[android-developers] Mirroring animation?

Using Touch class that implements onTouchListener (and matrix) to drag a crosshairs on an image aiming pad, how can I have the movements control another dot (imageview) in a another part of the screen within a rectangle proportioned the same (but a different size) as the aiming pad? The dot would mimic the moves the user makes with the crosshairs ...


Is the answer a custom listener, broadcast receiver? ... Or somehow calling the main class methods from within the Touch class ?
Any suggestions greatly appreciated ...

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