Android 如何使用alarm manager重复我的服务?
我已经做了一个基于位置的应用程序。现在我需要每30分钟运行一次定位服务。为此,我尝试使用alarm manager,但它只运行了一次我的服务。我需要它每30分钟运行一次 我的代码: gps\u back\u process.java:Android 如何使用alarm manager重复我的服务?,android,alarmmanager,Android,Alarmmanager,我已经做了一个基于位置的应用程序。现在我需要每30分钟运行一次定位服务。为此,我尝试使用alarm manager,但它只运行了一次我的服务。我需要它每30分钟运行一次 我的代码: gps\u back\u process.java: public class gps_back_process extends Service { private static final String TAG = "MyService"; @Override public void onC
public class gps_back_process extends Service
{
private static final String TAG = "MyService";
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
Log.d("Testing", "Service got created");
Toast.makeText(this, "gps_back_process,onCreate();", Toast.LENGTH_LONG).show();
}
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
}
@Override
public void onStart(Intent intent, int startid)
{
Intent intents = new Intent(getBaseContext(),gps.class);
intents.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intents);
Toast.makeText(this, "gps_back_process.onCreate();", Toast.LENGTH_LONG).show();
Log.d(TAG, "onStart");
}
}
gps.java:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
{
Calendar cur_cal = Calendar.getInstance();
cur_cal.setTimeInMillis(System.currentTimeMillis());
cur_cal.add(Calendar.SECOND, 90);
Log.d("Testing", "Calender Set time:" + cur_cal.getTime());
Intent intent = new Intent(gps.this, gps_back_process.class);
Log.d("Testing", "Intent created");
PendingIntent pi = PendingIntent.getService(gps.this, 0, intent, 0);
AlarmManager alarm_manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarm_manager.set(AlarmManager.RTC, cur_cal.getTimeInMillis(), pi);
Log.d("Testing", "alarm manager set");
Toast.makeText(this, "gps_back_process.onCreate()",
Toast.LENGTH_LONG).show();
}
您需要在
AlarmManager
引用上调用方法setRepeating()
,而不是set()方法
这可能会有帮助
AlarmManager alarm_manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarm_manager.setRepeating(AlarmManager.RTC, cur_cal.getTimeInMillis(), 180000, pi);