Android Question AppCompat what is its?

[omarruben]

looking some samples I get Appcompat... and I do not understand, can anyone explain what it is and how to use it??? i get it is kind of a template?
thank you in advance

 

[DonManfred]

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AppCompat - Make Material Design apps compatible with older Android versions

This library is a wrapper for the Google AppCompat v7 support library. B4A V6.0 or newer is required! From V3.52 on B4A V6.80 or newer is required! If you still use B4A < V6.80, use V3.51 of this library. The main reason for this library is to make your apps compatible with older Android...

www.b4x.com

Material Design 2 - Using the AppCompat library

Note: You should use B4A 6.0 or above for this tutorial. In the first Material Design tutorial we created a simple app with Material Design for Android 5.0 (Lollipop) devices. But what about older Android versions? For compatibility with older devices Google created the support libraries which...

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Material Design 3 - Using a ToolBar as ActionBar

Note: You should use B4A 6.0 or above for this tutorial. Google recommends to use a ToolBar instead of the standard system ActionBar for Material Design apps. In this tutorial we will use a ACToolBar(Light/Dark) object from the AppCompat library (1.10 and above) as an ActionBar. One of the...

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Material Design 4 - Modifyable and advanced Menu

Note: You should use B4A 6.0 or above for this tutorial. With the ACToolBar(Light|Dark) object we can get access to the Menu object of the activity. This opens the possibility for modifyable menus and some other advanced menu features. Basics With the ToolBar.Menu property we have access to...

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[omarruben]

thank you