Android: TouchImageView
Created by: Mike Ortiz
Contributions by: 
 * Patrick Lackemacher
 * Babay88
 * @ipsilondev

Date: 2/17/2012
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Adds panning, pinch zoom, double tap zoom, and fling to Android ImageView.

Usage:
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Place TouchImageView.java in your project. It can then be used the same as
ImageView. Example:

TouchImageView img = (TouchImageView) findViewById(R.id.img);
img.setImageResource(R.drawable.img);

If you are using TouchImageView in xml, then you must provide the full package
name, because it is a custom view. Example:

<com.example.touch.TouchImageView
	    android:id="@+id/img”
	    android:layout_width="match_parent"
	    android:layout_height="match_parent" />

API:
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// Set the max zoom multiplier. Default value: 3.
setMaxZoom(float max);

// Set the min zoom multiplier. Default value: 1.
setMinZoom(float min);