2014/10/16 上午 08:19:29

android Programming Glossary: mlasttouchx

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

float mPosX 0f private float mPosY 0f private float mLastTouchX private float mLastTouchY private static final int INVALID_POINTER_ID.. final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case.. gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX..

Image in Canvas with touch events

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

private float mPosX private float mPosY private float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID.. final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case.. gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate..

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

final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case.. gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX.. final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX x mLastTouchY y break case MotionEvent.ACTION_UP mActivePointerId..

Android Image View Pinch Zooming

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

Paint borderPaint null private Paint backgroundPaint null private float mPosX 0f private float mPosY 0f private float mLastTouchX private float mLastTouchY private static final int INVALID_POINTER_ID 1 private static final String LOG_TAG TouchImageView.. 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 ev.findPointerIndex.. Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX x mLastTouchY y break case MotionEvent.ACTION_UP..

Image in Canvas with touch events

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

static final int INVALID_POINTER_ID 1 private Drawable mImage private float mPosX private float mPosY private float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector private.. 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 ev.findPointerIndex.. Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX x mLastTouchY y break case MotionEvent.ACTION_UP..

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

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 ev.findPointerIndex.. Only move if the ScaleGestureDetector isn't processing a gesture. if mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX x mLastTouchY y break case MotionEvent.ACTION_UP.. mScaleDetector.isInProgress final float dx x mLastTouchX final float dy y mLastTouchY mPosX dx mPosY dy invalidate mLastTouchX x mLastTouchY y break case MotionEvent.ACTION_UP mActivePointerId INVALID_POINTER_ID break case MotionEvent.ACTION_CANCEL..