Custom Timber trees which print logs with lines and method names for faster navigation

0_TimberTree.kt

package de.vkay.android

import android.util.Log
import timber.log.Timber

class TimberTree {
    
    class Debug : Timber.DebugTree() {
        override fun createStackElementTag(element: StackTraceElement): String? {
            val parts = super.createStackElementTag(element)?.split("$")
                ?: return super.createStackElementTag(element)

            if (parts.size >= 2) {
                return "(${element.fileName}:${element.lineNumber}) ${parts[1]}"
            }
            // https://stackoverflow.com/a/49216400/5199098
            return "(${element.fileName}:${element.lineNumber}) ${element.methodName}"
        }
    }

    class Releasee : Timber.DebugTree() {
        override fun isLoggable(tag: String?, priority: Int): Boolean {
            return priority == Log.WARN || priority == Log.ERROR
        }
        override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
            if (isLoggable(tag, priority)) {
                super.log(priority, tag, message, t)
            }
        }
    }
}

1_App_Example.kt

class App : Application() {

    override fun onCreate() {
        super.onCreate()
        Timber.plant(if (BuildConfig.DEBUG) TimberTree.Debug() else TimberTree.Releasee())

        /* ... */
    }

    /* ... */
}