Android : CountDownTimer

CountDownTimer is used for Schedule a countdown until a time in the future, with regular notifications on intervals along the way.

CountDownTimer methods:

CountDownTimer Example:

RunOnUiThreadExample.java:

package com.imrankhanandroid.CountDownTimer;

import android.app.Activity;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.widget.TextView;
import android.widget.Toast;

public class CountDownTimerExample extends Activity {
    /** Called when the activity is first created. */
 private MyCount mc;  
    private TextView tv;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        tv = (TextView)findViewById(R.id.show);  
        mc = new MyCount(30000, 1000);  
        mc.start();
    }
    /* Define a countdown internal class */
    class MyCount extends CountDownTimer {     
            public MyCount(long millisInFuture, 
              long countDownInterval) {     
                super(millisInFuture, countDownInterval);     
            }     
            @Override     
            public void onFinish() {     
                tv.setText("finish!!!");        
            }     
            @Override     
            public void onTick(long millisUntilFinished) {     
                tv.setText("Please wait for 30 seconds." +
                "(" + millisUntilFinished / 1000 + ")...");     
       //Toast show the time delay  
                Toast.makeText(CountDownTimerExample.this,
                millisUntilFinished / 1000 + "", 
                Toast.LENGTH_LONG).show();      
            }    
        } 
}

main.xml:

Download Source Code: CountDownTimerExample