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2014/10/16 ¤W¤È 08:19:44
android Programming Glossary: mscaledetector.getfocusyZoom and Panning ImageView Android http://stackoverflow.com/questions/12169905/zoom-and-panning-imageview-android if mScaleDetector.isInProgress final float gx mScaleDetector.getFocusX final float gy mScaleDetector.getFocusY mLastGestureX gx mLastGestureY gy break case MotionEvent.ACTION_MOVE Only move if the ScaleGestureDetector isn't processing.. dx mPosY dy invalidate mLastTouchX x mLastTouchY y else final float gx mScaleDetector.getFocusX final float gy mScaleDetector.getFocusY final float gdx gx mLastGestureX final float gdy gy mLastGestureY mPosX gdx mPosY gdy invalidate mLastGestureX gx.. mPosX mPosY if mScaleDetector.isInProgress canvas.scale mScaleFactor mScaleFactor mScaleDetector.getFocusX mScaleDetector.getFocusY else canvas.scale mScaleFactor mScaleFactor super.onDraw canvas canvas.restore private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener..
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