Age Calculator project in Android Studio Tutorial with Java

In this video tutorial, Age Calculator App is developed with Android Studio 3.4 with Java.
This tutorial can be divided into 4 sections:

(0:00) - Intro
(0:16) -1. Add Design code to Layout xml
(2:23) -3. Write method calculate difference birth year and current year
(4:59) -4. Run the app in Android virtual Device Emulator

How calcAge( ) method is working:
4. get difference between input integer and current year

Widgets used: EditText , TextView, Button
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#AndroidStudioProject

[factpediahindi]

thanks for evry line to get understand me thank you very much sir