </application>
-
-
-</manifest>

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/AIRequest.java

@@ -1,40 +0,0 @@
-package com.example.elderlycaresystem2; // 请替换为您的实际包名
-
-import java.util.List;
-
-public class AIRequest {
-    private String model;
-    private double temperature;
-    private List<Message> messages;
-
-    public AIRequest(String model, double temperature, List<Message> messages) {
-        this.model = model;
-        this.temperature = temperature;
-        this.messages = messages;
-    }
-
-    // Getters 和 Setters
-    public String getModel() {
-        return model;
-    }
-
-    public void setModel(String model) {
-        this.model = model;
-    }
-
-    public double getTemperature() {
-        return temperature;
-    }
-
-    public void setTemperature(double temperature) {
-        this.temperature = temperature;
-    }
-
-    public List<Message> getMessages() {
-        return messages;
-    }
-
-    public void setMessages(List<Message> messages) {
-        this.messages = messages;
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/AIResponse.java

@@ -1,130 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import java.util.List;
-
-@JsonIgnoreProperties(ignoreUnknown = true)
-public class AIResponse {
-    private String id;
-    private String object;
-    private long created;
-    private String model;
-    private List<Choice> choices;
-    private Usage usage;
-
-    // Getter 和 Setter 方法
-
-    public String getId() {
-        return id;
-    }
-
-    public void setId(String id) {
-        this.id = id;
-    }
-
-    public String getObject() {
-        return object;
-    }
-
-    public void setObject(String object) {
-        this.object = object;
-    }
-
-    public long getCreated() {
-        return created;
-    }
-
-    public void setCreated(long created) {
-        this.created = created;
-    }
-
-    public String getModel() {
-        return model;
-    }
-
-    public void setModel(String model) {
-        this.model = model;
-    }
-
-    public List<Choice> getChoices() {
-        return choices;
-    }
-
-    public void setChoices(List<Choice> choices) {
-        this.choices = choices;
-    }
-
-    public Usage getUsage() {
-        return usage;
-    }
-
-    public void setUsage(Usage usage) {
-        this.usage = usage;
-    }
-
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static class Choice {
-        private int index;
-        private Message message;
-        private String finish_reason;
-
-        // Getter 和 Setter 方法
-
-        public int getIndex() {
-            return index;
-        }
-
-        public void setIndex(int index) {
-            this.index = index;
-        }
-
-        public Message getMessage() {
-            return message;
-        }
-
-        public void setMessage(Message message) {
-            this.message = message;
-        }
-
-        public String getFinish_reason() {
-            return finish_reason;
-        }
-
-        public void setFinish_reason(String finish_reason) {
-            this.finish_reason = finish_reason;
-        }
-    }
-
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static class Usage {
-        private int prompt_tokens;
-        private int completion_tokens;
-        private int total_tokens;
-
-        // Getter 和 Setter 方法
-
-        public int getPrompt_tokens() {
-            return prompt_tokens;
-        }
-
-        public void setPrompt_tokens(int prompt_tokens) {
-            this.prompt_tokens = prompt_tokens;
-        }
-
-        public int getCompletion_tokens() {
-            return completion_tokens;
-        }
-
-        public void setCompletion_tokens(int completion_tokens) {
-            this.completion_tokens = completion_tokens;
-        }
-
-        public int getTotal_tokens() {
-            return total_tokens;
-        }
-
-        public void setTotal_tokens(int total_tokens) {
-            this.total_tokens = total_tokens;
-        }
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/ApiService.java

@@ -1,10 +0,0 @@
-package com.example.elderlycaresystem2; // 请替换为您的实际包名
-
-import retrofit2.Call;
-import retrofit2.http.Body;
-import retrofit2.http.POST;
-
-public interface ApiService {
-    @POST("v1/chat/completions") // 定义相对路径
-    Call<AIResponse> getAIReply(@Body AIRequest request);
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/ChangeActivity.java

@@ -1,82 +0,0 @@
-// src/main/java/com/example/elderlycaresystem2/ChangeActivity.java
-package com.example.elderlycaresystem2;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.view.View;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.Toast;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class ChangeActivity extends AppCompatActivity implements View.OnClickListener {
-
-    private EditText etAcc;
-    private Button btnConfirm;
-    private ContactManager contactManager;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_change); // 确保布局文件名为 activity_contact.xml
-
-        // 初始化 ContactManager
-        contactManager = new ContactManager(this);
-
-        // 绑定视图
-        View back=findViewById(R.id.btn_back);
-        etAcc = findViewById(R.id.et_acc);
-        btnConfirm = findViewById(R.id.btn_queding);
-        back.setOnClickListener(this);
-
-        // 加载当前联系人信息
-        loadContactInfo();
-
-        // 设置确认按钮点击事件
-        btnConfirm.setOnClickListener(view -> {
-            String acc = etAcc.getText().toString().trim();
-
-            if (validateInput(acc)) {
-                // 保存联系人信息
-                contactManager.setAcc(acc);
-
-                Toast.makeText(ChangeActivity.this, "阈值已更新", Toast.LENGTH_SHORT).show();
-
-                // 结束当前活动，返回上一页
-                finish();
-            }
-        });
-    }
-    @Override
-    public void onClick(View v) {
-        if (v.getId() == R.id.btn_back) {
-            Intent intent = new Intent(ChangeActivity.this, UserActivity.class);
-            startActivity(intent);
-            finish();
-        }
-        else {
-            return;
-        }
-
-    }
-
-    // 加载当前联系人信息到输入框
-    private void loadContactInfo() {
-        String currentAcc = contactManager.getAcc();
-        etAcc.setText(currentAcc);
-
-    }
-
-    // 验证用户输入
-    private boolean validateInput(String acc) {
-
-        if (TextUtils.isEmpty(acc)) {
-            Toast.makeText(this, "摔倒阈值不能为空", Toast.LENGTH_SHORT).show();
-            return false;
-        }
-
-        return true;
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/ContactActivity.java

@@ -1,96 +0,0 @@
-// src/main/java/com/example/elderlycaresystem2/ContactActivity.java
-package com.example.elderlycaresystem2;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.view.View;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.Toast;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class ContactActivity extends AppCompatActivity implements View.OnClickListener {
-
-    private EditText etName, etPhone;
-    private Button btnConfirm;
-    private ContactManager contactManager;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_contact); // 确保布局文件名为 activity_contact.xml
-
-        // 初始化 ContactManager
-        contactManager = new ContactManager(this);
-
-        // 绑定视图
-        View back=findViewById(R.id.btn_back);
-        etName = findViewById(R.id.et_name);
-        etPhone = findViewById(R.id.et_phone);
-        btnConfirm = findViewById(R.id.btn_queding);
-        back.setOnClickListener(this);
-
-        // 加载当前联系人信息
-        loadContactInfo();
-
-        // 设置确认按钮点击事件
-        btnConfirm.setOnClickListener(view -> {
-            String name = etName.getText().toString().trim();
-            String phone = etPhone.getText().toString().trim();
-
-            if (validateInput(name, phone)) {
-                // 保存联系人信息
-                contactManager.setContactName(name);
-                contactManager.setContactPhone(phone);
-
-                Toast.makeText(ContactActivity.this, "紧急联系人已更新", Toast.LENGTH_SHORT).show();
-
-                // 结束当前活动，返回上一页
-                finish();
-            }
-        });
-    }
-    @Override
-    public void onClick(View v) {
-        if (v.getId() == R.id.btn_back) {
-            Intent intent = new Intent(ContactActivity.this, UserActivity.class);
-            startActivity(intent);
-            finish();
-        }
-        else {
-            return;
-        }
-
-    }
-
-    // 加载当前联系人信息到输入框
-    private void loadContactInfo() {
-        String currentName = contactManager.getContactName();
-        String currentPhone = contactManager.getContactPhone();
-
-        etName.setText(currentName);
-        etPhone.setText(currentPhone);
-    }
-
-    // 验证用户输入
-    private boolean validateInput(String name, String phone) {
-        if (TextUtils.isEmpty(name)) {
-            Toast.makeText(this, "联系人名字不能为空", Toast.LENGTH_SHORT).show();
-            return false;
-        }
-
-        if (TextUtils.isEmpty(phone)) {
-            Toast.makeText(this, "电话号码不能为空", Toast.LENGTH_SHORT).show();
-            return false;
-        }
-
-        if (!phone.matches("\\d{11}")) { // 简单验证11位数字
-            Toast.makeText(this, "请输入有效的11位电话号码", Toast.LENGTH_SHORT).show();
-            return false;
-        }
-
-        return true;
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/ContactData.java

@@ -1,4 +0,0 @@
-package com.example.elderlycaresystem2;
-
-public class ContactData {
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/ContactManager.java

@@ -1,42 +0,0 @@
-// src/main/java/com/example/elderlycaresystem2/ContactManager.java
-package com.example.elderlycaresystem2;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-
-public class ContactManager {
-    private static final String KEY_CONTACT_NAME = "contact_name";
-    private static final String KEY_CONTACT_PHONE = "contact_phone";
-    private static final String KEY_ACC = "acc";
-    private SharedPreferences sharedPreferences;
-
-    public ContactManager(Context context) {
-        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-    }
-
-    // 获取联系人名字
-    public String getContactName() {
-        return sharedPreferences.getString(KEY_CONTACT_NAME, "紧急联系人");
-    }
-
-    // 获取联系人电话
-    public String getContactPhone() {
-        return sharedPreferences.getString(KEY_CONTACT_PHONE, "110");
-    }
-    public String getAcc() {
-        return sharedPreferences.getString(KEY_ACC, "20");
-    }
-    // 设置联系人名字
-    public void setContactName(String name) {
-        sharedPreferences.edit().putString(KEY_CONTACT_NAME, name).apply();
-    }
-
-    // 设置联系人电话
-    public void setContactPhone(String phone) {
-        sharedPreferences.edit().putString(KEY_CONTACT_PHONE, phone).apply();
-    }
-    public void setAcc(String acc) {
-        sharedPreferences.edit().putString(KEY_ACC, acc).apply();
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/DetectionActivity.java

@@ -1,365 +0,0 @@
-// src/main/java/com/example/elderlycaresystem2/MainActivity.java
-package com.example.elderlycaresystem2;
-
-import android.Manifest;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.hardware.Sensor;
-import android.hardware.SensorEvent;
-import android.hardware.SensorEventListener;
-import android.hardware.SensorManager;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
-import android.util.Log;
-import android.view.View;
-import android.widget.Button;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-
-public class DetectionActivity extends AppCompatActivity implements SensorEventListener,View.OnClickListener {
-    private LinearLayout btn_talk;
-    private LinearLayout btn_main;
-    private LinearLayout btn_user;
-
-    private static final String TAG = "MainActivity";
-    private static final int REQUEST_CALL_PERMISSION = 100;
-
-    private SensorManager sensorManager;
-    private Sensor accelerometer;
-    private Sensor gyroscope;
-    private TextView statusTextView;
-    private Button buttonToggleDetection;
-
-    // 阈值参数
-    private final double FALL_THRESHOLD_LOW = 20.0;  // 加速度低阈值
-    private final double FALL_THRESHOLD_HIGH = 30.0; // 加速度高阈值
-    private final double ROTATION_THRESHOLD = 20.0; // 陀螺仪旋转变化阈值
-
-    private boolean isFalling = false;  // 跌倒标志位
-    private boolean hasFallen = false;  // 防止多次触发
-    private boolean isDetectionEnabled = true; // 跌倒检测是否开启
-
-    // 倒计时相关
-    private Handler handler = new Handler(Looper.getMainLooper());
-    private Runnable autoCallRunnable;
-    private int countdownSeconds = 10; // 倒计时秒数
-
-    // 紧急联系人管理
-    private ContactManager contactManager;
-
-    // 用于标记权限请求是否是由跌倒检测触发
-    private boolean isPermissionRequestedForFall = false;
-
-    // SharedPreferences 键
-    private static final String PREF_DETECTION_ENABLED = "pref_detection_enabled";
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_detection); // 确保布局文件名为 activity_main.xml
-
-        // 初始化 ContactManager
-        contactManager = new ContactManager(this);
-
-        // 初始化TextView用于显示状态
-        statusTextView = findViewById(R.id.statusTextView); // 确保 ID 一致
-
-        // 初始化按钮
-        buttonToggleDetection = findViewById(R.id.switch_toggle_detection);
-
-        // 初始化传感器管理器
-        sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
-
-        btn_talk  = findViewById(R.id.btn_talk);
-        btn_main  = findViewById(R.id.btn_main);
-        btn_user  = findViewById(R.id.btn_user);
-        // 给开关按钮设置选择监听器，一旦用户点击它，就触发监听器的onCheckedChanged方法
-        //底部导航栏
-        btn_talk.setOnClickListener(this);
-        btn_main.setOnClickListener(this);
-        btn_user.setOnClickListener(this);
-        // 获取加速度计和陀螺仪传感器
-        if (sensorManager != null) {
-            accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
-            gyroscope = sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
-        }
-
-        // 读取检测状态
-        SharedPreferences sharedPreferences = getSharedPreferences("app_prefs", MODE_PRIVATE);
-        isDetectionEnabled = sharedPreferences.getBoolean(PREF_DETECTION_ENABLED, true);
-        updateDetectionUI();
-
-        // 设置按钮点击事件
-        buttonToggleDetection.setOnClickListener(view -> {
-            isDetectionEnabled = !isDetectionEnabled;
-            // 保存检测状态
-            sharedPreferences.edit().putBoolean(PREF_DETECTION_ENABLED, isDetectionEnabled).apply();
-            // 更新UI和传感器监听器
-            updateDetectionUI();
-        });
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        // 根据检测状态注册传感器监听器
-        if (isDetectionEnabled) {
-            registerSensorListeners();
-        }
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        // 取消注册监听器
-        sensorManager.unregisterListener(this);
-    }
-
-    @Override
-    public void onSensorChanged(SensorEvent event) {
-        if (!isDetectionEnabled || hasFallen) {
-            // 检测未开启或已检测到跌倒，避免处理
-            return;
-        }
-
-        if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
-            handleAccelerometerData(event.values);
-        } else if (event.sensor.getType() == Sensor.TYPE_GYROSCOPE) {
-            handleGyroscopeData(event.values);
-        }
-    }
-
-    private void handleAccelerometerData(float[] values) {
-        // 获取加速度数据
-        float x = values[0];
-        float y = values[1];
-        float z = values[2];
-
-        // 计算加速度的模
-        double totalAcceleration = Math.sqrt(x * x + y * y + z * z);
-        Log.d(TAG, "加速度模: " + totalAcceleration);
-        SharedPreferences shared=getSharedPreferences("加速度",MODE_PRIVATE);
-        shared.edit().putFloat("加速度", (float) totalAcceleration).apply();
-        // 判断是否进入自由落体阶段
-        if (totalAcceleration > FALL_THRESHOLD_LOW) {
-            isFalling = true; // 标记为正在摔倒
-            runOnUiThread(() -> statusTextView.setText("正在摔倒... 自由落体检测到"));
-        }
-        if (isFalling && (totalAcceleration > FALL_THRESHOLD_HIGH)) {
-            // 如果之前进入自由落体阶段，且现在检测到冲击，认为是摔倒
-            isFalling = false; // 重置摔倒标志位
-            hasFallen = true; // 防止重复触发
-            runOnUiThread(() -> {
-                statusTextView.setText("摔倒检测到！正在处理...");
-                showFallDialog();
-            });
-        }
-    }
-
-    private void handleGyroscopeData(float[] values) {
-        // 获取陀螺仪数据
-        float rotationX = values[0];
-        float rotationY = values[1];
-        float rotationZ = values[2];
-        Log.d(TAG, "陀螺仪旋转: X=" + rotationX + ", Y=" + rotationY + ", Z=" + rotationZ);
-
-        // 判断旋转变化是否过大
-        if (Math.abs(rotationX) > ROTATION_THRESHOLD || Math.abs(rotationY) > ROTATION_THRESHOLD || Math.abs(rotationZ) > ROTATION_THRESHOLD) {
-            runOnUiThread(() -> statusTextView.setText("陀螺仪检测到异常旋转！"));
-            showFallDialog();
-        }
-    }
-
-    private void showFallDialog() {
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
-        builder.setTitle("跌倒警报");
-        builder.setMessage("检测到跌倒，是否拨打紧急联系人电话？");
-
-        builder.setPositiveButton("是", new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int which) {
-
-                // 取消自动拨打
-                handler.removeCallbacks(autoCallRunnable);
-
-                // 拨打电话
-                makeEmergencyCall();
-            }
-        });
-
-        builder.setNegativeButton("否", new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int which) {
-                // 取消自动拨打
-                handler.removeCallbacks(autoCallRunnable);
-                dialog.dismiss();
-                hasFallen = false; // 允许再次触发
-                runOnUiThread(() -> statusTextView.setText("摔倒检测取消"));
-            }
-        });
-
-        builder.setCancelable(false); // 不允许点击外部取消
-
-        AlertDialog alertDialog = builder.create();
-        alertDialog.show();
-
-        // 启动倒计时任务，倒计时结束后自动拨打电话
-        startAutoCallCountdown();
-    }
-
-    private void startAutoCallCountdown() {
-        autoCallRunnable = new Runnable() {
-            int remainingSeconds = countdownSeconds;
-
-            @Override
-            public void run() {
-                if (remainingSeconds > 0) {
-                    runOnUiThread(() -> statusTextView.setText("倒计时 " + remainingSeconds + " 秒后自动拨打紧急电话"));
-                    remainingSeconds--;
-                    handler.postDelayed(this, 1000);
-                } else {
-                    makeEmergencyCall();
-                }
-            }
-        };
-        handler.post(autoCallRunnable);
-    }
-
-    private void makeEmergencyCall() {
-        String emergencyNumber = contactManager.getContactPhone(); // 使用 ContactManager 获取号码
-
-        if (emergencyNumber == null || emergencyNumber.isEmpty()) {
-            Toast.makeText(this, "紧急联系人号码未设置", Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        // 检查拨打电话权限
-        if (ContextCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
-            Toast.makeText(this, "未授予拨打电话权限", Toast.LENGTH_SHORT).show();
-            // 仅在跌倒检测触发时请求权限
-            isPermissionRequestedForFall = true;
-            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CALL_PHONE}, REQUEST_CALL_PERMISSION);
-            return;
-        }
-
-        // 拨打电话
-        Intent callIntent = new Intent(Intent.ACTION_CALL);
-        callIntent.setData(Uri.parse("tel:" + emergencyNumber));
-        callIntent.putExtra("com.android.phone.extra.slot", 0); // simSlotIndex为0或1
-        try {
-            startActivity(callIntent);
-        } catch (SecurityException e) {
-            Log.e(TAG, "拨打电话失败: " + e.getMessage());
-            Toast.makeText(this, "拨打电话失败，请检查权限设置", Toast.LENGTH_SHORT).show();
-        }
-    }
-
-    // 处理权限请求结果
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        if (requestCode == REQUEST_CALL_PERMISSION) {
-            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                if (isPermissionRequestedForFall) {
-                    isPermissionRequestedForFall = false;
-                    // 权限授予后，尝试拨打电话
-                    makeEmergencyCall();
-                }
-            } else {
-                Toast.makeText(this, "未授予拨打电话权限，无法自动拨打紧急电话", Toast.LENGTH_SHORT).show();
-            }
-        } else {
-            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-        }
-    }
-
-    // 可根据需要处理传感器精度变化
-    @Override
-    public void onAccuracyChanged(Sensor sensor, int accuracy) {
-        // 不需要处理
-    }
-
-    // 菜单相关代码
-    @Override
-    public boolean onCreateOptionsMenu(android.view.Menu menu) {
-        // Inflate the menu; 这将把 menu_main.xml 添加到 ActionBar
-        getMenuInflater().inflate(R.menu.menu_main, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(@NonNull android.view.MenuItem item) {
-        // 处理 ActionBar 的项目点击事件
-        int id = item.getItemId();
-
-        if (id == R.id.action_settings) {
-            // 启动 ContactActivity
-            Intent intent = new Intent(this, ContactActivity.class);
-            startActivity(intent);
-            return true;
-        }
-
-        return super.onOptionsItemSelected(item);
-    }
-
-    /**
-     * 注册传感器监听器
-     */
-    private void registerSensorListeners() {
-        if (accelerometer != null) {
-            sensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_NORMAL);
-        }
-        if (gyroscope != null) {
-            sensorManager.registerListener(this, gyroscope, SensorManager.SENSOR_DELAY_NORMAL);
-        }
-        Toast.makeText(this, "跌倒检测已开启", Toast.LENGTH_SHORT).show();
-        buttonToggleDetection.setText("关闭跌倒检测");
-        statusTextView.setText("跌倒检测已开启");
-    }
-
-    /**
-     * 注销传感器监听器
-     */
-    private void unregisterSensorListeners() {
-        sensorManager.unregisterListener(this);
-        Toast.makeText(this, "跌倒检测已关闭", Toast.LENGTH_SHORT).show();
-        buttonToggleDetection.setText("开启跌倒检测");
-        statusTextView.setText("跌倒检测已关闭");
-    }
-
-    /**
-     * 更新检测按钮的UI和传感器监听器
-     */
-    private void updateDetectionUI() {
-        if (isDetectionEnabled) {
-            registerSensorListeners();
-        } else {
-            unregisterSensorListeners();
-        }
-    }
-    @Override
-    public void onClick(View v) {
-        if (v.getId() == R.id.btn_talk) {
-            Intent intent = new Intent(DetectionActivity.this, TalkActivity.class);
-            startActivity(intent);
-            finish();
-        } else if (v.getId() == R.id.btn_main) {
-            return;
-        }else {
-            Intent intent = new Intent(DetectionActivity.this,UserActivity.class);
-            startActivity(intent);
-            finish();
-        }
-
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/DialogueData.java

@@ -1,4 +0,0 @@
-package com.example.elderlycaresystem2;
-
-public class DialogueData {
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/FallManager.java

@@ -1,166 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.annotation.SuppressLint;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.media.MediaPlayer;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.Message;
-import android.os.Vibrator;
-import android.preference.PreferenceManager;
-import android.telephony.SmsManager;
-import android.util.Log;
-import android.view.WindowManager;
-import android.widget.TextView;
-import android.widget.Toast;
-import android.content.pm.PackageManager;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-
-import java.util.Timer;
-import java.util.TimerTask;
-
-public class FallManager extends BroadcastReceiver {
-
-    private TextView countingView;
-    private Dialog dialog;
-    private Timer timer;
-    private SharedPreferences sharedPreferences;
-    private Vibrator vibrator;
-    private boolean isVibrate;
-    private MediaPlayer mediaPlayer;
-    private Context context;
-    private final String TAG = "FallLocalReceiver";
-
-    public FallManager() {
-    }
-
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        Log.d(TAG, "FallLocalReceiver.onReceive()");
-        this.context = context;
-        showAlertDialog();
-
-        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-        isVibrate = sharedPreferences.getBoolean("pre_key_vibrate", true);
-        if (isVibrate) {
-            startVibrate();
-        }
-        startAlarm();
-    }
-
-    private void showAlertDialog() {
-        countingView = new TextView(context);
-        AlertDialog.Builder builder = new AlertDialog.Builder(context.getApplicationContext());
-        builder.setTitle("跌倒警报");
-        builder.setView(countingView);
-        builder.setMessage("检测到跌倒发生，是否发出警报？");
-//        builder.setIcon(R.drawable.ic_warning); 《图标资源》
-        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int which) {
-                timer.cancel();
-                dialog.dismiss();
-                if (isVibrate) {
-                    stopVibrate();
-                }
-                stopAlarm();
-            }
-        });
-        dialog = builder.create();
-        dialog.setCanceledOnTouchOutside(false);
-        dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
-        countDown();
-        dialog.show();
-        Log.d(TAG, "dialog.create()");
-    }
-
-    private void countDown() {
-        timer = new Timer();
-        TimerTask timerTask = new TimerTask() {
-            int countTime = 10;
-
-            @Override
-            public void run() {
-                if (countTime > 0) {
-                    countTime--;
-                }
-                Message msgTime = handler.obtainMessage();
-                msgTime.arg1 = countTime;
-                handler.sendMessage(msgTime);
-            }
-        };
-        timer.schedule(timerTask, 50, 1000);
-    }
-
-    public Handler handler = new Handler() {
-        @SuppressLint("HandlerLeak")
-        @Override
-        public void handleMessage(Message msg) {
-            super.handleMessage(msg);
-            if (msg.arg1 > 0) {
-                countingView.setText(msg.arg1 + "秒后自动拨打紧急联系人电话");
-            } else {
-                if (dialog != null) {
-                    dialog.dismiss();
-                    if (isVibrate) {
-                        stopVibrate();
-                    }
-                    stopAlarm();
-                    checkCallPermission(); // 倒计时结束自动拨打电话
-                }
-                timer.cancel();
-            }
-        }
-    };
-
-    private void startVibrate() {
-        vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
-        long[] pattern = {100, 500, 100, 500};
-        vibrator.vibrate(pattern, 2);
-    }
-
-    private void stopVibrate() {
-        vibrator.cancel();
-    }
-
-    private void startAlarm() {
-        String ringtone = sharedPreferences.getString("pre_key_alarm", null);
-        Uri ringtoneUri = Uri.parse(ringtone);
-        mediaPlayer = MediaPlayer.create(context, ringtoneUri);
-        mediaPlayer.setLooping(true); // 设置循环
-        mediaPlayer.start();
-    }
-
-    private void stopAlarm() {
-        if (mediaPlayer != null) {
-            mediaPlayer.stop();
-            mediaPlayer.release();
-        }
-        mediaPlayer.stop();
-        mediaPlayer.release();
-    }
-
-    private void checkCallPermission() {
-        String phoneNum = sharedPreferences.getString("pre_key_phone", null);
-        if (phoneNum != null && !phoneNum.isEmpty()) {
-            Intent callIntent = new Intent(Intent.ACTION_CALL);
-            callIntent.setData(Uri.parse("tel:" + phoneNum));
-
-            // 检查权限
-            if (ContextCompat.checkSelfPermission(context, android.Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_GRANTED) {
-                context.startActivity(callIntent);
-            } else {
-                Toast.makeText(context, "请授予拨打电话权限", Toast.LENGTH_SHORT).show();
-            }
-        } else {
-            Toast.makeText(context, "没有设置紧急联系人号码", Toast.LENGTH_SHORT).show();
-        }
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/FirstFragment.java

@@ -1,47 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.navigation.fragment.NavHostFragment;
-
-import com.example.elderlycaresystem2.databinding.FragmentFirstBinding;
-
-public class FirstFragment extends Fragment {
-
-    private FragmentFirstBinding binding;
-
-    @Override
-    public View onCreateView(
-            LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState
-    ) {
-
-        binding = FragmentFirstBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-
-    }
-
-    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        binding.buttonFirst.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                NavHostFragment.findNavController(FirstFragment.this)
-                        .navigate(R.id.action_FirstFragment_to_SecondFragment);
-            }
-        });
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        binding = null;
-    }
-
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/MainActivity.java

@@ -1,76 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.os.Bundle;
-
-import com.google.android.material.snackbar.Snackbar;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.view.View;
-
-import androidx.navigation.NavController;
-import androidx.navigation.Navigation;
-import androidx.navigation.ui.AppBarConfiguration;
-import androidx.navigation.ui.NavigationUI;
-
-import com.example.elderlycaresystem2.databinding.ActivityMainBinding;
-
-import android.view.Menu;
-import android.view.MenuItem;
-
-public class MainActivity extends AppCompatActivity {
-
-    private AppBarConfiguration appBarConfiguration;
-    private ActivityMainBinding binding;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        binding = ActivityMainBinding.inflate(getLayoutInflater());
-        setContentView(binding.getRoot());
-
-        setSupportActionBar(binding.toolbar);
-
-        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
-        appBarConfiguration = new AppBarConfiguration.Builder(navController.getGraph()).build();
-        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
-
-        binding.fab.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                        .setAction("Action", null).show();
-            }
-        });
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.menu_main, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        // Handle action bar item clicks here. The action bar will
-        // automatically handle clicks on the Home/Up button, so long
-        // as you specify a parent activity in AndroidManifest.xml.
-        int id = item.getItemId();
-
-        //noinspection SimplifiableIfStatement
-        if (id == R.id.action_settings) {
-            return true;
-        }
-
-        return super.onOptionsItemSelected(item);
-    }
-
-    @Override
-    public boolean onSupportNavigateUp() {
-        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
-        return NavigationUI.navigateUp(navController, appBarConfiguration)
-                || super.onSupportNavigateUp();
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/Message.java

@@ -1,34 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-
-@JsonIgnoreProperties(ignoreUnknown = true)
-public class Message {
-    private String role;
-    private String content;
-
-    public Message() {
-    }
-
-    public Message(String role, String content) {
-        this.role = role;
-        this.content = content;
-    }
-
-    // Getters 和 Setters
-    public String getRole() {
-        return role;
-    }
-
-    public void setRole(String role) {
-        this.role = role;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/MessageManager.java

@@ -1,4 +0,0 @@
-package com.example.elderlycaresystem2;
-
-public class MessageManager {
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/MessagesAdapter.java

@@ -1,115 +0,0 @@
-package com.example.elderlycaresystem2; // 请替换为您的实际包名
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.List;
-
-public class MessagesAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-
-    private List<Message> messages;
-
-    private static final int VIEW_TYPE_USER = 1;
-    private static final int VIEW_TYPE_ASSISTANT = 2;
-    private static final int VIEW_TYPE_SYSTEM = 3;
-
-    public MessagesAdapter(List<Message> messages) {
-        this.messages = messages;
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        String role = messages.get(position).getRole();
-        switch (role) {
-            case "user":
-                return VIEW_TYPE_USER;
-            case "assistant":
-                return VIEW_TYPE_ASSISTANT;
-            case "system":
-                return VIEW_TYPE_SYSTEM;
-            default:
-                return VIEW_TYPE_ASSISTANT;
-        }
-    }
-
-    @NonNull
-    @Override
-    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view;
-        if(viewType == VIEW_TYPE_USER){
-            view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_message_sent, parent, false);
-            return new UserMessageViewHolder(view);
-        } else if(viewType == VIEW_TYPE_ASSISTANT){
-            view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_message_received, parent, false);
-            return new AssistantMessageViewHolder(view);
-        } else { // VIEW_TYPE_SYSTEM
-            view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_message_system, parent, false);
-            return new SystemMessageViewHolder(view);
-        }
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
-        Message message = messages.get(position);
-        if(holder.getItemViewType() == VIEW_TYPE_USER){
-            ((UserMessageViewHolder) holder).bind(message);
-        } else if(holder.getItemViewType() == VIEW_TYPE_ASSISTANT){
-            ((AssistantMessageViewHolder) holder).bind(message);
-        } else { // VIEW_TYPE_SYSTEM
-            ((SystemMessageViewHolder) holder).bind(message);
-        }
-    }
-
-    @Override
-    public int getItemCount() {
-        return messages.size();
-    }
-
-    // ViewHolder for user messages
-    public class UserMessageViewHolder extends RecyclerView.ViewHolder {
-        TextView textViewMessage;
-
-        public UserMessageViewHolder(@NonNull View itemView) {
-            super(itemView);
-            textViewMessage = itemView.findViewById(R.id.textViewMessage);
-        }
-
-        void bind(Message message){
-            textViewMessage.setText(message.getContent());
-        }
-    }
-
-    // ViewHolder for assistant messages
-    public class AssistantMessageViewHolder extends RecyclerView.ViewHolder {
-        TextView textViewMessage;
-
-        public AssistantMessageViewHolder(@NonNull View itemView) {
-            super(itemView);
-            textViewMessage = itemView.findViewById(R.id.textViewMessage);
-        }
-
-        void bind(Message message){
-            textViewMessage.setText(message.getContent());
-        }
-    }
-
-    // ViewHolder for system messages
-    public class SystemMessageViewHolder extends RecyclerView.ViewHolder {
-        TextView textViewMessage;
-
-        public SystemMessageViewHolder(@NonNull View itemView) {
-            super(itemView);
-            textViewMessage = itemView.findViewById(R.id.textViewMessage);
-        }
-
-        void bind(Message message){
-            textViewMessage.setText(message.getContent());
-            // 可以设置不同的样式，例如居中显示，淡色等
-        }
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/RetrofitClient.java

@@ -1,65 +0,0 @@
-package com.example.elderlycaresystem2; // 请替换为您的实际包名
-
-import okhttp3.Interceptor;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.Response;
-import okhttp3.logging.HttpLoggingInterceptor;
-import retrofit2.Retrofit;
-import retrofit2.converter.jackson.JacksonConverterFactory;
-
-import java.io.IOException;
-
-public class RetrofitClient {
-    private static final String BASE_URL = "https://openkey.cloud/"; // 确保以斜杠结尾
-    private static RetrofitClient instance;
-    private ApiService apiService;
-
-    private static final String API_KEY = "sk-ZoGHErXVBPukGFAW0f4f88C51cD84717AfEaBd70A9B7E49d"; // 请替换为您的新API密钥
-
-    private RetrofitClient() {
-        // 日志拦截器（可选，用于调试）
-        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
-        logging.setLevel(HttpLoggingInterceptor.Level.BODY);
-
-        // 添加 Authorization 拦截器
-        Interceptor authorizationInterceptor = new Interceptor() {
-            @Override
-            public Response intercept(Chain chain) throws IOException {
-                Request originalRequest = chain.request();
-                Request.Builder builder = originalRequest.newBuilder()
-                        .header("Authorization", "Bearer " + API_KEY)
-                        .header("Content-Type", "application/json");
-                Request newRequest = builder.build();
-                return chain.proceed(newRequest);
-            }
-        };
-
-        // 创建 OkHttpClient
-        OkHttpClient client = new OkHttpClient.Builder()
-                .addInterceptor(authorizationInterceptor)
-                .addInterceptor(logging)
-                .build();
-
-        // 创建 Retrofit 实例
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl(BASE_URL)
-                .addConverterFactory(JacksonConverterFactory.create())
-                .client(client)
-                .build();
-
-        // 创建 API 服务
-        apiService = retrofit.create(ApiService.class);
-    }
-
-    public static synchronized RetrofitClient getInstance(){
-        if(instance == null){
-            instance = new RetrofitClient();
-        }
-        return instance;
-    }
-
-    public ApiService getApiService(){
-        return apiService;
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/SecondFragment.java

@@ -1,47 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.navigation.fragment.NavHostFragment;
-
-import com.example.elderlycaresystem2.databinding.FragmentSecondBinding;
-
-public class SecondFragment extends Fragment {
-
-    private FragmentSecondBinding binding;
-
-    @Override
-    public View onCreateView(
-            LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState
-    ) {
-
-        binding = FragmentSecondBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-
-    }
-
-    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        binding.buttonSecond.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                NavHostFragment.findNavController(SecondFragment.this)
-                        .navigate(R.id.action_SecondFragment_to_FirstFragment);
-            }
-        });
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        binding = null;
-    }
-
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/TalkActivity.java

@@ -1,153 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.util.Log;
-import android.view.View;
-import android.view.inputmethod.InputMethodManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.Toast;
-
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import java.util.ArrayList;
-
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-
-public class TalkActivity extends AppCompatActivity implements View.OnClickListener{
-
-    private RecyclerView recyclerViewMessages;
-    private EditText editTextMessage;
-    private Button buttonSend;
-    private MessagesAdapter adapter;
-    private ArrayList<Message> messagesList;
-    private ApiService apiService;
-    private LinearLayout btn_talk;
-    private LinearLayout btn_main;
-    private LinearLayout btn_user;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_talk); // 确保布局文件名正确
-
-        recyclerViewMessages = findViewById(R.id.recyclerViewMessages);
-        editTextMessage = findViewById(R.id.editTextMessage);
-        buttonSend = findViewById(R.id.buttonSend);
-
-        messagesList = new ArrayList<>();
-        adapter = new MessagesAdapter(messagesList);
-        recyclerViewMessages.setAdapter(adapter);
-        recyclerViewMessages.setLayoutManager(new LinearLayoutManager(this));
-
-        apiService = RetrofitClient.getInstance().getApiService();
-        btn_talk  = findViewById(R.id.btn_talk);
-        btn_main  = findViewById(R.id.btn_main);
-        btn_user  = findViewById(R.id.btn_user);
-        //底部导航栏
-        btn_talk.setOnClickListener(this);
-        btn_main.setOnClickListener(this);
-        btn_user.setOnClickListener(this);
-
-        // 初始化对话，系统提示
-        addSystemMessage("这是一个专注于老人的助手，可以帮助你解决一些问题。");
-
-        buttonSend.setOnClickListener(view -> {
-            String messageText = editTextMessage.getText().toString().trim();
-            if(!TextUtils.isEmpty(messageText)){
-                sendMessage(messageText);
-                editTextMessage.setText("");
-            }
-        });
-    }
-
-    private void addSystemMessage(String content) {
-        Message systemMessage = new Message("system", content);
-        messagesList.add(systemMessage);
-        adapter.notifyItemInserted(messagesList.size() - 1);
-        recyclerViewMessages.scrollToPosition(messagesList.size() - 1);
-        Log.d("TalkActivity", "系统消息添加: " + content); // 添加日志
-    }
-
-    private void sendMessage(String messageText){
-        // 添加发送的消息到列表
-        Message userMessage = new Message("user", messageText);
-        messagesList.add(userMessage);
-        adapter.notifyItemInserted(messagesList.size() - 1);
-        recyclerViewMessages.scrollToPosition(messagesList.size() - 1);
-        Log.d("TalkActivity", "用户消息添加: " + messageText); // 添加日志
-
-        // 隐藏键盘
-        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
-        if (imm != null) {
-            imm.hideSoftInputFromWindow(editTextMessage.getWindowToken(), 0);
-        }
-
-        // 创建 AIRequest 对象
-        AIRequest request = new AIRequest("gpt-3.5-turbo", 0.7, messagesList);
-
-        // 发送请求
-        Call<AIResponse> call = apiService.getAIReply(request);
-        call.enqueue(new Callback<AIResponse>() {
-            @Override
-            public void onResponse(Call<AIResponse> call, Response<AIResponse> response) {
-                if(response.isSuccessful() && response.body() != null){
-                    AIResponse aiResponse = response.body();
-                    if(aiResponse.getChoices() != null && !aiResponse.getChoices().isEmpty()){
-                        String reply = aiResponse.getChoices().get(0).getMessage().getContent();
-                        Log.d("TalkActivity", "AI 回复: " + reply); // 添加日志
-
-                        // 添加助手的回复到消息列表
-                        Message assistantMessage = new Message("assistant", reply);
-                        messagesList.add(assistantMessage);
-
-                        // 确保在主线程中更新 UI
-                        runOnUiThread(() -> {
-                            adapter.notifyItemInserted(messagesList.size() - 1);
-                            recyclerViewMessages.scrollToPosition(messagesList.size() - 1);
-                            Log.d("TalkActivity", "AI 回复已添加到列表"); // 添加日志
-                        });
-                    } else {
-                        showError("AI 回复为空。");
-                        Log.e("TalkActivity", "AI 回复为空。");
-                    }
-                } else {
-                    showError("AI 回复失败，请稍后再试。");
-                    Log.e("TalkActivity", "AI 回复失败，状态码：" + response.code() + "，响应体：" + response.body());
-                }
-            }
-
-            @Override
-            public void onFailure(Call<AIResponse> call, Throwable t) {
-                showError("网络错误，请检查连接。");
-                Log.e("TalkActivity", "网络错误", t);
-            }
-        });
-    }
-    @Override
-    public void onClick(View v) {
-        if (v.getId() == R.id.btn_talk) {
-            return;
-        } else if (v.getId() == R.id.btn_main) {
-            Intent intent = new Intent(TalkActivity.this,DetectionActivity.class);
-            startActivity(intent);
-            finish();
-        }else {
-            Intent intent = new Intent(TalkActivity.this, UserActivity.class);
-            startActivity(intent);
-            finish();
-        }
-
-    }
-
-    private void showError(String message){
-        Toast.makeText(TalkActivity.this, message, Toast.LENGTH_SHORT).show();
-    }
-}

src/Elderlycaresystem2/app/src/main/java/com/example/elderlycaresystem2/UserActivity.java

@@ -1,79 +0,0 @@
-package com.example.elderlycaresystem2;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-import android.widget.LinearLayout;
-import android.widget.Toast;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class UserActivity extends AppCompatActivity implements View.OnClickListener {
-    private LinearLayout btn_talk;
-    private LinearLayout btn_main;
-    private LinearLayout btn_user;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_user);
-
-
-        Button modifyContactButton = findViewById(R.id.modify_contact_button);
-        Button logoutButton = findViewById(R.id.logout_button);
-        Button accButton = findViewById(R.id.modify_acc_button);
-
-        btn_talk  = findViewById(R.id.btn_talk);
-        btn_main  = findViewById(R.id.btn_main);
-        btn_user  = findViewById(R.id.btn_user);
-        // 给开关按钮设置选择监听器，一旦用户点击它，就触发监听器的onCheckedChanged方法
-        //底部导航栏
-        btn_talk.setOnClickListener(this);
-        btn_main.setOnClickListener(this);
-        btn_user.setOnClickListener(this);
-        modifyContactButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                // 处理修改紧急联系人逻辑
-                Toast.makeText(UserActivity.this, "修改紧急联系人", Toast.LENGTH_SHORT).show();
-                Intent intent = new Intent(UserActivity.this, ContactActivity.class);
-                startActivity(intent);
-            }
-        });
-        accButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                // 处理修改摔倒阈值逻辑
-                Toast.makeText(UserActivity.this, "修改摔倒阈值", Toast.LENGTH_SHORT).show();
-                Intent intent = new Intent(UserActivity.this, ChangeActivity.class);
-                startActivity(intent);
-            }
-        });
-
-        logoutButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                // 处理退出软件逻辑
-                Toast.makeText(UserActivity.this, "退出软件", Toast.LENGTH_SHORT).show();
-                finish();
-            }
-        });
-    }
-    @Override
-    public void onClick(View v) {
-        if (v.getId() == R.id.btn_talk) {
-            Intent intent = new Intent(UserActivity.this, TalkActivity.class);
-            startActivity(intent);
-            finish();
-        } else if (v.getId() == R.id.btn_main) {
-            Intent intent = new Intent(UserActivity.this,DetectionActivity.class);
-            startActivity(intent);
-            finish();
-        }else {
-            return;
-        }
-
-    }
-
-}

src/Elderlycaresystem2/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -1,30 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>

src/Elderlycaresystem2/app/src/main/res/drawable/back1.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android" >
-    <!-- 实心 -->
-    <solid android:color="#E8E8E8" />
-    <!-- 边框 -->
-    <!-- 圆角 -->
-    <corners android:radius="0dp" />
-
-    <!-- 设置各边倒角大小 -->
-    <corners
-        android:bottomLeftRadius="0dp"
-        android:bottomRightRadius="0dp"
-        android:topLeftRadius="0dp"
-        android:topRightRadius="0dp" />
-    <!-- This is the line -->
-
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/bg_message_received.xml

@@ -1,5 +0,0 @@
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#E5E5EA"/>
-    <corners android:radius="16dp"/>
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/bg_message_sent.xml

@@ -1,6 +0,0 @@
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#0084FF"/>
-    <corners android:radius="16dp"/>
-
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/bg_system_message.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#F0F0F0"/> <!-- 灰色背景 -->
-    <corners android:radius="8dp"/> <!-- 圆角半径 -->
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/edit_text_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#FFFFFF"/> <!-- 背景颜色 -->
-    <stroke android:width="1dp" android:color="#CCCCCC"/> <!-- 边框 -->
-    <corners android:radius="8dp"/> <!-- 圆角半径 -->
-    <padding
-        android:left="10dp"
-        android:top="10dp"
-        android:right="10dp"
-        android:bottom="10dp" />
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/editext_selector.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_focused="true" android:drawable="@drawable/shape_edit_focus"/>
-    <item android:drawable="@drawable/shape_edit_normal"/>
-</selector>

src/Elderlycaresystem2/app/src/main/res/drawable/ic_launcher_background.xml

@@ -1,170 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path
-        android:fillColor="#3DDC84"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-</vector>

src/Elderlycaresystem2/app/src/main/res/drawable/shape_edit_focus.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android" >
-
-    <solid android:color="#ffffff" />
-
-    <stroke
-        android:width="3dp"
-        android:color="#ff0000ff" />
-
-    <corners
-        android:bottomLeftRadius="5dp"
-        android:bottomRightRadius="5dp"
-        android:topLeftRadius="5dp"
-        android:topRightRadius="5dp" />
-
-    <padding
-        android:bottom="2dp"
-        android:left="2dp"
-        android:right="2dp"
-        android:top="2dp" />
-
-</shape>

src/Elderlycaresystem2/app/src/main/res/drawable/shape_edit_normal.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android" >
-
-    <solid android:color="#ffffff" />
-
-    <stroke
-        android:width="3dp"
-        android:color="#ffaaaaaa" />
-
-    <corners
-        android:bottomLeftRadius="5dp"
-        android:bottomRightRadius="5dp"
-        android:topLeftRadius="5dp"
-        android:topRightRadius="5dp" />
-
-    <padding
-        android:bottom="2dp"
-        android:left="2dp"
-        android:right="2dp"
-        android:top="2dp" />
-
-</shape>

src/Elderlycaresystem2/app/src/main/res/layout/activity_change.xml

@@ -1,90 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:padding="0dp"
-    android:textColor="@color/black"
-    android:background="@color/white">
-
-    <!-- 顶部的标题栏 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="65dp"
-        android:background="@color/white"
-        android:orientation="vertical">
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="60dp"
-            android:background="@drawable/back1"
-            android:orientation="horizontal">
-            <View
-                android:id="@+id/btn_back"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
-                android:layout_gravity="center_vertical"
-                android:background="@drawable/back"/>
-            <TextView
-                android:id="@+id/title"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity=""
-                android:padding="16dp"
-                android:background="@drawable/back1"
-                android:text="摔倒阈值管理"
-                android:textColor="@color/black"
-                android:textSize="20sp"
-                android:textStyle="bold" />
-        </LinearLayout>
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="2dp"
-            android:background="@color/black"/>
-    </LinearLayout>
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="80dp" />
-
-    <EditText
-        android:id="@+id/et_acc"
-        style="@style/text_normal"
-        android:hint="请输入摔倒加速度阈值"
-        android:textColor="@color/black"
-        android:inputType="text"
-        android:textSize="20sp"
-        android:layout_height="60dp"
-        android:layout_gravity="center_horizontal"
-        android:layout_width="400dp"
-        android:background="@drawable/editext_selector" />
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="30dp" />
-
-
-    <Button
-        android:id="@+id/btn_queding"
-        android:layout_width="400dp"
-        android:layout_height="70dp"
-        android:layout_marginTop="90dp"
-        android:text="确认修改"
-        android:textSize="20sp"
-        android:layout_gravity="center_horizontal"
-        android:backgroundTint="@color/purple_500"
-        android:textColor="@android:color/white"
-        />
-
-    <!-- 中间的功能按钮 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:gravity="center"
-        android:orientation="vertical">
-
-    </LinearLayout>
-
-    <!-- 底部导航栏 -->
-
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/activity_contact.xml

@@ -1,101 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:padding="0dp"
-    android:textColor="@color/black"
-    android:background="@color/white">
-
-    <!-- 顶部的标题栏 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="65dp"
-        android:background="@color/white"
-        android:orientation="vertical">
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="60dp"
-            android:background="@drawable/back1"
-            android:orientation="horizontal">
-            <View
-                android:id="@+id/btn_back"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
-                android:layout_gravity="center_vertical"
-                android:background="@drawable/back"/>
-            <TextView
-                android:id="@+id/title"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity=""
-                android:padding="16dp"
-                android:background="@drawable/back1"
-                android:text="紧急联系人管理"
-                android:textColor="@color/black"
-                android:textSize="20sp"
-                android:textStyle="bold" />
-        </LinearLayout>
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="2dp"
-            android:background="@color/black"/>
-    </LinearLayout>
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="80dp" />
-
-    <EditText
-        android:id="@+id/et_name"
-        style="@style/text_normal"
-        android:hint="请输入联系人名字"
-        android:textColor="@color/black"
-        android:inputType="text"
-        android:textSize="20sp"
-        android:layout_height="60dp"
-        android:layout_gravity="center_horizontal"
-        android:layout_width="400dp"
-        android:background="@drawable/editext_selector" />
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="30dp" />
-
-    <EditText
-        android:id="@+id/et_phone"
-        style="@style/text_normal"
-        android:hint="请输入电话号码"
-        android:textColor="@color/black"
-        android:inputType="number"
-        android:textSize="20sp"
-        android:layout_height="60dp"
-        android:layout_gravity="center_horizontal"
-        android:layout_width="400dp"
-        android:background="@drawable/editext_selector" />
-
-    <Button
-        android:id="@+id/btn_queding"
-        android:layout_width="400dp"
-        android:layout_height="70dp"
-        android:layout_marginTop="90dp"
-        android:text="确认修改"
-        android:textSize="20sp"
-        android:layout_gravity="center_horizontal"
-        android:backgroundTint="@color/purple_500"
-        android:textColor="@android:color/white"
-        />
-
-    <!-- 中间的功能按钮 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:gravity="center"
-        android:orientation="vertical">
-
-    </LinearLayout>
-
-    <!-- 底部导航栏 -->
-
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/activity_detection.xml

@@ -1,169 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:textColor="@color/black"
-    android:background="@color/white">
-    <!-- 顶部的标题栏 -->
-    <!-- 顶部的标题栏 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="65dp"
-        android:background="@color/white"
-        android:orientation="vertical">
-        <TextView
-            android:id="@+id/title"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:gravity="center_horizontal"
-            android:padding="16dp"
-            android:background="@drawable/back1"
-            android:text="摔倒检测"
-            android:textColor="@color/black"
-            android:textSize="21sp"
-            android:textStyle="bold" />
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="2dp"
-            android:background="@color/black"/>
-    </LinearLayout>
-
-
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginTop="30dp"
-        android:text="跌倒检测控制"
-        android:textColor="@color/primary_text"
-        android:textSize="25sp" />
-    <ImageView
-        android:layout_width="210dp"
-        android:layout_height="210dp"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginTop="30dp"
-        android:layout_marginBottom="50dp"
-        android:src="@drawable/home_main" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="79dp"
-        android:background="#BFB06C"
-        android:orientation="horizontal"
-        android:gravity="center_vertical">
-
-        <!-- 状态显示 -->
-        <TextView
-            android:id="@+id/statusTextView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="等待跌倒检测..."
-            android:textSize="18sp" />
-
-        <!-- 控制跌倒检测的 Switch 按钮 -->
-        <Switch
-            android:id="@+id/switch_toggle_detection"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="开启跌倒检测"
-            android:textSize="20dp" />
-    </LinearLayout>
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:gravity="center"
-        android:orientation="vertical">
-
-    </LinearLayout>
-
-    <!-- 底部导航栏 -->
-
-    <LinearLayout
-
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="#E8E8E8"
-        android:orientation="horizontal"
-        android:weightSum="3"
-        android:layout_alignParentBottom="true">
-
-        <LinearLayout
-            android:id="@+id/btn_talk"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/talk2"/>
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="聊天"
-                android:textColor="@color/black"
-                android:textSize="18sp" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_main"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/main2"
-                app:tint="@android:color/holo_red_light"/>
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="主页"
-                android:textColor="@android:color/holo_red_light"
-                android:textSize="18sp" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_user"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/user2"
-                />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="我的"
-                android:textColor="@color/black"
-                android:textSize="18sp" />
-        </LinearLayout>
-    </LinearLayout>
-
-
-
-
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/activity_main.xml

@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainActivity">
-
-    <com.google.android.material.appbar.AppBarLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:theme="@style/Theme.Elderlycaresystem2.AppBarOverlay">
-
-        <androidx.appcompat.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:popupTheme="@style/Theme.Elderlycaresystem2.PopupOverlay" />
-
-    </com.google.android.material.appbar.AppBarLayout>
-
-    <include layout="@layout/content_main" />
-
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/fab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_marginEnd="@dimen/fab_margin"
-        android:layout_marginBottom="16dp"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>

src/Elderlycaresystem2/app/src/main/res/layout/activity_talk.xml

@@ -1,157 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:textColor="@color/black"
-    android:background="@color/white">
-    <!-- 顶部的标题栏 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="65dp"
-        android:background="@color/white"
-        android:orientation="vertical">
-        <TextView
-            android:id="@+id/title"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:gravity="center_horizontal"
-            android:padding="16dp"
-            android:background="@drawable/back1"
-            android:text="聊天"
-            android:textColor="@color/black"
-            android:textSize="21sp"
-            android:textStyle="bold" />
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="2dp"
-            android:background="@color/black"/>
-    </LinearLayout>
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="2"
-        android:gravity="center"
-        android:orientation="vertical">
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/recyclerViewMessages"
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
-            android:padding="8dp" />
-
-        <LinearLayout
-            android:orientation="horizontal"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:padding="8dp">
-
-            <EditText
-                android:id="@+id/editTextMessage"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:hint="输入消息"
-                android:textColor="@color/black"
-                android:padding="8dp"
-                android:background="@drawable/edit_text_background"/>
-
-            <Button
-                android:id="@+id/buttonSend"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="发送"
-                android:layout_marginStart="8dp"/>
-        </LinearLayout>
-    </LinearLayout>
-
-
-    <!-- 底部导航栏 -->
-
-    <LinearLayout
-
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="#E8E8E8"
-        android:orientation="horizontal"
-        android:weightSum="3"
-        android:layout_alignParentBottom="true">
-
-        <LinearLayout
-            android:id="@+id/btn_talk"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/talk2"
-                app:tint="@android:color/holo_red_light"/>
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="聊天"
-                android:textColor="@android:color/holo_red_light"
-                android:textSize="18sp" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_main"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/main2"
-                />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="主页"
-                android:textColor="@color/black"
-                android:textSize="18sp"/>
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_user"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/user2"
-                />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="我的"
-                android:textColor="@color/black"
-                android:textSize="18sp" />
-        </LinearLayout>
-    </LinearLayout>
-
-
-
-
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/activity_user.xml

@@ -1,154 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:textColor="@color/black"
-    android:background="@color/white">
-
-    <!-- 顶部的标题栏 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="65dp"
-        android:background="@color/white"
-        android:orientation="vertical">
-        <TextView
-            android:id="@+id/title"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:gravity="center_horizontal"
-            android:padding="16dp"
-            android:background="@drawable/back1"
-            android:text="我的"
-            android:textColor="@color/black"
-            android:textSize="21sp"
-            android:textStyle="bold" />
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="2dp"
-            android:background="@color/black"/>
-    </LinearLayout>
-
-    <!-- 中间的功能按钮 -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:gravity="center"
-        android:background="@color/white"
-        android:orientation="vertical">
-
-        <!-- 修改紧急联系人按钮 -->
-
-        <!-- 添加设备按钮 -->
-        <Button
-            android:id="@+id/modify_contact_button"
-            android:layout_width="350dp"
-            android:layout_height="80dp"
-            android:backgroundTint="@color/purple_500"
-            android:text="修改紧急联系人"
-            android:textSize="30dp"
-            android:textColor="@android:color/white" />
-        <Button
-            android:id="@+id/modify_acc_button"
-            android:layout_width="350dp"
-            android:layout_height="80dp"
-            android:layout_marginTop="50dp"
-            android:backgroundTint="@color/purple_500"
-            android:text="修改摔倒阈值"
-            android:textSize="30dp"
-            android:textColor="@android:color/white" />
-
-        <!-- 退出软件按钮 -->
-        <Button
-            android:id="@+id/logout_button"
-            android:layout_width="350dp"
-            android:layout_height="80dp"
-            android:layout_marginTop="200dp"
-            android:text="退出软件"
-            android:textSize="30dp"
-            android:backgroundTint="@color/purple_500"
-            android:textColor="@android:color/white" />
-    </LinearLayout>
-
-    <!-- 底部导航栏 -->
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="#E8E8E8"
-        android:orientation="horizontal"
-        android:weightSum="3"
-        android:layout_alignParentBottom="true">
-
-        <LinearLayout
-            android:id="@+id/btn_talk"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/talk2"/>
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="聊天"
-                android:textColor="@color/black"
-                android:textSize="18sp" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_main"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/main2"
-                />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="主页"
-                android:textColor="@color/black"
-                android:textSize="18sp" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/btn_user"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:orientation="vertical"
-            android:padding="8dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/user2"
-                app:tint="@android:color/holo_red_light"
-                />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="我的"
-                android:textColor="@android:color/holo_red_light"
-                android:textSize="18sp" />
-        </LinearLayout>
-    </LinearLayout>
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/content_main.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-    <fragment
-        android:id="@+id/nav_host_fragment_content_main"
-        android:name="androidx.navigation.fragment.NavHostFragment"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:defaultNavHost="true"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:navGraph="@navigation/nav_graph" />
-</androidx.constraintlayout.widget.ConstraintLayout>

src/Elderlycaresystem2/app/src/main/res/layout/fragment_first.xml

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".FirstFragment">
-
-    <TextView
-        android:id="@+id/textview_first"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/hello_first_fragment"
-        app:layout_constraintBottom_toTopOf="@id/button_first"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/button_first"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/next"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/textview_first" />
-</androidx.constraintlayout.widget.ConstraintLayout>

src/Elderlycaresystem2/app/src/main/res/layout/fragment_second.xml

@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".SecondFragment">
-
-    <TextView
-        android:id="@+id/textview_second"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        app:layout_constraintBottom_toTopOf="@id/button_second"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/button_second"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/previous"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/textview_second" />
-</androidx.constraintlayout.widget.ConstraintLayout>

src/Elderlycaresystem2/app/src/main/res/layout/item_message_received.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="horizontal"
-    android:gravity="start"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:padding="8dp">
-
-    <TextView
-        android:id="@+id/textViewMessage"
-        android:background="@drawable/bg_message_received"
-        android:textColor="#000000"
-        android:padding="10dp"
-        android:textSize="25dp"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"/>
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/item_message_sent.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="horizontal"
-    android:gravity="end"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:padding="8dp">
-
-    <TextView
-        android:id="@+id/textViewMessage"
-        android:background="@drawable/bg_message_sent"
-        android:textColor="#FFFFFF"
-        android:padding="10dp"
-        android:textSize="25dp"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"/>
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/layout/item_message_system.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="horizontal"
-    android:gravity="center"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:padding="8dp">
-
-    <TextView
-        android:id="@+id/textViewMessage"
-        android:background="@drawable/bg_system_message"
-        android:textColor="#888888"
-        android:padding="10dp"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"/>
-</LinearLayout>

src/Elderlycaresystem2/app/src/main/res/menu/menu_main.xml

@@ -1,10 +0,0 @@
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:context="com.example.elderlycaresystem2.MainActivity">
-    <item
-        android:id="@+id/action_settings"
-        android:orderInCategory="100"
-        android:title="@string/action_settings"
-        app:showAsAction="never" />
-</menu>

src/Elderlycaresystem2/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>

src/Elderlycaresystem2/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>

src/Elderlycaresystem2/app/src/main/res/mipmap-anydpi-v33/ic_launcher.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>