Android Studio freezes on indexing

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my project was working well but suddenly when I ran it on my phone, Android Studio freezes and I should stop it from task manager. before this happens I installed "Geny motion" & "Virtual Box", but when the error occurred I uninstalled them. but the problem insisted.

Solutions I've tried

I uninstalled it and installed it again
I unplugged and plugged in my device
I disabled android indexing from setting

None of the above solutions worked.

Mazurka answered 28/7, 2016 at 5:38 Comment(6)

Did you try using the built-in emulator rather than your device? – Tactual 28/7, 2016 at 5:42

Since the build process on an external device may tend to cause these problems at times – Tactual 28/7, 2016 at 5:43

There may be other areas to be looked into, like any infinite loops running inside your code. Another thing is try connecting other devices rather than the same device. – Strainer 28/7, 2016 at 5:47

@TaraWilfred - I just tried it and it freezes still. – Mazurka 28/7, 2016 at 6:8

Are there any errors being output as it freezes? If so could you provide those in the question as well? – Tactual 28/7, 2016 at 6:10

Happens like this to me then I run project then its already building or something like this. This is probably minor bug off Android Studio. Nothing you should worry about. – Suzansuzann 28/7, 2016 at 6:19

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I had today this exact problem. None of the above helped me until I found simple solution here Just run File -> Invalidate Cache and Restart That simple and it works!!!

Myrwyn answered 1/5, 2018 at 9:34 Comment(1)

Your are Killing it ! Simple and smart. Thx – Geographer 22/5, 2018 at 14:29

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Delete all Android Studio data - .gradle .android .androidstudio folders from your home folder. And all project build folders gradle and iml files.

Guilder answered 19/2, 2018 at 20:58 Comment(2)

For me this problem occurs when I am running test with coverage. But when gradle built is over and indexing starts (before actual running test starts) AS freezes to the hell :( Other options like invalidate and restart isn't working. I was really hoping this would help but didnt. Even in sample project if I am making test case of single add function it is freezing. – Molecular 26/2, 2019 at 9:47

Removing ~/.android would delete at least one emulator in my installation. – Dapper 15/3, 2021 at 15:28

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This worked for me.

1.Close the project
2.Remove the project
3.Close Android Studio
4.Open it again
5.Open the project

Enjoy Coding!

Frodi answered 3/10, 2018 at 6:59 Comment(0)

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I checked my java file and I saw somehow all the code in one of my java files was replaced with "NULL NULL NULL NULL....." I deleted the file and the application runs without a problem.

Mazurka answered 28/7, 2016 at 6:45 Comment(1)

Unbelievable. I had same cause and solution. My android studio froze when I was editing a kotlin file, I tried several times to write the same content, every time same crash. then I did "save all" after each paste, eventually it froze again at the exact same click where before and after that when I restarted (again) it got stuck on reindexing. I found this answer and it gave me the idea to delete the file and after that indexing got unstuck. NB! the answer I am commenting on, is from 2016, it is now 2023!!!! – Trudge 8/1, 2023 at 23:16

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Android Studio (3.1.3) froze on me while editing a source file. I waited and finally killed the process in Task Manager (Windows). Twice I tried to start up again and both times it got stuck with the "indexing..." message in the lower right. Both times I ended the process in Task Manager.

I looked in the source folder of the project I was working on. The source file I had been editing when it froze was "Receipt.java". There was another file in the src folder "Receipt.java__jb_tmp__". I deleted that file and Android Studio started up fine. It looks like I lost some edits, though.

When I did start up, it detected there had been some error and offered to submit a report.

But answered 26/6, 2018 at 5:40 Comment(0)

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If the project is large & has a lot of modules, you might need to increase the Allocated Heap Size for Android Studio.

Go to Edit Custom VM Options from Help menu and increase the value for -Xms and -Xmx

This is what I'm using

-Xms2048m
-Xmx8192m
-XX:MaxPermSize=2048m
-XX:ReservedCodeCacheSize=1024m
-XX:+UseCompressedOops

Isomerous answered 7/2, 2022 at 5:44 Comment(0)

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In my case color was declared as invalid, Android Studio ignored that and during building it froze. I had to remove the file, let it index, paste it back and fix the color string (it gave me error when I entered the pasted file)

Soong answered 8/2, 2018 at 9:6 Comment(0)

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just rename project folder then open IDE, it will show

now rename back to origin folder name, click open project

it work on my case

Emeryemesis answered 23/3, 2018 at 7:14 Comment(0)

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I have older project with sdk version 22, when I open it in android studio 3.1.2 on macOS. It keep indexing forever, everything was installed and configured properly but indexing loop never stopped.

Following worked for me

File > Invalidate caches/restart… > Invalidate caches/restart

Horrid answered 6/6, 2018 at 8:33 Comment(0)

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Go to the File menu and click the option Invalidate Caches / Restart This will solve the problem ! Enjoy ;)

Loft answered 2/7, 2018 at 7:48 Comment(0)

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In my case, Android studio was stuck longer at indexing at specific folder D:\Java\andsdk\sources\android-33 I deleted that folder (android-33) and restarted Android studio This trick worked for me and Android studio started working correctly

Tractile answered 12/6, 2023 at 12:52 Comment(0)

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