How to draw Bitmap fast in onDraw() method in canvas android

Question

I am trying to draw a marker on single tap method in android. when i draw the marker it will draw but it will take more time to draw i.e 30-40 milliseconds some times it tak

Answer 1

You should remove all BitmapFactory.decodeResource() calls from your draw() method. Decode bitmap only once and keep reference to it. Then just call canvas.drawBitmap() in your draw() method.