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[This post is by Scott Main, lead tech writer for developer.android.com. — Tim Bray] Before Android 3.0 (Honeycomb), all Android-powered devices included a dedicated Menu button. As a developer, you could use the Menu button to display whatever options were relevant to the user, often using the activity’s built-in options menu. Honeycomb removed the reliance on physical buttons, and introduced the
[This post is by Philip Milne, who is part of the Android framework team. — Tim Bray] Ice Cream Sandwich (ICS) sports two new widgets that have been designed to support the richer user interfaces made possible by larger displays: Space and GridLayout. The most commonly used class for layout in Android is LinearLayout, which allows its children to be aligned in the usual ways: along either the hori
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