2014/10/16 上午 08:23:35

android Programming Glossary: scrollbyx

http://stackoverflow.com/questions/3045227/android-stop-image-scaling-down

0 current top location of scroll rect private float scrollByX 0 x amount to scroll by private float scrollByY 0 y amount to.. times during the course of a single movement gesture. scrollByX x startX move update x increment scrollByY y startY move update.. rect to the right. int newScrollRectX scrollRectX int scrollByX int newScrollRectY scrollRectY int scrollByY Don't scroll off..

Android: Scrolling an Imageview

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

float downX downY int totalX totalY int scrollByX scrollByY public boolean onTouch View view MotionEvent event.. currentX event.getX currentY event.getY scrollByX int downX currentX scrollByY int downY currentY scrolling.. to the right if currentX downX if totalX maxLeft scrollByX 0 if totalX maxLeft totalX totalX scrollByX if totalX..

Android : Stop image scaling down

http://stackoverflow.com/questions/3045227/android-stop-image-scaling-down

0 current left location of scroll rect private int scrollRectY 0 current top location of scroll rect private float scrollByX 0 x amount to scroll by private float scrollByY 0 y amount to scroll by private float startX 0 track x from one ACTION_MOVE.. y event.getRawY Calculate move update. This will happen many times during the course of a single movement gesture. scrollByX x startX move update x increment scrollByY y startY move update y increment startX x reset initial values to latest startY.. as dragging to the left being the same as sliding the scroll rect to the right. int newScrollRectX scrollRectX int scrollByX int newScrollRectY scrollRectY int scrollByY Don't scroll off the left or right edges of the bitmap. if newScrollRectX 0..

Android: Scrolling an Imageview

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

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 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 of image pic moving to the right if currentX downX.. int downY currentY scrolling to left side of image pic moving to the right if currentX downX if totalX maxLeft scrollByX 0 if totalX maxLeft totalX totalX scrollByX if totalX maxLeft scrollByX maxLeft totalX scrollByX totalX maxLeft..