January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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4.3.4. ImageButton
Users often touch buttons to initiate actions in a program. To save a search’s query–tag pair in this app, you touch an ImageButton (package android.widget). ImageButton is a subclass of ImageView which provides additional capabilities that enable an image to be used like a Button object (package android.widget) to initiate an action.
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