Basit bir Android Uygulama için Yardim

 
  <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
      xmlns:tools="http://schemas.android.com/tools" 
      android:layout_width="match_parent" 
      android:layout_height="match_parent"> 
   
      <FrameLayout 
          android:layout_width="match_parent" 
          android:layout_height="match_parent" >   
     <ImageView  
          android:id="@+id/resim1" 
          android:layout_width="fill_parent" 
          android:layout_height="fill_parent" 
          android:scaleType="center" 
          android:src="@drawable/bugatti" 
          /> 
      <ImageView  
          android:id="@+id/resim2" 
          android:layout_width="fill_parent" 
          android:layout_height="fill_parent" 
          android:scaleType="center" 
          android:src="@drawable/khalifa" 
          /> 
      <Button  
          android:id="@+id/degistirButonu" 
          android:layout_width="wrap_content" 
          android:layout_height="wrap_content" 
          android:layout_gravity="top|center" 
          android:padding="10dp" 
          android:background="#000" 
          android:textColor="#fff" 
          android:text="Degistir" 
          />     
  </FrameLayout> 
  </RelativeLayout> 
  

 
   
  public class MainActivity extends Activity { 
   
  	@Override 
  	protected void onCreate(Bundle savedInstanceState) { 
  		super.onCreate(savedInstanceState); 
  		setContentView(R.layout.activity_main); 
  		Button degistirButonu = (Button) findViewById(R.id.degistirButonu); 
  		final ImageView resim1 = (ImageView) findViewById(R.id.resim1); 
  		final ImageView resim2 = (ImageView) findViewById(R.id.resim2); 
  		 
  		degistirButonu.setOnClickListener(new View.OnClickListener() { 
  			 
  			@Override 
  			public void onClick(View v) { 
  				 
  	            resim1.setVisibility(View.VISIBLE); 
  	            resim2.setVisibility(View.GONE); 
  			} 
  		}); 
  		 
  	}