touch-event

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Java programming help and android development

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.[详细]

2023-03-22 05:42 分类：问答
Opengl-es onTouchEvents problem or a draw problem? [closed]

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[详细]

2023-03-22 05:08 分类：问答
android drawing on touch event

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 :[详细]

2023-03-22 01:39 分类：问答
Tracing a MotionEvent in a ViewGroup

I have a class extends ViewGroup and want to get every MotionEvent from it. So far I have this: class TestViewGroup extends ViewGroup {[详细]

2023-03-21 07:04 分类：问答
Implementing pinch effect on a image view in iphone

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[详细]

2023-03-20 19:14 分类：问答
Android touchevent--- need help/suggestion according to scenario

Now I have an ImageView and its a circle which is at the slightlybelow than center position (But this should not matter).[详细]

2023-03-20 03:55 分类：问答
Approach for Android game with timers and touch event (move) handling

I\'m doing a game with game loop and active rendering (using SurfaceView and SurfaceHolder.Callback).[详细]

2023-03-18 23:41 分类：问答
Android multitouch getting wrong pointers and/or XY values

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[详细]

2023-03-18 17:52 分类：问答
iPad - touchStart() event blocked by div text

I have a div which triggers a touchStart event: <div class="button" ontouchstart="touchStart(event)"> button</div>[详细]

2023-03-18 07:57 分类：问答
detecting touch for bitmap that's been drawn with Rect transformations

For Bitmaps drawn with simple (x,y) coordinates, float _x = x - (bitmap.getWidth() / 2); float _y = y - (bitmap.getHeight() / 2);[详细]

2023-03-18 02:02 分类：问答