How to create an android image viewer - Part 6 Using View.OnLongClickListener

This is part 6 of the android tutorial series about creating an android image viewer using the android local storage framework that was introduced in android lollipop. For part 6 we will be adding a long click listener to the image. When a finger is placed and held on the image it will activate the long click listener and display a toast message. This will be the first part of the implementation for pinch zoom of the image. Where when the image is long clicked (pressed) or will then open an ImageView cont

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