1:UploadingService.java
package com.example.service; import com.example.broadcast.AlarmReceiver; import com.example.utils.DateUtil; import android.app.Activity; import android.app.AlarmManager; import android.app.PendingIntent; import android.app.Service; import android.content.Context; import android.content.Intent; import android.os.IBinder; import android.os.SystemClock; public class UploadingService extends Service{ @Override public IBinder onBind(Intent intent) { return null; } @Override public int onStartCommand(Intent intent, int flags, int startId) { //to-do System.out.println("===========:"+DateUtil.getDateByFormat("yyyy-MM-dd HH:mm:ss")); AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE); int seconds = 1000*3; long triggerAtTime = SystemClock.elapsedRealtime()+seconds; Intent i = new Intent(this, AlarmReceiver.class); PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, 0); am.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, pi); return super.onStartCommand(intent, flags, startId); } public static void openService(Context context){ Intent intent = new Intent(context, UploadingService.class); ((Activity)context).startService(intent); } }
2:AlarmReceiver.java
package com.example.broadcast; import com.example.service.UploadingService; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; public class AlarmReceiver extends BroadcastReceiver{ @Override public void onReceive(Context context, Intent intent) { Intent i = new Intent(context, UploadingService.class); context.startService(i); } }
3:MainActivity.java
UploadingService.openService(MainActivity.this);
4:AndroidManifest.xml
<service android:name="com.example.service.UploadingService"/> <receiver android:name="com.example.broadcast.AlarmReceiver"/>
时间: 2024-10-12 18:57:13