App的开机自启动可以通过注册广播接收器接收开机广播来实现,具体步骤如下:
1.创建BroadcastReceiver 的派生类,并重写onReceive() 函数:
1 /** 2 * Created by Haoye on /3/8. 3 * Copyright © Haoye All Rights Reserved 4 */ 5 public class BootReceiver extends BroadcastReceiver { 6 7@Override 8public void onReceive(Context context, Intent intent) { 9 Intent startIntent = new Intent(context, MainActivity.class);10 startIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);11 startIntent.setAction(Intent.ACTION_MAIN);12 startIntent.addCategory(Intent.CATEGORY_LAUNCHER);13 14 context.startActivity(startIntent);15}16 }
2. 在AndroidManifest.xml 文件中注册广播接收器:
1 <receiver android:name=".BootReceiver" android:enabled="true">2<intent-filter>3 <action android:name="android.intent.action.BOOT_COMPLETED"/>4 5 <category android:name="android.intent.category.HOME"/>6</intent-filter>7 </receiver>
当然也能在java代码中用registerReceiver()函数注册和添加权限,并在需要取消时用unregisterReceiver()函数取消;
3.在AndroidManifest.xml 文件中添加自启动权限:
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
4.测试:
安装运行-->关闭手机-->启动手机
注意自启动权限有没有被禁止...