Timber is built upon Android’s Log class. If you are not yet familiar with logging in Android have a look at Logging in Android

Dependency

Timber has just on dependency. Nice!

dependencies {
  implementation 'com.jakewharton.timber:timber:5.0.1'
}

Initialization in Application

To use Timber in your app you need an application class where you call the static method Timber.plant

import android.app.Application
import timber.log.Timber

class LevelUpApplication : Application()  {
    override fun onCreate() {
        super.onCreate()
        if (BuildConfig.DEBUG) {
            Timber.plant(DebugTree())
        }
    } 
}

Make sure that your custom application class is referenced in your manifest:

<application
    android:name=".LevelUpApplication"
    ...
>

Import & Logging

After you have added Timber Android Studio highlights the old log statements:

Timber is imported via

import timber.log.Timber

And the new log statement looks like this:

Timber.d("onCreate")

The new log statement has no TAG element so you can remove the companion object from your class.

Timber on github

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