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How to create custom graphical component

I would like to create custom component similar to this picture.

sample control preview

So I could set fan speed (from 0 to 4) and and timer (from 0 to 9). If I set fan speed greater than zero it would be nice to rotate the fan image.

What is the best approach to create such component?

Solution

  • You have to create your custom view which handlers your taps and gestures and draws anything you want. Just a simple example.

    public class MyView extends View {
//
@Override
    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

//setup your output drawables here
}

    Huge example:

    https://developer.android.com/training/custom-views/create-view.html