Android Kommunikation zwischen View und Activity

1public class TitleActivity extends Activity {
2
3@Override
4 protected void onCreate(Bundle savedInstanceState) {
5 super.onCreate(savedInstanceState);
6 requestWindowFeature(Window.FEATURE_NO_TITLE);
7 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
8 WindowManager.LayoutParams.FLAG_FULLSCREEN);
9TitleView tView = new TitleView(this); // 1-9 BEDEUTEND
10 tView.setKeepScreenOn(true);
11 setContentView(tView);
12
13 if(TitleView.playButtonPressed){
14 PlayView pView = new PlayView(this);
15 pView.setKeepScreenOn(true);
16 setContentView(pView);
17 }
18 }
19}

1public class TitleView extends View{
2
3 static boolean playButtonPressed; // ZUM PROBLEM
4 private Bitmap backgroundimg;
5 private Bitmap playButtonUp;
6 private Bitmap playButtonDown;
7
8 public TitleView(Context context) {
9 super(context);
10
11 playButtonUp =
12 BitmapFactory.decodeResource(getResources(), R.drawable.playbutton);
13
14 }
15
16 @Override
17 public void onSizeChanged (int w, int h, int oldw, int oldh){
18 super.onSizeChanged(w, h, oldw, oldh);
19 screenW = w;
20 screenH = h;
21 }
22
23 @Override
24 protected void onDraw(Canvas canvas){
25 Bitmap scaledTBI = Bitmap.createScaledBitmap(titleBackgroundImg, screenW, screenH, false);
26 canvas.drawBitmap(scaledTBI, 0, 0, null);
27 if(playButtonPressed){
28 canvas.drawBitmap(playButtonDown, (screenW/2)-(playButtonUp.getWidth())/2,
29 (screenH/2)-((playButtonUp.getHeight())/2) ,null);
30 } else {
31 canvas.drawBitmap(playButtonUp, (screenW/2)-(playButtonUp.getWidth())/2,
32 (screenH/2)-((playButtonUp.getHeight())/2) ,null);
33 }
34 }
35
36 public boolean onTouchEvent(MotionEvent event){
37 int eventaction = event.getAction();
38 int X = (int)event.getX();
39 int Y = (int)event.getY();
40
41 switch(eventaction){
42
43 case MotionEvent.ACTION_DOWN:
44 if(X > (screenW/2)-((playButtonUp.getWidth())/2) &&
45 X < ((screenW/2)-((playButtonUp.getWidth())/2)
46 + playButtonUp.getWidth()) &&
47 Y > (screenH/2)-(playButtonUp.getHeight()/2) &&
48 Y < ((screenH/2)-(playButtonUp.getHeight()/2))
49+ playButtonUp.getHeight()){
50
51 playButtonPressed = true; //ZUMPROBLEM
52
53 }//...Weiterer verlauf recht unwichtig

1a) static boolean playButtonPressed;

1b) boolean[] playButtonPressed= {false}