How can i add two uiimageview and save it to iphone photo gallery in iphone application development?

Question

I am going straight to the point,my problem is, I have a uiview controller which is taking 3 buttons and a uiimage view.Now,

1. When i am pressing first button

Answer 1

In Button TouchUpInSide Event Write thid code

Create first image

UIImage *myImage = [UIImage imageNamed:@"image1.png"];

save first image

UIImageWriteToSavedPhotosAlbum(myImage, self, nil, nil);

Create second image

myImage = [UIImage imageNamed:@"image2.png"];

Save second image

UIImageWriteToSavedPhotosAlbum(myImage, self, nil, nil);