Gradle error: Write access is allowed from event dispatch thread only in Android Studio

android android-studio gradle android-gradle-plugin gradlew

After updating Android Studio to version 2.2 (on Windows 10) and somehow next morning I received such error when gradle built on any project:

Write access is allowed from event dispatch thread only

Despite that gradlew -build command worked and completed successfully. I tried typical Android dev's of WTF repairing set: clean build, invalidate caches, removing build folders, removing .gradle folder, tried different gradle settings, even reinstalling Android Studio and nothing helped.

I've created this question only to share my experience with community, because I wasted two hours on it.

Place the SDK in the Andoid Studio only.

Uwe Keim

So the problem was concluded in that Android Studio conflicted with my installed JDK version, so it was resolved when I checked JDK location (File → Project Structure → SDK Location), ticked 'Use embedded JDK' checkbox and set JDK location to 'path to Android Studio'\Android Studio\jre

Worked well for me! Thanks a lot!

Perfect answer! Worked instantly. Just when I click opened the project structure upon reading this answer, the Project Structure dialog itself showed a message at the bottom of the dialog stating "Please choose a valid JDK directory", accompanied by a navigation button, which upon clicking navigated to the JDK location text box as well. I currently use Android Studio 3.1.3 on my Ubuntu. Thanks!

Null Pointer Exception

Problem was occurred when android studio conflict with installed jdk version, Go to the (File -> Project Structure -> SDK Location), check 'Use embedded JDK' checkbox and set jdk location to 'path to android studio'\Android Studio\jre :) Simple

Jon

that didn't work for me, i ran a 'gradle clean build' command, i figured out that there's a conflict in a line in the gradle, deleted it and sync project (as in this pic)

https://i.stack.imgur.com/CZsv5.png

this is what worked for me for this question, it may help others who had my same prob for the same question

Matthew Mullin

My issue was that I had removed the SDK I was using while clearing up hard drive space.

To fix this, first check what SDKs you have installed, or install one in Tools > SDK Manager.

You can then change the compileSdkVersion and targetSdkVersion in app build.gradle to your installed sdk version.

Otherwise you can just reinstall what ever sdk you were using.

Andy Luis

https://i.stack.imgur.com/RttmM.jpg

Gradle error: Write access is allowed from event dispatch thread only in Android Studio

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