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 Simple Android App with Java Getting Started with Android Running the Fun Facts Project

Posted by Alvaro Roa
Alvaro Roa
830 Points

INSTALL_PARSE_FAILED_NO_CERTIFICATES

Session 'app': Installation did not succeed. The application could not be installed: INSTALL_PARSE_FAILED_NO_CERTIFICATES

The emulator does open but it does not run my app.

This is what I am getting in the event log. I followed all the instructors steps.

The only difference is that I am using Nougat 7.0.

1 Answer

Alvaro Roa
Alvaro Roa
830 Points
Alvaro Roa
Alvaro Roa
830 Points

FIXED:

  1. Close Android Studio
  2. Open Android Studio again
  3. Click Tools -> AVD Manager
  4. Within your virtual device, head to Actions, click the drop down chevron and click "Wipe Data".
  5. Close and Open Android Studio again and run your app.
  6. It'll take the emulator around an entire minute to open and then run your app.

When you run the newest android studio, it is still trying to download everything even as you open it for the first time. Thats why closing it and opening it helps.