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Android实现微信自动抢红包的程序

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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
<?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

```java
<RelativeLayout xmlns:android="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">

    <Button
        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"/>

</RelativeLayout>

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

None

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