Start an Activity

Start an Activity and pass data

Reading data from a bundle when starting a new Activity

Save Instance State

Restore Instance State

Asynchronous Network Request with OKHttp

Load an Image into an ImageView with Picasso

Load in Image as a Bitmap with Picasso

Listen for a message

Broadcast a message

Setting a SharedPreference

Retrieving a SharedPreference

Showing an Alert

Writing to the File System

Reading from the File System

Reading from Assets

Creating a SQLite Database

Writing to a SQLite Database

Reading from a SQLite Database (Simple Query)

A more complex structured query

Performing Migrations on a SQLite Database

Detecting Connectivity

Detecting Wifi (vs cell)