Example on Logging for Medium article blog on Logging and debugging

MainActivity.kt

class MainActivity : AppCompatActivity() {
    companion object {
        val TAG = MainActivity::class.java.simpleName
    }
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        if (Log.isLoggable(TAG, Log.DEBUG)) {
            Log.d(TAG, "$TAG=> onCreate()")
        }
    }
}