pinch to zoom android

Turn rightprivate void Right () {//TODO auto-generated method Stubint BMPW = Bm.getwidth (), int bmph = Bm.getheight ();d ouble Scale =1; scalew = (float) (Scalew*scale); Scaleh = (float) (Scaleh*scale); Matrix Mt =new Matrix (); Mt. Postscale (Scalew, Scaleh); Mt.setrotate (curdegrees=curdegrees+5); Bitmap bitmap= bitmap.createbitmap (BM, 0, 0, BMPW, bmph, MT, true); Iv.setimagebitmap (bitmap);}Leftprivate void Left () {int BMPW = Bm.getwidth (

[Android] custom arbitrary onDraw-based animation (not just PAN/rotate/zoom/alpha ),!,Ideas: 1. Time-based display ing. For example, if the degrees are specified, the arc is displayed, and the time sequence is added, the arc animation effect can be achieved. 2. specify the time sequence. One frame for animation Rendering Solution 1,Based on ObjectAnimator. During animation operation, the set function corre