Compare the pixel of the two different images, takes too long time

Question

I want to compare the pixel of the two different images. I am comparing the pixel of first image with all the pixels of the second Image. Here is my code stuff:

Answer 1

Oh no, remember this in mind when you do image processing in Android.

Never use getPixel() or setPixel() continuously, like a loop, it will result in a really really bad performance, damn slow. Use getPixels() and setPixels() instead

Well, keep in mind that you need to read Android Documentation first.