Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Android Build a Weather App (2015) Concurrency and Error Handling Making Our Code Asynchronous

Posted by marchmyth
marchmyth
1,632 Points

Is the try/catch in the success callback necessary?

the try/catch block seems redundant if the onFailure callback will be executed when there is an error. Why not simply put your failure code(what is in the catch block) in the onFailure callback?