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I am new to Android Studio and I have just created a new project with only one Activity with fragments(Android studio created that), and when I ran the MyActivity.java , error occurs:

Error running MyActivity: Gradle project sync failed. Please fix your project and try again.

Nothing more in my event log.

I have no idea why it is, and This link did not helps.

One clue is that Gradle project sync in progress is flowing all the time , just after I restart the Studio.

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6
  • can you post your log ... and which version of studio you are using? Commented Jul 16, 2014 at 11:07
  • I have the same problem, did you solve the problem? Commented Aug 4, 2014 at 19:22
  • stackoverflow.com/a/21168562/1442541 Commented Sep 21, 2014 at 7:28
  • 1
    You can find a answer here: stackoverflow.com/questions/21066598/… Commented Jun 16, 2015 at 12:07
  • 1
    You should not run MainActivity . you should run app that contains MainActivity. Commented Nov 14, 2015 at 2:48

2 Answers 2

Reset to default
8
  1. Goto File -> Invalidate caches / Restart
  2. Shutdown Android Studio
  3. Rename/remove .gradle folder in the user home directory
  4. Restart Android Studio (It will download gradle metadata and data)
  5. Gradle build succeed
  6. Rebuild project
  7. Done
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0

The exact same error message also pops up if there is a syntax-error inside your AndroidManifest.xml file. So if the above won't work - which it didn't for me - then check the AndroidManifest.xml syntax. That will save you thousands of frustrating hours.

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