Creating an empty bitmap and drawing though canvas in Android

android bitmap drawing android-canvas
Sunil Pandey picture Sunil Pandey · Apr 14, 2011 · Viewed 123.2k times · Source

I'd like to create an empty bitmap and set a canvas to that bitmap and then draw any shape on the bitmap.

Answer

bigstones picture bigstones · Apr 14, 2011

This is probably simpler than you're thinking:

int w = WIDTH_PX, h = HEIGHT_PX;

Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
Canvas canvas = new Canvas(bmp);

// ready to draw on that bitmap through that canvas

Here's a series of tutorials I've found on the topic: Drawing with Canvas Series

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