Implement Android Spinner to select an item from an array of items. Also Android Intents and SharedPreferences. Android Series.
Learn how to switch between one activity to other activity using Intents. Learn how to share data between activities using SharedPreferences. Implement Spinner element. Android Series.
Learn How to read user input from EditText and Display it in a TextView in Android on Button Click. Android Series.
How to Start with your First Android Project? Here's how you should start.