android fast pixel access and manipulation

Question

I\'m trying to port an emulator that i have written in java to android. Things have been going nicely, I was able to port most of my codes with minor changes however due to how

Answer 1

Don't recreate the bitmap every single time. Try something like this:

Bitmap buffer = null;
@Override
public void onDraw(Canvas canvas)
{
    if(buffer == null) buffer = Bitmap.createBitmap(256, 192, Bitmap.Config.RGB_565);
    buffer.copyPixelsFromBuffer(pixelsA);
    canvas.drawBitmap(buffer, 0, 0, null);
}

EDIT: as pointed out, you need to update the pixel buffer. And the bitmap must be mutable for that to happen.