Thread run every 10 second

-----------------yellow lines you add--------------------


-----------------------MainActivity.java-----------------------------------

package com.example.meenakshi.myalarm;
import android.os.Handler;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;import android.widget.Toast;
public class Main2Activity extends AppCompatActivity {

    Handler mHandler = new Handler();   

 @Override   

 protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);

        new Thread(new Runnable() {
            @Override       

     public void run() {
                // TODO Auto-generated method stub 

               while (true) {
                    try {
                        Thread.sleep(10000);
                        mHandler.post(new Runnable() {

                            @Override 

                           public void run() {

            Toast.makeText(Main2Activity.this, "run...", Toast.LENGTH_SHORT).show();
             // TODO Auto-generated method stub 

           // Write your code here to update the UI.      

                      }
                        });
                    } catch (Exception e) {
                        // TODO: handle exception    

                }
                }
            }
        }).start();

    }
}