diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..603b140
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+*.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
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..681f41a
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,116 @@
+
+
+
+
+
+
+
+
+
+
+
+
+ xmlns:android
+
+ ^$
+
+
+
+
+
+
+
+
+ xmlns:.*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*:id
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ .*:name
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ name
+
+ ^$
+
+
+
+
+
+
+
+
+ style
+
+ ^$
+
+
+
+
+
+
+
+
+ .*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*
+
+ http://schemas.android.com/apk/res/android
+
+
+ ANDROID_ATTRIBUTE_ORDER
+
+
+
+
+
+
+ .*
+
+ .*
+
+
+ BY_NAME
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..fb7f4a8
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/dbnavigator.xml b/.idea/dbnavigator.xml
new file mode 100644
index 0000000..70f212e
--- /dev/null
+++ b/.idea/dbnavigator.xml
@@ -0,0 +1,414 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/dictionaries/snow.xml b/.idea/dictionaries/snow.xml
new file mode 100644
index 0000000..ed85c9e
--- /dev/null
+++ b/.idea/dictionaries/snow.xml
@@ -0,0 +1,10 @@
+
+
+
+ fujian
+ gson
+ guangxi
+ shuyue
+
+
+
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..6e5389e
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..41a25ff
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,35 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..b2763af
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..2cd4448
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,57 @@
+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 31
+ buildToolsVersion "30.0.0"
+
+ defaultConfig {
+ applicationId "com.shuyue.snack"
+ minSdkVersion 21
+ targetSdkVersion 31
+ versionCode 2
+ versionName '1.1'
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+
+ // ButterKnife requires Java 8.
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: "libs", include: ["*.jar"])
+ implementation 'androidx.appcompat:appcompat:1.1.0'
+ implementation 'com.google.android.material:material:1.1.0'
+ implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+ implementation 'androidx.navigation:navigation-fragment:2.3.0'
+ implementation 'androidx.navigation:navigation-ui:2.3.0'
+ implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+ implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+ implementation 'androidx.mediarouter:mediarouter:1.1.0'
+ testImplementation 'junit:junit:4.13'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+ // 引入ButterKnife依赖
+ implementation 'com.jakewharton:butterknife:10.2.1'
+ annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.1'
+
+ // 引入BaseRecyclerViewAdapterHelper库
+ implementation 'com.github.CymChad:BaseRecyclerViewAdapterHelper:3.0.4'
+
+ // 引入CircleImageView照片库
+ implementation 'de.hdodenhof:circleimageview:3.1.0'
+
+ // 引入Gson库
+ implementation 'com.google.code.gson:gson:2.8.6'
+}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# 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
\ No newline at end of file
diff --git a/app/src/androidTest/java/com/android/jingdong/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/android/jingdong/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..ac94db9
--- /dev/null
+++ b/app/src/androidTest/java/com/android/jingdong/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.android.jingdong;
+
+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 Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+ assertEquals("com.shuyue.snack", appContext.getPackageName());
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..78f8479
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,49 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/MainActivity.java b/app/src/main/java/com/android/jingdong/MainActivity.java
new file mode 100644
index 0000000..b8f0696
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/MainActivity.java
@@ -0,0 +1,49 @@
+package com.android.jingdong;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+import com.android.jingdong.dao.UserDao;
+
+public class MainActivity extends AppCompatActivity {
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+ BottomNavigationView navView = findViewById(R.id.nav_view);
+ // 将每个菜单ID作为一组ID传递 5.27
+ // 因为每个菜单都应该被视为顶级路径
+ AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+ R.id.navigation_home, R.id.navigation_snack, R.id.navigation_place, R.id.navigation_my)
+ .build();
+ NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
+ NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+ NavigationUI.setupWithNavController(navView, navController);
+
+ // 检查登录状态
+ checkLogin();
+ }
+
+ /**
+ * 检查是否有登录信息
+ */
+ private void checkLogin() {
+ // 检查持久化的数据
+ if (UserDao.isLogin()) {
+ // 已登录
+ MyApplication.isLogin(true);
+ MyApplication.setUser(UserDao.getUser());
+ } else {
+ // 未登录
+ MyApplication.isLogin(false);
+ MyApplication.setUser(null);
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/MyApplication.java b/app/src/main/java/com/android/jingdong/MyApplication.java
new file mode 100644
index 0000000..34cdbf1
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/MyApplication.java
@@ -0,0 +1,73 @@
+package com.android.jingdong;
+
+import android.app.Application;
+
+import com.android.jingdong.model.JD;
+import com.android.jingdong.model.User;
+import com.android.jingdong.utils.Utils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MyApplication extends Application {
+
+ /**
+ * Application类上下文
+ */
+ private static MyApplication appContext;
+
+ /**
+ * 购物车的乐器
+ */
+ private static List cartJDS;
+
+ /**
+ * 登录用户
+ */
+ private static User user;
+
+ /**
+ * 登录状态
+ */
+ private static boolean isLogin;
+
+ public static MyApplication getInstance() {
+ return appContext;
+ }
+
+ public static List getCartTaobaos() {
+ return cartJDS;
+ }
+
+ public static User getUser() {
+ return user;
+ }
+
+ public static void setUser(User user) {
+ MyApplication.user = user;
+ }
+
+ /**
+ * 是否登录
+ *
+ * @return true: 已经登录, false: 未登录
+ */
+ public static boolean isLogin() {
+ return isLogin;
+ }
+
+ public static void isLogin(boolean isLogin) {
+ MyApplication.isLogin = isLogin;
+ }
+
+ @Override
+ public void onCreate() {
+ super.onCreate();
+ appContext = this;
+ // 初始化购物车集合
+ cartJDS = new ArrayList<>();
+
+ // 初始化工具类
+ Utils.init(this);
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/activity/DetailActivity.java b/app/src/main/java/com/android/jingdong/activity/DetailActivity.java
new file mode 100644
index 0000000..c2c2a0e
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/activity/DetailActivity.java
@@ -0,0 +1,117 @@
+package com.android.jingdong.activity;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Color;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.model.JD;
+import com.android.jingdong.utils.Tips;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class DetailActivity extends AppCompatActivity {
+
+ @BindView(R.id.detailImage)
+ ImageView image;
+
+ @BindView(R.id.detailName)
+ TextView name;
+
+ @BindView(R.id.detailPrice)
+ TextView price;
+
+ @BindView(R.id.detailContent)
+ TextView detail;
+
+ @BindView(R.id.detailAddCartBtn)
+ Button addCart;
+
+ @BindView(R.id.detailFavorite)
+ ImageView favorite;
+
+ public static void actionStart(Context context, JD JD) {
+ Intent intent = new Intent(context, DetailActivity.class);
+ intent.putExtra("JD", JD);
+ context.startActivity(intent);
+ }
+
+ @SuppressLint("SetTextI18n")
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_detail);
+
+ fullScreen(this);
+
+ ButterKnife.bind(this);
+
+ JD JD = (JD) getIntent().getSerializableExtra("JD");
+
+ if (JD != null) {
+ image.setImageResource(JD.getImage());
+ name.setText(JD.getName());
+ price.setText("￥" + JD.getPrice());
+ detail.setText(JD.getDetail());
+
+ addCart.setOnClickListener(v -> {
+ if (!MyApplication.getCartTaobaos().contains(JD)) {
+ // 添加到购物车
+ JD.setCount(1);
+ MyApplication.getCartTaobaos().add(JD);
+ Tips.show("已添加" + JD.getName() + "到购物车");
+
+ // 关闭Activity
+ finish();
+ } else {
+ Tips.show("已在购物车中，不能重复添加");
+ }
+ });
+ }
+ }
+
+ @OnClick(R.id.detailBack)
+ void clickBack() {
+ finish();
+ }
+
+ @OnClick(R.id.detailFavorite)
+ void clickFavorite() {
+ favorite.setImageResource(R.drawable.ic_baseline_favorite_24dp);
+ }
+
+ /**
+ * 通过设置全屏，设置状态栏透明
+ */
+ private void fullScreen(Activity activity) {
+ Window window = activity.getWindow();
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+ View decorView = ((Window) window).getDecorView();
+ int option = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+ | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
+ decorView.setSystemUiVisibility(option);
+ window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+ window.setStatusBarColor(Color.TRANSPARENT);
+ } else {
+ WindowManager.LayoutParams attributes = window.getAttributes();
+ int flagTranslucentStatus = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
+ attributes.flags |= flagTranslucentStatus;
+ window.setAttributes(attributes);
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/activity/LoginActivity.java b/app/src/main/java/com/android/jingdong/activity/LoginActivity.java
new file mode 100644
index 0000000..5bff069
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/activity/LoginActivity.java
@@ -0,0 +1,101 @@
+package com.android.jingdong.activity;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.EditText;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.dao.UserDao;
+import com.android.jingdong.data.DataServer;
+import com.android.jingdong.model.User;
+import com.android.jingdong.utils.Tips;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class LoginActivity extends AppCompatActivity {
+
+ @BindView(R.id.loginUsernameEdit)
+ EditText usernameEdit;
+
+ @BindView(R.id.loginPasswordEdit)
+ EditText passwordEdit;
+
+ public static void actionStart(Context context) {
+ Intent intent = new Intent(context, LoginActivity.class);
+ context.startActivity(intent);
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_login);
+
+ setTitle("登录");
+
+ ButterKnife.bind(this);
+
+ // 恢复账号
+ String username = UserDao.getUsername();
+ usernameEdit.setText(username);
+ }
+
+ @Override
+ protected void onStop() {
+ super.onStop();
+ finish();
+ }
+
+ /**
+ * 登录按钮点击事件
+ */
+ @OnClick(R.id.loginBtn)
+ void login() {
+ String username = usernameEdit.getText().toString();
+ String password = passwordEdit.getText().toString();
+ User user = new User(username, password);
+
+ User loginUser = checkUserFromAccountList(user);
+ if (loginUser != null) {
+ // 登录成功
+ Tips.show("登录成功");
+
+ MyApplication.isLogin(true);
+ MyApplication.setUser(loginUser);
+
+ // 持久化已登录用户数据
+ UserDao.saveUser(loginUser);
+ UserDao.isLogin(true);
+
+ // 持久化账号，以便退出登录后不用再输入账号
+ UserDao.saveUsername(username);
+
+ // 关闭Activity
+ finish();
+ } else {
+ // 登录失败
+ Tips.show("登录失败");
+ passwordEdit.setText("");
+ }
+ }
+
+ /**
+ * 登录
+ *
+ * @return 登录成功: 查询到的用户对象, 登录失败: null
+ */
+ public User checkUserFromAccountList(User u) {
+ for (User tmp : DataServer.getAccountList()) {
+ if (tmp.equals(u)) {
+ return tmp;
+ }
+ }
+
+ return null;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/activity/OrderActivity.java b/app/src/main/java/com/android/jingdong/activity/OrderActivity.java
new file mode 100644
index 0000000..9cedfd9
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/activity/OrderActivity.java
@@ -0,0 +1,65 @@
+package com.android.jingdong.activity;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.adaptor.OrderAdapter;
+import com.android.jingdong.dao.OrderDao;
+import com.android.jingdong.model.Order;
+
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+public class OrderActivity extends AppCompatActivity {
+
+ @BindView(R.id.orderRecyclerView)
+ RecyclerView orderRecyclerView;
+
+ public static void actionStart(Context context) {
+ Intent intent = new Intent(context, OrderActivity.class);
+ context.startActivity(intent);
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_order);
+
+ setTitle("订单");
+
+ ButterKnife.bind(this);
+
+ orderRecyclerView.setLayoutManager(new LinearLayoutManager(OrderActivity.this));
+
+ initAdapter();
+ }
+
+ /**
+ * 初始化订单页面
+ */
+ private void initAdapter() {
+ // 获取数据库数据
+ List orders = OrderDao.findAllByUsername(MyApplication.getUser().getUsername());
+
+ OrderAdapter adapter = new OrderAdapter(orders);
+
+ // 设置空布局
+ adapter.setEmptyView(getEmptyView());
+
+ orderRecyclerView.setAdapter(adapter);
+ }
+
+ public View getEmptyView() {
+ return getLayoutInflater().inflate(R.layout.empty_order_view, orderRecyclerView, false);
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/activity/WelcomeActivity.java b/app/src/main/java/com/android/jingdong/activity/WelcomeActivity.java
new file mode 100644
index 0000000..97d4419
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/activity/WelcomeActivity.java
@@ -0,0 +1,35 @@
+package com.android.jingdong.activity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.android.jingdong.MainActivity;
+import com.android.jingdong.R;
+
+public class WelcomeActivity extends AppCompatActivity {
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_welcome);
+
+ View decorView = getWindow().getDecorView();
+ // Hide the status bar.
+ int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
+ decorView.setSystemUiVisibility(uiOptions);
+
+ new Handler().postDelayed(new Runnable() {
+ @Override
+ public void run() {
+ Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
+ startActivity(intent);
+
+ finish();
+ }
+ }, 800);
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/adaptor/HomeAdapter.java b/app/src/main/java/com/android/jingdong/adaptor/HomeAdapter.java
new file mode 100644
index 0000000..abffaf1
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/adaptor/HomeAdapter.java
@@ -0,0 +1,22 @@
+package com.android.jingdong.adaptor;
+
+import com.android.jingdong.model.JD;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.viewholder.BaseViewHolder;
+import com.android.jingdong.R;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class HomeAdapter extends BaseQuickAdapter {
+
+ public HomeAdapter(List JDS) {
+ super(R.layout.item_home_snack, JDS);
+ }
+
+ @Override
+ protected void convert(@NotNull BaseViewHolder baseViewHolder, JD JD) {
+ baseViewHolder.setImageResource(R.id.homeSnackImage, JD.getImage());
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/adaptor/OrderAdapter.java b/app/src/main/java/com/android/jingdong/adaptor/OrderAdapter.java
new file mode 100644
index 0000000..85b56e9
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/adaptor/OrderAdapter.java
@@ -0,0 +1,28 @@
+package com.android.jingdong.adaptor;
+
+import android.annotation.SuppressLint;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.viewholder.BaseViewHolder;
+import com.android.jingdong.R;
+import com.android.jingdong.model.Order;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class OrderAdapter extends BaseQuickAdapter {
+
+ public OrderAdapter(List orders) {
+ super(R.layout.item_order, orders);
+ }
+
+ @SuppressLint("SimpleDateFormat")
+ @Override
+ protected void convert(@NotNull BaseViewHolder baseViewHolder, Order order) {
+ baseViewHolder.setText(R.id.orderName, order.getName());
+ baseViewHolder.setImageResource(R.id.orderImage, order.getImage());
+ baseViewHolder.setText(R.id.orderTime, "下单时间: " + order.getTime());
+ baseViewHolder.setText(R.id.orderMoney, "总价: ￥" + order.getMoney());
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/adaptor/PlaceOrderAdapter.java b/app/src/main/java/com/android/jingdong/adaptor/PlaceOrderAdapter.java
new file mode 100644
index 0000000..2fd875b
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/adaptor/PlaceOrderAdapter.java
@@ -0,0 +1,28 @@
+package com.android.jingdong.adaptor;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.viewholder.BaseViewHolder;
+import com.android.jingdong.R;
+import com.android.jingdong.model.JD;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+/**
+ * 下单页面购物车列表适配器
+ */
+public class PlaceOrderAdapter extends BaseQuickAdapter {
+
+ public PlaceOrderAdapter(List JDS) {
+ super(R.layout.item_place_order, JDS);
+ }
+
+ @Override
+ protected void convert(@NotNull BaseViewHolder baseViewHolder, JD JD) {
+ baseViewHolder.setImageResource(R.id.placeOrderImage, JD.getImage())
+ .setText(R.id.placeOrderName, JD.getName())
+ .setText(R.id.placeOrderPrice, "￥" + JD.getPrice())
+ .setText(R.id.orderCountBtn, String.valueOf(JD.getCount()));
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/adaptor/TaobaoLeftAdapter.java b/app/src/main/java/com/android/jingdong/adaptor/TaobaoLeftAdapter.java
new file mode 100644
index 0000000..f44e0ae
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/adaptor/TaobaoLeftAdapter.java
@@ -0,0 +1,29 @@
+package com.android.jingdong.adaptor;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.viewholder.BaseViewHolder;
+import com.android.jingdong.R;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class TaobaoLeftAdapter extends BaseQuickAdapter {
+
+ public TaobaoLeftAdapter(List types) {
+ super(R.layout.item_taobao_left, types);
+ }
+
+ /**
+ * 设置item数据
+ */
+ @Override
+ protected void convert(@NotNull BaseViewHolder baseViewHolder, String s) {
+ // 第一个item默认选中状态
+// if (baseViewHolder.getLayoutPosition() == 0) {
+// baseViewHolder.setBackgroundResource(R.id.snackLeftType, R.color.colorBgWhite);
+// }
+ baseViewHolder.setText(R.id.snackLeftType, s);
+ }
+
+}
diff --git a/app/src/main/java/com/android/jingdong/adaptor/TaobaoRightAdapter.java b/app/src/main/java/com/android/jingdong/adaptor/TaobaoRightAdapter.java
new file mode 100644
index 0000000..5fec983
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/adaptor/TaobaoRightAdapter.java
@@ -0,0 +1,24 @@
+package com.android.jingdong.adaptor;
+
+import com.android.jingdong.model.JD;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.viewholder.BaseViewHolder;
+import com.android.jingdong.R;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class TaobaoRightAdapter extends BaseQuickAdapter {
+
+ public TaobaoRightAdapter(List JDS) {
+ super(R.layout.item_taobao_right, JDS);
+ }
+
+ @Override
+ protected void convert(@NotNull BaseViewHolder baseViewHolder, JD JD) {
+ baseViewHolder.setImageResource(R.id.snackRightImage, JD.getImage())
+ .setText(R.id.snackRightName, JD.getName())
+ .setText(R.id.snackRightPrice, "￥" + JD.getPrice());
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/animator/MyAnimation.java b/app/src/main/java/com/android/jingdong/animator/MyAnimation.java
new file mode 100644
index 0000000..ddaf1c2
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/animator/MyAnimation.java
@@ -0,0 +1,29 @@
+package com.android.jingdong.animator;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+import android.view.animation.DecelerateInterpolator;
+
+import com.chad.library.adapter.base.animation.BaseAnimation;
+
+import org.jetbrains.annotations.NotNull;
+
+public class MyAnimation implements BaseAnimation {
+ @NotNull
+ @Override
+ public Animator[] animators(@NotNull View view) {
+ Animator scaleY = ObjectAnimator.ofFloat(view, "scaleY", 1.3f, 1);
+ Animator scaleX = ObjectAnimator.ofFloat(view, "scaleX", 1.3f, 1);
+ Animator alpha = ObjectAnimator.ofFloat(view, "alpha", 0, 1f);
+
+ scaleY.setDuration(350);
+ scaleX.setDuration(350);
+ alpha.setDuration(350);
+
+ scaleY.setInterpolator(new DecelerateInterpolator());
+ scaleX.setInterpolator(new DecelerateInterpolator());
+
+ return new Animator[]{scaleY, scaleX, alpha};
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/animator/MyAnimation2.java b/app/src/main/java/com/android/jingdong/animator/MyAnimation2.java
new file mode 100644
index 0000000..cd017a4
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/animator/MyAnimation2.java
@@ -0,0 +1,37 @@
+package com.android.jingdong.animator;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+import android.view.animation.Interpolator;
+
+import com.chad.library.adapter.base.animation.BaseAnimation;
+
+import org.jetbrains.annotations.NotNull;
+
+import static java.lang.Math.PI;
+import static java.lang.Math.pow;
+import static java.lang.Math.sin;
+
+public class MyAnimation2 implements BaseAnimation {
+
+ static class MyInterpolator2 implements Interpolator {
+ @Override
+ public float getInterpolation(float input) {
+ float factor = 0.7f;
+ return (float) (pow(2.0, -10.0 * input) * sin((input - factor / 4) * (2 * PI) / factor) + 1);
+ }
+ }
+
+ @NotNull
+ @Override
+ public Animator[] animators(@NotNull View view) {
+ Animator translationX =
+ ObjectAnimator.ofFloat(view, "translationX", -view.getRootView().getWidth(), 0f);
+
+ translationX.setDuration(800);
+ translationX.setInterpolator(new MyInterpolator2());
+
+ return new Animator[]{translationX};
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/animator/MyAnimation3.java b/app/src/main/java/com/android/jingdong/animator/MyAnimation3.java
new file mode 100644
index 0000000..7b40192
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/animator/MyAnimation3.java
@@ -0,0 +1,27 @@
+package com.android.jingdong.animator;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+import android.view.animation.DecelerateInterpolator;
+
+import com.chad.library.adapter.base.animation.BaseAnimation;
+
+import org.jetbrains.annotations.NotNull;
+
+public class MyAnimation3 implements BaseAnimation {
+
+ @NotNull
+ @Override
+ public Animator[] animators(@NotNull View view) {
+ Animator alpha = ObjectAnimator.ofFloat(view, "alpha", 0, 1f);
+ alpha.setDuration(450);
+
+ Animator translationY =
+ ObjectAnimator.ofFloat(view, "translationY", view.getRootView().getHeight(), 0f);
+ translationY.setDuration(450);
+ translationY.setInterpolator(new DecelerateInterpolator(1.2f));
+
+ return new Animator[]{alpha, translationY};
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/dao/DatabaseHelper.java b/app/src/main/java/com/android/jingdong/dao/DatabaseHelper.java
new file mode 100644
index 0000000..640d911
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/dao/DatabaseHelper.java
@@ -0,0 +1,33 @@
+package com.android.jingdong.dao;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import androidx.annotation.Nullable;
+
+public class DatabaseHelper extends SQLiteOpenHelper {
+
+ public DatabaseHelper(@Nullable Context context, int version) {
+ super(context, " ", null, version);
+ }
+
+ @Override
+ public void onCreate(SQLiteDatabase db) {
+ // 创建数据库
+ String createOrders = "create table orders (" +
+ "id integer primary key autoincrement," +
+ "name text," +
+ "image integer," +
+ "money real," +
+ "time text," +
+ "username text)";
+
+ db.execSQL(createOrders);
+ }
+
+ @Override
+ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/dao/OrderDao.java b/app/src/main/java/com/android/jingdong/dao/OrderDao.java
new file mode 100644
index 0000000..260c946
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/dao/OrderDao.java
@@ -0,0 +1,62 @@
+package com.android.jingdong.dao;
+
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+import com.android.jingdong.model.Order;
+import com.android.jingdong.utils.Utils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class OrderDao {
+
+ private static DatabaseHelper dbHelper = new DatabaseHelper(Utils.getContext(), 1);
+
+ static {
+ dbHelper.getWritableDatabase();
+ }
+
+ /**
+ * 保存订单数据
+ */
+ public static void saveOrder(List orders) {
+ SQLiteDatabase db = dbHelper.getWritableDatabase();
+ for (Order order : orders) {
+ ContentValues values = new ContentValues();
+ values.put("name", order.getName());
+ values.put("image", order.getImage());
+ values.put("money", order.getMoney());
+ values.put("time", order.getTime());
+ values.put("username", order.getUsername());
+
+ db.insert("orders", null, values);
+ }
+ }
+
+ /**
+ * 通过用户名查询订单数据
+ */
+ public static List findAllByUsername(String username) {
+ SQLiteDatabase db = dbHelper.getWritableDatabase();
+ List orders = new ArrayList<>();
+
+ // 查询指定用户名订单
+ Cursor cursor = db.query("orders", null, "username=?", new String[]{username}, null, null, "time desc");
+ if (cursor.moveToFirst()) {
+ do {
+ String name = cursor.getString(cursor.getColumnIndex("name"));
+ int image = cursor.getInt(cursor.getColumnIndex("image"));
+ double money = cursor.getDouble(cursor.getColumnIndex("money"));
+ String time = cursor.getString(cursor.getColumnIndex("time"));
+
+ Order order = new Order(name, image, money, time);
+ orders.add(order);
+ } while (cursor.moveToNext());
+ }
+ cursor.close();
+
+ return orders;
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/dao/UserDao.java b/app/src/main/java/com/android/jingdong/dao/UserDao.java
new file mode 100644
index 0000000..55ee638
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/dao/UserDao.java
@@ -0,0 +1,71 @@
+package com.android.jingdong.dao;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import com.google.gson.Gson;
+import com.android.jingdong.model.User;
+import com.android.jingdong.utils.Utils;
+
+public class UserDao {
+
+ // 实例化SharedPreferences对象
+ private static SharedPreferences data = Utils.getContext().getSharedPreferences("data", Context.MODE_PRIVATE);
+
+ // Gson对象
+ private static Gson gson = new Gson();
+
+ public static boolean isLogin() {
+ return data.getBoolean("isLogin", false);
+ }
+
+ public static void isLogin(boolean bool) {
+ SharedPreferences.Editor edit = data.edit();
+ edit.putBoolean("isLogin", bool);
+ edit.apply();
+ }
+
+ /**
+ * 获取已登录用户对象
+ */
+ public static User getUser() {
+ String userJson = data.getString("user", "");
+ return gson.fromJson(userJson, User.class);
+ }
+
+ public static void saveUser(User user) {
+ String userJson = gson.toJson(user);
+ SharedPreferences.Editor edit = data.edit();
+ edit.putString("user", userJson);
+ edit.apply();
+ }
+
+ /**
+ * 清除登录用户信息和登录状态
+ */
+ public static void removeUserAndLoginStatus() {
+ SharedPreferences.Editor edit = data.edit();
+ edit.remove("user");
+ edit.remove("isLogin");
+ edit.apply();
+ }
+
+ public static void removeAll() {
+ SharedPreferences.Editor edit = data.edit();
+ edit.clear();
+ edit.apply();
+ }
+
+ /**
+ * 保存账号
+ */
+ public static void saveUsername(String username) {
+ SharedPreferences.Editor editor = data.edit();
+ editor.putString("username", username);
+ editor.apply();
+ }
+
+ public static String getUsername() {
+ return data.getString("username", "");
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/data/DataServer.java b/app/src/main/java/com/android/jingdong/data/DataServer.java
new file mode 100644
index 0000000..3b4f77a
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/data/DataServer.java
@@ -0,0 +1,156 @@
+package com.android.jingdong.data;
+
+
+import android.annotation.SuppressLint;
+
+import com.android.jingdong.model.JD;
+import com.android.jingdong.model.Order;
+import com.android.jingdong.R;
+import com.android.jingdong.model.User;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+public class DataServer {
+
+ private static List snackOrderList;
+
+ private static List homeList;
+
+ private static List fujianList;
+
+ private static List guangxiList;
+
+ private static List guangzhouList;
+
+ private static List beijingList;
+
+ private static List chongqingList;
+
+ private static List accountList;
+
+ /**
+ * 首页数据
+ */
+ public static List getHomeList() {
+ if (homeList == null) {
+ homeList = new ArrayList() {{
+ add(new JD("苹果13", 5999, R.mipmap.sp1, "苹果13一般指iPhone 13。 iPhone 13是美国苹果公司于北京时间2021年9月15日凌晨1点在Apple Park发布的iPhone手机。"));
+ add(new JD("华为mate40", 5888, R.mipmap.sp2, "华为Mate40一般指HUAWEI Mate 40。 HUAWEI Mate 40是华为公司于2020年10月22日发布的手机，于2020年12月21日上市。"));
+ add(new JD("联想Y9000P", 8999, R.mipmap.sp3, "联想Y9000P采用了双面金属设计，搭载16英寸四边窄边框屏，2560*1600 分辨率，165Hz刷新率，500nit亮度，100%sRGB色域，HDR400认证，支持杜比视界。"));
+ add(new JD("暗影精灵8", 8699, R.mipmap.sp4, "暗影精灵8 Plus，搭载全新i7处理器，全系标配DDR5 4800MHz双通道内存，还有游戏级PCle 4.0 SSD加持，游戏载入少等待、尽情存储少焦虑。"));
+ add(new JD("海盗船K100", 1299, R.mipmap.sp5, "海盗船K100键盘采用的是悬浮式按键设计，搭配高品质精密二色注塑PBT透光键帽，1.5mm的厚度超耐用，防滑性能很好，使用手感非常赞。"));
+ add(new JD("罗技G502", 229, R.mipmap.sp6, "罗技G502游戏鼠标，在配重，平衡及追踪表面的适应性需要有更好的提升，尽可能满足每一位玩家的精确需求。"));
+
+ }};
+ }
+ return homeList;
+ }
+
+ /**
+ * 点菜页面分类左边列表数据
+ */
+ public static List getSnackOrderList() {
+ if (snackOrderList == null) {
+ snackOrderList = new ArrayList() {{
+ add("手机");
+ add("电脑");
+ add("电子配件");
+// add("鼠标");
+// add("耳机");
+ }};
+ }
+ return snackOrderList;
+ }
+
+ /**
+ * 手机
+ */
+ public static List getFujianList() {
+ if (fujianList == null) {
+ fujianList = new ArrayList() {{
+ add(new JD("苹果13", 5999, R.mipmap.sp1, "苹果13一般指iPhone 13。 iPhone 13是美国苹果公司于北京时间2021年9月15日凌晨1点在Apple Park发布的iPhone手机。"));
+ add(new JD("华为mate40", 5888, R.mipmap.sp2, "华为Mate40一般指HUAWEI Mate 40。 HUAWEI Mate 40是华为公司于2020年10月22日发布的手机，于2020年12月21日上市。"));
+
+ }};
+ }
+ return fujianList;
+ }
+
+ /**
+ * 电脑
+ */
+ public static List getGuangxiList() {
+ if (guangxiList == null) {
+ guangxiList = new ArrayList() {{
+ add(new JD("联想Y9000P", 8999, R.mipmap.sp3, "联想Y9000P采用了双面金属设计，搭载16英寸四边窄边框屏，2560*1600 分辨率，165Hz刷新率，500nit亮度，100%sRGB色域，HDR400认证，支持杜比视界。"));
+ add(new JD("暗影精灵8", 8699, R.mipmap.sp4, "暗影精灵8 Plus，搭载全新i7处理器，全系标配DDR5 4800MHz双通道内存，还有游戏级PCle 4.0 SSD加持，游戏载入少等待、尽情存储少焦虑。"));
+ }};
+ }
+ return guangxiList;
+ }
+
+ /**
+ * 配件
+ */
+ public static List getGuangzhouList() {
+ if (guangzhouList == null) {
+ guangzhouList = new ArrayList() {{
+ add(new JD("海盗船K100", 1299, R.mipmap.sp5, "海盗船K100键盘采用的是悬浮式按键设计，搭配高品质精密二色注塑PBT透光键帽，1.5mm的厚度超耐用，防滑性能很好，使用手感非常赞。"));
+ add(new JD("罗技G502", 229, R.mipmap.sp6, "罗技G502游戏鼠标，在配重，平衡及追踪表面的适应性需要有更好的提升，尽可能满足每一位玩家的精确需求。"));
+ }};
+ }
+ return guangzhouList;
+ }
+
+// /**
+// * 鼠标
+// */
+// public static List getBeijingList() {
+// if (beijingList == null) {
+// beijingList = new ArrayList() {{
+//
+// }};
+// }
+// return beijingList;
+// }
+//
+// /**
+// * 耳机
+// */
+// public static List getChongqingList() {
+// if (chongqingList == null) {
+// chongqingList = new ArrayList() {{
+//
+// }};
+// }
+// return chongqingList;
+// }
+
+ /**
+ * 用户账号信息
+ */
+ public static List getAccountList() {
+ if (accountList == null) {
+ accountList = new ArrayList() {{
+ add(new User("123456", "123", "小新", R.drawable.one4));
+ }};
+ }
+ return accountList;
+ }
+
+
+
+
+
+ public static List getOrderTest() {
+ @SuppressLint("SimpleDateFormat") SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ return new ArrayList() {{
+ add(new Order("是我", R.mipmap.user1_head, 10.9, simpleDateFormat.format(new Date())));
+ add(new Order("是我", R.mipmap.user1_head, 10.9, simpleDateFormat.format(new Date())));
+ add(new Order("是我", R.mipmap.user1_head, 10.9, simpleDateFormat.format(new Date())));
+ }};
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/model/JD.java b/app/src/main/java/com/android/jingdong/model/JD.java
new file mode 100644
index 0000000..4970b4f
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/model/JD.java
@@ -0,0 +1,121 @@
+package com.android.jingdong.model;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+/**
+ * 乐器类
+ */
+public class JD implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * 商品名称
+ */
+ private String name;
+
+ /**
+ * 商品单价
+ */
+ private double price;
+
+ /**
+ * 图片资源
+ */
+ private int image;
+
+ /**
+ * 商品详情
+ */
+ private String detail;
+
+ /**
+ * 商品数量
+ */
+ private int count;
+
+ public JD() {
+ }
+
+ public JD(String name, double price, int image, String detail) {
+ this.name = name;
+ this.price = price;
+ this.image = image;
+ this.detail = detail;
+ this.count = 1;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public double getPrice() {
+ return price;
+ }
+
+ public void setPrice(double price) {
+ this.price = price;
+ }
+
+ public int getImage() {
+ return image;
+ }
+
+ public void setImage(int image) {
+ this.image = image;
+ }
+
+ public String getDetail() {
+ return detail;
+ }
+
+ public void setDetail(String detail) {
+ this.detail = detail;
+ }
+
+ public int getCount() {
+ return count;
+ }
+
+ public void setCount(int count) {
+ this.count = count;
+ }
+
+ /**
+ * 重写equals方法 用于比较商品是否已添加到购物车
+ *
+ * @param o 待比较商品对象
+ * @return 比较结果
+ */
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+ JD JD = (JD) o;
+ return Objects.equals(name, JD.name);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(name);
+ }
+
+ @NotNull
+ @Override
+ public String toString() {
+ return "JD{" +
+ "name='" + name + '\'' +
+ ", price=" + price +
+ ", image=" + image +
+ ", detail='" + detail + '\'' +
+ ", count=" + count +
+ '}';
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/model/Order.java b/app/src/main/java/com/android/jingdong/model/Order.java
new file mode 100644
index 0000000..15ec6a1
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/model/Order.java
@@ -0,0 +1,104 @@
+package com.android.jingdong.model;
+
+import android.annotation.SuppressLint;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class Order implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ private String name;
+
+ private int image;
+
+ private double money;
+
+ private String time;
+
+ private String username;
+
+ public Order() {
+ }
+
+ public Order(String name, int image, double money, String time) {
+ this.name = name;
+ this.image = image;
+ this.money = money;
+ this.time = time;
+ }
+
+ /**
+ * 乐器类导入订单
+ * 计算金额、加入订单产生时间
+ *
+ * @param JD 产生的乐器对象
+ */
+ @SuppressLint("SimpleDateFormat")
+ public Order(JD JD) {
+ this.name = JD.getName();
+ this.image = JD.getImage();
+ // 计算金额
+ BigDecimal money = BigDecimal.valueOf(JD.getPrice()).multiply(BigDecimal.valueOf(JD.getCount()));
+ this.money = money.doubleValue();
+ // 订单产生时间（格式化）
+ SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ this.time = simpleDateFormat.format(new Date());
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public int getImage() {
+ return image;
+ }
+
+ public void setImage(int image) {
+ this.image = image;
+ }
+
+ public double getMoney() {
+ return money;
+ }
+
+ public void setMoney(double money) {
+ this.money = money;
+ }
+
+ public String getTime() {
+ return time;
+ }
+
+ public void setTime(String time) {
+ this.time = time;
+ }
+
+ public String getUsername() {
+ return username;
+ }
+
+ public void setUsername(String username) {
+ this.username = username;
+ }
+
+ @NotNull
+ @Override
+ public String toString() {
+ return "Order{" +
+ "name='" + name + '\'' +
+ ", image='" + image + '\'' +
+ ", money=" + money +
+ ", time=" + time +
+ '}';
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/model/User.java b/app/src/main/java/com/android/jingdong/model/User.java
new file mode 100644
index 0000000..f4c6224
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/model/User.java
@@ -0,0 +1,108 @@
+package com.android.jingdong.model;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class User implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ private int id;
+
+ private String username;
+
+ private String password;
+
+ private String nickname;
+
+ private int headImage;
+
+ public User() {
+ }
+
+ public User(String username, String password) {
+ this.username = username;
+ this.password = password;
+ }
+
+ public User(String username, String password, String nickname, int headImage) {
+ this.username = username;
+ this.password = password;
+ this.nickname = nickname;
+ this.headImage = headImage;
+ }
+
+ public int getId() {
+ return id;
+ }
+
+ public void setId(int id) {
+ this.id = id;
+ }
+
+ public String getUsername() {
+ return username;
+ }
+
+ public void setUsername(String username) {
+ this.username = username;
+ }
+
+ public String getPassword() {
+ return password;
+ }
+
+ public void setPassword(String password) {
+ this.password = password;
+ }
+
+ public String getNickname() {
+ return nickname;
+ }
+
+ public void setNickname(String nickname) {
+ this.nickname = nickname;
+ }
+
+ public int getHeadImage() {
+ return headImage;
+ }
+
+ public void setHeadImage(int headImage) {
+ this.headImage = headImage;
+ }
+
+ /**
+ * 用于登录比较用户账号密码
+ *
+ * @param o 待比较用户
+ * @return 比较结果
+ */
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+ User user = (User) o;
+ return Objects.equals(username, user.username) &&
+ Objects.equals(password, user.password);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(username, password);
+ }
+
+ @NotNull
+ @Override
+ public String toString() {
+ return "User{" +
+ "id=" + id +
+ ", username='" + username + '\'' +
+ ", password='" + password + '\'' +
+ ", nickname='" + nickname + '\'' +
+ ", headImage='" + headImage + '\'' +
+ '}';
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/ui/JD/TaobaoFragment.java b/app/src/main/java/com/android/jingdong/ui/JD/TaobaoFragment.java
new file mode 100644
index 0000000..0ffa122
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/JD/TaobaoFragment.java
@@ -0,0 +1,171 @@
+package com.android.jingdong.ui.JD;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProviders;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.jingdong.model.JD;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.listener.OnItemClickListener;
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.activity.DetailActivity;
+import com.android.jingdong.adaptor.TaobaoLeftAdapter;
+import com.android.jingdong.adaptor.TaobaoRightAdapter;
+import com.android.jingdong.data.DataServer;
+import com.android.jingdong.utils.Tips;
+
+import java.util.Objects;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+public class TaobaoFragment extends Fragment {
+
+ private TaobaoViewModel taobaoViewModel;
+
+ // 乐器页面左边列表已选择的Position
+ private int leftSelectPosition = 0;
+
+ @BindView(R.id.snackLeftRecyclerView)
+ RecyclerView leftRecyclerview;
+
+ @BindView(R.id.snackRightRecyclerView)
+ RecyclerView rightRecyclerView;
+
+ // 右边适配器
+ private TaobaoRightAdapter rightAdapter;
+
+ public static TaobaoFragment newInstance() {
+ return new TaobaoFragment();
+ }
+
+ @Override
+ public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+ @Nullable Bundle savedInstanceState) {
+ taobaoViewModel = ViewModelProviders.of(this).get(TaobaoViewModel.class);
+ View root = inflater.inflate(R.layout.fragment_snack, container, false);
+ // 绑定资源
+ ButterKnife.bind(this, root);
+ return root;
+ }
+
+ @Override
+ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ leftRecyclerview.setLayoutManager(new LinearLayoutManager(getActivity()));
+ rightRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+ initLeftAdapter();
+ initRightAdapter();
+ }
+
+ /**
+ * 初始化左边适配器
+ */
+ @SuppressLint("ResourceAsColor")
+ private void initLeftAdapter() {
+ // 实例化左边适配器对象
+ TaobaoLeftAdapter leftAdapter = new TaobaoLeftAdapter(DataServer.getSnackOrderList());
+ // 设置动画效果
+ leftAdapter.setAnimationEnable(true);
+ leftAdapter.setAnimationFirstOnly(false);
+ leftAdapter.setAnimationWithDefault(BaseQuickAdapter.AnimationType.SlideInLeft);
+
+ // 触发点击按钮
+ leftAdapter.setOnItemClickListener((adapter, view, position) -> {
+ if (position != leftSelectPosition) {
+ String item = (String) adapter.getItem(position);
+
+ // 原本选中的item变成未选中颜色
+ Objects.requireNonNull(adapter.getViewByPosition(leftSelectPosition, R.id.snackLeftType)).setBackgroundResource(R.color.colorContent);
+ // 当前item变成选中颜色
+ Objects.requireNonNull(adapter.getViewByPosition(position, R.id.snackLeftType)).setBackgroundResource(R.color.colorBgWhite);
+ leftSelectPosition = position;
+
+ // 刷新右边列表
+// rightAdapter.setAnimationWithDefault(BaseQuickAdapter.AnimationType.SlideInBottom);
+ rightAdapter.setAnimationEnable(false);
+ switch (position) {
+ case 1:
+ rightAdapter.setNewInstance(DataServer.getGuangxiList());
+ break;
+ case 2:
+ rightAdapter.setNewInstance(DataServer.getGuangzhouList());
+ break;
+ case 3:
+// rightAdapter.setNewInstance(DataServer.getBeijingList());
+ break;
+ case 4:
+// rightAdapter.setNewInstance(DataServer.getChongqingList());
+ break;
+ default:
+ rightAdapter.setNewInstance(DataServer.getFujianList());
+ break;
+ }
+ }
+ });
+
+ // 设置左边列表适配器
+ leftRecyclerview.setAdapter(leftAdapter);
+ }
+
+ /**
+ * 初始化右边适配器
+ */
+ public void initRightAdapter() {
+ // 实例化右边适配器对象
+ rightAdapter = new TaobaoRightAdapter(DataServer.getFujianList());
+ // 设置动画效果
+ rightAdapter.setAnimationEnable(true);
+// rightAdapter.setAnimationFirstOnly(false);
+ rightAdapter.setAnimationWithDefault(BaseQuickAdapter.AnimationType.SlideInRight);
+ // 设置尾部
+ rightAdapter.addFooterView(getFooterView());
+
+ // 点击item事件
+ rightAdapter.setOnItemClickListener(new OnItemClickListener() {
+ @Override
+ public void onItemClick(@NonNull BaseQuickAdapter adapter, @NonNull View view, int position) {
+ JD JD = (JD) adapter.getItem(position);
+ DetailActivity.actionStart(getContext(), JD);
+ }
+ });
+
+ // 左边列表加入购物车点击事件
+ rightAdapter.addChildClickViewIds(R.id.snackRightAddBtn);
+ rightAdapter.setOnItemChildClickListener((adapter, view, position) -> {
+ JD JD = (JD) adapter.getItem(position);
+ if (view.getId() == R.id.snackRightAddBtn) {
+ if (!MyApplication.getCartTaobaos().contains(JD)) {
+ // 添加到购物车
+ JD.setCount(1);
+ MyApplication.getCartTaobaos().add(JD);
+ Tips.show("已添加" + JD.getName() + "到购物车");
+ } else {
+ Tips.show("已在购物车中，不能重复添加");
+ }
+ }
+ });
+
+ // 设置右边列表适配器
+ rightRecyclerView.setAdapter(rightAdapter);
+ }
+
+ /**
+ * 乐器页面右边RecyclerView尾部View
+ */
+ private View getFooterView() {
+ return getLayoutInflater().inflate(R.layout.footer_no_item, rightRecyclerView, false);
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/JD/TaobaoViewModel.java b/app/src/main/java/com/android/jingdong/ui/JD/TaobaoViewModel.java
new file mode 100644
index 0000000..0f4f1c0
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/JD/TaobaoViewModel.java
@@ -0,0 +1,19 @@
+package com.android.jingdong.ui.JD;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MediatorLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class TaobaoViewModel extends ViewModel {
+
+ private MediatorLiveData mText;
+
+ public TaobaoViewModel() {
+ mText = new MediatorLiveData<>();
+ mText.setValue("点单页面");
+ }
+
+ public LiveData getText() {
+ return mText;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/home/HomeFragment.java b/app/src/main/java/com/android/jingdong/ui/home/HomeFragment.java
new file mode 100644
index 0000000..e9ded48
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/home/HomeFragment.java
@@ -0,0 +1,88 @@
+package com.android.jingdong.ui.home;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProviders;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
+
+import com.android.jingdong.R;
+import com.android.jingdong.activity.DetailActivity;
+import com.android.jingdong.adaptor.HomeAdapter;
+import com.android.jingdong.animator.MyAnimation3;
+import com.android.jingdong.data.DataServer;
+import com.android.jingdong.model.JD;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+public class HomeFragment extends Fragment {
+
+ private HomeViewModel homeViewModel;
+
+ @BindView(R.id.homeRecyclerView)
+ RecyclerView homeRecyclerView;
+
+ public View onCreateView(@NonNull LayoutInflater inflater,
+ ViewGroup container, Bundle savedInstanceState) {
+ homeViewModel =
+ ViewModelProviders.of(this).get(HomeViewModel.class);
+ View root = inflater.inflate(R.layout.fragment_home, container, false);
+ // 绑定资源
+ ButterKnife.bind(this, root);
+ return root;
+ }
+
+ @Override
+ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ // 首页瀑布流列表
+ homeRecyclerView.setLayoutManager(new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL));
+
+ initHomeAdapter();
+ }
+
+ private void initHomeAdapter() {
+ // 实例化购物车列表适配器对象
+ HomeAdapter adapter = new HomeAdapter(DataServer.getHomeList());
+ // 设置动画效果
+ adapter.setAnimationEnable(true);
+// adapter.setAnimationFirstOnly(false);
+// adapter.setAnimationWithDefault(BaseQuickAdapter.AnimationType.SlideInBottom);
+ adapter.setAdapterAnimation(new MyAnimation3());
+ // 设置头部
+ adapter.setHeaderView(getHeadView(), 1);
+ // 设置尾部
+ adapter.setFooterView(getFooterView(), 1);
+
+ // 点击事件监听器
+ adapter.setOnItemClickListener((adapter1, view, position) -> {
+ JD JD = (JD) adapter1.getItem(position);
+ DetailActivity.actionStart(getContext(), JD);
+ });
+
+ // 设置适配器
+ homeRecyclerView.setAdapter(adapter);
+ }
+
+ /**
+ * 首页RecyclerView头部View
+ */
+ private View getHeadView() {
+ return getLayoutInflater().inflate(R.layout.head_home_image, homeRecyclerView, false);
+ }
+
+ /**
+ * 首页RecyclerView尾部View
+ */
+ private View getFooterView() {
+ return getLayoutInflater().inflate(R.layout.footer_no_item, homeRecyclerView, false);
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/home/HomeViewModel.java b/app/src/main/java/com/android/jingdong/ui/home/HomeViewModel.java
new file mode 100644
index 0000000..8d24afd
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/home/HomeViewModel.java
@@ -0,0 +1,19 @@
+package com.android.jingdong.ui.home;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class HomeViewModel extends ViewModel {
+
+ private MutableLiveData mText;
+
+ public HomeViewModel() {
+ mText = new MutableLiveData<>();
+ mText.setValue("首页页面");
+ }
+
+ public LiveData getText() {
+ return mText;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/my/MyFragment.java b/app/src/main/java/com/android/jingdong/ui/my/MyFragment.java
new file mode 100644
index 0000000..e70f15c
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/my/MyFragment.java
@@ -0,0 +1,196 @@
+package com.android.jingdong.ui.my;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProviders;
+
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.activity.LoginActivity;
+import com.android.jingdong.activity.OrderActivity;
+import com.android.jingdong.dao.UserDao;
+import com.android.jingdong.model.User;
+import com.android.jingdong.utils.Tips;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import de.hdodenhof.circleimageview.CircleImageView;
+
+public class MyFragment extends Fragment {
+
+ private MyViewModel myViewModel;
+
+ @BindView(R.id.myUserHead)
+ CircleImageView image;
+
+ @BindView(R.id.constraintLayout)
+ ConstraintLayout constraintLayout;
+
+ @BindView(R.id.myUserNickName)
+ TextView nickname;
+
+ @BindView(R.id.myUserName)
+ TextView username;
+
+ @BindView(R.id.myModifyView)
+ LinearLayout modifyView;
+
+ @BindView(R.id.myGeneralView)
+ LinearLayout generalView;
+
+ public View onCreateView(@NonNull LayoutInflater inflater,
+ ViewGroup container, Bundle savedInstanceState) {
+ myViewModel =
+ ViewModelProviders.of(this).get(MyViewModel.class);
+ View root = inflater.inflate(R.layout.fragment_my, container, false);
+
+ // 绑定资源
+ ButterKnife.bind(this, root);
+ return root;
+ }
+
+ @Override
+ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ initView();
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ initView();
+ }
+
+ @SuppressLint("SetTextI18n")
+ private void initView() {
+ if (MyApplication.isLogin()) {
+ User user = MyApplication.getUser();
+ image.setImageResource(user.getHeadImage());
+ nickname.setText(user.getNickname());
+ username.setText("账号: " + user.getUsername());
+ }
+ }
+
+ @OnClick(R.id.myUserHead)
+ void clickImage() {
+ if (MyApplication.isLogin()) {
+ Tips.show("已登录");
+ } else {
+ LoginActivity.actionStart(getActivity());
+ }
+ }
+
+ @OnClick(R.id.constraintLayout)
+ void clickcslayout() {
+ if (MyApplication.isLogin()) {
+ Tips.show("已登录");
+ } else {
+ LoginActivity.actionStart(getActivity());
+ }
+ }
+
+ /**
+ * 点击我的订单
+ */
+ @OnClick(R.id.myOrderView)
+ void clickOrder() {
+ if (MyApplication.isLogin()) {
+ OrderActivity.actionStart(getContext());
+ } else {
+ Tips.show("请先登录");
+ }
+ }
+
+ @OnClick(R.id.myModifyText)
+ void clickShowModify() {
+ if (modifyView.getVisibility() == View.GONE) {
+ modifyView.setVisibility(View.VISIBLE);
+ } else {
+ modifyView.setVisibility(View.GONE);
+ }
+ }
+
+ @OnClick(R.id.myGeneralText)
+ void clickShowGeneral() {
+ if (generalView.getVisibility() == View.GONE) {
+ generalView.setVisibility(View.VISIBLE);
+ } else {
+ generalView.setVisibility(View.GONE);
+ }
+ }
+
+ @OnClick(R.id.myModifyBtn)
+ void clickModifySubmit() {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ builder.setTitle("提示")
+ .setMessage("是否保存地址信息")
+ .setPositiveButton("取消", new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+
+ }
+ })
+ .setPositiveButton("确定", new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ modifyView.setVisibility(View.GONE);
+ }
+ })
+ .create()
+ .show();
+ }
+
+ @OnClick(R.id.myGeneralBtn)
+ void clickGeneralSubmit() {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ builder.setTitle("提示")
+ .setMessage("是否保存通用设置")
+ .setPositiveButton("取消", new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+
+ }
+ })
+ .setPositiveButton("确定", new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ generalView.setVisibility(View.GONE);
+ }
+ })
+ .create()
+ .show();
+ }
+
+ /**
+ * 点击退出登录
+ */
+ @OnClick(R.id.logoutBtn)
+ void clickLogout() {
+ if (MyApplication.isLogin()) {
+ // 清除持久化数据
+ UserDao.removeUserAndLoginStatus();
+ // 清除全局数据
+ MyApplication.isLogin(false);
+ MyApplication.setUser(null);
+ nickname.setText("未登录");
+ username.setText("");
+ image.setImageResource(R.mipmap.logo);
+ } else {
+ Tips.show("还没有登录，请先登录");
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/my/MyViewModel.java b/app/src/main/java/com/android/jingdong/ui/my/MyViewModel.java
new file mode 100644
index 0000000..da4ea56
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/my/MyViewModel.java
@@ -0,0 +1,19 @@
+package com.android.jingdong.ui.my;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class MyViewModel extends ViewModel {
+
+ private MutableLiveData mText;
+
+ public MyViewModel() {
+ mText = new MutableLiveData<>();
+ mText.setValue("我的页面");
+ }
+
+ public LiveData getText() {
+ return mText;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/place/PlaceFragment.java b/app/src/main/java/com/android/jingdong/ui/place/PlaceFragment.java
new file mode 100644
index 0000000..26d972c
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/place/PlaceFragment.java
@@ -0,0 +1,248 @@
+package com.android.jingdong.ui.place;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProviders;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.jingdong.model.JD;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.listener.OnItemClickListener;
+import com.android.jingdong.MyApplication;
+import com.android.jingdong.R;
+import com.android.jingdong.activity.DetailActivity;
+import com.android.jingdong.adaptor.PlaceOrderAdapter;
+import com.android.jingdong.dao.OrderDao;
+import com.android.jingdong.model.Order;
+import com.android.jingdong.utils.Tips;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class PlaceFragment extends Fragment {
+
+ private PlaceViewModel placeViewModel;
+
+ @BindView(R.id.placeRecyclerView)
+ RecyclerView orderRecyclerView;
+
+ @BindView(R.id.placeBuyBtn)
+ Button buyButton;
+
+ @BindView(R.id.placeMoney)
+ TextView placeMoney;
+
+ PlaceOrderAdapter orderAdapter;
+
+ public View onCreateView(@NonNull LayoutInflater inflater,
+ ViewGroup container, Bundle savedInstanceState) {
+ placeViewModel =
+ ViewModelProviders.of(this).get(PlaceViewModel.class);
+ View root = inflater.inflate(R.layout.fragment_place, container, false);
+ // 绑定资源
+ ButterKnife.bind(this, root);
+// final TextView textView = root.findViewById(R.id.text_notifications);
+// notificationsViewModel.getText().observe(getViewLifecycleOwner(), new Observer() {
+// @Override
+// public void onChanged(@Nullable String s) {
+// textView.setText(s);
+// }
+// });
+ return root;
+ }
+
+ @Override
+ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ orderRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+ initOrderAdapter();
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ // 每次页面显示都计算合计金额
+ calcTotalMoney();
+ }
+
+ /**
+ * 初始化购物车列表适配器
+ */
+ private void initOrderAdapter() {
+ // 实例化购物车列表适配器对象
+ orderAdapter = new PlaceOrderAdapter(MyApplication.getCartTaobaos());
+
+ // 设置空布局
+ orderAdapter.setEmptyView(getEmptyView());
+
+ // 设置动画效果
+ orderAdapter.setAnimationEnable(true);
+// orderAdapter.setAnimationFirstOnly(false);
+ orderAdapter.setAnimationWithDefault(BaseQuickAdapter.AnimationType.ScaleIn);
+
+ // 点击item事件触发
+ orderAdapter.setOnItemClickListener(new OnItemClickListener() {
+ @Override
+ public void onItemClick(@NonNull BaseQuickAdapter adapter, @NonNull View view, int position) {
+ JD JD = (JD) adapter.getItem(position);
+ DetailActivity.actionStart(getContext(), JD);
+ }
+ });
+
+ // 注册item内子控件id
+ orderAdapter.addChildClickViewIds(R.id.orderLessLabel, R.id.orderAddLabel);
+ // 子控件点击监听
+ orderAdapter.setOnItemChildClickListener((adapter, view, position) -> {
+ JD JD = (JD) adapter.getItem(position);
+ switch (view.getId()) {
+ case R.id.orderLessLabel:
+ // 点击减少数量
+ if (JD.getCount() == 1) {
+ MyApplication.getCartTaobaos().remove(position);
+ } else {
+ MyApplication.getCartTaobaos().get(position).setCount(JD.getCount() - 1);
+ }
+
+ adapter.notifyDataSetChanged();
+ break;
+ case R.id.orderAddLabel:
+ // 点击添加数量
+ MyApplication.getCartTaobaos().get(position).setCount(JD.getCount() + 1);
+ adapter.notifyDataSetChanged();
+ break;
+ default:
+ break;
+ }
+ calcTotalMoney();
+ });
+
+ // 设置适配器
+ orderRecyclerView.setAdapter(orderAdapter);
+ }
+
+ /**
+ * 点击下单按钮事件触发器
+ */
+ @OnClick(R.id.placeBuyBtn)
+ void initClick() {
+ if (MyApplication.getCartTaobaos().isEmpty()) {
+ Tips.show("购物车是空的啦！！！");
+ } else {
+ if (MyApplication.isLogin()) {
+ // 显示Dialog
+ showDialog();
+ } else {
+ Tips.show("请先登录");
+ }
+ }
+ }
+
+ /**
+ * 显示下单备注提示框
+ */
+ @SuppressLint("InflateParams")
+ public void showDialog() {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ LayoutInflater inflater = requireActivity().getLayoutInflater();
+
+ builder.setView(inflater.inflate(R.layout.dialog_view, null))
+ .setTitle("备注")
+ .setPositiveButton("下单", (dialog, which) -> {
+ // 持久化订单数据
+ saveOrder();
+
+ // 清空购物车数据
+ MyApplication.getCartTaobaos().removeAll(MyApplication.getCartTaobaos());
+ // 通知适配器数据变化
+ orderAdapter.notifyDataSetChanged();
+ // 刷新总金额
+ calcTotalMoney();
+
+ Tips.show("下单成功");
+ })
+ .create()
+ .show();
+ }
+
+ /**
+ * 持久化订单数据
+ */
+ public void saveOrder() {
+ List orders = new ArrayList<>();
+ // 购物车数据产生订单
+ for (JD JD : MyApplication.getCartTaobaos()) {
+ Order order = new Order(JD);
+ order.setUsername(MyApplication.getUser().getUsername());
+ orders.add(order);
+ }
+
+ OrderDao.saveOrder(orders);
+ }
+
+ /**
+ * 点击垃圾桶事件触发器
+ */
+ @OnClick(R.id.deleteOrder)
+ void deleteOrder() {
+ if (MyApplication.getCartTaobaos().isEmpty()) {
+ Tips.show("购物车是空的");
+ } else {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ builder.setTitle("提示")
+ .setMessage("是否清空购物车？")
+ .setPositiveButton("确定", (dialog, which) -> {
+ // 清空购物车数据
+ MyApplication.getCartTaobaos().removeAll(MyApplication.getCartTaobaos());
+ // 通知适配器数据变化
+ orderAdapter.notifyDataSetChanged();
+ // 刷新总金额
+ calcTotalMoney();
+
+ Tips.show("已清空购物车");
+ })
+ .create()
+ .show();
+ }
+ }
+
+ // 计算合计金额
+ @SuppressLint("SetTextI18n")
+ private void calcTotalMoney() {
+ BigDecimal totalMoney = BigDecimal.valueOf(0);
+
+ // 遍历计算总金额（解决舍入误差）
+ if (!MyApplication.getCartTaobaos().isEmpty()) {
+ for (JD JD : MyApplication.getCartTaobaos()) {
+ // 乐器单价 × 乐器数量
+ BigDecimal tmp = BigDecimal.valueOf(JD.getPrice()).multiply(BigDecimal.valueOf(JD.getCount()));
+ totalMoney = totalMoney.add(tmp);
+ }
+ }
+
+ placeMoney.setText("￥" + totalMoney.doubleValue());
+ }
+
+ /**
+ * 下单页面购物车空布局
+ */
+ private View getEmptyView() {
+ return getLayoutInflater().inflate(R.layout.empty_cart_view, orderRecyclerView, false);
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/ui/place/PlaceViewModel.java b/app/src/main/java/com/android/jingdong/ui/place/PlaceViewModel.java
new file mode 100644
index 0000000..9cce701
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/ui/place/PlaceViewModel.java
@@ -0,0 +1,19 @@
+package com.android.jingdong.ui.place;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class PlaceViewModel extends ViewModel {
+
+ private MutableLiveData mText;
+
+ public PlaceViewModel() {
+ mText = new MutableLiveData<>();
+ mText.setValue("下单页面");
+ }
+
+ public LiveData getText() {
+ return mText;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/android/jingdong/utils/Tips.java b/app/src/main/java/com/android/jingdong/utils/Tips.java
new file mode 100644
index 0000000..1975bb2
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/utils/Tips.java
@@ -0,0 +1,84 @@
+package com.android.jingdong.utils;
+
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.ShapeDrawable;
+import android.graphics.drawable.shapes.RoundRectShape;
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class Tips {
+
+ /**
+ * 显示Toast
+ *
+ * @param message 显示的文本消息
+ */
+ public static void show(String message) {
+ show(message, Toast.LENGTH_SHORT);
+ }
+
+ /**
+ * 显示Toast
+ *
+ * @param message 显示的文本消息
+ * @param duration 显示时间长度
+ */
+ public static void show(String message, int duration) {
+ Toast toast = new Toast(Utils.getContext());
+ toast.setDuration(duration);
+ toast.setGravity(Gravity.CENTER, 0, 0);
+ toast.setView(createToastView(message));
+ toast.show();
+ }
+
+ /**
+ * 创建Toast自定义View
+ *
+ * @param message 显示的文本消息
+ * @return 自定义View
+ */
+ private static View createToastView(String message) {
+ // 构建圆角矩形背景
+ float radius = dp2px(6);
+ RoundRectShape shape = new RoundRectShape(new float[]{radius, radius, radius, radius, radius, radius, radius, radius}, null, null);
+ ShapeDrawable drawable = new ShapeDrawable(shape);
+ drawable.getPaint().setColor(Color.argb(225, 240, 240, 240));
+ drawable.getPaint().setStyle(Paint.Style.FILL);
+ drawable.getPaint().setAntiAlias(true);
+ drawable.getPaint().setFlags(Paint.ANTI_ALIAS_FLAG);
+
+ // 创建View
+ FrameLayout layout = new FrameLayout(Utils.getContext());
+ ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+ layout.setLayoutParams(layoutParams);
+ layout.setPadding(dp2px(16), dp2px(12), dp2px(16), dp2px(12));
+ layout.setBackground(drawable);
+
+ TextView textView = new TextView(Utils.getContext());
+ textView.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT));
+ textView.setTextSize(15);
+ textView.setText(message);
+ textView.setLineSpacing(dp2px(4), 1f);
+ textView.setTextColor(Color.BLACK);
+
+ layout.addView(textView);
+
+ return layout;
+ }
+
+ /**
+ * dp转px
+ *
+ * @param dp dp的值
+ * @return 转换后的px
+ */
+ private static int dp2px(float dp) {
+ final float scale = Utils.getContext().getResources().getDisplayMetrics().density;
+ return (int) (dp * scale + 0.5f);
+ }
+}
diff --git a/app/src/main/java/com/android/jingdong/utils/Utils.java b/app/src/main/java/com/android/jingdong/utils/Utils.java
new file mode 100644
index 0000000..9bc0c8e
--- /dev/null
+++ b/app/src/main/java/com/android/jingdong/utils/Utils.java
@@ -0,0 +1,35 @@
+package com.android.jingdong.utils;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+
+public class Utils {
+
+ @SuppressLint("StaticFieldLeak")
+ private static Context context;
+
+ private Utils() {
+ throw new UnsupportedOperationException("我是需要实例化的啦！！！");
+ }
+
+ /**
+ * 初始化工具类
+ *
+ * @param context 上下文
+ */
+ public static void init(Context context) {
+ Utils.context = context.getApplicationContext();
+ }
+
+ /**
+ * 获取应用的ApplicationContext
+ *
+ * @return ApplicationContext
+ */
+ public static Context getContext() {
+ if (context != null) {
+ return context;
+ }
+ throw new NullPointerException("上下文为空啊！！！");
+ }
+}
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+