commit

app/src/main/AndroidManifest.xml

@@ -9,12 +9,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity
+
-            android:name=".TitleFragment"
-            android:exported="false" />
-        <activity
-            android:name=".ContentFragment"
-            android:exported="false" />
         <activity
             android:name=".activity.activity.GoodsActivity"
             android:exported="false" />
@@ -27,6 +22,7 @@
         </activity>
         <activity android:name=".activity.activity.RegisterActivity" />
         <activity android:name=".activity.activity.UserActivity" />
+
     </application>
 
 </manifest>

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

@@ -8,6 +8,7 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.example.Cat.R;
@@ -17,7 +18,7 @@ import com.example.Cat.activity.activity.MainActivity;
 public class ContentFragment extends Fragment {
     private View view;
     private TextView text1,text2;
-
+    public ImageView imageView;
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -27,12 +28,13 @@ public class ContentFragment extends Fragment {
             init();
         }
         //获取activity中设置的文字
-        setText(((MainActivity)getActivity()).getSettingText()[0]);
+        setText(((GoodsActivity)getActivity()).getSettingText()[0]);
         return view;
     }
     private void init() {
         text1=(TextView)view.findViewById(R.id.show_title);
         text2=(TextView)view.findViewById(R.id.show_content);
+        imageView=(ImageView) view.findViewById(R.id.icon11);
     }
     public void setText(String[] text) {
         Log.i("news",text[0]);

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

@@ -1,18 +1,49 @@
 package com.example.Cat.activity.activity;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 
 import android.os.Bundle;
 import android.view.View;
 
 import com.example.Cat.R;
 
-public class GoodsActivity extends AppCompatActivity  {
+public class GoodsActivity extends FragmentActivity {
 
+    private String tilte[]={"猫粮","猫窝","猫玩具","清洁用品"};
+    private String settingText[][]={{"猫粮","猫猫牌猫粮，宠物的最爱"},{"猫窝","猫猫最爱的窝"},{"猫玩具","猫猫的玩具天堂"},{"清洁用品","猫猫今天也要爱干净鸭"}};
+    public int[] setImage={R.drawable.maoliang,R.drawable.maowo,R.drawable.maowanju,R.drawable.qingjieyongpin};
+    //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;
+    }
+    public int[] getSetImage(){
+        return setImage;
+    }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.production);
+        setContentView(R.layout.activity_main);
+        //创建Fragment
+        TitleFragment titleFragment=new TitleFragment();
+        ContentFragment contentFragment=new ContentFragment();
+        //获取事物
+        FragmentManager fragmentManager = getSupportFragmentManager();
+        FragmentTransaction transaction = fragmentManager.beginTransaction();
+        //添加Fragment
+        transaction.replace(R.id.settitle,titleFragment);
+        transaction.replace(R.id.setcontent,contentFragment);
+        //提交事物
+        transaction.commit();
     }
 
 //    @Override

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

@@ -7,6 +7,7 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
 
 import com.example.Cat.R;
 
@@ -14,18 +15,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     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) {

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

@@ -18,6 +18,8 @@ public class TitleFragment extends Fragment {
     private View view;
     private String[] title;
     private String[][] contents;
+
+    private int[] images;
     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"}};
 
@@ -26,11 +28,12 @@ public class TitleFragment extends Fragment {
                              Bundle savedInstanceState) {
         view=inflater.inflate(R.layout.title_layout,container,false);
         //获取Activty实例对象
-        MainActivity activity=(MainActivity)getActivity();
+        GoodsActivity activity=(GoodsActivity) getActivity();
         //获取Activty中的标题
         title=activity.getTilte();
         //获取Activty中的标题和内容
         contents=activity.getSettingText();
+        images=activity.getSetImage();
         if (view!=null){
             init();
         }
@@ -39,10 +42,11 @@ public class TitleFragment extends Fragment {
             @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())
+                com.example.Cat.activity.activity.ContentFragment content=(com.example.Cat.activity.activity.ContentFragment)((GoodsActivity)getActivity())
                         .getSupportFragmentManager().findFragmentById(R.id.setcontent);
                 content.setText(contents[i]);
-
+                content.imageView.findViewById(R.id.icon11);
+                content.imageView.setImageResource(images[i]);
             }
         });
         return view;

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

@@ -56,12 +56,9 @@ public class UserActivity extends Activity implements View.OnClickListener{
     @Override
     public void onClick(View v) {
         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);
+                Intent intent2 = new Intent(this,GoodsActivity.class);
                 startActivity(intent2);
                 break;
         }

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

@@ -1,20 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    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=".activity.activity.MainActivity">
+    android:orientation="horizontal"
+    tools:context=".activity.activity.GoodsActivity">
+
+    <!--标题-->
+    <!--内容-->
+    <FrameLayout
+        android:id="@+id/settitle"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:background="#FFE4B5"
+        android:layout_weight="1"></FrameLayout>
+
+    <FrameLayout
+        android:id="@+id/setcontent"
+        android:layout_width="0dp"
+        android:layout_weight="3"
+        android:background="#FFFACD"
+        android:layout_height="match_parent">
+    </FrameLayout>
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="脐橙销售"
-        android:textSize="20dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>

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

@@ -9,15 +9,24 @@
     <TextView
         android:id="@+id/show_title"
         android:layout_width="match_parent"
+        android:gravity="center"
         android:layout_height="wrap_content"
-        android:textSize="20sp"
+        android:textSize="25sp"
-        android:text="显示新闻标题" />
+        android:text="显示商品名称" />
     <TextView
         android:id="@+id/show_content"
         android:layout_width="match_parent"
-        android:layout_marginTop="20dp"
+        android:layout_marginTop="30dp"
+        android:gravity="center"
         android:layout_height="wrap_content"
-        android:textSize="16sp"
+        android:textSize="20sp"
-        android:text="显示新闻内容" />
+        android:text="显示介绍内容" />
+    <ImageView
+        android:id="@+id/icon11"
+        android:layout_gravity="center"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        android:src="@drawable/maoliang"
+        />
 
 </LinearLayout>

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

@@ -1,10 +0,0 @@
-<?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

@@ -1,6 +0,0 @@
-<?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

@@ -1,26 +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"
-    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

@@ -6,5 +6,7 @@
         android:id="@+id/titles"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:textSize ="16sp"/>
+        android:layout_gravity="center"
+        android:layout_marginTop="5dp"
+        android:textSize ="20sp"/>
 </LinearLayout>

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

@@ -9,7 +9,8 @@
     <ListView
         android:id="@+id/titlelist"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        >
     </ListView>