feat: 项目初始化

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.myapplication"
+        minSdkVersion 16
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+
+dependencies {
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.navigation:navigation-fragment:2.1.0'
+    implementation 'androidx.navigation:navigation-ui:2.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    //butterknife依赖
+    implementation 'com.jakewharton:butterknife:8.8.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
+
+
+    //网络框架
+    implementation 'com.lzy.net:okgo:3.0.4'
+    implementation 'com.google.code.gson:gson:2.8.5'
+
+
+    //retrofit+rxjava
+    implementation 'com.squareup.retrofit2:retrofit:2.5.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
+    //转换器，请求结果转换成Model
+    implementation 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
+    //配合Rxjava 使用
+    implementation 'io.reactivex.rxjava2:rxjava:2.2.7'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
+
+
+//加载图片的依赖包
+    implementation 'com.github.bumptech.glide:glide:4.8.0'
+}

app/proguard-rules.pro

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+# 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

app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.java

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+package com.example.myapplication;
+
+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.myapplication", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.myapplication">
+
+    <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/AppTheme">
+        <activity android:name=".activity.HomeActivity"></activity>
+        <activity android:name=".activity.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/myapplication/activity/HomeActivity.java

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+package com.example.myapplication.activity;
+
+import android.os.Bundle;
+
+import com.example.myapplication.base.BaseActivity;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.view.View;
+
+import com.example.myapplication.R;
+
+public class HomeActivity extends BaseActivity {
+    @Override
+    protected int getLayout() {
+        return R.layout.activity_home;
+    }
+
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+
+}

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

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+package com.example.myapplication.activity;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+import com.example.myapplication.R;
+import com.example.myapplication.base.BaseActivity;
+
+public class MainActivity extends BaseActivity {
+
+    @Override
+    protected int getLayout() {
+        return R.layout.activity_main;
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+}

app/src/main/java/com/example/myapplication/api/ApiService.java

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+package com.example.myapplication.api;
+
+public interface ApiService {
+}

app/src/main/java/com/example/myapplication/api/UserApplication.java

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+package com.example.myapplication.api;
+
+import android.app.Application;
+
+
+public class UserApplication extends Application {
+    public static UserApplication userApplication;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        userApplication=this;
+    }
+
+    public static UserApplication getUserApplication() {
+        return userApplication;
+    }
+
+
+}

app/src/main/java/com/example/myapplication/base/BaseActivity.java

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+package com.example.myapplication.base;
+
+import android.os.Bundle;
+
+import android.widget.Toast;
+
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.myapplication.api.UserApplication;
+
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
+
+public abstract class BaseActivity extends AppCompatActivity {
+
+    private Unbinder bind;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(getLayout());
+        bind = ButterKnife.bind(this);
+        initMVP();
+        initView();
+        initData();
+        initListener();
+    }
+    protected void toast(String mag){
+        Toast.makeText(UserApplication.getUserApplication(), mag, Toast.LENGTH_SHORT).show();
+    }
+    protected void initMVP() {
+    }
+
+    protected void initListener() {
+
+    }
+
+    protected abstract int getLayout();
+
+    protected void initView() {
+
+    }
+
+    protected void initData() {
+
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        bind.unbind();
+    }
+}

app/src/main/java/com/example/myapplication/base/BaseCallBack.java

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+package com.example.myapplication.base;
+
+public interface BaseCallBack<T> {
+    void onSuccess(T t);
+    void onFail(String error);
+}

app/src/main/java/com/example/myapplication/base/BaseFragment.java

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+package com.example.myapplication.base;
+
+import android.os.Bundle;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
+
+public abstract class BaseFragment extends Fragment {
+
+    private Unbinder bind;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View inflate = inflater.inflate(getLayout(), container, false);
+        bind = ButterKnife.bind(this, inflate);
+        initMvp();
+        initView();
+        initData();
+        return inflate;
+    }
+
+    protected void initMvp() {
+
+    }
+
+    protected abstract int getLayout();
+
+    protected void initData() {
+
+    }
+
+    protected  void initView() {
+
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        bind.unbind();
+    }
+}

app/src/main/java/com/example/myapplication/base/BaseMVPActivity.java

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+package com.example.myapplication.base;
+
+public abstract class BaseMVPActivity <P extends BasePresenter,V extends BaseView> extends BaseActivity{
+    protected  P presenter;
+
+    @Override
+    protected void initMVP() {
+        super.initMVP();
+      presenter=  initMVPPresenter();
+      if (presenter!=null){
+          presenter.setView(initMVPView());
+      }    }
+
+    protected abstract V initMVPView();
+
+    protected abstract P initMVPPresenter();
+
+}

app/src/main/java/com/example/myapplication/base/BaseMVPFragment.java

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+package com.example.myapplication.base;
+
+public abstract class BaseMVPFragment<P extends BasePresenter,V extends BaseView> extends BaseFragment{
+    protected  P presenter;
+
+    @Override
+    protected void initMvp() {
+        super.initMvp();
+        presenter=  initMVPPresenter();
+        if (presenter!=null){
+            presenter.setView(initMVPView());
+        }
+    }
+
+    protected abstract V initMVPView();
+
+    protected abstract P initMVPPresenter();
+
+}

app/src/main/java/com/example/myapplication/base/BaseModel.java

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+package com.example.myapplication.base;
+
+import io.reactivex.disposables.CompositeDisposable;
+
+public abstract class BaseModel {
+    private CompositeDisposable compositeDisposable;
+    public void onDestroy(){
+        if (compositeDisposable!=null){
+            compositeDisposable.clear();
+        }
+    }
+}

app/src/main/java/com/example/myapplication/base/BaseObserver.java

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+package com.example.myapplication.base;
+
+import android.net.ParseException;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.example.myapplication.api.UserApplication;
+import com.google.gson.JsonParseException;
+
+import org.json.JSONException;
+
+import java.io.InterruptedIOException;
+import java.net.ConnectException;
+import java.net.UnknownHostException;
+
+import io.reactivex.subscribers.ResourceSubscriber;
+import retrofit2.HttpException;
+
+public abstract class BaseObserver<T> extends ResourceSubscriber <T> {
+    @Override
+    public void onNext(T t) {
+        onSuccess(t);
+    }
+    public abstract void onSuccess(T t);
+    @Override
+    public void onError(Throwable e) {
+        Log.e("TAG", "error:" + e.getMessage());
+        //对异常进行分类,不同的异常提示用户不同的信息
+        if (e instanceof HttpException) {
+            //   HTTP错误
+            onFail("HTTP错误");
+        } else if (e instanceof ConnectException
+                || e instanceof UnknownHostException) {
+            //   连接错误
+            onFail("连接错误");
+        } else if (e instanceof InterruptedIOException) {
+            //  连接超时
+            onFail("连接超时");
+        } else if (e instanceof JsonParseException
+                || e instanceof JSONException
+                || e instanceof ParseException) {
+            //  解析错误
+            onFail("解析错误");
+        } else {
+            if (e != null) {
+                onFail(e.toString());
+            } else {
+                onFail("未知错误");
+            }
+        }
+    }
+
+    protected  void onFail(String error){
+        Toast.makeText(UserApplication.getUserApplication(), error, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public void onComplete() {
+
+    }
+}

app/src/main/java/com/example/myapplication/base/BasePresenter.java

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+package com.example.myapplication.base;
+
+import java.util.ArrayList;
+
+public abstract class BasePresenter<V extends BaseView> {
+    protected V view;
+    private ArrayList<BaseModel> list=new ArrayList<>();
+    public void setView(V view) {
+        this.view = view;
+    }
+
+    public BasePresenter() {
+        initModel();
+    }
+    public void onDestroy(){
+        view=null;
+        if (list.size()>0){
+            for (BaseModel baseModel : list) {
+                baseModel.onDestroy();
+            }
+            list.clear();
+        }
+    }
+    public void addModel(BaseModel baseModel){
+        list.add(baseModel);
+    }
+    protected abstract void initModel();
+}

app/src/main/java/com/example/myapplication/base/BaseView.java

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+package com.example.myapplication.base;
+
+public interface BaseView<T> {
+    void onSuccess(T t);
+    void onFail(String error);
+}

app/src/main/java/com/example/myapplication/fragment/FindFragment.java

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+package com.example.myapplication.fragment;
+
+import com.example.myapplication.R;
+import com.example.myapplication.base.BaseFragment;
+
+/**
+ * 发现的Fragment
+ * 2021-5-25
+ */
+public class FindFragment extends BaseFragment {
+    @Override
+    protected int getLayout() {
+        return R.layout.find_fragment;
+    }
+
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+}

app/src/main/java/com/example/myapplication/fragment/MineFragment.java

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+package com.example.myapplication.fragment;
+
+import com.example.myapplication.R;
+import com.example.myapplication.base.BaseFragment;
+
+/**
+ * 我的的Fragment
+ * 2021-5-25
+ */
+public class MineFragment extends BaseFragment {
+    @Override
+    protected int getLayout() {
+        return R.layout.mine_fragment;
+    }
+
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+}

app/src/main/java/com/example/myapplication/fragment/RecordFragment.java

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+package com.example.myapplication.fragment;
+
+import com.example.myapplication.R;
+import com.example.myapplication.base.BaseFragment;
+
+/**
+ * 记录的Fragment
+ * 2021-5-25
+ */
+public class RecordFragment extends BaseFragment {
+    @Override
+    protected int getLayout() {
+        return R.layout.record_fragment;
+    }
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+}

app/src/main/java/com/example/myapplication/fragment/TreasureFragment.java

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+package com.example.myapplication.fragment;
+
+import com.example.myapplication.R;
+import com.example.myapplication.base.BaseFragment;
+
+/**
+ * 寻宝的Fragment
+ * 2021-5-25
+ */
+public class TreasureFragment extends BaseFragment {
+    @Override
+    protected int getLayout() {
+        return R.layout.treasure_fragment;
+    }
+
+    @Override
+    protected void initView() {
+        super.initView();
+    }
+
+    @Override
+    protected void initData() {
+        super.initData();
+    }
+}

app/src/main/java/com/example/myapplication/net/DataService.java

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+package com.example.myapplication.net;
+
+import com.lzy.okgo.interceptor.HttpLoggingInterceptor;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.Interceptor;
+import okhttp3.OkHttpClient;
+import retrofit2.Converter;
+import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class DataService {
+
+    private static final long DEFAULT_TIMEOUT = 20000; // 默认超时20s
+    private static Object mApiService;
+
+    private static ArrayList<Interceptor> mInterceptors;
+    private static Converter.Factory mFactor;
+    private static Class mServiceClass;
+    private static String mBaseUrl;
+
+    public static void init(Class aClass, String baseUrl, ArrayList<Interceptor> interceptor, Converter.Factory factor) {
+        mServiceClass = aClass;
+        mBaseUrl = baseUrl;
+        mInterceptors = interceptor;
+        mFactor = factor;
+
+    }
+
+    public static void init(Class aClass, String baseUrl, ArrayList<Interceptor> interceptor) {
+        init(aClass, baseUrl, interceptor, null);
+
+    }
+
+    public static void init(Class aClass, String baseUrl, Converter.Factory factor) {
+        init(aClass, baseUrl, null, factor);
+
+    }
+
+    public static void init(Class aClass, String baseUrl) {
+        init(aClass, baseUrl, null, null);
+
+    }
+
+    public static synchronized Object getApiService() {
+
+        if (mServiceClass == null) {
+            throw new NullPointerException("在调用 DataService 的 getApiService 之前必须调用 init 方法惊喜初始化");
+        }
+
+        if (mApiService == null) {
+            OkHttpClient.Builder builder = new OkHttpClient.Builder();
+            if (mInterceptors != null && mInterceptors.size() > 0) {
+                for (Interceptor interceptor : mInterceptors) {
+                    builder.addInterceptor(interceptor);
+                }
+            }
+
+            builder.connectTimeout(DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS)
+                    .writeTimeout(DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS)
+                    .readTimeout(DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS)
+                    .build();
+
+            Retrofit retrofit = new Retrofit.Builder()
+                    .client(builder.build())
+                    .addConverterFactory(mFactor == null ? GsonConverterFactory.create() : mFactor) // 帮我们把json 窜转为 entity 对象
+                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create()) // 结合 rxjava 使用
+                    .baseUrl(mBaseUrl)
+                    .build();
+
+            mApiService = retrofit.create(mServiceClass);
+        }
+
+        return mApiService;
+    }
+}

app/src/main/java/com/example/myapplication/util/NoSlideViewPager.java

@@ -0,0 +1,64 @@
+package com.example.myapplication.util;
+
+import android.content.Context;
+
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.ViewPager;
+
+//自定义不可滑动的VI
+public class NoSlideViewPager extends ViewPager {
+    // 定义一个是否可以滑动的boolean 值
+    private boolean isCanScroll = false;
+
+    public NoSlideViewPager(@NonNull Context context) {
+        super(context);
+    }
+
+    public NoSlideViewPager(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+
+    // 滑动到指定位置
+    @Override
+    public void scrollTo(int x, int y) {
+        super.scrollTo(x, y);
+    }
+
+    // 触摸事件
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        if (isCanScroll) {
+            return super.onTouchEvent(ev);
+        } else {
+            return false;
+        }
+    }
+
+    // 设置当前显示的布局
+    @Override
+    public void setCurrentItem(int item) {
+        super.setCurrentItem(item);
+    }
+
+    // 设置当前显示的布局，并定义滑动方式
+    @Override
+    public void setCurrentItem(int item, boolean smoothScroll) {
+        super.setCurrentItem(item, smoothScroll);
+    }
+
+
+    // 拦截触摸事件
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        if (isCanScroll) {
+            return super.onInterceptTouchEvent(ev);
+        } else {
+            return false;
+        }
+    }
+}

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

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+<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>

app/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>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.HomeActivity">
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/ic_launcher_background"
+    tools:context=".activity.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="启动页"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="发现的Fragment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

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

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

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="记录的Fragment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_launcher_foreground" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

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

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

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

app/src/main/res/navigation/nav_graph.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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:id="@+id/nav_graph"
+    app:startDestination="@id/FirstFragment">
+
+    <fragment
+        android:id="@+id/FirstFragment"
+        android:name="com.example.myapplication.activity.FirstFragment"
+        android:label="@string/first_fragment_label"
+        tools:layout="@layout/fragment_first">
+
+        <action
+            android:id="@+id/action_FirstFragment_to_SecondFragment"
+            app:destination="@id/SecondFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/SecondFragment"
+        android:name="com.example.myapplication.activity.SecondFragment"
+        android:label="@string/second_fragment_label"
+        tools:layout="@layout/fragment_second">
+
+        <action
+            android:id="@+id/action_SecondFragment_to_FirstFragment"
+            app:destination="@id/FirstFragment" />
+    </fragment>
+</navigation>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#6200EE</color>
+    <color name="colorPrimaryDark">#3700B3</color>
+    <color name="colorAccent">#03DAC5</color>
+</resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,12 @@
+<resources>
+    <string name="app_name">MyApplication</string>
+    <string name="title_activity_home">HomeActivity</string>
+    <!-- Strings used for fragments for navigation -->
+    <string name="first_fragment_label">First Fragment</string>
+    <string name="second_fragment_label">Second Fragment</string>
+    <string name="next">Next</string>
+    <string name="previous">Previous</string>
+
+    <string name="hello_first_fragment">Hello first fragment</string>
+    <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,19 @@
+<resources>
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>

app/src/test/java/com/example/myapplication/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.myapplication;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}