Converting array of int to Bitmap on Android

Question

I have an MxN array of ints representing colors (say RGBA format, but that is easily changeable). I would like to convert them to an MxN Bitmap or something else (such as an

Answer 1

Why not use Bitmap.setPixel? It's even API level 1:

int[] array  = your array of pixels here...
int   width  = width of "array"...
int   height = height of "array"...

// Create bitmap
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

// Set the pixels
bitmap.setPixels(array, 0, width, 0, 0, width, height);

You can play with offset/stride/x/y as needed.
No loops. No additional allocations.