Essential Android is a free book about Android programming language.

It's written to provide clear and concise explanation of topics for programmers both starting to learn the language as well as those diving in more complex topics.

Most examples are linked to online playground that allows you to change the code and re-run it.

You can also quickly navigate to desired content using table of content on the left and search at the top (tip: you can navigate search using only a keyboard with '/' shortcut to start a search).

The content is based on now abandoned StackOverflow Documentation project. It has been heavily edited and improved.

Content is licensed under Creative Commons Attribution-ShareAlike 3.0.

Chapters
39 ACRA
64 Menu
112 Loader
119 Xposed
132 Colors
135 Fresco
140 AdMob
147 Button
156 Vk SDK
170 XMPP
176 OpenCV
200 FileIO
203 Moshi
217 Paint
231 AIDL
241 JCodec
243 Okio
255 Looper
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