第三次实验

.idea/compiler.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
+    <bytecodeTargetLevel target="11" />
   </component>
 </project>

.idea/gradle.xml

@@ -8,6 +8,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="jbr-11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

app/build.gradle

@@ -23,6 +23,10 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.4.+'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'

app/src/main/AndroidManifest.xml

@@ -9,15 +9,24 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".TitleFragment"
+            android:exported="false" />
+        <activity
+            android:name=".ContentFragment"
+            android:exported="false" />
+        <activity
+            android:name=".activity.activity.GoodsActivity"
+            android:exported="false" />
+        <activity android:name=".activity.activity.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".RegisterActivity"></activity>
+        <activity android:name=".activity.activity.RegisterActivity" />
-        <activity android:name=".UserActivity" />
+        <activity android:name=".activity.activity.UserActivity" />
     </application>
 
 </manifest>

app/src/main/java/com/example/Cat/activity/activity/ContentFragment.java

@@ -0,0 +1,43 @@
+package com.example.Cat.activity.activity;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.example.Cat.R;
+import com.example.Cat.activity.activity.MainActivity;
+
+
+public class ContentFragment extends Fragment {
+    private View view;
+    private TextView text1,text2;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        //获取布局文件
+        view=inflater.inflate(R.layout.content_layout,container,false);
+        if (view!=null){
+            init();
+        }
+        //获取activity中设置的文字
+        setText(((MainActivity)getActivity()).getSettingText()[0]);
+        return view;
+    }
+    private void init() {
+        text1=(TextView)view.findViewById(R.id.show_title);
+        text2=(TextView)view.findViewById(R.id.show_content);
+    }
+    public void setText(String[] text) {
+        Log.i("news",text[0]);
+        text1.setText(text[0]);
+        text2.setText(text[1]);
+    }
+
+}

app/src/main/java/com/example/Cat/activity/activity/GoodsActivity.java

@@ -0,0 +1,24 @@
+package com.example.Cat.activity.activity;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.View;
+
+import com.example.Cat.R;
+
+public class GoodsActivity extends AppCompatActivity  {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.production);
+    }
+
+//    @Override
+//    public void onClick(View v){
+//        switch(v.getId()){
+//            case
+//        }
+//    }
+}

app/src/main/java/com/example/Cat/activity/activity/MainActivity.java

@@ -1,4 +1,4 @@
-package com.example.Cat;
+package com.example.Cat.activity.activity;
 
 import androidx.appcompat.app.AppCompatActivity;
 
@@ -8,10 +8,25 @@ import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
 
+import com.example.Cat.R;
+
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
     private Button registerButton, loginButton;
     private EditText usernameText, paswdEdit;
 
+    private String tilte[]={"标题一","标题二","标题三"};
+    private String settingText[][]={{"标题一","标题一的内容"},{"标题二","标题二的内容"},{"标题三","标题三的内容"}};
+    //获取标题数组的方法
+    public String[] getTilte(){
+
+        return tilte;
+    }
+    //获取标题和内容
+    public String[][] getSettingText(){
+
+        return settingText;
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

app/src/main/java/com/example/Cat/activity/activity/RegisterActivity.java

@@ -1,4 +1,4 @@
-package com.example.Cat;
+package com.example.Cat.activity.activity;
 
 import android.content.Intent;
 import android.graphics.Color;
@@ -13,6 +13,7 @@ import android.widget.Toast;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.example.Cat.R;
 import com.lljjcoder.citypickerview.widget.CityPicker;
 
 public class RegisterActivity extends AppCompatActivity implements View.OnClickListener, RadioGroup.OnCheckedChangeListener {

app/src/main/java/com/example/Cat/activity/activity/TitleFragment.java

@@ -0,0 +1,84 @@
+package com.example.Cat.activity.activity;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.example.Cat.R;
+
+
+public class TitleFragment extends Fragment {
+
+    private View view;
+    private String[] title;
+    private String[][] contents;
+    private ListView listView;
+    //  private String settingText[][]={{"标题一","标题一的内容"},{"标题二","标题二的内容"},{"标题三","标题三的内容"}};
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        view=inflater.inflate(R.layout.title_layout,container,false);
+        //获取Activty实例对象
+        MainActivity activity=(MainActivity)getActivity();
+        //获取Activty中的标题
+        title=activity.getTilte();
+        //获取Activty中的标题和内容
+        contents=activity.getSettingText();
+        if (view!=null){
+            init();
+        }
+        //为listview添加监听
+        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
+                //通过activity实例获取另一个Fragment对象
+                com.example.Cat.activity.activity.ContentFragment content=(com.example.Cat.activity.activity.ContentFragment)((MainActivity)getActivity())
+                        .getSupportFragmentManager().findFragmentById(R.id.setcontent);
+                content.setText(contents[i]);
+
+            }
+        });
+        return view;
+    }
+
+    private void init() {
+        listView=(ListView)view.findViewById(R.id.titlelist);
+        if (title!=null){
+            listView.setAdapter(new MyAdapter());
+        }
+    }
+    //适配器
+    class MyAdapter extends BaseAdapter {
+
+        @Override
+        public int getCount() {
+            return title.length;
+        }
+
+        @Override
+        public Object getItem(int i) {
+            return title[i];
+        }
+
+        @Override
+        public long getItemId(int i) {
+            return i;
+        }
+
+        @Override
+        public View getView(int i, View view, ViewGroup viewGroup) {
+            view=View.inflate(getActivity(), R.layout.title_item_layout,null);
+            TextView titletext=(TextView)view.findViewById(R.id.titles);
+            titletext.setText(title[i]);
+            return view;
+        }
+    }
+}
+

app/src/main/java/com/example/Cat/activity/activity/UserActivity.java

@@ -1,4 +1,4 @@
-package com.example.Cat;
+package com.example.Cat.activity.activity;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -10,10 +10,12 @@ import android.widget.TextView;
 
 import androidx.annotation.Nullable;
 
-public class UserActivity extends Activity {
+import com.example.Cat.R;
+
+public class UserActivity extends Activity implements View.OnClickListener{
     private ImageView userIconImage;
     private TextView usernameText, userSexText, userCityText;
-    private LinearLayout usernameLine, userSexline, userCityLine, userPayLine, userSettingLine, userGeneralLine;
+    private LinearLayout usernameLine, userSexline, userCityLine, userPayLine, userSettingLine, userGeneralLine,userProductLine;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -36,6 +38,8 @@ public class UserActivity extends Activity {
         userPayLine = findViewById(R.id.user_pay);
         userSettingLine = findViewById(R.id.user_setting);
         userGeneralLine = findViewById(R.id.user_general);
+        userProductLine = findViewById(R.id.user_product);
+        userProductLine.setOnClickListener(this);
         setData();
     }
 
@@ -49,8 +53,17 @@ public class UserActivity extends Activity {
         userSexText.setText(String.format("性别：%s", bundle.getString("sex")));
         userCityText.setText(String.format("城市：%s", bundle.getString("city")));
     }
-    public void click(View v) {
+    @Override
-                Intent intent = new Intent(this, MainActivity.class);
+    public void onClick(View v) {
-                startActivity(intent);
+        switch (v.getId()) {
+            case R.id.exit:
+                Intent intent1 = new Intent(this, MainActivity.class);
+                startActivity(intent1);
+                break;
+            case R.id.user_product:
+                Intent intent2 = new Intent(this,TitleFragment.class);
+                startActivity(intent2);
+                break;
+        }
     }
 }

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

@@ -5,7 +5,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".activity.activity.MainActivity">
 
     <TextView
         android:layout_width="wrap_content"

app/src/main/res/layout/content_layout.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".ContentFragment">
+
+    <TextView
+        android:id="@+id/show_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textSize="20sp"
+        android:text="显示新闻标题" />
+    <TextView
+        android:id="@+id/show_content"
+        android:layout_width="match_parent"
+        android:layout_marginTop="20dp"
+        android:layout_height="wrap_content"
+        android:textSize="16sp"
+        android:text="显示新闻内容" />
+
+</LinearLayout>

app/src/main/res/layout/content_user.xml

@@ -162,19 +162,21 @@
 
     <!--查看商品-->
     <LinearLayout
-        android:id="@+id/user_searchProduct"
+        android:id="@+id/user_product"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="#FFF"
         android:layout_marginTop="20dp"
-        android:orientation="horizontal">
+        android:orientation="horizontal"
+        android:clickable="true"
+        >
 
         <TextView
             android:layout_height="35dp"
             android:layout_weight="1"
             android:drawableLeft="@drawable/search"
             android:textColor="#000"
-            android:text="查看商品"
+            android:text="查看宠物商品"
             android:gravity="center_vertical"
             android:drawablePadding="8dp"
             android:textSize="14sp"

app/src/main/res/layout/goods_left.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <ListView
+        android:id="@+id/goodsList"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+    </ListView>
+</LinearLayout>

app/src/main/res/layout/goods_right.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</LinearLayout>

app/src/main/res/layout/production.xml

@@ -0,0 +1,26 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal"
+    tools:context=".MainActivity">
+
+    <!--标题-->
+    <FrameLayout
+        android:id="@+id/settitle"
+        android:layout_width="0dp"
+        android:layout_weight="1"
+        android:layout_height="match_parent">
+    </FrameLayout>
+    <!--内容-->
+    <FrameLayout
+        android:id="@+id/setcontent"
+        android:layout_width="0dp"
+        android:layout_weight="2"
+        android:layout_height="match_parent">
+    </FrameLayout>
+
+
+</LinearLayout>

app/src/main/res/layout/title_item_layout.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <TextView
+        android:id="@+id/titles"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize ="16sp"/>
+</LinearLayout>

app/src/main/res/layout/title_layout.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".TitleFragment">
+
+    <!--用来展示新闻标题列表-->
+    <ListView
+        android:id="@+id/titlelist"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+    </ListView>
+
+
+</LinearLayout>