This QSTP, Introduction to Android Application Development , gives students a comprehensive overview of android app development using Android Studio . This course is aimed at students who have had interest in app development and wish to learn the basics. We begin with a basic revision of Java, and move on to the major focus of this course - app UI components and in-app processing . This will give students a good start in this field and they can then learn further, and be ready to take up any industry-grade app development project.
First App: https://developer.android.com/training/basics/firstapp/
Second App: https://www.tutorialspoint.com/android_online_training/android_button.asp