January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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3.3.7. Implementing Interface OnSeekBarChangeListener for Handling SeekBar Thumb Position Changes
You’ll implement the SeekBar.OnSeekBarChangeListener interface (from package android.widget) to respond to the user moving the SeekBar’s thumb. In particular, you’ll use method onProgressChanged to display the custom tip percentage and to calculate the custom tip and total as the user moves the SeekBar’s thumb.
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