Hintergrund ändern möglichkeit für app nutzer

1ImageView view = (ImageView) findViewByID(R.id.XXX);
2Drawable newImage;
3
4newImage = getResources().getDrawable(R.drawable.hintergrund);
5view.setImageDrawable(newImage);

1public class MainActivity extends Activity implements OnClickListener {
2
3public ImageView wallpaper;
4public Button buttonOne;
5
6protected void onCreate(Bundle savedInstanceState) {
7 super.onCreate(savedInstanceState);
8 setContentView(R.layout.main);
9
10 wallpaper = (ImageView) findViewById(R.id.hintergrund);
11 buttonOne = (Button) findViewById(R.id.button1);
12 buttonOne.setOnClickListener(this);
13
14 }
15
16public void onClick(View v) {
17
18Drawable newImage;
19
20if (buttonOne == v) {
21
22newImage = getResources().getDrawable(R.drawable.hintergrundbild);
23wallpaper.setImageDrawable(newImage);
24
25 }
26 }
27}