2014/10/16 上午 08:27:19

android Programming Glossary: velocityx

How to stop scrolling in a Gallery Widget?

http://stackoverflow.com/questions/2373617/how-to-stop-scrolling-in-a-gallery-widget

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY int kEvent if isScrollingLeft e1 e2 Check if..

Android - HorizontalScrollView within ScrollView Touch Handling

http://stackoverflow.com/questions/2646028/android-horizontalscrollview-within-scrollview-touch-handling

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY try right to left if e1.getX e2.getX SWIPE_MIN_DISTANCE.. to left if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature activeFeature items.size.. right else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature activeFeature 0 activeFeature..

Developing an Android Homescreen

http://stackoverflow.com/questions/3467461/developing-an-android-homescreen

velocityTracker.computeCurrentVelocity 1000 int velocityX int velocityTracker.getXVelocity if velocityX SNAP_VELOCITY.. 1000 int velocityX int velocityTracker.getXVelocity if velocityX SNAP_VELOCITY mCurrentScreen 0 Fling hard enough to move left.. to move left snapToScreen mCurrentScreen 1 else if velocityX SNAP_VELOCITY mCurrentScreen getChildCount 1 Fling hard enough..

How can I make a horizontal ListView in Android? [duplicate]

http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return gallery.onFling e1 e2 velocityX velocityY.. velocityX float velocityY return gallery.onFling e1 e2 velocityX velocityY android listview gallery share improve this question..

Android: How to handle right to left swipe gestures

http://stackoverflow.com/questions/4139288/android-how-to-handle-right-to-left-swipe-gestures

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY boolean result false try float diffY e2.getY.. Math.abs diffY if Math.abs diffX SWIPE_THRESHOLD Math.abs velocityX SWIPE_VELOCITY_THRESHOLD if diffX 0 onSwipeRight else onSwipeLeft..

how to implement both ontouch and also onfling in a same listview?

http://stackoverflow.com/questions/4184382/how-to-implement-both-ontouch-and-also-onfling-in-a-same-listview

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY My fling event return flase P.S is it possible.. public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return super.onFling e1 e2 velocityX velocityY.. velocityX float velocityY return super.onFling e1 e2 velocityX velocityY @Override public boolean onSingleTapConfirmed MotionEvent..

Android - basic gesture detection

http://stackoverflow.com/questions/937313/android-basic-gesture-detection

public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY int dx int e2.getX e1.getX don't accept the.. with a button push if Math.abs dx MAJOR_MOVE Math.abs velocityX Math.absvelocityY if velocityX 0 moveRight else moveLeft.. dx MAJOR_MOVE Math.abs velocityX Math.absvelocityY if velocityX 0 moveRight else moveLeft return true else return false..

How to stop scrolling in a Gallery Widget?

http://stackoverflow.com/questions/2373617/how-to-stop-scrolling-in-a-gallery-widget

e1 MotionEvent e2 return e2.getX e1.getX @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY int kEvent if isScrollingLeft e1 e2 Check if scrolling left kEvent KeyEvent.KEYCODE_DPAD_LEFT else Otherwise..

Android - HorizontalScrollView within ScrollView Touch Handling

http://stackoverflow.com/questions/2646028/android-horizontalscrollview-within-scrollview-touch-handling

MyGestureDetector extends SimpleOnGestureListener @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY try right to left if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature.. e1 MotionEvent e2 float velocityX float velocityY try right to left if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature activeFeature items.size 1 activeFeature 1 items.size 1 smoothScrollTo activeFeature.. activeFeature getMeasuredWidth 0 return true left to right else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature activeFeature 0 activeFeature 1 0 smoothScrollTo activeFeature getMeasuredWidth..

Developing an Android Homescreen

http://stackoverflow.com/questions/3467461/developing-an-android-homescreen

final VelocityTracker velocityTracker mVelocityTracker velocityTracker.computeCurrentVelocity 1000 int velocityX int velocityTracker.getXVelocity if velocityX SNAP_VELOCITY mCurrentScreen 0 Fling hard enough to move left snapToScreen.. mVelocityTracker velocityTracker.computeCurrentVelocity 1000 int velocityX int velocityTracker.getXVelocity if velocityX SNAP_VELOCITY mCurrentScreen 0 Fling hard enough to move left snapToScreen mCurrentScreen 1 else if velocityX SNAP_VELOCITY.. if velocityX SNAP_VELOCITY mCurrentScreen 0 Fling hard enough to move left snapToScreen mCurrentScreen 1 else if velocityX SNAP_VELOCITY mCurrentScreen getChildCount 1 Fling hard enough to move right snapToScreen mCurrentScreen 1 else snapToDestination..

How can I make a horizontal ListView in Android? [duplicate]

http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android

Gallery gallery this.gallery gallery @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return gallery.onFling e1 e2 velocityX velocityY android listview gallery share improve this question.. public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return gallery.onFling e1 e2 velocityX velocityY android listview gallery share improve this question After reading this post I have implemented my own..

Android: How to handle right to left swipe gestures

http://stackoverflow.com/questions/4139288/android-how-to-handle-right-to-left-swipe-gestures

public boolean onDown MotionEvent e return true @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY boolean result false try float diffY e2.getY e1.getY float diffX e2.getX e1.getX if Math.abs diffX Math.abs.. e1.getY float diffX e2.getX e1.getX if Math.abs diffX Math.abs diffY if Math.abs diffX SWIPE_THRESHOLD Math.abs velocityX SWIPE_VELOCITY_THRESHOLD if diffX 0 onSwipeRight else onSwipeLeft else if Math.abs diffY SWIPE_THRESHOLD Math.abs..

how to implement both ontouch and also onfling in a same listview?

http://stackoverflow.com/questions/4184382/how-to-implement-both-ontouch-and-also-onfling-in-a-same-listview

MyGestureDetector extends SimpleOnGestureListener @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY My fling event return flase P.S is it possible to comment the onclicklistener of listview and writing.. this.context context this.gDetector gDetector @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return super.onFling e1 e2 velocityX velocityY @Override public boolean onSingleTapConfirmed MotionEvent.. public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY return super.onFling e1 e2 velocityX velocityY @Override public boolean onSingleTapConfirmed MotionEvent e return super.onSingleTapConfirmed e public boolean..

Android - basic gesture detection

http://stackoverflow.com/questions/937313/android-basic-gesture-detection

this new GestureDetector.SimpleOnGestureListener public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY int dx int e2.getX e1.getX don't accept the fling if it's too short as it may conflict with a button push.. don't accept the fling if it's too short as it may conflict with a button push if Math.abs dx MAJOR_MOVE Math.abs velocityX Math.absvelocityY if velocityX 0 moveRight else moveLeft return true else return false Is it possible to lay a transparent.. too short as it may conflict with a button push if Math.abs dx MAJOR_MOVE Math.abs velocityX Math.absvelocityY if velocityX 0 moveRight else moveLeft return true else return false Is it possible to lay a transparent view over the top of my..