2014/10/16 上午 08:13:11

android Programming Glossary: ev.gety

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId.. final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing.. 0 1 0 mLastTouchX ev.getX newPointerIndex mLastTouchY ev.getY newPointerIndex mActivePointerId ev.getPointerId newPointerIndex..

Is Opengl Development GPU Dependant?

http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant

isLUp false if count 1 dx ev.getX dy ev.getY dx dx getWidth 2 1 dy 1 dy getHeight 2 firstX dx firstY.. 2 firstX dx firstY dy else if count 2 ux ev.getX uy ev.getY ux ux getWidth 2 1 uy 1 uy getHeight 2 secondX ux secondY.. break case MotionEvent.ACTION_UP if isLUp ux ev.getX uy ev.getY ux ux getWidth 2 1 uy 1 uy getHeight 2 Log.i JO line2 ux..

Fast Scroll display problem with ListAdapter and SectionIndexer

http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer

MotionEvent.ACTION_DOWN if ev.getX getWidth mThumbW ev.getY mThumbY ev.getY mThumbY mThumbH mDragging true return true.. if ev.getX getWidth mThumbW ev.getY mThumbY ev.getY mThumbY mThumbH mDragging true return true return false..

How to get the Latitude and Longitude on Map in Android?

http://stackoverflow.com/questions/4446811/how-to-get-the-latitude-and-longitude-on-map-in-android

GeoPoint geoPoint p.fromPixels int ev.getX int ev.getY You can now pull lat lng from geoPoint share improve this..

How can I use the animation framework inside the canvas?

http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas

ballX int ev.getX ballW 2 ballY int ev.getY ballH 2 ballFingerMove true break case MotionEvent.ACTION_MOVE.. ballX int ev.getX ballW 2 ballY int ev.getY ballH 2 break case MotionEvent.ACTION_UP ballFingerMove false..

Make certain area of bitmap transparent on touch

http://stackoverflow.com/questions/5368774/make-certain-area-of-bitmap-transparent-on-touch

case MotionEvent.ACTION_DOWN X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_MOVE X int ev.getX.. break case MotionEvent.ACTION_MOVE X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_UP break return..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

Get Canvas coordinates after scaling up/down or dragging in android

http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

ev.getAction switch action MotionEvent.ACTION_MASK case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float.. and adjust accordingly. final int newPointerIndex pointerIndex 0 1 0 mLastTouchX ev.getX newPointerIndex mLastTouchY ev.getY newPointerIndex mActivePointerId ev.getPointerId newPointerIndex break return true non Javadoc @see android.view.View#draw..

Is Opengl Development GPU Dependant?

http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant

ev if myline switch ev.getAction case MotionEvent.ACTION_DOWN isLUp false if count 1 dx ev.getX dy ev.getY dx dx getWidth 2 1 dy 1 dy getHeight 2 firstX dx firstY dy else if count 2 ux ev.getX uy ev.getY ux ux getWidth.. dx ev.getX dy ev.getY dx dx getWidth 2 1 dy 1 dy getHeight 2 firstX dx firstY dy else if count 2 ux ev.getX uy ev.getY ux ux getWidth 2 1 uy 1 uy getHeight 2 secondX ux secondY uy myRenderer.dx firstX myRenderer.dy firstY myRenderer.ux.. 0 count break case MotionEvent.ACTION_MOVE isLUp true break case MotionEvent.ACTION_UP if isLUp ux ev.getX uy ev.getY ux ux getWidth 2 1 uy 1 uy getHeight 2 Log.i JO line2 ux uy secondX ux secondY uy myRenderer.dx firstX myRenderer.dy..

Fast Scroll display problem with ListAdapter and SectionIndexer

http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer

MotionEvent ev if mThumbVisible ev.getAction MotionEvent.ACTION_DOWN if ev.getX getWidth mThumbW ev.getY mThumbY ev.getY mThumbY mThumbH mDragging true return true return false private void scrollTo float position int count.. MotionEvent ev if mThumbVisible ev.getAction MotionEvent.ACTION_DOWN if ev.getX getWidth mThumbW ev.getY mThumbY ev.getY mThumbY mThumbH mDragging true return true return false private void scrollTo float position int count mList.getCount..

How to get the Latitude and Longitude on Map in Android?

http://stackoverflow.com/questions/4446811/how-to-get-the-latitude-and-longitude-on-map-in-android

How can I use the animation framework inside the canvas?

http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas

onTouchEvent MotionEvent ev switch ev.getAction case MotionEvent.ACTION_DOWN ballX int ev.getX ballW 2 ballY int ev.getY ballH 2 ballFingerMove true break case MotionEvent.ACTION_MOVE ballX int ev.getX ballW 2 ballY int ev.getY ballH 2.. int ev.getY ballH 2 ballFingerMove true break case MotionEvent.ACTION_MOVE ballX int ev.getX ballW 2 ballY int ev.getY ballH 2 break case MotionEvent.ACTION_UP ballFingerMove false dY 0 break return true @Override public void onDraw..

Make certain area of bitmap transparent on touch

http://stackoverflow.com/questions/5368774/make-certain-area-of-bitmap-transparent-on-touch

public boolean onTouchEvent MotionEvent ev switch ev.getAction case MotionEvent.ACTION_DOWN X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_MOVE X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_UP.. X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_MOVE X int ev.getX Y int ev.getY invalidate break case MotionEvent.ACTION_UP break return true @Override public void onDraw Canvas canvas super.onDraw..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

ev.getAction switch action MotionEvent.ACTION_MASK case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float.. adjust accordingly. final int newPointerIndex pointerIndex 0 1 0 mLastTouchX ev.getX newPointerIndex mLastTouchY ev.getY newPointerIndex mActivePointerId ev.getPointerId newPointerIndex break return true @Override public void onDraw Canvas..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

ev.getAction switch action MotionEvent.ACTION_MASK case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float.. adjust accordingly. final int newPointerIndex pointerIndex 0 1 0 mLastTouchX ev.getX newPointerIndex mLastTouchY ev.getY newPointerIndex mActivePointerId ev.getPointerId newPointerIndex break return true @Override public void onDraw Canvas..

Get Canvas coordinates after scaling up/down or dragging in android

http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android

ev.getAction switch action MotionEvent.ACTION_MASK case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float.. and adjust accordingly. final int newPointerIndex pointerIndex 0 1 0 mLastTouchX ev.getX newPointerIndex mLastTouchY ev.getY newPointerIndex mActivePointerId ev.getPointerId newPointerIndex break float objectNewX objectNewY if mScaleFactor 1 objectNewX..