I am trying to draw an image over another image when a user touches the screen.But the image only appears when the user touches and then disappears开发者_如何转开发 when they let go of the screen.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
I\'m trying to make an application which enables user to touch the screen and draw image based on users\' finger coordinates. Here\'s my code :
I have a class extends ViewGroup and want to get every MotionEvent from it. So far I have this: class TestViewGroup extends ViewGroup {
Thanks in advance. I want to apply pinch, rotation and pan gesture effect on an image view.like this UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc]initWithTarget:self acti
Now I have an ImageView and its a circle which is at the slightlybelow than center position (But this should not matter).
I\'m doing a game with game loop and active rendering (using SurfaceView and SurfaceHolder.Callback).
I have an issue getting the X and Y values from mutlitouch events. Below is the code showing how I get the value when the POINTER_DOWN and POINTER_UP events are fired, however the X and Y values seem
I have a div which triggers a touchStart event: <div class="button" ontouchstart="touchStart(event)"> button</div>
For Bitmaps drawn with simple (x,y) coordinates, float _x = x - (bitmap.getWidth() / 2); float _y = y - (bitmap.getHeight() / 2);
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