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私は、ユーザがサイレントモードでデバイスを設定するための時間を入力し、タイマーが終了すると通常に戻ることのできるアプリケーションを開発中です。これまでは、デバイスをサイレントモードで通常モードに戻すことができますが、サイレントモードがアクティブになるまでに遅延があり、遅延は約10〜15秒です。なぜサイレントモードが遅れて起動されたのかわかりません。以下は私のstart（）とend（）の時間関数のコードです。サイレントデバイスでの遅延
開始（）：
public void start()
{
Calendar cal=Calendar.getInstance();
// simpleDateFormat=new SimpleDateFormat("hh:mm a");
Date date = new Date();
//String time=simpleDateFormat.format(date);
int hour=cal.get(Calendar.HOUR);
int minute=cal.get(Calendar.MINUTE);
timePickerDialog=new TimePickerDialog(MainActivity.this, new
TimePickerDialog.OnTimeSetListener()
{
@Override
public void onTimeSet(TimePicker view, final int hourOfDay1,final int minute1) {
Time time = new Time(hourOfDay1, minute1,0);
GregorianCalendar j2=new GregorianCalendar(hourOfDay1,minute1,0);
System.out.println(j2);
//little h uses 12 hour format and big H uses 24 hour format
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("h:mm a");
//format takes in a Date, and Time is a sublcass of Date
String s = simpleDateFormat.format(time);
start.setText(s);
//dp.getDayOfMonth();
Calendar calNow = Calendar.getInstance();
Calendar calSet = (Calendar) calNow.clone();
calSet.set(Calendar.HOUR_OF_DAY, hourOfDay1);
calSet.set(Calendar.MINUTE, minute1);
Toast.makeText(MainActivity.this,"Starting Pending intent started",Toast.LENGTH_LONG).show();
//final int _id = (int) System.currentTimeMillis();
Intent intent = new Intent(getBaseContext(), SilenceBroadCastReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(getBaseContext(), RQS_1, intent, 0);
AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP, calNow.getTimeInMillis(), pendingIntent);
//final long sttimer=((shour)*60*60*1000)+((sminute)*60*1000);
}
},hour,minute,false);
timePickerDialog.setTitle("Set Start time");
timePickerDialog.show();
}
端（）
解決public void end(){
Calendar cal1=Calendar.getInstance();
//simpleDateFormat1=new SimpleDateFormat("hh:mm a");
Date date1 = new Date();
//String time=simpleDateFormat1.format(date1);
int hour=cal1.get(Calendar.HOUR);
int minute=cal1.get(Calendar.MINUTE);
secondtimepickerdialog=new TimePickerDialog(MainActivity.this, new
TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, final int hourOfDay1,final int minute1) {
Time time = new Time(hourOfDay1, minute1,0);
GregorianCalendar j3=new GregorianCalendar(hourOfDay1,minute1,0);
//little h uses 12 hour format and big H uses 24 hour format
SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("h:mm a");
//format takes in a Date, and Time is a sublcass of Date
String s1 = simpleDateFormat1.format(time);
end.setText(s1);
Calendar calNow1 = Calendar.getInstance();
Calendar calSet1 = (Calendar) calNow1.clone();
calSet1.set(Calendar.HOUR_OF_DAY, hourOfDay1);
calSet1.set(Calendar.MINUTE, minute1);
Toast.makeText(MainActivity.this,"End Pending intent started",Toast.LENGTH_LONG).show();
Intent intent = new Intent(getBaseContext(), UnsilenceBroadcastReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(getBaseContext(), RQS_2, intent, PendingIntent.FLAG_ONE_SHOT);
AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP, j3.getTimeInMillis(), pendingIntent);
//final long sttimer=((shour)*60*60*1000)+((sminute)*60*1000);
}
},hour,minute,false);
secondtimepickerdialog.setTitle("Set End time");
secondtimepickerdialog.show();
}