That worked!
Could you explain why that worked, but the original code didn't?
I had extended Drawable (not a View) and overridden its draw method.
Here is the code that works:
public void draw(Canvas canvas) {
if (bitmap != null) {
canvas.drawBitmap(bitmap, m, null);
return;
}
Canvas singleUseCanvas = new Canvas();
bitmap = Bitmap.createBitmap(canvas.getWidth(),
canvas.getHeight(),
Bitmap.Config.ARGB_8888);
singleUseCanvas.setBitmap(bitmap);
for (int y = 0, maxY = canvas.getHeight(); y < maxY;
y+=cellSize) {
for (int x = 0, maxX = canvas.getWidth(); x < maxX;
x+=cellSize) {
int color = r.nextInt(0xffffff) + 0xff000000;
cr.draw(singleUseCanvas, color, x, y);
}
}
canvas.drawBitmap(bitmap, m, null);
}
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