2014/10/16 上午 08:19:36

android Programming Glossary: motionevent.action_pointer_down

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

Canvas Pinch-Zoom to Point Within Bounds

http://stackoverflow.com/questions/11339190/canvas-pinch-zoom-to-point-within-bounds

if event.getPointerCount 2 if action MotionEvent.ACTION_POINTER_DOWN pointerIndex 1 The various pivot coordinate codes would belong..

Android Gallery zoom in/out

http://stackoverflow.com/questions/11468536/android-gallery-zoom-in-out

0.1f zoomList false return true else if event.getAction MotionEvent.ACTION_POINTER_DOWN Log.e TAG Pointer went down event.getPointerCount return true..

Android Pinch and Zoom Image in Activity

http://stackoverflow.com/questions/13210443/android-pinch-and-zoom-image-in-activity

mode NONE Log.d TAG mode NONE break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event Log.d TAG oldDist oldDist if..

enable/disable zoom in Android WebView

http://stackoverflow.com/questions/5125851/enable-disable-zoom-in-android-webview

if ev.getAction MotionEvent.ACTION_DOWN ev.getAction MotionEvent.ACTION_POINTER_DOWN ev.getAction MotionEvent.ACTION_POINTER_1_DOWN ev.getAction..

Getting coordinates and width/height from a matrix

http://stackoverflow.com/questions/5286174/getting-coordinates-and-width-height-from-a-matrix

start.set event.getX event.getY mode DRAG break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event if oldDist 10f savedMatrix.set matrix..

zooming and dragging images using matrix in android

http://stackoverflow.com/questions/5881778/zooming-and-dragging-images-using-matrix-in-android

Rotate zoom drag image in android imageview

http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview

getting the position of an image after drag in android

http://stackoverflow.com/questions/7404345/getting-the-position-of-an-image-after-drag-in-android

event ACTION_ .append names actionCode if actionCode MotionEvent.ACTION_POINTER_DOWN actionCode MotionEvent.ACTION_POINTER_UP sb.append pid .append..

How to enable the (two finger) zoom in/out feature for an image in android [duplicate]

http://stackoverflow.com/questions/7582833/how-to-enable-the-two-finger-zoom-in-out-feature-for-an-image-in-android

event.getY Log.d TAG mode DRAG mode DRAG break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event Log.d TAG oldDist oldDist if oldDist 10f..

rotation and scaling using multi touch in android

http://stackoverflow.com/questions/8515709/rotation-and-scaling-using-multi-touch-in-android

event.getY Log.d TAG mode DRAG mode DRAG break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event Log.d TAG oldDist oldDist if oldDist 10f.. event ACTION_ .append names actionCode if actionCode MotionEvent.ACTION_POINTER_DOWN actionCode MotionEvent.ACTION_POINTER_UP sb.append pid .append.. Log.d TAG mode DRAG mode DRAG lastEvent null break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event savedMatrix.set matrix midPoint mid event..

android: move a view on touch move (ACTION_MOVE)

http://stackoverflow.com/questions/9398057/android-move-a-view-on-touch-move-action-move

break case MotionEvent.ACTION_UP break case MotionEvent.ACTION_POINTER_DOWN break case MotionEvent.ACTION_POINTER_UP break case MotionEvent.ACTION_MOVE..

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

Canvas Pinch-Zoom to Point Within Bounds

http://stackoverflow.com/questions/11339190/canvas-pinch-zoom-to-point-within-bounds

MotionEvent.ACTION_POINTER_INDEX_MASK MotionEvent.ACTION_POINTER_INDEX_SHIFT if event.getPointerCount 2 if action MotionEvent.ACTION_POINTER_DOWN pointerIndex 1 The various pivot coordinate codes would belong here detector.onTouchEvent event Calls the Scale Gesture..

Android Gallery zoom in/out

http://stackoverflow.com/questions/11468536/android-gallery-zoom-in-out

mid.y start.y 10 zoom 0.1 midPoint start event zoom zoom 0.1f zoomList false return true else if event.getAction MotionEvent.ACTION_POINTER_DOWN Log.e TAG Pointer went down event.getPointerCount return true else if event.getAction MotionEvent.ACTION_UP Log.i TAG Pointer..

Android Pinch and Zoom Image in Activity

http://stackoverflow.com/questions/13210443/android-pinch-and-zoom-image-in-activity

break case MotionEvent.ACTION_UP case MotionEvent.ACTION_POINTER_UP mode NONE Log.d TAG mode NONE break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event Log.d TAG oldDist oldDist if oldDist 5f savedMatrix.set matrix midPoint mid event ..

enable/disable zoom in Android WebView

http://stackoverflow.com/questions/5125851/enable-disable-zoom-in-android-webview

on HTC devices UPDATE Here is almost full code for the solution if ev.getAction MotionEvent.ACTION_DOWN ev.getAction MotionEvent.ACTION_POINTER_DOWN ev.getAction MotionEvent.ACTION_POINTER_1_DOWN ev.getAction MotionEvent.ACTION_POINTER_2_DOWN ev.getAction MotionEvent.ACTION_POINTER_3_DOWN..

Getting coordinates and width/height from a matrix

http://stackoverflow.com/questions/5286174/getting-coordinates-and-width-height-from-a-matrix

case MotionEvent.ACTION_DOWN savedMatrix.set matrix start.set event.getX event.getY mode DRAG break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event if oldDist 10f savedMatrix.set matrix midPoint mid event mode ZOOM break case MotionEvent.ACTION_UP..

zooming and dragging images using matrix in android

http://stackoverflow.com/questions/5881778/zooming-and-dragging-images-using-matrix-in-android

Rotate zoom drag image in android imageview

http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview

getting the position of an image after drag in android

http://stackoverflow.com/questions/7404345/getting-the-position-of-an-image-after-drag-in-android

int actionCode action MotionEvent.ACTION_MASK sb.append event ACTION_ .append names actionCode if actionCode MotionEvent.ACTION_POINTER_DOWN actionCode MotionEvent.ACTION_POINTER_UP sb.append pid .append action MotionEvent.ACTION_POINTER_ID_SHIFT sb.append sb.append..

How to enable the (two finger) zoom in/out feature for an image in android [duplicate]

http://stackoverflow.com/questions/7582833/how-to-enable-the-two-finger-zoom-in-out-feature-for-an-image-in-android

rotation and scaling using multi touch in android

http://stackoverflow.com/questions/8515709/rotation-and-scaling-using-multi-touch-in-android

savedMatrix.set matrix start.set event.getX event.getY Log.d TAG mode DRAG mode DRAG break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event Log.d TAG oldDist oldDist if oldDist 10f savedMatrix.set matrix midPoint mid event mode ZOOM Log.d.. int actionCode action MotionEvent.ACTION_MASK sb.append event ACTION_ .append names actionCode if actionCode MotionEvent.ACTION_POINTER_DOWN actionCode MotionEvent.ACTION_POINTER_UP sb.append pid .append action MotionEvent.ACTION_POINTER_ID_SHIFT sb.append sb.append.. matrix start.set event.getX event.getY if Constant.TRACE Log.d TAG mode DRAG mode DRAG lastEvent null break case MotionEvent.ACTION_POINTER_DOWN oldDist spacing event savedMatrix.set matrix midPoint mid event mode ZOOM if Constant.TRACE Log.d TAG mode ZOOM lastEvent..

android: move a view on touch move (ACTION_MOVE)

http://stackoverflow.com/questions/9398057/android-move-a-view-on-touch-move-action-move

_xDelta X lParams.leftMargin _yDelta Y lParams.topMargin break case MotionEvent.ACTION_UP break case MotionEvent.ACTION_POINTER_DOWN break case MotionEvent.ACTION_POINTER_UP break case MotionEvent.ACTION_MOVE RelativeLayout.LayoutParams layoutParams RelativeLayout.LayoutParams..