0
我正在为我的应用程序创建一个alerm类型通知,但面临一个空指针error.From对话框片段,AlarmManager指示空。这是我的代码。如何setAlarmManager在Android中的对话框片段
if(alermId>=0){
Log.e("Alerm Id: ",""+alermId);
Intent alermReceiver = new Intent(getActivity(), AlermReceiver.class);
alermReceiver.setAction(DietInformation.ACTION_DIET);
alermReceiver.putExtra("title",titleView.getText());
alermReceiver.putExtra("day",repeatView.getText());
alermReceiver.putExtra("menu",menuView.getText());
PendingIntent pendingIntent = PendingIntent.getBroadcast(getActivity(),alermId,alermReceiver,0);
//ApplicationData.getAlarmManager().setRepeating(AlarmManager.RTC_WAKEUP,reminderTimeInMills,24*60*60*1000*7,pendingIntent);
//ApplicationMain.getAlarmManager().setRepeating(AlarmManager.RTC_WAKEUP,reminderTimeInMills,24*60*60*1000*7,pendingIntent);
//alarmManager =
AlarmClass.getAlarmManager().setRepeating(AlarmManager.RTC_WAKEUP,reminderTimeInMills,24*60*60*1000*7,pendingIntent);
}
而且实例化Alarmanager我创建了一个内部类似如下
static class AlarmClass extends Application{
public static AlarmManager alarmManager;
AlarmClass(){
alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
}
public static AlarmManager getAlarmManager() {
return alarmManager;
}
}
但是应用程序显示了一个空指针错误。像
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.AlarmManager.setRepeating(int, long, long, android.app.PendingIntent)' on a null object reference
at com.softmaker.gazi_opu.personalhealthcare.fragment.CreateDietFragment.setReminder(CreateDietFragment.java:406)
任何人都可以建议我。如何为setRepeating(....)实例化alarmMenager;
我用这种方式试图改变的代码......但它没有工作......另一件事,当我伸出应用,我要补充的onCreate()方法??? – opu