我尝试在启动时启动服务,但是从不启动服务。我在接收器的意图过滤器中添加了<action android:name="android.intent.action.ACTION_POWER_CONNECTED"/>
,但是当我将android 8.0手机连接到电源时,它也不起作用。
清单:
<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.madmagic.oqrpc">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"
tools:ignore="ProtectedPermissions" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<application
android:usesCleartextTraffic="true"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".MainService" />
<receiver
android:name=".StartAtBoot">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<action android:name="android.intent.action.ACTION_POWER_CONNECTED"/>
</intent-filter>
</receiver>
</application>
</manifest>
StartAtBoot:
public class StartAtBoot extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "received", Toast.LENGTH_LONG).show(); //this never shows up when connecting to power
Intent i = new Intent(context, MainService.class);
context.startService(i);
}
}
MainService:
public class MainService extends Service {
public static boolean isRunning = false;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
isRunning = true;
Toast.makeText(this, "Service started", Toast.LENGTH_LONG).show();
ConnectionChecker.run(this); //when device has wifi connection, this will run connected() method
}
@Override
public void onDestroy() {
isRunning = false;
}
public void connected() {
//things to do when it has wifi connection
}
}
在我的MainActivity
类中,我以与在我的StartAtBoot
类中相同的方式启动了此服务,并且在打开应用程序时它可以正常工作。因此,该服务运行良好,只是StartAtBoot
类未运行代码。
ACTION_POWER_CONNECTED
不是隐式listed exception广播的限制的Intent
。您的应用无法在清单中进行注册。如果您的目标是定期进行工作,但仅在设备通电时,请使用JobScheduler
或WorkManager
。