clearSignature() does not support transparent background

[momoteRyanmt]

It attempts to use transparent drawColor which means the canvas stays the same

solution is to swap the following in clearSignature method - mCanvas.drawColor(bgColor); with mCanvas.drawColor(bgColor, PorterDuff.Mode.CLEAR);

[codemajor247]

when i using this method . my signView is black. your code not working