2014/10/16 上午 08:12:53

android Programming Glossary: e2.getx

Android: How to detect when a scroll has ended

http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended

the X axis mIsScrolling true handleScroll Math.round e2.getX e1.getX return true @Override Don't know why but we need..

How to stop scrolling in a Gallery Widget?

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

isScrollingLeft MotionEvent e1 MotionEvent e2 return e2.getX e1.getX @Override public boolean onFling MotionEvent e1 MotionEvent..

Android - HorizontalScrollView within ScrollView Touch Handling

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

velocityX float velocityY try right to left if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. getMeasuredWidth 0 return true left to right else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Gesture in listview android

http://stackoverflow.com/questions/3921138/gesture-in-listview-android

return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. int e1.getX int e1.getY return super.onFling else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. e2.getY REL_SWIPE_MAX_OFF_PATH return false if e1.getX e2.getX REL_SWIPE_MIN_DISTANCE Math.abs velocityX REL_SWIPE_THRESHOLD_VELOCITY..

Adding Fling Gesture to an image view - Android

http://stackoverflow.com/questions/4098198/adding-fling-gesture-to-an-image-view-android

return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. Left Swipe Toast.LENGTH_SHORT .show else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. MotionEvent e2 float velocityX float velocityY if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Android: How to handle right to left swipe gestures

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

result false try float diffY e2.getY e1.getY float diffX e2.getX e1.getX if Math.abs diffX Math.abs diffY if Math.abs diffX..

Swipe/Fling tab-changing in conjunction with ScrollView?

http://stackoverflow.com/questions/5102993/swipe-fling-tab-changing-in-conjunction-with-scrollview

e1.getY e2.getY SWIPE_MAX_OFF_PATH return false if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. my tab code return true else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Gesture detection and ScrollView issue

http://stackoverflow.com/questions/8330187/gesture-detection-and-scrollview-issue

int SWIPE_THRESHOLD_VELOCITY 200 try if Math.abs e1.getX e2.getX SWIPE_MAX_OFF_PATH return false ViewFlipper gallery ViewFlipper.. e1.getY e2.getY SWIPE_MAX_OFF_PATH return false if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. show next product else if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Android - basic gesture detection

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

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.. return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. Left Swipe Toast.LENGTH_SHORT .show else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Android: How to detect when a scroll has ended

http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended

e2 float distanceX float distanceY i'm only scrolling along the X axis mIsScrolling true handleScroll Math.round e2.getX e1.getX return true @Override Don't know why but we need to intercept this guy and return true so that the other gestures..

How to stop scrolling in a Gallery Widget?

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

call the appropriate dpad event as shown below private boolean isScrollingLeft MotionEvent e1 MotionEvent e2 return e2.getX e1.getX @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY int kEvent if isScrollingLeft..

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 Math.abs velocityX SWIPE_THRESHOLD_VELOCITY activeFeature activeFeature items.size 1 activeFeature 1.. 1 activeFeature 1 items.size 1 smoothScrollTo 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..

Gesture in listview android

http://stackoverflow.com/questions/3921138/gesture-in-listview-android

float velocityY try if Math.abs e1.getY e2.getY SWIPE_MAX_OFF_PATH return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Context ctx getApplicationContext CharSequence txt Right.. toast.show Toast.makeText this.getItem lv.pointToPosition int e1.getX int e1.getY return super.onFling else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Context ctx getApplicationContext CharSequence.. e2 float velocityX float velocityY if Math.abs e1.getY e2.getY REL_SWIPE_MAX_OFF_PATH return false if e1.getX e2.getX REL_SWIPE_MIN_DISTANCE Math.abs velocityX REL_SWIPE_THRESHOLD_VELOCITY onRTLFling else if e2.getX e1.getX REL_SWIPE_MIN_DISTANCE..

Adding Fling Gesture to an image view - Android

http://stackoverflow.com/questions/4098198/adding-fling-gesture-to-an-image-view-android

float velocityY try if Math.abs e1.getY e2.getY SWIPE_MAX_OFF_PATH return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Toast.makeText GestureRightLeft.this Left Swipe Toast.LENGTH_SHORT.. velocityX SWIPE_THRESHOLD_VELOCITY Toast.makeText GestureRightLeft.this Left Swipe Toast.LENGTH_SHORT .show else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Toast.makeText GestureRightLeft.this Right Swipe.. @Override public boolean onFling MotionEvent e1 MotionEvent e2 float velocityX float velocityY if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY return false Right to left else if e2.getX e1.getX SWIPE_MIN_DISTANCE..

Android: How to handle right to left swipe gestures

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

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 diffY if Math.abs diffX SWIPE_THRESHOLD Math.abs velocityX SWIPE_VELOCITY_THRESHOLD..

Swipe/Fling tab-changing in conjunction with ScrollView?

http://stackoverflow.com/questions/5102993/swipe-fling-tab-changing-in-conjunction-with-scrollview

e2 float velocityX float velocityY try if Math.abs e1.getY e2.getY SWIPE_MAX_OFF_PATH return false if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY my tab code return true else if e2.getX e1.getX SWIPE_MIN_DISTANCE.. if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY my tab code return true else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY my tab code return true catch Exception e Log.e..

Gesture detection and ScrollView issue

http://stackoverflow.com/questions/8330187/gesture-detection-and-scrollview-issue

SWIPE_MIN_DISTANCE 80 final int SWIPE_MAX_OFF_PATH 250 final int SWIPE_THRESHOLD_VELOCITY 200 try if Math.abs e1.getX e2.getX SWIPE_MAX_OFF_PATH return false ViewFlipper gallery ViewFlipper current_product_layout.findViewById R.id.product_gallery.. ProduitHome.this SRPDialogs.NOT_CONNECTED else try if Math.abs e1.getY e2.getY SWIPE_MAX_OFF_PATH return false if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY show next product else if e1.getX e2.getX SWIPE_MIN_DISTANCE.. if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY show next product else if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY show previous product catch Exception e return false..

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 fling if it's too short as it may conflict with a button push if Math.abs dx MAJOR_MOVE Math.abs.. float velocityY try if Math.abs e1.getY e2.getY SWIPE_MAX_OFF_PATH return false right to left swipe if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Toast.makeText SelectFilterActivity.this Left Swipe Toast.LENGTH_SHORT.. SWIPE_THRESHOLD_VELOCITY Toast.makeText SelectFilterActivity.this Left Swipe Toast.LENGTH_SHORT .show else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY Toast.makeText SelectFilterActivity.this Right Swipe..