ImageMagnifier
A custom ImageView, touch anywhere on the image and a circular magnifier will be shown on the image. Zooming certain area of the image. How to use?
<com.noman.imagemagnifier.ImageMagnifier
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:src="@drawable/batman"/>
Screen shots