Android tutorial

android - How to change ActionBar title style programmatically

android - How to create gradient background ActionBar

android - How to display custom layout in ActionBar

android - How to show app icon on ActionBar

android - How to convert dp to pixels

android - How to change orientation without restarting activity

android - How to take ScreenShot programmatically

android - How to compress a bitmap

android - How to save an image to gallery

android - How to save image to file in external storage

Java - How to check if an array contains a certain value

android - How to ellipse TextView programmatically

android - Get TextView number of lines

android - Highlight text in a TextView