how we can rectify when the app has been stopped in Android

Question

How we can rectify when the app has been stopped in the Android studio emulator

Sundar · Answer

The Problem Your application quit because an uncaught RuntimeException was thrown. The most common of these is the NullPointerException. How to solve it? Every time an Android application crashes (or any Java application for that matter) a Stack trace is written to the console (in this case logcat). This stack trace contains vital information for solving your problem