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王宏雷
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‎.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎app/.gitignore

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/build

‎app/build.gradle

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plugins {
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id 'com.android.application'
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}
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android {
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compileSdkVersion 29
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defaultConfig {
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applicationId "com.whl.toutiaothumb"
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minSdkVersion 21
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targetSdkVersion 29
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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dependencies {
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implementation 'androidx.appcompat:appcompat:1.2.0'
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implementation 'com.google.android.material:material:1.2.1'
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implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
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implementation 'androidx.navigation:navigation-fragment:2.3.1'
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implementation 'androidx.navigation:navigation-ui:2.3.1'
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.2'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/whl/toutiaothumb/ExampleInstrumentedTest.java

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

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.whl.toutiaothumb">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Toutiaothumb">
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name"
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android:theme="@style/Theme.Toutiaothumb.NoActionBar">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/whl/toutiaothumb/FirstFragment.java

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package com.whl.toutiaothumb;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import androidx.navigation.fragment.NavHostFragment;
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public class FirstFragment extends Fragment {
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState
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) {
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// Inflate the layout for this fragment
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return inflater.inflate(R.layout.fragment_first, container, false);
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}
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public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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view.findViewById(R.id.button_first).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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NavHostFragment.findNavController(FirstFragment.this)
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.navigate(R.id.action_FirstFragment_to_SecondFragment);
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}
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});
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}
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}

‎app/src/main/java/com/whl/toutiaothumb/MainActivity.java

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package com.whl.toutiaothumb;
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import android.media.Image;
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import android.os.Bundle;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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import com.google.android.material.snackbar.Snackbar;
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import com.whl.toutiaothumb.View.ArticleRl;
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import com.whl.toutiaothumb.View.ArticleThumb;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.appcompat.widget.Toolbar;
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import android.view.View;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.widget.ImageView;
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public class MainActivity extends AppCompatActivity {
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private ImageView ivThumb;
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private ArticleRl articleThumbRl;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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ivThumb = findViewById(R.id.ivThumb);
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articleThumbRl = findViewById(R.id.articleThumbRl);
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ivThumb.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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articleThumbRl.setVisibility(View.VISIBLE);
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articleThumbRl.setThumb(true);
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}
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});
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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// Inflate the menu; this adds items to the action bar if it is present.
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getMenuInflater().inflate(R.menu.menu_main, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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// Handle action bar item clicks here. The action bar will
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// automatically handle clicks on the Home/Up button, so long
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// as you specify a parent activity in AndroidManifest.xml.
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int id = item.getItemId();
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//noinspection SimplifiableIfStatement
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if (id == R.id.action_settings) {
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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}

‎app/src/main/java/com/whl/toutiaothumb/SecondFragment.java

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package com.whl.toutiaothumb;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import androidx.navigation.fragment.NavHostFragment;
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public class SecondFragment extends Fragment {
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState
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) {
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// Inflate the layout for this fragment
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return inflater.inflate(R.layout.fragment_second, container, false);
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}
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public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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view.findViewById(R.id.button_second).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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NavHostFragment.findNavController(SecondFragment.this)
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.navigate(R.id.action_SecondFragment_to_FirstFragment);
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}
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});
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}
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}

‎app/src/main/java/com/whl/toutiaothumb/View/ArticleRl.java

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package com.whl.toutiaothumb.View;
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import android.content.Context;
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import android.graphics.Paint;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.ViewGroup;
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import android.widget.RelativeLayout;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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/**
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* author honglei92
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* date 2021/1/9
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*/
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public class ArticleRl extends RelativeLayout {
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private static final String TAG = "ArticleThumb";
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private long lastClickTime;
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private Context mContext;
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public ArticleRl(Context context) {
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this(context, null);
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}
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public ArticleRl(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public ArticleRl(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context);
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mContext = context;
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}
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private void init(Context context) {
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addThumbImage(context);
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}
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private void addThumbImage(Context context) {
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List<Integer> list = new ArrayList<>();
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for (int i = 0; i < 5; i++) {
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list.add(i);
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}
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Collections.shuffle(list);
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for (int i = 0; i < 5; i++) {
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LayoutParams layoutParams = new LayoutParams(100, 100);
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layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
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layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
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switch (list.get(i)) {
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case 1:
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this.addView(new ArticleThumb1(context), layoutParams);
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break;
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case 2:
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this.addView(new ArticleThumb2(context), layoutParams);
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break;
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case 3:
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this.addView(new ArticleThumb3(context), layoutParams);
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break;
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case 4:
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this.addView(new ArticleThumb4(context), layoutParams);
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break;
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default:
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this.addView(new ArticleThumb(context), layoutParams);
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}
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}
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}
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public ArticleRl(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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public void setThumb(boolean isThumb) {
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if (System.currentTimeMillis() - lastClickTime > 800) {
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lastClickTime = System.currentTimeMillis();
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for (int i = 0; i < 5; i++) {
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if (getChildAt(i) instanceof ArticleThumb)
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((ArticleThumb) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb1)
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((ArticleThumb1) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb2)
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((ArticleThumb2) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb3)
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((ArticleThumb3) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb4)
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((ArticleThumb4) getChildAt(i)).setThumb(true);
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}
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} else {
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Log.i(TAG, "当前动画化正在执行");
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addThumbImage(mContext);
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for (int i = getChildCount() - 5; i < getChildCount(); i++) {
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if (getChildAt(i) instanceof ArticleThumb)
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((ArticleThumb) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb1)
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((ArticleThumb1) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb2)
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((ArticleThumb2) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb3)
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((ArticleThumb3) getChildAt(i)).setThumb(true);
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else if (getChildAt(i) instanceof ArticleThumb4)
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((ArticleThumb4) getChildAt(i)).setThumb(true);
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}
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}
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}
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}

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