Topics

• Inheritance
• File I/O
• Arrays
• InputStreams and OutputStreams
• Singletons
• Runtime Permissions in API-23 +
• Localization with resources in Android
• OkHttp

Examples

• Using 'final' to restrict inheritance and overriding
• Migrating from java.io.File to Java 7 NIO (java.nio.file.Path)
• Copying Input Stream to Output Stream
• Synchronous Get Call
• Asynchronous Get Call
• Posting form parameters
• Posting a multipart request
• Setting up OkHttp