blocks|key|4536283|text|单击菜单上的Run，然后单击Edit+Configurations...然后点击左边的Android+Application并点击%2B按钮。从弹出菜单中选择Android应用程序。然后选择模块(通常是app或类似的东西)。然后单击apply和ok。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536284|如果在此之后出现更多错误，请尝试在Android+Studio中重新导入项目。|4536285|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Click Run on the menu and then Edit Configurations... then click on Android Application on the left and click the + button. Choose Android Application from the pop-up menu. Then pick the module (its normally app or something like that). Then click apply and ok.

If you have more errors after that, try to re-import the project in Android Studio.

blocks|key|4536493|text|在创建Run+Configuration时，模块的下拉列表中只有我的<no+module>。调用menu+File+->+Sync+Project+with+Gradle+Files将app添加到模块的下拉列表中。然后，Run按钮变为启用状态。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4536494|entityMap^0|3|H|Y|B|1H|12|2K|3|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|G|$]]

When creating the <code>Run Configuration</code>, the dropdown for Module had only <code>&lt;no module&gt;</code> for me. Invoking menu <code>File -&gt; Sync Project with Gradle Files</code> added <code>app</code> to the dropdown for Module. Then the Run button became enabled.

blocks|key|28769|text|上面的答案对我不起作用，而是关闭项目并重新启动，因为IDE对我起作用了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|28770|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

The above answer didn't work for me, instead closing the project and restaring the AS IDE worked for me.

blocks|key|4536358|text|只需点击RUN按钮左侧的下拉按钮(在您的图像中，红色框中的下拉按钮)，从中选择'app‘选项，RUN按钮将被启用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536359|请参考下面的截图。|4536360|​|4536361|📷|atomic|offset|length|4536362|4536363|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/f16af1d80771892b9cbec50d8042db19.png|imageAlt^0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@$I|Y|J|Z|1|10]]|A|$]]|$1|K|3|E|5|6|7|11|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S|T|-4]]]]

Just click the dropdown button on left side of RUN button (in your image the dropdown which is in red box) select 'app' option from that and RUN button will be enabled. 

Please refer below screenshot.

<a href="https://i.stack.imgur.com/3C5DX.png" rel="noreferrer"><img src="https://i.stack.imgur.com/3C5DX.png" alt="enter image description here"></a>

blocks|key|4536574|text|对于flutter项目，如果run按钮被禁用，则必须|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536575|flutter+tools>>+packages+get+>>enter+your+flutter+flutter>>+path+>>finish|4536576|这应该可以解决你的问题..。|4536577|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

for flutter project, if the run button is disabled then you have to 

tools>> flutter>> flutter packages get >>enter your flutter sdk path >>finish

This should solve your problem...

blocks|key|4536473|text|上面的答案对我不起作用，只需单击文件和无效/缓存->无效并重新启动。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536474|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Above answer didn't work for me, just do click File -> Invalidate/cache -> Invalidate and Restart.

blocks|key|4536379|text|如果您已经更改了jdk版本，请转到文件->项目结构->从左栏选择SDK位置->更新右栏编辑栏中的JDK位置。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536380|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you have changed jdk version then go to File->Project Structure->Select SDK Location from left bar->update JDK Location in editbar in right bar.

blocks|key|28854|text|如果您的IDE处于省电模式，则运行按钮等也会被禁用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|28855|您可以通过文件->省电模式来验证这一点，请确保将其禁用。|28856|​|28857|📷|atomic|offset|length|28858|28859|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/35588f4e18e168284addf3640bb4ddd5.png|imageAlt^0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@$I|Y|J|Z|1|10]]|A|$]]|$1|K|3|E|5|6|7|11|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S|T|-4]]]]

If your IDE is in power save mode, then the run button etc. are also disabled. 

You can verify this via the file -> power save mode, make sure it is disabled.

<a href="https://i.stack.imgur.com/TC1oW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/TC1oW.png" alt="Disable power save mode to enable the run button"></a>

blocks|key|4536595|text|你必须在Android+Studio中重新配置FlutterSDK路径:转到Setting+->+Language+&+Frameworks+->+Flutter并将路径设置为Flutter+SDK|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536596|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You have to reconfigure the FlutterSDK path in Android Studio: Go to Setting -> Language &amp; Frameworks -> Flutter and set the path to Flutter SDK

blocks|key|4536414|text|如果你正在向android+studio导入一个eclipse项目，你也会遇到和上面一样的问题。仔细检查grade>app是否有应用插件：'com.android.application‘在顶部，因为有时android+studio会将其作为库导入。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536415|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

if you're importing an eclipse project to android studio, you'll also encounter the same issue as above. Double Check if grade>app has 
apply plugin: 'com.android.application' on the top as sometimes android studio imports it as a library.

blocks|key|4536624|text|我只需点击调试图标，它就开始工作了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536625|​|4536626|📷|atomic|offset|length|4536627|4536628|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/0e590bae9e6274990cef7f98e83120e9.png|imageAlt^0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@$G|V|H|W|1|X]]|A|$]]|$1|I|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q|R|-4]]]]

I just clicked on the debug icon and it started working.
<a href="https://i.stack.imgur.com/d3uLO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/d3uLO.png" alt="enter image description here" /></a>

blocks|key|4536439|text|我的解决方案是转到多选按钮，然后选择“编辑配置”，然后转到"%2B“并选择模块(在这种情况下，它将是一个应用程序，如果您没有多项目->，则应用并确定|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4536440|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

My solution was to go to that multiselect button, then "Edit Configurations" -> Go to "+" and select the module (in this case it would be an app if you do not have a multiproject -> then apply and OK

blocks|key|29051|text|我打开了错误的文件夹...验证您在Android+studio中的根文件夹是否有build.gradle文件。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|29052|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I opened the wrong folder.... Verify is your root folder in Android studio has the build.gradle file.

blocks|key|4536649|text|Build->Clean+Project|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4536650|在我的例子中，让run按钮再次启用|4536651|entityMap^0|0|5|7|D|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

<h3><code>Build</code>-&gt;<code>Clean Project</code></h3>
make the run button enable again in my case

blocks|key|29183|text|Run按钮与Configuration绑定，这就是为什么您应该检查项目是否已生成、同步和索引，然后可以选择配置|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|29184|entityMap^0|0|3|6|D|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

<code>Run</code> button is bounded with <code>Configuration</code> that is why you should check if your project is build, synced and indexed and after that you can select a Configuration

blocks|key|4536673|text|对我来说，不止1个adb实例被初始化，因此run按钮被禁用。我不得不打开ActivityManager+(在mac上)并杀死所有初始化的adb实例。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4536674|entityMap^0|9|3|10|F|1W|3|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|O|8|@]|D|@]|E|$]]]|G|$]]

For me, more than 1 instance of <code>adb</code> was initialized and due to this run button was disabled. I had to open <code>ActivityManager</code> (on mac) and kill all the initialized <code>adb</code> instances.

I can't click the run button. Does anyone know how to fix it?
<img src="https://i.stack.imgur.com/7rI0n.png" alt="Disabled Run Button" />

Run Button is Disabled in Android Studio

我不能点击run按钮。有人知道怎么修吗？​​

问Android Studio中禁用了运行按钮
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