5/8 - How to write Java code inside MainActivity.java - Android App in 26 Minutes

We will learn how to connect graphical elements from layout XML documents to our Java code. Those elements will then be programmed to store a piece of information for later retrieval by the app - even if it is restarted. We learn how to fire off button click events (OnClickListener), allowing us to store information in Android Shared Preferences Get my FULL Android development course on Udemy. It takes you from beginner to published on Google Play for just $9! Use this link to purchase (normal price $199):