Run Button Grayed out: Android Studio

Question

Why is the run button always grayed out in android studio after I get some errors. I need to restart/reboot my android studio every time to run it again. I am sure that I am missing something

Run bar:

Run Button:

I also get an error right now :)

Already disposed: Project (Disposed): Already disposed: Project (Disposed)
java.lang.AssertionError: Already disposed: Project (Disposed)
    at com.intellij.openapi.components.impl.ComponentManagerImpl.getComponent(ComponentManagerImpl.java:186)
    at com.intellij.psi.PsiDocumentManager.getInstance(PsiDocumentManager.java:41)
    at com.intellij.psi.SingleRootFileViewProvider.getLastCommittedText(SingleRootFileViewProvider.java:521)
    at com.intellij.psi.SingleRootFileViewProvider.access$400(SingleRootFileViewProvider.java:63)
    at com.intellij.psi.SingleRootFileViewProvider$DocumentContent.getText(SingleRootFileViewProvider.java:537)
    at com.intellij.psi.SingleRootFileViewProvider.getContents(SingleRootFileViewProvider.java:347)
    at com.intellij.psi.impl.source.PsiFileImpl.loadTreeElement(PsiFileImpl.java:199)
    at com.intellij.psi.impl.source.PsiFileImpl.calcTreeElement(PsiFileImpl.java:776)
    at com.intellij.psi.impl.source.PsiFileImpl.getFirstChild(PsiFileImpl.java:787)
    at com.intellij.psi.impl.source.xml.XmlFileImpl.getDocument(XmlFileImpl.java:47)
    at com.intellij.psi.impl.source.xml.XmlFileImpl.getRootTag(XmlFileImpl.java:58)
    at com.android.tools.idea.rendering.LocalResourceRepository.getViewTag(LocalResourceRepository.java:323)
    at org.jetbrains.android.inspections.lint.IntellijViewTypeDetector.getViewTags(IntellijViewTypeDetector.java:42)
    at com.android.tools.lint.checks.ViewTypeDetector.visitMethod(ViewTypeDetector.java:213)
    at com.android.tools.lint.client.api.JavaVisitor$DelegatingJavaVisitor.visitMethodInvocation(JavaVisitor.java:1189)
    at lombok.ast.MethodInvocation.accept(MethodInvocation.java:114)
    at lombok.ast.Cast.accept(Cast.java:94)
    at lombok.ast.BinaryExpression.accept(BinaryExpression.java:131)
    at lombok.ast.ExpressionStatement.accept(ExpressionStatement.java:63)
    at lombok.ast.Block.accept(Block.java:106)
    at lombok.ast.MethodDeclaration.accept(MethodDeclaration.java:240)
    at lombok.ast.NormalTypeBody.accept(NormalTypeBody.java:57)
    at lombok.ast.ClassDeclaration.accept(ClassDeclaration.java:239)
    at lombok.ast.CompilationUnit.accept(CompilationUnit.java:83)
    at com.android.tools.lint.client.api.JavaVisitor.visitFile(JavaVisitor.java:217)
    at com.android.tools.lint.client.api.LintDriver.checkIndividualJavaFiles(LintDriver.java:1652)
    at com.android.tools.lint.client.api.LintDriver.runFileDetectors(LintDriver.java:986)
    at com.android.tools.lint.client.api.LintDriver.checkProject(LintDriver.java:858)
    at com.android.tools.lint.client.api.LintDriver.analyze(LintDriver.java:425)
    at com.android.tools.lint.client.api.LintDriver.analyze(LintDriver.java:369)
    at org.jetbrains.android.inspections.lint.AndroidLintExternalAnnotator.doAnnotate(AndroidLintExternalAnnotator.java:146)
    at org.jetbrains.android.inspections.lint.AndroidLintExternalAnnotator.doAnnotate(AndroidLintExternalAnnotator.java:56)
    at com.intellij.codeInsight.daemon.impl.ExternalToolPass.doAnnotate(ExternalToolPass.java:222)
    at com.intellij.codeInsight.daemon.impl.ExternalToolPass.access$400(ExternalToolPass.java:43)
    at com.intellij.codeInsight.daemon.impl.ExternalToolPass$2.run(ExternalToolPass.java:133)
    at com.intellij.codeInsight.daemon.impl.ExternalToolPass$3.run(ExternalToolPass.java:170)
    at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:320)
    at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:310)
    at com.intellij.util.ui.update.MergingUpdateQueue$2.run(MergingUpdateQueue.java:254)
    at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:269)
    at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:227)
    at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:217)
    at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)
    at com.intellij.util.Alarm$Request$1.run(Alarm.java:327)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:298)
    at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:295)
    at com.intellij.util.concurrency.QueueProcessor$2$1.run(QueueProcessor.java:110)
    at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)
    at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:107)
    at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:104)
    at com.intellij.util.concurrency.QueueProcessor$3$1.run(QueueProcessor.java:215)
    at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)
    at com.intellij.util.concurrency.QueueProcessor$3.run(QueueProcessor.java:212)
    at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:419)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
    at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:149)

score 38 · Answer 1 · edited Mar 31 '22 at 07:07

38

You should initially configure the application.

Click the edit configuration in the combo box left to run button then:

Select the app module

enter image description here

edited Mar 31 '22 at 07:07

Sambhav. K

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answered Mar 25 '14 at 08:52

alexandrius

1,078
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21

My run configuration is ok: [Run Config](http://i.imgur.com/3mew7CV.png) It happens when the compiler finds an error. Then I fix the error and the run button stays grayed out. – kevingoos Mar 25 '14 at 09:32
Maybe you should just stop the app and then run it again, I mean to stop it in android studio – alexandrius Mar 25 '14 at 13:16
2

Stop is also grayed out :P – kevingoos Mar 25 '14 at 13:23
for me my avd was available in the dropdown, so I didn't have to fiddle wit the config screen – Harry Moreno Jul 18 '15 at 00:50
You just save my life and my job I already had a gun pointing at my head right now :/ – Neon Warge Dec 15 '16 at 06:46
@kevingoos Did you ever found out what was the issue? i'm in same boat now with Android Studio 2.3.2 – LoveForDroid May 24 '17 at 17:17
I am getting in this drop down Menu ``No Module`` – user1767754 Jun 18 '17 at 13:13
Just add one then – alexandrius Oct 24 '17 at 12:19

Anson VanDoren · Accepted Answer · 2022-03-31T23:16:24.293

21

If you've made major changes to your project structure, it sometimes takes restarting Android Studio to regain the ability to Run your project. Worked for me.

edited Mar 31 '22 at 23:16

answered Aug 07 '15 at 12:34

Anson VanDoren

726
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9
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6

I have made some major changes and wandering around to enable that run button. At last this answer solved it. But did not require to restart the Android Studio. Just reopened the project. `File > Close Project` – krishh Aug 24 '15 at 18:48
Just noticed that Close Project is actually much faster than a restart. Thanks for the tip. – Tharkius Sep 09 '21 at 16:45

score 6 · Answer 3 · edited Mar 31 '22 at 05:52

6

After an update of Android Studio or major changes to your project structure, you need to restart Android Studio and for the first time press run from the dropdown menu

edited Mar 31 '22 at 05:52

Sambhav. K

3,046
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answered Aug 03 '16 at 07:59

Shimi Uhlman

139
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6

Hamzah Malik · Answer 4 · 2016-03-08T21:35:51.140

5

Happened to me when my module settings weren't right. Go to module settings by right clicking the project in the left pane then make sure the target is set to android-23 or whatever version you want

edited Mar 08 '16 at 21:35

answered Dec 29 '15 at 22:32

Hamzah Malik

2,430
3
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score 4 · Answer 5 · edited Mar 31 '22 at 08:50

4

After an update of Android studio the week of writing, the issue got resolved

edited Mar 31 '22 at 08:50

Sambhav. K

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answered Apr 09 '14 at 10:36

kevingoos

3,243
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57

also please share the version number of the AS you updated to – Sambhav. K Mar 31 '22 at 04:27

score 3 · Answer 6 · edited Mar 30 '22 at 12:09

3

If you are not able to launch android app without activity then perform below mention steps.

Open Edit Configuration.
Select your application and check the do not launch activity.

edited Mar 30 '22 at 12:09

Sambhav. K

3,046
2
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answered Apr 07 '16 at 11:22

rakesh rajput

536
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score 3 · Answer 7 · edited Mar 31 '22 at 17:50

3

I fixed this issue by re-importing my Gradle Project. For me, everything was greyed out(Run/Debug/Build), and re-starting Android Studio was not enough to fix this issue.

I did: File -> Re-Import Gradle Project.

After a while, all the buttons in the Android Studio IDE started functioning normally again.

edited Mar 31 '22 at 17:50

Sambhav. K

3,046
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answered Jun 12 '19 at 09:12

Arka Mukherjee

1,856
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26

1

I didn't have this option, the most similar was "File > Invalidate aches / Restart" and it worked for me – Nisba Sep 22 '21 at 12:15

score 3 · Answer 8 · edited Mar 31 '22 at 12:09

3

In my case, this happened after upgrading the MacOS to Catalina and creating a new user. I had to first reinstall Flutter, get the path and add the path permanently to the environmental variables.

Then I had to go Preferences -> Languages and Frameworks -> Flutter -> add the Flutter SDK (where you installed the latest Flutter) to the Flutter SDK path.

edited Mar 31 '22 at 12:09

palme

2,372
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answered Feb 02 '20 at 17:57

Dyary

686
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14

score 2 · Answer 9 · edited Mar 30 '22 at 12:05

2

For me, it was an issue with the app module which was not selected after Android Studio update. Select the app module in the combo box to the left of the run button.

edited Mar 30 '22 at 12:05

Sambhav. K

3,046
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answered Apr 10 '17 at 04:22

Vijay Pal

181
2
5

score 2 · Answer 10 · edited Mar 29 '22 at 03:40

2

There are many solutions related to this problem.

Go to Setting->Plugins->uncheck the red one's and apply. Then again mark them (check them ) and apply .

Restart your android studio , it will work.

edited Mar 29 '22 at 03:40

Sambhav. K

3,046
2
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answered Apr 29 '17 at 17:45

Jay

614
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13

score 1 · Answer 11 · edited Mar 28 '22 at 08:08

1

Go to Run > Edit Configuration then go to Defaults > Android app" then in General tab select App in module then "Apply" This is working for me.

edited Mar 28 '22 at 08:08

Sambhav. K

3,046
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answered Nov 15 '17 at 08:33

Basant

716
7
16

I am not getting app option under module, it just shows – gegobyte Dec 05 '18 at 08:15
@Chinmay Sarupria, if "app" not appear in drop down then follow these steps "File>Invalidate Caches / Restart...>Invalidate and Restart" and try again above,i hope it will help you – Basant Dec 06 '18 at 09:29
Yeah I did something similar, I closed project and reopened it, Gradle synced the project and everything started working. – gegobyte Dec 06 '18 at 10:06

score 0 · Answer 12 · edited Mar 30 '22 at 12:03

0

Sometimes it happens without any reason. If there is no problem with Run configuration, restarting Android Studio usually helps.

edited Mar 30 '22 at 12:03

Sambhav. K

3,046
2
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answered Feb 25 '17 at 12:27

Asim Gasimzade

75
1
9

score 0 · Answer 13 · edited Mar 28 '22 at 13:03

0

I closed the project, and in the screen listing my recent projects, I removed the project and then went to Open an Existing Android Studio Project -> Open.

This fixed the issue for me.

edited Mar 28 '22 at 13:03

Sambhav. K

3,046
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5
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answered Jul 26 '18 at 10:32

Ian Wambai

175
2
18

score 0 · Answer 14 · edited Mar 28 '22 at 01:34

0

Just sync the Gradle.

Done. This worked for me

edited Mar 28 '22 at 01:34

Sambhav. K

3,046
2
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answered Nov 28 '21 at 09:42

GeneCode

7,266
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score 0 · Answer 15 · answered Mar 27 '22 at 16:21

0

It is very simple solution for the one like me for whom nothing mentioned above worked. Just follow: Build → Clean Project

answered Mar 27 '22 at 16:21

Sambhav. K

3,046
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score 0 · Answer 16 · edited Apr 23 '22 at 23:18

0

For me, doing a Gradle sync solved that problem :

File
Sync Project with Gradle Files

edited Apr 23 '22 at 23:18

Ryan M

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answered Apr 03 '22 at 13:51

Isma Rekathakusuma

560
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13

Run Button Grayed out: Android Studio

16 Answers16