初版基本功能界面

build.gradle.kts

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+plugins {
+    id("com.android.application")
+}
+
+android {
+    namespace = "com.example.liyueling_final"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.liyueling_final"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("com.google.android.material:material:1.9.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.legacy:legacy-support-v4:1.0.0")
+    implementation("androidx.annotation:annotation:1.6.0")
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.6.1")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1")
+    testImplementation("junit:junit:4.13.2")
+    implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.8.0"))
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    implementation ("io.github.youth5201314:banner:2.2.3")
+    implementation ("com.github.bumptech.glide:glide:4.15.1")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    implementation ("com.geyifeng.immersionbar:immersionbar:3.2.2")
+    implementation ("com.geyifeng.immersionbar:immersionbar-components:3.2.2")
+}

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

src/androidTest/java/com/example/liyueling_final/ExampleInstrumentedTest.java

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

src/main/AndroidManifest.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Liyueling">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

src/main/java/com/example/liyueling_final/Chat.java

@@ -0,0 +1,9 @@
+package com.example.liyueling_final;
+
+public class Chat {
+    int img;
+    String date;
+    String name;
+    String time;
+    String text;
+}

src/main/java/com/example/liyueling_final/MainActivity.java

@@ -0,0 +1,93 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintLayout;
+
+public class MainActivity extends AppCompatActivity {
+
+    StudyFragment studyFragment = new StudyFragment();
+    UserFragment userFragment = new UserFragment();
+    TypeFragment typeFragment = new TypeFragment();
+    MainFragment mainFragment = new MainFragment();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.constraintLayoutmainmajor,studyFragment)
+                .commit();
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.constraintLayoutmainmajor,userFragment)
+                .commit();
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.constraintLayoutmainmajor,typeFragment)
+                .commit();
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.constraintLayoutmainmajor,mainFragment)
+                .commit();
+
+        getSupportFragmentManager().beginTransaction()
+                .show(mainFragment).hide(typeFragment).hide(userFragment).hide(studyFragment)
+                .commit();
+
+
+        ConstraintLayout constraintLayout = findViewById(R.id.constraintLayout1);
+        ConstraintLayout constraintLayout2 = findViewById(R.id.constraintLayout2);
+        ConstraintLayout constraintLayout3 = findViewById(R.id.constraintLayout3);
+        ConstraintLayout constraintLayout4 = findViewById(R.id.constraintLayout4);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(mainFragment).hide(typeFragment).hide(userFragment).hide(studyFragment)
+                        .commit();
+                constraintLayout.setSelected(true);
+                constraintLayout2.setSelected(false);
+                constraintLayout3.setSelected(false);
+                constraintLayout4.setSelected(false);
+            }
+        });
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(typeFragment).hide(mainFragment).hide(userFragment).hide(studyFragment)
+                        .commit();
+                constraintLayout2.setSelected(true);
+                constraintLayout.setSelected(false);
+                constraintLayout3.setSelected(false);
+                constraintLayout4.setSelected(false);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(studyFragment).hide(typeFragment).hide(mainFragment).hide(userFragment)
+                        .commit();
+                constraintLayout3.setSelected(true);
+                constraintLayout2.setSelected(false);
+                constraintLayout.setSelected(false);
+                constraintLayout4.setSelected(false);
+            }
+        });
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(userFragment).hide(typeFragment).hide(studyFragment).hide(mainFragment)
+                        .commit();
+                constraintLayout4.setSelected(true);
+                constraintLayout2.setSelected(false);
+                constraintLayout3.setSelected(false);
+                constraintLayout.setSelected(false);
+            }
+        });
+    }
+}

src/main/java/com/example/liyueling_final/MainFragment.java

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+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class MainFragment extends Fragment {
+
+    MainexpertFragment mainexpertFragment = new MainexpertFragment();
+    MainhomeFragment mainhomeFragment = new MainhomeFragment();
+    MaingoodFragment maingoodFragment = new MaingoodFragment();
+    MainmajorFragment mainmajorFragment = new MainmajorFragment();
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_main,container,false);
+
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.lay,mainexpertFragment)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.lay,maingoodFragment)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.lay,mainhomeFragment)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.lay,mainmajorFragment)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .show(mainhomeFragment).hide(maingoodFragment).hide(mainexpertFragment).hide(mainmajorFragment)
+                .commit();
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout12);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout11);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout13);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout7);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout16);
+
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), Serch.class);
+                startActivity(intent);
+            }
+        });
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(mainhomeFragment).hide(maingoodFragment).hide(mainexpertFragment).hide(mainmajorFragment)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(maingoodFragment).hide(mainhomeFragment).hide(mainexpertFragment).hide(mainmajorFragment)
+                        .commit();
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(mainmajorFragment).hide(maingoodFragment).hide(mainexpertFragment).hide(mainhomeFragment)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(mainexpertFragment).hide(maingoodFragment).hide(mainhomeFragment).hide(mainmajorFragment)
+                        .commit();
+            }
+        });
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/MainexpertFragment.java

@@ -0,0 +1,19 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+
+public class MainexpertFragment extends Fragment {
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_mainexpert, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/MaingoodFragment.java

@@ -0,0 +1,19 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+public class MaingoodFragment extends Fragment {
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_maingood, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/MainhomeFragment.java

@@ -0,0 +1,18 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+
+public class MainhomeFragment extends Fragment {
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_mainhome, container, false);
+    }
+
+}

src/main/java/com/example/liyueling_final/MainmajorFragment.java

@@ -0,0 +1,20 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+
+public class MainmajorFragment extends Fragment {
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_mainmajor, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/Mess.java

@@ -0,0 +1,9 @@
+package com.example.liyueling_final;
+
+public class Mess {
+    public String text1;
+    public String text2;
+    public String text3;
+    public String img1;
+    public String img2;
+}

src/main/java/com/example/liyueling_final/Serch.java

@@ -0,0 +1,14 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class Serch extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_serch);
+    }
+}

src/main/java/com/example/liyueling_final/Study.java

@@ -0,0 +1,83 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintLayout;
+
+public class Study extends AppCompatActivity {
+
+    Study_mulu study_mulu = new Study_mulu();
+    Study_jieshao study_jieshao = new Study_jieshao();
+    Study_pinglun study_pinglun = new Study_pinglun();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_study);
+
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.con,study_mulu)
+                .commit();
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.con,study_jieshao)
+                .commit();
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.con,study_pinglun)
+                .commit();
+
+
+        getSupportFragmentManager().beginTransaction()
+                .show(study_mulu).hide(study_jieshao).hide(study_pinglun)
+                .commit();
+
+
+        ConstraintLayout constraintLayout = findViewById(R.id.constraintLayout27);
+        ConstraintLayout constraintLayout2 = findViewById(R.id.constraintLayout28);
+        ConstraintLayout constraintLayout3 = findViewById(R.id.constraintLayout29);
+        ConstraintLayout constraintLayout4 = findViewById(R.id.enter);
+        ConstraintLayout constraintLayout5 = findViewById(R.id.back);
+
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(Study.this, ViewStart.class);
+                startActivity(intent);
+            }
+        });
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(study_mulu).hide(study_jieshao).hide(study_pinglun)
+                        .commit();
+            }
+        });
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(study_jieshao).hide(study_mulu).hide(study_pinglun)
+                        .commit();
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getSupportFragmentManager().beginTransaction()
+                        .show(study_pinglun).hide(study_mulu).hide(study_jieshao)
+                        .commit();
+            }
+        });
+    }
+}

src/main/java/com/example/liyueling_final/StudyFragment.java

@@ -0,0 +1,31 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class StudyFragment extends Fragment {
+
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_study, container, false);
+        ConstraintLayout constraintLayout = view.findViewById(R.id.click);
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), Study.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/Study_jieshao.java

@@ -0,0 +1,63 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link Study_jieshao#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class Study_jieshao extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public Study_jieshao() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment Study_jieshao.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static Study_jieshao newInstance(String param1, String param2) {
+        Study_jieshao fragment = new Study_jieshao();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_study_jieshao, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/Study_mulu.java

@@ -0,0 +1,63 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link Study_mulu#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class Study_mulu extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public Study_mulu() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment Study_mulu.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static Study_mulu newInstance(String param1, String param2) {
+        Study_mulu fragment = new Study_mulu();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_study_mulu, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/Study_pinglun.java

@@ -0,0 +1,117 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Study_pinglun extends Fragment {
+    RecyclerView recyclerView;
+    MyAdpater myAdpater;
+    List<Chat> chatList = new ArrayList<>();
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_study_pinglun,container,false);
+
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout7);
+
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), Study_pinglunm.class);
+                startActivity(intent);
+            }
+        });
+
+        String []a= new String[50];
+        a[0]="讲解的非常好非常到位\n特别是小龙老师";
+        a[1]="很不错！";
+        a[2]=" ";
+        int []b ={
+                R.drawable.img_106,
+                R.drawable.img_95,
+                R.drawable.img_11
+        };
+
+
+        for(int i=0;i<5;i++){
+            for (int j = 0; j < 3; j++) {
+                Chat chat = new Chat();
+                chat.img = b[j];
+                chat.text = a[j];
+                if(j==0){
+                    chat.time = "学习"+12+"个课时评论";
+                }else{
+                    chat.time = "学习"+2+"个课时评论";
+                }
+                chatList.add(chat);
+            }
+
+        }
+        recyclerView = view.findViewById(R.id.recyclelerview);
+        myAdpater = new MyAdpater();
+        recyclerView.setAdapter(myAdpater);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+        return view;
+    }
+    public class MyviewHolder extends RecyclerView.ViewHolder{
+        TextView textView;
+        TextView textView2;
+        TextView textView3;
+        TextView textView4;
+        ImageView imageView;
+        ConstraintLayout constraintLayout;
+
+        public MyviewHolder(@NonNull View itemView) {
+            super(itemView);
+            textView = itemView.findViewById(R.id.textView);
+            textView2 = itemView.findViewById(R.id.textView2);
+            textView3 = itemView.findViewById(R.id.textView3);
+            textView4 = itemView.findViewById(R.id.textView157);
+            imageView = itemView.findViewById(R.id.imageView);
+            constraintLayout = itemView.findViewById(androidx.constraintlayout.widget.R.id.constraint);
+        }
+    }
+
+    public class MyAdpater extends RecyclerView.Adapter<MyviewHolder>{
+
+        //加载布局文件
+        @NonNull
+        @Override
+        public MyviewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(getActivity()).inflate(R.layout.chat_item_layout,parent,false);
+            return new MyviewHolder(view);
+        }
+
+        //按需加载
+        @Override
+        public void onBindViewHolder(@NonNull MyviewHolder holder, int position) {
+            holder.textView2.setText(chatList.get(position).time);
+            holder.textView4.setText(chatList.get(position).text);
+            Glide.with(getActivity())
+                    .load(chatList.get(position).img)
+                    .into(holder.imageView);
+        }
+
+        //显示的条数
+        @Override
+        public int getItemCount() {
+            return chatList.size();
+        }
+    }
+}

src/main/java/com/example/liyueling_final/Study_pinglunm.java

@@ -0,0 +1,14 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class Study_pinglunm extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_study_pinglunm);
+    }
+}

src/main/java/com/example/liyueling_final/T1.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T1 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t1, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T2.java

@@ -0,0 +1,94 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T2 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t2, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T3.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T3 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t3, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T4.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T4 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t4, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T5.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T5 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t5, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T6.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T6 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t6, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T7.java

@@ -0,0 +1,95 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T7 extends Fragment {
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t7, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/T8.java

@@ -0,0 +1,96 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class T8 extends Fragment {
+
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_t8, container, false);
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T1.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T2.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T3.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T4.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T5.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T6.class);
+                startActivity(intent);
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T7.class);
+                startActivity(intent);
+            }
+        });
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), T8.class);
+                startActivity(intent);
+            }
+        });
+        // Inflate the layout for this fragment
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/TypeFragment.java

@@ -0,0 +1,154 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.fragment.app.Fragment;
+
+public class TypeFragment extends Fragment {
+    T1 t1 = new T1();
+    T2 t2 = new T2();
+    T3 t3 = new T3();
+    T4 t4 = new T4();
+    T5 t5 = new T5();
+    T6 t6 = new T6();
+    T7 t7 = new T7();
+    T8 t8 = new T8();
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_type,container,false);
+
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t1)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t2)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t3)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t4)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t5)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t6)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t7)
+                .commit();
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .add(R.id.p,t8)
+                .commit();
+
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .show(t4).hide(t1).hide(t3).hide(t2).hide(t5).hide(t6).hide(t7).hide(t8)
+                .commit();
+
+        ConstraintLayout constraintLayout = view.findViewById(R.id.constraintLayout42);
+        ConstraintLayout constraintLayout2 = view.findViewById(R.id.constraintLayout41);
+        ConstraintLayout constraintLayout3 = view.findViewById(R.id.constraintLayout43);
+        ConstraintLayout constraintLayout4 = view.findViewById(R.id.constraintLayout44);
+        ConstraintLayout constraintLayout5 = view.findViewById(R.id.constraintLayout45);
+        ConstraintLayout constraintLayout6 = view.findViewById(R.id.constraintLayout46);
+        ConstraintLayout constraintLayout7 = view.findViewById(R.id.constraintLayout47);
+        ConstraintLayout constraintLayout8 = view.findViewById(R.id.constraintLayout48);
+
+        ConstraintLayout constraintLayout15 = view.findViewById(R.id.constraintLayout15);
+
+        constraintLayout15.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), Serch.class);
+                startActivity(intent);
+            }
+        });
+
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t1).hide(t2).hide(t3).hide(t4).hide(t5).hide(t6).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t2).hide(t1).hide(t3).hide(t4).hide(t5).hide(t6).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+        constraintLayout3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t3).hide(t2).hide(t1).hide(t4).hide(t5).hide(t6).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t4).hide(t2).hide(t3).hide(t1).hide(t5).hide(t6).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+        constraintLayout5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t5).hide(t2).hide(t3).hide(t4).hide(t1).hide(t6).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t6).hide(t1).hide(t3).hide(t4).hide(t5).hide(t2).hide(t7).hide(t8)
+                        .commit();
+            }
+        });
+        constraintLayout7.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t7).hide(t2).hide(t1).hide(t4).hide(t5).hide(t6).hide(t3).hide(t8)
+                        .commit();
+            }
+        });
+
+
+
+        constraintLayout8.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .show(t8).hide(t2).hide(t3).hide(t1).hide(t5).hide(t6).hide(t7).hide(t4)
+                        .commit();
+            }
+        });
+        // Inflate the layout for this fragment
+        return view;
+    }
+}

src/main/java/com/example/liyueling_final/UserFragment.java

@@ -0,0 +1,63 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link UserFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class UserFragment extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public UserFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment UserFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static UserFragment newInstance(String param1, String param2) {
+        UserFragment fragment = new UserFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_user, container, false);
+    }
+}

src/main/java/com/example/liyueling_final/ViewAction.java

@@ -0,0 +1,43 @@
+package com.example.liyueling_final;
+
+import android.os.Bundle;
+import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class ViewAction extends AppCompatActivity {
+    WebView webView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_view_action); // 先设置布局
+
+        webView = findViewById(R.id.webView); // 现在可以安全地查找视图
+
+        // 初始化 WebView 设置
+        WebSettings webSettings = webView.getSettings();
+        webSettings.setJavaScriptEnabled(true); // 允许 JavaScript
+        webSettings.setDomStorageEnabled(true); // 开启 DOM 存储
+
+        // 设置 WebView 客户端
+        webView.setWebViewClient(new WebViewClient());
+        webView.setWebChromeClient(new WebChromeClient());
+
+        // 加载网页
+        String videoUrl = "https://v.qq.com/iframe/player.html?vid=a0514mkz1vk&tiny=0&auto=0";
+        webView.loadUrl(videoUrl);
+    }
+
+    @Override
+    protected void onDestroy() {
+        // 销毁 WebView 防止内存泄漏
+        if (webView != null) {
+            webView.destroy();
+        }
+        super.onDestroy();
+    }
+}

src/main/java/com/example/liyueling_final/ViewStart.java

@@ -0,0 +1,33 @@
+package com.example.liyueling_final;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintLayout;
+
+public class ViewStart extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_view);
+        ConstraintLayout constraintLayout4 = findViewById(R.id.back);
+        ConstraintLayout constraintLayout = findViewById(R.id.startin);
+        constraintLayout4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+               finish();
+            }
+        });
+        constraintLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(ViewStart.this, ViewAction.class);
+                startActivity(intent);
+            }
+        });
+
+    }
+}

src/main/res/drawable/ic_launcher_background.xml

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

src/main/res/drawable/ic_launcher_foreground.xml

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