2014/10/16 上午 08:12:53

android Programming Glossary: e1.getx

Android: How to detect when a scroll has ended

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

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

How to stop scrolling in a Gallery Widget?

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

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

e2 float velocityX float velocityY try right to left if e1.getX e2.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. 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

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 this.getItem lv.pointToPosition int e1.getX int e1.getY return super.onFling else if e2.getX e1.getX.. int e1.getY return super.onFling else if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY..

Adding Fling Gesture to an image view - Android

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

SWIPE_MAX_OFF_PATH 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.. e1 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

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..

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

final int SWIPE_THRESHOLD_VELOCITY 200 try if Math.abs e1.getX e2.getX SWIPE_MAX_OFF_PATH return false ViewFlipper gallery.. e2.getY SWIPE_MAX_OFF_PATH return false if e2.getX e1.getX SWIPE_MIN_DISTANCE Math.abs velocityX SWIPE_THRESHOLD_VELOCITY.. 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

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.. SWIPE_MAX_OFF_PATH 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

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 are..

How to stop scrolling in a Gallery Widget?

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

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

@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 activeFeature items.size 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 smoothScrollTo..

Gesture in listview android

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

velocityX 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.. Toast toast Toast.makeText ctx txt duration 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.. 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 txt Left..

Adding Fling Gesture to an image view - Android

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

velocityX 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.. 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 Toast.LENGTH_SHORT.. @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..

Android: How to handle right to left swipe gestures

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

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 if diffX..

Swipe/Fling tab-changing in conjunction with ScrollView?

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

e1 MotionEvent 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.. 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 MyGestureDetector..

Gesture detection and ScrollView issue

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

int 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.. 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.. 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 show previous product catch Exception e return..

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 velocityX.. velocityX 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.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 Toast.LENGTH_SHORT..