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Different Ways to fix “Error running android: Gradle project sync failed” in Android Studio

  • Last Updated : 22 Mar, 2021

Gradle is one of the most important components of Android apps. It handles all the backend tasks and manages all the external dependencies which we will be going to use in building our Android Application. Sometimes due to any issue or after formatting of your pc. Some of the Gradle files may get deleted unexpectedly. So when you will start building your apps you will get to see an error in Android studio as ‘Error running android: Gradle project sync failed. In this article, we will take a look at 3 different methods for solving this issue. 

  • Method 1: Restarting your project using Invalidate Caches and Restart option
  • Method 2: Sync your project with Gradle files
  • Method 3: Deleting and installing new Gradle files

Method 1: Restarting your project using Invalidate Caches and Restart option

In this method, we will be restarting our project using Invalidate Caches and Restart option. For using this option navigate to the File option and then click on Invalidate Caches and Restart option you will get to see this option in the below screenshot. 

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After clicking on this option you will get to see the below screenshot. In this click on Invalidate Caches and Restart option to Restart your Android Studio project.



After restarting your Android Studio the Gradle issue will be fixed. 

Method 2: Sync your project with Gradle files

This issue will not be solved if the folder containing Gradle files is deleted or corrupted. In such a case, you have to download new files for Gradle. For this, you have to connect your PC to the internet and you have to open your Android studio. After opening your project click on the Sync Project with Gradle files option. This will automatically download the new Gradle files and will fix the issue which is caused by the Gradle files. 

Method 3: Deleting and installing new Gradle files

In some cases when your Gradle files are deleted or corrupted you will not be able to download new Gradle files in android studio. In this case, we have to delete the Gradle files which are present already and then again sync your project to download our Gradle files again. For finding your .gradle folder you have to navigate to the C drive of your pc and then your PC name folder. Inside that, you will get to see the .gradle folder. We simply have to delete this folder. After deleting this folder we have to reopen our Android studio and then navigate to the Files option in the top bar and then click on Sync Project with Gradle Files to sync your project it will automatically download the new Gradle files which are required for your project. You can get to see this option on the below screenshot. 

This method will solve the Gradle issue and automatically downloads the new Gradle files. 

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