ReminderActivity.java

package com.godoro.androiddevices;

import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;


public class ReminderActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_reminder);
    }

    public void onClickSetReminder(View view) {
        long interval=9000;
        long time=System.currentTimeMillis()+interval;

        Intent intent = new Intent(this, ReminderReceiver.class);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 999, intent, 0);

        AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
        alarmManager.set(AlarmManager.RTC_WAKEUP, time, pendingIntent);

        String message=String.format("Uyarı %d saniye sonrasına ayarlandı",interval/1000);
        Toast.makeText(this, message, Toast.LENGTH_LONG).show();
    }
}