2014/10/16 上午 08:12:40

android Programming Glossary: downx

Android list view Right / Left swipes like call logs

http://stackoverflow.com/questions/16017988/android-list-view-right-left-swipes-like-call-logs

80 The minimum distance for vertical swipe private float downX downY upX upY Coordinates private Action mSwipeDetected Action.None.. switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY mSwipeDetected Action.None return.. upX event.getX upY event.getY float deltaX downX upX float deltaY downY upY horizontal swipe detection if..

Android: Scrolling an Imageview

http://stackoverflow.com/questions/3058164/android-scrolling-an-imageview

new View.OnTouchListener float downX downY int totalX totalY int scrollByX scrollByY public boolean.. switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY break case MotionEvent.ACTION_MOVE.. currentX event.getX currentY event.getY scrollByX int downX currentX scrollByY int downY currentY scrolling to left side..

Android Swipe on List

http://stackoverflow.com/questions/4373485/android-swipe-on-list

private static final int MIN_DISTANCE 100 private float downX downY upX upY private Action mSwipeDetected Action.None public.. event switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY mSwipeDetected Action.None return.. upX event.getX upY event.getY float deltaX downX upX float deltaY downY upY horizontal swipe detection if Math.abs..

Android list view Right / Left swipes like call logs

http://stackoverflow.com/questions/16017988/android-list-view-right-left-swipes-like-call-logs

swipe private static final int VERTICAL_MIN_DISTANCE 80 The minimum distance for vertical swipe private float downX downY upX upY Coordinates private Action mSwipeDetected Action.None Last action public boolean swipeDetected return mSwipeDetected.. @Override public boolean onTouch View v MotionEvent event switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY mSwipeDetected Action.None return false allow other events like Click to be processed case.. other events like Click to be processed case MotionEvent.ACTION_MOVE upX event.getX upY event.getY float deltaX downX upX float deltaY downY upY horizontal swipe detection if Math.abs deltaX HORIZONTAL_MIN_DISTANCE left or right if deltaX..

Android: Scrolling an Imageview

http://stackoverflow.com/questions/3058164/android-scrolling-an-imageview

1 final int maxBottom maxY set touchlistener ImageView_BitmapView.setOnTouchListener new View.OnTouchListener float downX downY int totalX totalY int scrollByX scrollByY public boolean onTouch View view MotionEvent event float currentX currentY.. onTouch View view MotionEvent event float currentX currentY switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY break case MotionEvent.ACTION_MOVE currentX event.getX currentY event.getY scrollByX int.. downY event.getY break case MotionEvent.ACTION_MOVE currentX event.getX currentY event.getY scrollByX int downX currentX scrollByY int downY currentY scrolling to left side of image pic moving to the right if currentX downX if..

Android Swipe on List

http://stackoverflow.com/questions/4373485/android-swipe-on-list

was detected private static final String logTag SwipeDetector private static final int MIN_DISTANCE 100 private float downX downY upX upY private Action mSwipeDetected Action.None public boolean swipeDetected return mSwipeDetected Action.None public.. @Override public boolean onTouch View v MotionEvent event switch event.getAction case MotionEvent.ACTION_DOWN downX event.getX downY event.getY mSwipeDetected Action.None return false allow other events like Click to be processed case.. allow other events like Click to be processed case MotionEvent.ACTION_UP upX event.getX upY event.getY float deltaX downX upX float deltaY downY upY horizontal swipe detection if Math.abs deltaX MIN_DISTANCE left or right if deltaX 0 Log.i..