1-) Android RMOS - Alarm Manager kullanımı

public class AlarmController {
    Context context;
    public AlarmManager alarmManager;
    public PendingIntent pendingIntent;
    Intent intent1 = null;
    AlarmDataController alarmDataController;
    public static int saniye = 15;
    public void alarmBaslat(Context context) {
        this.context = context;

intent1 = new Intent(context, Restarter.class);

pendingIntent = PendingIntent.getBroadcast(context, 100, intent1, 0);
alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
//  alarmManager.set(AlarmManager.RTC_WAKEUP,System.currentTimeMillis()+(saniye*1000),pendingIntent); // önceki kodumuz

if (Build.VERSION.SDK_INT < 23) {
    if (Build.VERSION.SDK_INT >= 19) {
        alarmManager.setExact(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + (saniye * 1000), pendingIntent);
    } else {
        alarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + (saniye * 1000), pendingIntent);
    }
} else {
    alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + (saniye * 1000), pendingIntent);
}
}

RESTARTER.JAVA

package com.ramzey.doviz.ui.notifications.AlarmKur;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import com.ramzey.doviz.Genel;
public class Restarter extends BroadcastReceiver {
    Context context;
    AlarmController alarmController = new AlarmController();
    @Override
    public void onReceive(Context context, Intent ıntent) {
        if (!Genel.isAktifAlarm(context)){
            return;
        }
        this.context = context;
        alarmController.alarmBaslat(context);
    }
}

BOOTNOTİFİCATİONRECEVEİVER.JAVA

package com.ramzey.doviz.ui.notifications.AlarmKur;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import com.ramzey.doviz.Genel;
public class BootNotificationReceiver extends BroadcastReceiver {// TEL RESTART
    Context context;
    @Override
    public void onReceive(Context context, Intent ıntent) {
        this.context = context;
        if (!Genel.isAktifAlarm(context)){
            return;
        }
        Genel.alarmController = new AlarmController();
        Genel.alarmController.alarmBaslat(context);
    }
}

MANİFEST.XML

<receiver
    android:name=".ui.notifications.AlarmKur.Restarter"
    android:enabled="true"
    android:exported="true">

    <receiver
        android:name=".ui.notifications.AlarmKur.BootNotificationReceiver"
        android:enabled="true"
        android:exported="true"
        >
        <intent-filter >
            <action android:name="android.intent.action.BOOT_COMPLETED"/>
            <category android:name="android.intent.category.DEFAULT"/>
        </intent-filter>
    </receiver>

    <receiver
        android:name=".ui.notifications.AlarmKur.Restarter"
        android:enabled="true"
        android:exported="true">

    </receiver>



</application>

public void cihazUyandir() {
    PowerManager pm = (PowerManager) context
            .getSystemService(Context.POWER_SERVICE);
    PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "AppName:tag");
    wl.acquire();
    // KODLARINI BURAYA YAZ.

    wl.release();
}