title: Android configuration in meta-data or in properties file?
body: <p>I'm writing a library that is used by developers and I have a configuration items like <code>apiKey</code>, <code>environment</code> and others. I want to developer to set these values, my first thought was using Java Properties file that I load in the Application class, but I've seen Google Play and Google Map SDK ask the developers to add their apiKey in meta-data tag in Android Manifest. What is the recommended way? </p>