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Royalone94/ClearCanvas.java

Forked from comoc/ClearCanvas.java
Created December 14, 2018 03:38
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Clear the Canvas of a SurfaceView for Android.
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ClearCanvas.java
// Obtain a SurfaceView.
// SurfaceView surfaceView = (SurfaceView)findViewById(R.id.surfaceView1);
Canvas canvas = surfaceView.getHolder().lockCanvas();
canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
// Draw someting
surfaceView.getHolder().unlockCanvasAndPost(canvas);
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