Countdown

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.bjcreative.kleinesspiel.MainActivity" >

    <ProgressBar
        android:id="@+id/progressBar1"
        style="@android:style/Widget.ProgressBar.Horizontal"
        android:layout_width="wrap_content"
        android:layout_height="70dp"
        android:layout_gravity="center"
        android:minHeight="50dp"
        android:minWidth="200dp" />

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:text="Drücke" />
    
    <TextView
        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:text="Timer" />

</LinearLayout>

package com.bjcreative.buttondrueck;

import android.os.Bundle;
import android.os.CountDownTimer;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

public class GameActivity extends Activity implements OnClickListener {

	
	ProgressBar bar;
	Button btn;
	TextView tv;
	int i = 1;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		
		setContentView(R.layout.activity_game);
		
		tv  = (TextView)findViewById(R.id.textView1);
        tv.setText("10"); // startting from 10.
 
        final MyCounter timer = new MyCounter(10000,1000);
        
       
            
         
                timer.start();
            
       
       
    }
 
    public class MyCounter extends CountDownTimer{
 
        public MyCounter(long millisInFuture, long countDownInterval) {
            super(millisInFuture, countDownInterval);
        }
 
        @Override
        public void onFinish() {
            System.out.println("Timer Completed.");
            tv.setText("Timer Completed.");
            
        }
 
        @Override
        public void onTick(long millisUntilFinished) {
            tv.setText((millisUntilFinished/1000)+"");
            System.out.println("Timer  : " + (millisUntilFinished/1000));
        }
		
		
		
	
		
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.game, menu);
		

		bar = (ProgressBar)findViewById(R.id.progressBar1);
		bar.setMax(200);
		
		btn = (Button)findViewById(R.id.button1);
		btn.setOnClickListener(this);
		
		
		
		return true;
	}
	
	public void onClick(View e){
		if(e == btn){
			i += 4;
			
			if(i >= 200){
				AlertDialog ad = new AlertDialog.Builder(this).create();
				ad.setMessage("Du hast die Leiste voll gekriegt");
				ad.show();
				
				i = 0;
			}
			
			bar.setProgress(i);
		}
	
		
	}

}

        public void onFinish() {
            tv.setText("Timer Completed. Gedrückt: " + i / 4);
            btn.setOnClickListener(null);
        }