blocks|key|1582524|text|我在Ubuntu上使用Android+Studio+3.0，我在工具>+Android+>+AVD下有AVD|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1582525|📷|atomic|offset|length|1582526|。也在屏幕的右上角。|1582527|1582528|编辑:转到设置并搜索AVD。|style|BOLD|1582529|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/c9c6d1bdb3d40f88ddac9dff10b2b67f.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/73f831ec2fec22319da0a80dc3d73c15.png^0|0|0|1|0|0|0|0|1|1|0|0|3|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@$E|10|F|11|1|12]]|A|$]]|$1|G|3|H|5|6|7|13|8|@]|9|@]|A|$]]|$1|I|3|C|5|D|7|14|8|@]|9|@$E|15|F|16|1|17]]|A|$]]|$1|J|3|K|5|6|7|18|8|@$E|19|F|1A|L|M]]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U|V|-4]]|W|$5|Q|R|S|A|$T|X|V|-4]]]]

I'm using Android Studio 3.0 on Ubuntu I have AVD under Tools > Android > AVD <a href="https://i.stack.imgur.com/H3v33.png" rel="noreferrer"><img src="https://i.stack.imgur.com/H3v33.png" alt="AVD"></a>. And also on the right upper corner of the screen. <a href="https://i.stack.imgur.com/2mLQx.png" rel="noreferrer"><img src="https://i.stack.imgur.com/2mLQx.png" alt="AVD"></a> 

EDIT :
Go to Settings and search for AVD.

blocks|key|4033120|text|我也有同样的问题。如果你得到这样的信息：“框架检测到:+Android框架在项目中被检测到”，那么点击它并添加Android。在此之后，现在应该启用这些图标。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4033121|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 had the same problem.
If you get this message: "Frameworks detected: Android framework is detected in the project" then click on it and add Android.
After that, the icons should be enabled now.

blocks|key|1582581|text|转到右下角的“事件日志”选项卡。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1582582|📷|atomic|offset|length|1582583|​|1582584|可能会出现一些错误消息。它将提供解决问题的信息和链接。这样按钮就不会再灰显了。|1582585|1582586|1582587|1582588|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/b9fa8c5529b519c2ec039801f884cf6c.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/e4f6625ca90f89f0f66122e7b00326f0.png^0|0|0|1|0|0|0|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@$E|10|F|11|1|12]]|A|$]]|$1|G|3|H|5|6|7|13|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|14|8|@]|9|@]|A|$]]|$1|K|3|H|5|6|7|15|8|@]|9|@]|A|$]]|$1|L|3|C|5|D|7|16|8|@]|9|@$E|17|F|18|1|19]]|A|$]]|$1|M|3|H|5|6|7|1A|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U|V|-4]]|W|$5|Q|R|S|A|$T|X|V|-4]]]]

Go to the "Event Log" tab in the bottom right corner.<a href="https://i.stack.imgur.com/T1jcT.png" rel="noreferrer"><img src="https://i.stack.imgur.com/T1jcT.png" alt="enter image description here"></a>

There will probably be some error messages. It will provide information and links to resolve the problem. Then the buttons will not be greyed out anymore.

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

blocks|key|1922554|text|我刚刚进行了一次全新安装，也遇到了同样的问题。通过以下方式解决：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1922555|1922556|单击“安装缺少的平台...”在突出显示的错误中：|unordered-list-item|1922557|1922558|​|1922559|📷|atomic|offset|length|1922560|1922561|1922562|然后在下载/安装后，单击“install+Build+Tools...":|1922563|1922564|1922565|1922566|1922567|1922568|下载/安装后，你会在Tools菜单|1922569|下看到Android|1922570|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/ae0fb82e16add24962f1f0897b702a8c.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/8f51e10f6fe02cd31bcf67a455cd83c0.png^0|0|0|0|0|0|0|1|0|0|0|0|0|0|0|0|1|1|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1D|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|1F|8|@]|9|@]|A|$]]|$1|I|3|J|5|K|7|1G|8|@]|9|@$L|1H|M|1I|1|1J]]|A|$]]|$1|N|3|H|5|6|7|1K|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]|$1|P|3|Q|5|E|7|1M|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|S|3|H|5|6|7|1O|8|@]|9|@]|A|$]]|$1|T|3|J|5|K|7|1P|8|@]|9|@$L|1Q|M|1R|1|1S]]|A|$]]|$1|U|3|H|5|6|7|1T|8|@]|9|@]|A|$]]|$1|V|3|-4|5|6|7|1U|8|@]|9|@]|A|$]]|$1|W|3|X|5|E|7|1V|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|1W|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1X|8|@]|9|@]|A|$]]]|11|$12|$5|13|14|15|A|$16|17|18|-4]]|19|$5|13|14|15|A|$16|1A|18|-4]]]]

I just did a fresh install and had the same issue. Solved by:

<ul>
<li>Click "Install missing platforms(s)..." in the highlighted error:</li>
</ul>

<a href="https://i.stack.imgur.com/FNqgh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FNqgh.png" alt="Messages panel"></a>

<ul>
<li>Then after the download/install, click "Intall Build Tools...":</li>
</ul>

<a href="https://i.stack.imgur.com/TYBwI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/TYBwI.png" alt="Messages panel"></a>

<ul>
<li>Then after the download/install, you will see Android under Tools menu</li>
</ul>

blocks|key|5451467|text|我在Windows10中遇到了同样的问题，并在另一篇文章中看到了这个解决方案……这对我很管用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5451468|设置系统环境变量ANDROID_HOME和ANDROID_SDK_ROOT|5451469|5451470|执行此操作...|unordered-list-item|5451471|5451472|-+Click+the+windows+key+and+start+typing+System.|code-block|syntax|javascript|5451473|-+Select+it+when+it+pops+up+in+the+menu.|5451474|-+Click+advanced+system+settings|5451475|-+Select+the+advanced+tab+|5451476|-+Click+Environmental+Variables+at+the+bottom+|5451477|-+Under+system+variables,+click+new|5451478|-+Enter+the+variable+name+|5451479|-+For+value,+enter+the+the+path+to+the+Android+SDK,+which+will+most+likely+be:
C:\Users[username]\AppData\Local\Android\Sdk+|5451480|-+Use+the+same+path+for+both+variables|5451481|​|5451482|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|18|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|1A|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|I|3|J|5|K|7|1C|8|@]|9|@]|A|$L|M]]|$1|N|3|O|5|K|7|1D|8|@]|9|@]|A|$L|M]]|$1|P|3|Q|5|K|7|1E|8|@]|9|@]|A|$L|M]]|$1|R|3|S|5|K|7|1F|8|@]|9|@]|A|$L|M]]|$1|T|3|U|5|K|7|1G|8|@]|9|@]|A|$L|M]]|$1|V|3|W|5|K|7|1H|8|@]|9|@]|A|$L|M]]|$1|X|3|Y|5|K|7|1I|8|@]|9|@]|A|$L|M]]|$1|Z|3|10|5|K|7|1J|8|@]|9|@]|A|$L|M]]|$1|11|3|12|5|K|7|1K|8|@]|9|@]|A|$L|M]]|$1|13|3|14|5|6|7|1L|8|@]|9|@]|A|$]]|$1|15|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]]|16|$]]

I had the same issue in Windows 10 and saw this solution in another post ... It worked for me.

Set-up the System Environmental Variables ANDROID_HOME and ANDROID_SDK_ROOT

<ul>
<li>To do this ... 

<ul>
<li>Click the windows key and start typing System. </li>
<li>Select it when it pops up in the menu. </li>
<li>Click advanced system settings </li>
<li>Select the advanced tab </li>
<li>Click Environmental Variables at the bottom </li>
<li>Under system variables, click new </li>
<li>Enter the variable name </li>
<li>For value, enter the the path to the Android SDK, which will most likely be: C:\Users[username]\AppData\Local\Android\Sdk </li>
<li>Use the same path for both variables</li>
</ul></li>
</ul>

blocks|key|4033326|text|如果你在使用React+Native时遇到这个问题，你可能正在尝试在Android+Studio中包含整个项目。您只需包含React+Native项目中的android文件夹。在此过程之后，Gradle将被同步，AVD管理器将返回。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|4033327|entityMap^0|6|C|Y|E|1P|C|25|7|2N|6|2Y|6|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]|$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|U|8|@]|D|@]|E|$]]]|G|$]]

If you encountered the problem when using React Native, you are probably trying to include the whole project in Android Studio. You only have to include the android folder from the React Native project. After this process, Gradle will be synchronized and AVD Manager will come back.

blocks|key|1582645|text|如果您从未使用过Android+Studio，并且没有项目，请使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1582646|..Opening的AVD管理器更加棘手！！|offset|length|style|BOLD|1582647|例如，如果您安装它是为了使用create-react-native-app项目的仿真器，而不是使用Android+Studio来编写或管理您的应用程序。|CODE|1582648|下面是访问AVD管理器的方法。|1582649|设置您的模拟器需要AVD管理器。|1582650|Android+Studio文档没有告诉您如何访问AVD管理器。从Open+the+AVD+Manager开始！|1582651|我只需要模拟器(和管理器)。|1582652|但我甚至没有行动所指的那个窗口。|1582653|在Configure菜单中没有任何东西，没有Preferences+(甚至Preferences+->+Tools)给我访问AVD管理器。|1582654|因此，在我的情况下，这是更混乱的没有直接访问AVD管理器！|1582655|我的create-react-native应用程序中也没有android文件夹，所以hamdi's+answer+above对我不起作用。|1582656|我所拥有的只是一个新的文件夹/git+repo：|1582657|create-react-native-app|1582658|My+Solution|1582659|在Android+Studio启动屏幕上，我选择：|1582660|Import+Android+Code+Sample|1582661|然后选择任意样本。(我选择列出的第一个示例)。|1582662|然后(在一堆下载/构建之后..)，然后打开OP引用的窗口。|1582663|然后我不得不更新gradle，就像user1449542's+post+above提到的那样。|1582664|在这一点上，Muhammad+Hannan's+answer+above很有帮助！我点击了他帖子底部图片中的图标--万岁！|1582665|(或者从菜单栏中选择：Tools+->+AVD+Manager+)|1582666|1582667|更好的解决方案：|1582668|从那以后我意识到启动屏幕选项：|1582669|Start+a+new+Android+Studio+Project也可以工作，甚至更快(下载/构建更少)，甚至可能不需要gradle文件更新(在另一篇文章中提到)，而我在下载示例项目时必须这样做。|1582670|只需使用缺省设置在缺省位置创建一个虚拟项目，然后选择|1582671|Add+No+Activity.|1582672|Android+Studio将“构建”这个虚拟项目，并设置它，然后打开你需要访问的窗口，图标和/或菜单栏。|1582673|将来，这个虚拟项目将出现在Android+Studio的启动屏幕的左侧。|1582674|只需单击虚拟项目以重新打开访问AVD管理器所需窗口。|1582675|然后，像以前一样，单击该图标(或者从菜单栏中选择：Tools+->+AVD+Manager)以创建/编辑AVD仿真器。|1582676|1582677|如果你使用的是React+Native+(创建react本地应用)，那么一旦你创建了一个AVD模拟器，你就可以使用start+an+emulator+from+the+command+line，而且可能不需要打开Android+Studio本身。(请参阅下面的注释)。|1582678|在选择+a+(从通过yarn+start运行您的应用程序的终端窗口)之前，请确保启动模拟器。|1582679|1582680|供参考的附加说明：|1582681|要从命令行启动仿真器：|1582682|emulator+-avd+<avd_emulator_name>|1582683|要列出已配置的仿真器：|1582684|emulator+-list-avds|1582685|1582686|+AVD_Nexus_6P_API_23|blockquote|1582687|1582688|AVD_Pixel_2_XL_API_27|1582689|AVD_Pixel_XL_API_25+|1582690|举个例子，我可以这样做：|1582691|emulator+-avd+AVD_Pixel_2_XL_API_27|1582692|1582693|更多信息|1582694|我还必须将以下行添加到我的.bash_profile中|1582695|export+JAVA_HOME=`/usr/libexec/java_home+-v+10`|code-block|syntax|javascript|1582696|注意:反划线之间的值是JAVA安装从我的终端回答的值。如果您单独在终端中输入该部分，它将显示Java的安装位置。如果您安装了不同版本的Java，只需用您的版本替换10即可。|1582697|然后，我从以下位置获得了以下路径：|1582698|1582699|安卓工作室启动屏幕->配置->+SDK+ManagerPreferences|unordered-list-item|1582700|Appearance+&+Behavior+->系统设置->+Android+SDK|1582701|Android+SDK位置：/Users/sherylhohman/Library/Android/sdk+|1582702|1582703|并将其用作添加以下行的值|1582704|export+ANDROID_HOME=/Users/sherylhohman/Library/Android/sdk|1582705|尽管我选择将其编写为以下内容：|1582706|export+ANDROID_HOME=$HOME/Library/Android/sdk|1582707|最后，我补充道：|1582708|PATH=$PATH:$ANDROID_HOME/emulator
PATH=$PATH:$ANDROID_HOME/tools
PATH=$PATH:$ANDROID_HOME/platform-tools
PATH=$PATH:$ANDROID_HOME/tools/bin
PATH=$PATH:$ANDROID_HOME/platform-tools/adb

export+PATH|1582709|我可能不需要...adb或1个或多个最后的路径条目。|1582710|这是许多互联网搜索的累积，许多相互冲突的解决方案。缺少的主要关键是访问AVD管理器(OP的问题)，这最终解决了问题。这恰好是我在尝试让安卓模拟器在我的create-react-native-+.batch_profile应用程序中工作的过程中，我已经添加到我的应用程序中的项目。|1582711|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/48846636/5411817|1|https://stackoverflow.com/a/48358410/5411817|2|https://stackoverflow.com/a/46948654/5411817|3|https://developer.android.com/studio/run/emulator-commandline.html#starting^0|0|0|M|0|0|24|E|N|0|0|F|0|0|G|0|0|1K|X|K|0|0|D|0|0|1|9|M|B|11|K|0|0|T|7|16|K|0|0|0|0|N|0|0|B|0|0|0|Q|0|0|0|H|O|1|0|6|U|2|0|B|K|0|0|0|8|0|0|0|Y|0|Y|1P|6|0|0|0|F|0|F|0|0|0|0|P|K|P|K|0|0|1L|13|3|0|4|1|19|1|4|1|A|A|0|0|0|9|0|0|B|0|0|X|0|X|0|0|B|0|0|J|0|J|0|0|0|K|0|0|0|L|0|0|K|0|0|C|0|0|Z|0|Z|0|0|0|4|0|0|R|D|D|0|0|0|2E|29|2|0|0|H|0|0|0|12|0|0|16|0|0|1H|E|13|0|0|0|C|0|0|0|F|0|0|0|8|0|0|0|Q|6|6|0|0|3V|0^^$0|@$1|2|3|4|5|6|7|4D|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|4E|8|@$D|4F|E|4G|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|4H|8|@$D|4I|E|4J|F|G]|$D|4K|E|4L|F|J]]|9|@]|A|$]]|$1|K|3|L|5|6|7|4M|8|@$D|4N|E|4O|F|G]]|9|@]|A|$]]|$1|M|3|N|5|6|7|4P|8|@$D|4Q|E|4R|F|G]]|9|@]|A|$]]|$1|O|3|P|5|6|7|4S|8|@$D|4T|E|4U|F|G]|$D|4V|E|4W|F|J]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|4X|8|@$D|4Y|E|4Z|F|G]]|9|@]|A|$]]|$1|S|3|T|5|6|7|50|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|51|8|@$D|52|E|53|F|J]|$D|54|E|55|F|J]|$D|56|E|57|F|J]]|9|@]|A|$]]|$1|W|3|X|5|6|7|58|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|59|8|@$D|5A|E|5B|F|J]]|9|@$D|5C|E|5D|1|5E]]|A|$]]|$1|10|3|11|5|6|7|5F|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|5G|8|@$D|5H|E|5I|F|J]]|9|@]|A|$]]|$1|14|3|15|5|6|7|5J|8|@$D|5K|E|5L|F|G]]|9|@]|A|$]]|$1|16|3|17|5|6|7|5M|8|@]|9|@]|A|$]]|$1|18|3|19|5|6|7|5N|8|@$D|5O|E|5P|F|J]]|9|@]|A|$]]|$1|1A|3|1B|5|6|7|5Q|8|@]|9|@]|A|$]]|$1|1C|3|1D|5|6|7|5R|8|@]|9|@]|A|$]]|$1|1E|3|1F|5|6|7|5S|8|@]|9|@$D|5T|E|5U|1|5V]]|A|$]]|$1|1G|3|1H|5|6|7|5W|8|@]|9|@$D|5X|E|5Y|1|5Z]]|A|$]]|$1|1I|3|1J|5|6|7|60|8|@$D|61|E|62|F|J]]|9|@]|A|$]]|$1|1K|3|-4|5|6|7|63|8|@]|9|@]|A|$]]|$1|1L|3|1M|5|6|7|64|8|@$D|65|E|66|F|G]]|9|@]|A|$]]|$1|1N|3|1O|5|6|7|67|8|@]|9|@]|A|$]]|$1|1P|3|1Q|5|6|7|68|8|@$D|69|E|6A|F|G]|$D|6B|E|6C|F|J]|$D|6D|E|6E|F|J]]|9|@]|A|$]]|$1|1R|3|1S|5|6|7|6F|8|@]|9|@]|A|$]]|$1|1T|3|1U|5|6|7|6G|8|@$D|6H|E|6I|F|G]|$D|6J|E|6K|F|J]]|9|@]|A|$]]|$1|1V|3|1W|5|6|7|6L|8|@]|9|@]|A|$]]|$1|1X|3|1Y|5|6|7|6M|8|@]|9|@]|A|$]]|$1|1Z|3|20|5|6|7|6N|8|@]|9|@]|A|$]]|$1|21|3|22|5|6|7|6O|8|@$D|6P|E|6Q|F|G]|$D|6R|E|6S|F|J]]|9|@]|A|$]]|$1|23|3|-4|5|6|7|6T|8|@]|9|@]|A|$]]|$1|24|3|25|5|6|7|6U|8|@]|9|@$D|6V|E|6W|1|6X]]|A|$]]|$1|26|3|27|5|6|7|6Y|8|@$D|6Z|E|70|F|G]|$D|71|E|72|F|G]|$D|73|E|74|F|J]|$D|75|E|76|F|J]]|9|@]|A|$]]|$1|28|3|-4|5|6|7|77|8|@]|9|@]|A|$]]|$1|29|3|2A|5|6|7|78|8|@$D|79|E|7A|F|G]]|9|@]|A|$]]|$1|2B|3|2C|5|6|7|7B|8|@$D|7C|E|7D|F|G]]|9|@]|A|$]]|$1|2D|3|2E|5|6|7|7E|8|@$D|7F|E|7G|F|G]|$D|7H|E|7I|F|J]]|9|@]|A|$]]|$1|2F|3|2G|5|6|7|7J|8|@$D|7K|E|7L|F|G]]|9|@]|A|$]]|$1|2H|3|2I|5|6|7|7M|8|@$D|7N|E|7O|F|G]|$D|7P|E|7Q|F|J]]|9|@]|A|$]]|$1|2J|3|-4|5|6|7|7R|8|@]|9|@]|A|$]]|$1|2K|3|2L|5|2M|7|7S|8|@$D|7T|E|7U|F|G]]|9|@]|A|$]]|$1|2N|3|-4|5|6|7|7V|8|@]|9|@]|A|$]]|$1|2O|3|2P|5|6|7|7W|8|@$D|7X|E|7Y|F|G]]|9|@]|A|$]]|$1|2Q|3|2R|5|6|7|7Z|8|@$D|80|E|81|F|G]]|9|@]|A|$]]|$1|2S|3|2T|5|6|7|82|8|@$D|83|E|84|F|G]]|9|@]|A|$]]|$1|2U|3|2V|5|6|7|85|8|@$D|86|E|87|F|G]|$D|88|E|89|F|J]]|9|@]|A|$]]|$1|2W|3|-4|5|6|7|8A|8|@]|9|@]|A|$]]|$1|2X|3|2Y|5|6|7|8B|8|@$D|8C|E|8D|F|G]]|9|@]|A|$]]|$1|2Z|3|30|5|6|7|8E|8|@$D|8F|E|8G|F|G]|$D|8H|E|8I|F|J]]|9|@]|A|$]]|$1|31|3|32|5|33|7|8J|8|@]|9|@]|A|$34|35]]|$1|36|3|37|5|6|7|8K|8|@$D|8L|E|8M|F|G]|$D|8N|E|8O|F|J]]|9|@]|A|$]]|$1|38|3|39|5|6|7|8P|8|@$D|8Q|E|8R|F|G]]|9|@]|A|$]]|$1|3A|3|-4|5|6|7|8S|8|@]|9|@]|A|$]]|$1|3B|3|3C|5|3D|7|8T|8|@$D|8U|E|8V|F|G]]|9|@]|A|$]]|$1|3E|3|3F|5|3D|7|8W|8|@$D|8X|E|8Y|F|G]]|9|@]|A|$]]|$1|3G|3|3H|5|3D|7|8Z|8|@$D|90|E|91|F|G]|$D|92|E|93|F|J]]|9|@]|A|$]]|$1|3I|3|-4|5|6|7|94|8|@]|9|@]|A|$]]|$1|3J|3|3K|5|6|7|95|8|@$D|96|E|97|F|G]]|9|@]|A|$]]|$1|3L|3|3M|5|33|7|98|8|@]|9|@]|A|$34|35]]|$1|3N|3|3O|5|6|7|99|8|@$D|9A|E|9B|F|G]]|9|@]|A|$]]|$1|3P|3|3Q|5|33|7|9C|8|@]|9|@]|A|$34|35]]|$1|3R|3|3S|5|6|7|9D|8|@$D|9E|E|9F|F|G]]|9|@]|A|$]]|$1|3T|3|3U|5|33|7|9G|8|@]|9|@]|A|$34|35]]|$1|3V|3|3W|5|6|7|9H|8|@$D|9I|E|9J|F|G]|$D|9K|E|9L|F|J]]|9|@]|A|$]]|$1|3X|3|3Y|5|6|7|9M|8|@$D|9N|E|9O|F|G]]|9|@]|A|$]]|$1|3Z|3|-4|5|6|7|9P|8|@]|9|@]|A|$]]]|40|$41|$5|42|43|44|A|$45|46]]|47|$5|42|43|44|A|$45|48]]|49|$5|42|43|44|A|$45|4A]]|4B|$5|42|43|44|A|$45|4C]]]]

If you have never used Android Studio Before, and do not have a Project 
..Opening the AVD Manager is even trickier!! 

For example, if you are installing it to use an emulator for a <code>create-react-native-app</code> project., but aren't otherwise using Android Studio to write or manage your app. 
Here is how you can gain access to the AVD Manager. 
AVD Manager is required to set-up your emulators. 
Android Studio Documentation does NOT tell you how to gain access to AVD Manager. It starts at <code>Open the AVD Manager</code>! 

I Just Need the emulator (and manager). 
But I did not even have the window the OP refers to. 
Nothing in the <code>Configure</code> menu, not <code>Preferences</code> (even <code>Preferences -&gt; Tools</code>) gave me access to AVD Manager.

So in my case it was even more confusing to have No Direct Access AVD Manager !

Nor did I have an <code>android</code> folder in my create-react-native-app app, so <a href="https://stackoverflow.com/a/48846636/5411817">hamdi's answer above</a> did not work for me.

All I had was a new folder/git repo from: 
<code>create-react-native-app</code>

My Solution 
On the Android Studio Startup Screen, I choose: 
<code>Import Android Code Sample</code> 
Then choose any sample. (I choose the first example listed).

Then (after a bunch of downloading/building..), then brought up the window the OP refers to. 
I then had to update gradle, as mentioned by <a href="https://stackoverflow.com/a/48358410/5411817">user1449542's post above</a>. 
At that point, <a href="https://stackoverflow.com/a/46948654/5411817">Muhammad Hannan's answer above</a> was helpful !!!
I clicked the icon from the bottom image in his post -- vioa! 
( Alternatively from the menu bar choose: <code>Tools -&gt; AVD Manager</code> )

<hr>

<h3>Better Solution:</h3>

I have since realized that the Startup Screen Option: 
<code>Start a new Android Studio Project</code>
also works and is even quicker (less to download/build), and might not even need <code>gradle</code> file updates (mentioned by another post) that I had to do when I downloaded a sample project.

Just use the default settings to create a dummy project in the default location, and choose 
<code>Add No Activity</code>. 

Android Studio will "build" this dummy project, and set it up, then open the Window you need to access said icon, and/or menu bar. 
In the future, this dummy project will appear on the left of Android Studio's Startup Screen. 
Just click on that dummy project to re-open the window you need to access AVD Manager. 
Then, as before, click that icon (or from the menu bar choose: <code>Tools -&gt; AVD Manager</code>) to create/edit AVD emulators. 

<hr>

If you're using React Native (create react native app), you can <a href="https://developer.android.com/studio/run/emulator-commandline.html#starting" rel="noreferrer">start an emulator from the command line</a>, once you have created an AVD emulator, and probably won't need to open Android Studio itself. (see notes below).

Be sure to start the emulator before choosing <code>a</code> (from the terminal window that's running your app via <code>yarn start</code>).

<hr>

Additional Notes for reference:

To start the emulator from the command line: 
<code>emulator -avd &lt;avd_emulator_name&gt;</code>

To list what emulators have been configured: 
<code>emulator -list-avds</code>

<blockquote>
 AVD_Nexus_6P_API_23 
 AVD_Pixel_2_XL_API_27 
 AVD_Pixel_XL_API_25 
</blockquote>

So, for example, I can do this: 
<code>emulator -avd AVD_Pixel_2_XL_API_27</code>

<hr>

Additional Information

I also had to add the following lines to my <code>.bash_profile</code>

<pre><code>export JAVA_HOME=`/usr/libexec/java_home -v 10`
</code></pre>

Note: the value between the back-ticks is what the JAVA install from my terminal replied. If you type that part into terminal by itself, it spits out the location Java was installed. If you have an different version of Java installed, just replace <code>10</code> with your version.

I then got the following path from: 
 - Android Studio Startup Screen -> Configure -> SDK ManagerPreferences 
 - Appearance &amp; Behavior -> System Settings -> Android SDK 
 - Android SDK Location: <code>/Users/sherylhohman/Library/Android/sdk</code> 

and used it as the value for adding the following line 

<pre><code>export ANDROID_HOME=/Users/sherylhohman/Library/Android/sdk
</code></pre>

Though I chose to write it as the following instead: 

<pre><code>export ANDROID_HOME=$HOME/Library/Android/sdk
</code></pre>

Finally I added: 

<pre><code>PATH=$PATH:$ANDROID_HOME/emulator
PATH=$PATH:$ANDROID_HOME/tools
PATH=$PATH:$ANDROID_HOME/platform-tools
PATH=$PATH:$ANDROID_HOME/tools/bin
PATH=$PATH:$ANDROID_HOME/platform-tools/adb

export PATH
</code></pre>

I may not have needed the <code>...adb</code> or 1 or more of the last PATH entries. 
This was a cumulation of many internet searches, many conflicting solutions. The major missing key was accessing AVD Manager (OP's question), which finally solved the problem. This just happens to be the items I had already added to my .batch_profile along the way trying to get the android emulator working inside my create-react-native-app App!.

blocks|key|5451638|text|按照事件日志进行安装可解决此问题|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5451639|📷|atomic|offset|length|5451640|​|5451641|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/c464adfe18f24fa2f01441937efbe71c.png|imageAlt^0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@$E|T|F|U|1|V]]|A|$]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|J|$K|$5|L|M|N|A|$O|P|Q|-4]]]]

Following the event log to install resolves the issue <a href="https://i.stack.imgur.com/1vyhW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1vyhW.png" alt="install plugins"></a>

blocks|key|5451690|text|我在Android+Studio+(3.2版)的工具栏下找到了这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5451691|​|5451692|📷|atomic|offset|length|5451693|5451694|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/0789cd7bcccc20db12befdfe45007940.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 found this just under the toolbar in Android Studio (v3.2):

<a href="https://i.stack.imgur.com/14h3R.png" rel="noreferrer"><img src="https://i.stack.imgur.com/14h3R.png" alt="enter image description here"></a>

blocks|key|4033491|text|我无法在android+studio+3.1.2版本中轻松找到AVD管理器。为了启动AVD管理器，我必须创建一个示例项目，然后从那里启动它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4033492|我在这里记录了我的所有步骤，以防任何人想从中受益。|4033493|How+to+launch+AVD+manager+on+Android+Studio+3.1.2|offset|length|4033494|entityMap|0|LINK|mutability|MUTABLE|url|https://automationlab0000.wordpress.com/2018/11/14/avd-manager/^0|0|0|0|1D|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

I was not able to find AVD manager in android studio easily for Android studio version 3.1.2.In order to launch AVD manager, i had to create a sample project and then launch it from there.

I have documented all my steps here, in case any one wants to get benifitted.

<a href="https://automationlab0000.wordpress.com/2018/11/14/avd-manager/" rel="nofollow noreferrer">How to launch AVD manager on Android Studio 3.1.2</a>

blocks|key|1582771|text|你可以在android+studio+3.2.0以上的版本中找到SDK管理器、AVD管理器的右上方。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1582772|如果你想通过commmand+promat运行，你可以去cd+Library/Android/sdk/tools/bin。/avdmanager+list|1582773|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|$]]

you can find SDK manager,AVD manager TOP right side on android studio version more than 3.2.0.

and if you want to run via commmand promat you can go to 
cd Library/Android/sdk/tools/bin
./avdmanager list

blocks|key|4033566|text|点击ctrl%2Bshift%2Ba并搜索avd并点击它|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4033567|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|$]]

Hit ctrl+shift+a and search avd and click on it

blocks|key|1922905|text|在Andriod+Studio+3.5中，它在这里|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1922906|​|1922907|📷|atomic|offset|length|1922908|1922909|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/272e0461edb7e757552289eb9dbff47c.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]]]]

In Andriod Studio 3.5 its here

<a href="https://i.stack.imgur.com/vl7i9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vl7i9.png" alt="enter image description here"></a>

after I update Android Studio from 2.3 to 3.0 version. I can not find AVD Manager in Tools/Android/AVD Manager. 

<img src="https://i.stack.imgur.com/tlNj5.png" alt="Option under tools">

How to open AVD manager in Android Studio 3.0 version?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在我将Android Studio从2.3更新到3.0版本之后。我在Tools/Android/AVD Manager中找不到AVD管理器。​​

问如何在Android Studio 3.0版本中打开AVD管理器？
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问如何在Android Studio 3.0版本中打开AVD管理器？EN