Android color picker - updating color array

Question

I\'m trying to create a color picker for Android that looks like a minimalistic version of Gimp\'s. So, it has a hue slider and a rectangle with saturation/value variants of

Answer 1

One possibility is to pre-create the rectangles on your developer PC for each slider position, embed them as resources, and then swap in the right one when the slider changes. This may make for a portly application, but it will be nice and quick.

I have not dealt with the 2D graphics API much, so I don't know if there are other possibilities (e.g., color matrices).