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copied!<p>Osmdroid has the functionality to zoom. You will need to setup a gesturelistener to check for the pinch action, at which point you should call the zoom function in osmdroid. I believe in osmdroid 3.0.5 it is something like</p> <p><code>mOsm.getController.setZoomLevel(someNumber)</code> (mOsm is an instance of the map view). </p> <p>I have the zoom function working for the opposite pinch (you fingers start close together and then expand). I suggest using a MotionEvent (like you are currently doing) and doing something like this: </p> <pre><code>boolean finished = false; @Override public boolean onTouch(View v, MotionEvent e) { switch (e.getAction()) { case MotionEvent.ACTION_DOWN: finished = false; break; case MotionEvent.ACTION_MOVE: finished = false; break; case MotionEvent.ACTION_UP: //action is finishing at this point, so now I can do my refreshActionOnMap(); if (!finished) refreshActionOnMap(); break; } return true; } </code></pre> <p>The code I have added deals with the pinch - the finished boolean is something I implemented in my program to figure out when to refresh the map. That should help you out more.</p> <p><a href="http://www.zdnet.com/blog/burnette/how-to-use-multi-touch-in-android-2-part-6-implementing-the-pinch-zoom-gesture/1847" rel="nofollow">Here</a> is a further explanation of this. </p> <p>If you are looking for something different, then try reading <a href="http://android-developers.blogspot.com/2010/06/making-sense-of-multitouch.html" rel="nofollow">here</a>. Android has been supporting the pinch action since June 2010 apparently.</p>

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