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我嘗試通過我的android應用程序移動位圖。我可以在我的文本視圖後面顯示位圖,但不能覆蓋它們。透明視圖與Android
public void onCreate(Bundle savedInstanceState)
...
// ll is a FrameLayout
ll.addView(text1);
ll.addView(text2);
ll.addView(new Panel(this),200,400);
我的面板類的定義是這樣的:
class Panel extends SurfaceView
......
@Override
public void onDraw(Canvas canvas) {
canvas.drawColor(0, PorterDuff.Mode.CLEAR);
Bitmap bitmap;
GraphicObject.Coordinates coords;
for (GraphicObject graphic : _graphics) {
bitmap = graphic.getGraphic();
coords = graphic.getCoordinates();
canvas.drawBitmap(bitmap, coords.getX(), coords.getY(), null);
}
}
你能幫助我嗎?如何在我的應用程序視圖上繪製透明位圖?