android 定时重启代码
时间: 2023-08-31 08:10:24 浏览: 245
android定时开关机或重启的代码
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以下是在 Android 中实现定时重启的代码:
1. 创建一个 BroadcastReceiver 类,用于接收定时器广播:
```java
public class RestartReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) {
// 在开机时启动定时器
startTimer(context);
} else if (intent.getAction().equals("restart_app")) {
// 重启应用程序
restartApp(context);
}
}
private void startTimer(Context context) {
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(context, RestartReceiver.class);
intent.setAction("restart_app");
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
// 设置定时器,每隔一天重启一次
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), 24 * 60 * 60 * 1000, pendingIntent);
}
private void restartApp(Context context) {
Intent intent = new Intent(context, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
android.os.Process.killProcess(android.os.Process.myPid());
}
}
```
2. 在 AndroidManifest.xml 文件中注册 BroadcastReceiver:
```xml
<receiver android:name=".RestartReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
```
3. 在 MainActivity 中启动定时器:
```java
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 启动定时器
Intent intent = new Intent(this, RestartReceiver.class);
intent.setAction("restart_app");
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), 24 * 60 * 60 * 1000, pendingIntent);
}
}
```
这样,每隔一天应用程序就会自动重启一次。请注意,由于 killProcess 方法会强制杀死应用程序,因此在使用时应谨慎考虑可能带来的影响。
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