This app is a result to the Codelab challenge. A shopping list app that has two activities
the Items activity updates the MainActivity when an item is been selected. the use of savedInstance and intent
were used to passed information across each activities
- https://developer.android.com/studio/intro/index.html
- http://developer.android.com/guide/components/activities.html
- http://developer.android.com/guide/components/fundamentals.html
- https://developer.android.com/guide/components/activities/activity-lifecycle
- http://developer.android.com/guide/components/intents-filters.html
- http://developer.android.com/guide/topics/resources/runtime-changes.html
- http://developer.android.com/reference/android/app/Activity.html
- http://developer.android.com/reference/android/content/Intent.html