android_48_BroadcastReceiver_开机启动

最新推荐文章于 2025-08-14 19:04:22 发布

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最新推荐文章于 2025-08-14 19:04:22 发布

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分类专栏： # Android_Broadcast Receiver 文章标签： android broadcastreceiver 开机启动

本文链接：https://blog.youkuaiyun.com/pre_eminent/article/details/54291502

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本文介绍了一种通过广播接收器实现应用开机自启动的方法。关键步骤包括：在AndroidManifest.xml中申请接收开机完成广播的权限，定义BootCompletedReceiver类继承BroadcastReceiver并重写onReceive方法来启动MainActivity。此外，文章还提供了MainActivity的基本框架。

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效果:

清单:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.sg31.bootcompleted"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="21" />

    // 注意权限
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
    
    <application
        android:allowBackup="true"
        android:icon="@drawable/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>
        
        // 配置广播接收者 
        <receiver android:name=".BootCompletedReceiver">
            <intent-filter >
                <action android:name="android.intent.action.BOOT_COMPLETED"/>
            </intent-filter>
        </receiver>
        
    </application>

</manifest>

布局:

广播接收者:

package com.sg31.bootcompleted;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class BootCompletedReceiver extends BroadcastReceiver {
	@Override
	public void onReceive(Context context, Intent intent) {
		// 启动Activity，实现开机自动启动勒索软件
        Intent it = new Intent(context, MainActivity.class);
        // 核心代码:创建任务栈存放启动的Activity
        // 因为是在一个activity的上下文之外,启动的activity,所以要flag新建一个任务栈
        it.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(it);
	}
}

主控制器:

package com.sg31.bootcompleted;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;


public class MainActivity extends ActionBarActivity {

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


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.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();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
    
    
    // 核心代码:使返回键失效
    public void onBackPressed() {
//    	super.onBackPressed();
    }
    
    
    
}