activateView clearCachedData cmdViewHandle coreView createAdapter createDynamicShapeView drawShapes getGestureEnabled getImageCache getMainView getView initView mBackground mBkColor mCanvasAdapter mCanvasOnDraw mCoreView mDynDrawCanvas mDynDrawRender mDynDrawView mDynSurfaceCallback mGestureDetector mGestureEnable mGestureListener mImageCache mMainView mRender mSurfaceCallback mViewAdapter onDetachedFromWindow onDraw onLayout onPause onResume onTap onTouchDrag performClick setBackgroundColor setBackgroundDrawable setContextActionEnabled setGestureEnabled setOnCommandChangedListener setOnContentChangedListener setOnContextActionListener setOnDynamicChangedListener setOnDynDrawEndedListener setOnFirstRegenListener setOnGestureListener setOnSelectionChangedListener setOnShapeClickedListener setOnShapeDblClickedListener setOnShapeDeletedListener setOnShapesRecordedListener setOnShapeWillDeleteListener setOnZoomChangedListener SFGraphView SFGraphView SFGraphView snapshot snapshot stop TAG tearDown viewAdapter

setOnZoomChangedListener() void rhcad.touchvg.view.SFGraphView.setOnZoomChangedListener ( OnZoomChangedListener  listener ) 添加视图放缩的观察者 实现了 rhcad.touchvg.IGraphView.