Android开发-进阶:实现微信自动抢红包的程序

简单实现了微信自动抢红包的服务，原理就是根据关键字找到相应的View, 然后自动点击。主要是用到AccessibilityService这个辅助服务，基本可以满足自动抢红包的功能，但是有些逻辑需要优化，比如，拆完一个红包后，必须手动点击返回键，才能进行下一次自动抢红包。

AndroidManifest.xml

 xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.jackie.webchatenvelope" >

     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

                 <category android:name="android.intent.category.LAUNCHER" />
             intent-filter>
         activity>

         <service
             android:enabled="true"
             android:exported="true"
             android:label="@string/app_name"
             android:name=".EnvelopeService"
             android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
             <intent-filter>
                 <action android:name="android.accessibilityservice.AccessibilityService"/>
             intent-filter>
             <meta-data
                 android:name="android.accessibilityservice"
                 android:resource="@xml/envelope_service_config"/>
         service>
     application>

 manifest>

envelope_service_config.xml

 xml version="1.0" encoding="utf-8"?>
 <accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
     android:accessibilityEventTypes="typeNotificationStateChanged|typeWindowStateChanged"
     android:accessibilityFeedbackType="feedbackGeneric"
     android:accessibilityFlags=""
     android:canRetrieveWindowContent="true"
     android:description="@string/accessibility_description"
     android:notificationTimeout="100"
     android:packageNames="com.tencent.mm" />

activity_main.xml

 "http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:paddingBottom="@dimen/activity_vertical_margin"
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context=".MainActivity">


         android:id="@+id/start"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:padding="10dp"
         android:layout_centerInParent="true"
         android:textSize="18sp"
         android:text="打开辅助服务"/>

MainActivity.java

 package com.jackie.webchatenvelope;

 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Button;
 import android.widget.Toast;

 public class MainActivity extends Activity {
     private Button startBtn;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         startBtn = (Button) findViewById(R.id.start);
         startBtn.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 try {
                     //打开系统设置中辅助功能
                     Intent intent = new Intent(android.provider.Settings.ACTION_ACCESSIBILITY_SETTINGS);
                     startActivity(intent);
                     Toast.makeText(MainActivity.this, "找到抢红包，然后开启服务即可", Toast.LENGTH_LONG).show();
                 } catch (Exception e) {
                     e.printStackTrace();
                 }
             }
         });
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.menu_main, menu);
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         // Handle action bar item clicks here. The action bar will
         // automatically handle clicks on the Home/Up button, so long
         // as you specify a parent activity in AndroidManifest.xml.
         int id = item.getItemId();

         //noinspection SimplifiableIfStatement
         if (id == R.id.action_settings) {
             return true;
         }

         return super.onOptionsItemSelected(item);
     }
 }

EnvelopeService.java

 package com.jackie.webchatenvelope;

 import android.accessibilityservice.AccessibilityService;
 import android.annotation.TargetApi;
 import android.app.Notification;
 import android.app.PendingIntent;
 import android.os.Build;
 import android.os.Handler;
 import android.util.Log;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.Toast;

 import java.util.List;

 /**
  * Created by Administrator
  *
  * 抢红包外挂服务
  */
 public class EnvelopeService extends AccessibilityService {

     static final String TAG = "Jackie";

     /**
      * 微信的包名
      */
     static final String WECHAT_PACKAGENAME = "com.tencent.mm";
     /**
      * 红包消息的关键字
      */
     static final String ENVELOPE_TEXT_KEY = "[微信红包]";

     Handler handler = new Handler();

     @Override
     public void onAccessibilityEvent(AccessibilityEvent event) {
         final int eventType = event.getEventType();

         Log.d(TAG, "事件---->" + event);

         //通知栏事件
         if (eventType == AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED) {
             List texts = event.getText();
             if (!texts.isEmpty()) {
                 for (CharSequence t : texts) {
                     String text = String.valueOf(t);
                     if (text.contains(ENVELOPE_TEXT_KEY)) {
                         openNotification(event);
                         break;
                     }
                 }
             }
         } else if (eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
             openEnvelope(event);
         }
     }

     /*@Override
     protected boolean onKeyEvent(KeyEvent event) {
         //return super.onKeyEvent(event);
         return true;
     }*/

     @Override
     public void onInterrupt() {
         Toast.makeText(this, "中断抢红包服务", Toast.LENGTH_SHORT).show();
     }

     @Override
     protected void onServiceConnected() {
         super.onServiceConnected();
         Toast.makeText(this, "连接抢红包服务", Toast.LENGTH_SHORT).show();
     }

     private void sendNotificationEvent() {
         AccessibilityManager manager = (AccessibilityManager) getSystemService(ACCESSIBILITY_SERVICE);
         if (!manager.isEnabled()) {
             return;
         }
         AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
         event.setPackageName(WECHAT_PACKAGENAME);
         event.setClassName(Notification.class.getName());
         CharSequence tickerText = ENVELOPE_TEXT_KEY;
         event.getText().add(tickerText);
         manager.sendAccessibilityEvent(event);
     }

     /**
      * 打开通知栏消息
      */
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void openNotification(AccessibilityEvent event) {
         if (event.getParcelableData() == null || !(event.getParcelableData() instanceof Notification)) {
             return;
         }
         //以下是精华，将微信的通知栏消息打开
         Notification notification = (Notification) event.getParcelableData();
         PendingIntent pendingIntent = notification.contentIntent;
         try {
             pendingIntent.send();
         } catch (PendingIntent.CanceledException e) {
             e.printStackTrace();
         }
     }

     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void openEnvelope(AccessibilityEvent event) {
         if ("com.tencent.mm.plugin.luckymoney.ui.LuckyMoneyReceiveUI".equals(event.getClassName())) {
             //点中了红包，下一步就是去拆红包
             checkKey1();
         } else if ("com.tencent.mm.plugin.luckymoney.ui.LuckyMoneyDetailUI".equals(event.getClassName())) {
             //拆完红包后看详细的纪录界面
             //nonething
         } else if ("com.tencent.mm.ui.LauncherUI".equals(event.getClassName())) {
             //在聊天界面,去点中红包
             checkKey2();
         }
     }

     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void checkKey1() {
         AccessibilityNodeInfo nodeInfo = getRootInActiveWindow();
         if (nodeInfo == null) {
             Log.w(TAG, "rootWindow为空");
             return;
         }
         List list = nodeInfo.findAccessibilityNodeInfosByText("拆红包");
         for (AccessibilityNodeInfo n : list) {
             n.performAction(AccessibilityNodeInfo.ACTION_CLICK);
         }
     }

     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void checkKey2() {
         AccessibilityNodeInfo nodeInfo = getRootInActiveWindow();
         if (nodeInfo == null) {
             Log.w(TAG, "rootWindow为空");
             return;
         }
         List list = nodeInfo.findAccessibilityNodeInfosByText("领取红包");
         if (list.isEmpty()) {
             list = nodeInfo.findAccessibilityNodeInfosByText(ENVELOPE_TEXT_KEY);
             for (AccessibilityNodeInfo n : list) {
                 Log.i(TAG, "-->微信红包:" + n);
                 n.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                 break;
             }
         } else {
             //最新的红包领起
             for (int i = list.size() - 1; i >= 0; i--) {
                 AccessibilityNodeInfo parent = list.get(i).getParent();
                 Log.i(TAG, "-->领取红包:" + parent);
                 if (parent != null) {
                     parent.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                     break;
                 }
             }
         }
     }
 }