Android

Setting up the environment

Download Android Studio

Creating a project

Java for Android

Java basics 1

Java basics 2

For beginners

Creating your first app

Running your app

Activities

Building a simple UI

Fragments

Layouts

Intents

Buttons

Text fields

For intermediates

App resources

Input events

Menus

Settings

For the advanced

Dialogs

Notifications

Toasts

Search

Saving data

Shared preferences

Databases