blocks|key|130322|text|可能您的设备不支持屏幕记录器，有许多设备不支持屏幕记录器，因此这是设备问题。如果你想记录你的应用程序屏幕，那么只需在android模拟器或genymotion上运行该应用程序，然后启动桌面屏幕记录器并调整桌面屏幕以适应模拟器。PC上有很多录像机，但我更喜欢cam+studio+8。谢谢|type|unstyled|depth|inlineStyleRanges|entityRanges|data|130323|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|$]]

Maybe your device does not support the screen recorder, there are many devices which does not support screen recorder thus this is device issue. If you want to record your app screen then simply run the app on android emulator or on genymotion and start your desktop screen recorder and adjust the desktop screen to fit emulator. There are many screen recorder for PC but i prefer cam studio 8.
Thanks

blocks|key|2905715|text|进入你的菜单|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2905716|2905717|View+Android|unordered-list-item|offset|length|style|CODE|2905718|+->+Tool+Windows+->|2905719|您将在左下角找到记录图标。|2905720|​|2905721|📷|atomic|2905722|2905723|如果您使用的是AVD，请确保禁用“使用主机GPU”。|2905724|要录制应用程序的视频，请执行以下操作：|2905725|使用应用程序启动应用程序，如在调试模式下运行您的应用程序中所述。在Android+DDMS+tool+window.|2905726|Click+Start+Recording.|2905727|
|2905728|Interact的左侧，单击|2905729|2905730|打开Android+DDMS+tool+window.|2905731|2905732|Click+Start+Recording.|2905733|2905734|Interact屏幕记录。|2905735|2905736|单击Stop+a+Recording.|2905737|Interact+Recording.|2905738|Enter+a+file+name，然后单击OK。|2905739|2905740|2905741|来源：https://developer.android.com/tools/debugging/ddms.html|2905742|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/495b961eec2ae1604e1696fc7474cda2.png|imageAlt|1|LINK|MUTABLE|url|https://developer.android.com/tools/debugging/ddms.html^0|0|0|0|4|5|7|0|4|C|0|0|0|0|1|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|3|1J|1|0^^$0|@$1|2|3|4|5|6|7|23|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|24|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|25|8|@$F|26|G|27|H|I]|$F|28|G|29|H|I]]|9|@]|A|$]]|$1|J|3|K|5|6|7|2A|8|@$F|2B|G|2C|H|I]]|9|@]|A|$]]|$1|L|3|M|5|6|7|2D|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|2E|8|@]|9|@]|A|$]]|$1|P|3|Q|5|R|7|2F|8|@]|9|@$F|2G|G|2H|1|2I]]|A|$]]|$1|S|3|O|5|6|7|2J|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|2K|8|@]|9|@]|A|$]]|$1|V|3|W|5|6|7|2L|8|@]|9|@]|A|$]]|$1|X|3|Y|5|6|7|2M|8|@]|9|@]|A|$]]|$1|Z|3|10|5|E|7|2N|8|@]|9|@]|A|$]]|$1|11|3|12|5|6|7|2O|8|@]|9|@]|A|$]]|$1|13|3|14|5|E|7|2P|8|@]|9|@]|A|$]]|$1|15|3|12|5|6|7|2Q|8|@]|9|@]|A|$]]|$1|16|3|17|5|E|7|2R|8|@]|9|@]|A|$]]|$1|18|3|12|5|6|7|2S|8|@]|9|@]|A|$]]|$1|19|3|1A|5|E|7|2T|8|@]|9|@]|A|$]]|$1|1B|3|12|5|6|7|2U|8|@]|9|@]|A|$]]|$1|1C|3|1D|5|E|7|2V|8|@]|9|@]|A|$]]|$1|1E|3|12|5|6|7|2W|8|@]|9|@]|A|$]]|$1|1F|3|1G|5|E|7|2X|8|@]|9|@]|A|$]]|$1|1H|3|1I|5|E|7|2Y|8|@]|9|@]|A|$]]|$1|1J|3|1K|5|E|7|2Z|8|@]|9|@]|A|$]]|$1|1L|3|-4|5|6|7|30|8|@]|9|@]|A|$]]|$1|1M|3|-4|5|6|7|31|8|@]|9|@]|A|$]]|$1|1N|3|1O|5|6|7|32|8|@]|9|@$F|33|G|34|1|35]]|A|$]]|$1|1P|3|-4|5|6|7|36|8|@]|9|@]|A|$]]]|1Q|$1R|$5|1S|1T|1U|A|$1V|1W|1X|-4]]|1Y|$5|1Z|1T|20|A|$21|22]]]]

Go to your menu

<ul>
<li><code>View</code> -> <code>Tool Windows</code> -> <code>Android</code></li>
</ul>

You will find the record icon at the bottom left corner.

<img src="https://i.stack.imgur.com/o1h0K.png" alt="enter image description here">

If you are using an AVD, make sure "Use host GPU" is disabled.

To take a video recording of your app:

<ul>
<li>Start your app as described in Run your App in Debug Mode.</li>
<li>Click Android to open the Android DDMS tool window.</li>
<li>Click Screen Record on the left side of the Android DDMS tool window.</li>
<li>Click Start Recording.</li>
<li>Interact with your app.</li>
<li>Click Stop Recording.</li>
<li>Enter a file name for the recording and click OK.</li>
</ul>

Source: <a href="https://developer.android.com/tools/debugging/ddms.html">https://developer.android.com/tools/debugging/ddms.html</a>

blocks|key|132559|text|我也有同样的问题。当我没有运行，但调试了+de+app时，这个问题就解决了。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|132560|​|132561|📷|atomic|132562|132563|一旦你调试了你的应用程序，即使你只是在没有调试的情况下运行你的应用程序，图标也会被启用。|132564|我猜你开发的每个应用程序都必须这样做，因为它必须是一个调试功能或类似的功能。|132565|*请注意，在这张图片中，我使用的是Android+Studio+post+2.0，但当这个问题发生在我身上时，我使用的是2.0之前的版本，所以这应该无关紧要。|132566|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/1330f7b635718ea56b420ba94311dd8e.png|imageAlt^0|H|3|0|0|0|1|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|13|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|14|8|@]|D|@$9|15|A|16|1|17]]|E|$]]|$1|K|3|G|5|6|7|18|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|19|8|@]|D|@]|E|$]]|$1|N|3|O|5|6|7|1A|8|@]|D|@]|E|$]]|$1|P|3|Q|5|6|7|1B|8|@]|D|@]|E|$]]|$1|R|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]]|S|$T|$5|U|V|W|E|$X|Y|Z|-4]]]]

I had the same problem. It was solved when I didn't run but debugged de app.

<a href="https://i.stack.imgur.com/7ANnG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7ANnG.png" alt="Debug icon in Android Studio IDE"></a>

Once you have debugged your app, the icon will be enabled even if you just run your app without debugging.

I guess this has to be done for each app you develop, as it must be a debugging feature or something like that.

*Note that at this image I'm using Android Studio post 2.0, but when this problem happened to me I was using pre 2.0, so that should not matter.

blocks|key|132030|text|Android+SDK模拟器不支持录制：https://code.google.com/p/android/issues/detail?id=61682|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|132031|screenrecord命令完全缺失：|style|CODE|132032|i:\>adb+-e+shell
root@generic_x86_64:/+#+screenrecord
/system/bin/sh:+screenrecord:+not+found
127%7Croot@generic_x86_64:/+#|code-block|syntax|javascript|132033|在Windows上，我建议使用Fraps通用屏幕捕获工具作为替代。这是一个很棒的工具，有太多年的历史了。我和他们没有关系，我只是在玩游戏的时候用过它。在Movies选项卡上添加Video+Capture热键，并使用该热键开始/停止录制。记录时，FPS计数器将变为红色。|BOLD|132034|entityMap|0|LINK|mutability|MUTABLE|url|https://code.google.com/p/android/issues/detail?id=61682^0|K|1K|0|0|0|C|0|0|F|5|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@$A|12|B|13|F|G]]|9|@]|C|$]]|$1|H|3|I|5|J|7|14|8|@]|9|@]|C|$K|L]]|$1|M|3|N|5|6|7|15|8|@$A|16|B|17|F|O]]|9|@]|C|$]]|$1|P|3|-4|5|6|7|18|8|@]|9|@]|C|$]]]|Q|$R|$5|S|T|U|C|$V|W]]]]

Android SDK Emulators don't support recording:
<a href="https://code.google.com/p/android/issues/detail?id=61682" rel="noreferrer">https://code.google.com/p/android/issues/detail?id=61682</a>

The <code>screenrecord</code> command is simply missing:

<pre><code>i:\&gt;adb -e shell
root@generic_x86_64:/ # screenrecord
/system/bin/sh: screenrecord: not found
127|root@generic_x86_64:/ #
</code></pre>

On Windows I suggest using the Fraps generic screen capture tool as an alternative. It's an awesome tool with too many years of history to count. I'm not affiliated with them, I just used it "back in the day" when I was gaming a lot. On the Movies tab add a Video Capture Hotkey and use that to start/stop the recording. The FPS counter will be red while recording.

blocks|key|2693828|text|在仿真器的情况下，我认为你应该安装DirectX+End-User+Runtime|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2693829|为另一个应用程序安装了它，幸运的是，Android+Sceer记录工作正常，不会变灰！|2693830|希望这能对其他人有所帮助|2693831|entityMap|0|LINK|mutability|MUTABLE|url|https://www.microsoft.com/en-us/download/confirmation.aspx?id=35^0|H|O|0|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

In case of emulator I experienced that you should install <a href="https://www.microsoft.com/en-us/download/confirmation.aspx?id=35" rel="nofollow noreferrer">DirectX End-User Runtime</a>

Installed it for another application and luckily also Android Sceer Record is working fine and isn't greyed out!

Hope this help some other people

blocks|key|132665|text|在较新版本的Android+Studio中，它的需要一个外部的安卓手机来录制屏幕，最好是分辨率至少为720p。因为内部在虚拟内存上运行，所以它不能被记录，因此被禁用，因为它不能同时记录和运行模拟器。我运行的是Android+Studio+2.3.2，这是我体验过的最新版本。但当我关闭模拟器并连接我的HTC+One+M9时，它会自动启用录音按钮来记录电话，而不是模拟的设备。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|BOLD|entityRanges|data|132666|检查下面的图像以及它们在红色圆圈中的区别：|132667|第一个图像，计算机上的模拟设备：|132668|📷|atomic|132669|​|132670|第二个图像，连接到计算机的个人设备：|132671|132672|132673|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/0089c03f68e32e8787079de7017d01a5.jpeg|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/ac3844571c3bac3097745a96eb017849.jpeg^0|6|E|1E|4|2W|K|46|A|O|B|0|0|0|0|1|0|0|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]|$9|1B|A|1C|B|C]|$9|1D|A|1E|B|D]]|E|@]|F|$]]|$1|G|3|H|5|6|7|1F|8|@]|E|@]|F|$]]|$1|I|3|J|5|6|7|1G|8|@]|E|@]|F|$]]|$1|K|3|L|5|M|7|1H|8|@]|E|@$9|1I|A|1J|1|1K]]|F|$]]|$1|N|3|O|5|6|7|1L|8|@]|E|@]|F|$]]|$1|P|3|Q|5|6|7|1M|8|@]|E|@]|F|$]]|$1|R|3|L|5|M|7|1N|8|@]|E|@$9|1O|A|1P|1|1Q]]|F|$]]|$1|S|3|O|5|6|7|1R|8|@]|E|@]|F|$]]|$1|T|3|-4|5|6|7|1S|8|@]|E|@]|F|$]]]|U|$V|$5|W|X|Y|F|$Z|10|11|-4]]|12|$5|W|X|Y|F|$Z|13|11|-4]]]]

In newer versions of <code>Android Studio</code> it requires an external Android phone to record screen from preferably with a resolution of at least <code>720p</code>. Since the internal runs on the virtual memory it can't be recorded and is therefore disabled as it can't both record and run emulator at same time. 
I'm running <code>Android Studio 2.3.2</code> which is the latest and the one I experienced this on. But when I closed the emulator and connected my <code>HTC One M9</code> it automatically enabled recording button to record the phone instead of the emulated device. 
Check the images below and the difference between them in the red circles:

First image, emulated device on the computer:
<a href="https://i.stack.imgur.com/JkDPf.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/JkDPf.jpg" alt="Emulated device not able to make a screen recording"></a>

Second image, personal device connected to computer:
<a href="https://i.stack.imgur.com/M2Gdm.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/M2Gdm.jpg" alt="Personal device connected and ready to be recorded from Android Studio"></a>

blocks|key|2693906|text|也许你应该换个手机，就像这样：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2693907|使用华为时，屏幕记录处于关闭状态：|2693908|​|2693909|📷|atomic|offset|length|2693910|2693911|但是当换成努比亚的时候，它就能工作了！|2693912|2693913|2693914|2693915|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/0bfe056462a6dec74946d690f45448c0.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/230d50e2ee09a417f6d3bbcb4406725b.png^0|0|0|0|0|1|0|0|0|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|13|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|14|8|@]|9|@$I|15|J|16|1|17]]|A|$]]|$1|K|3|E|5|6|7|18|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|19|8|@]|9|@]|A|$]]|$1|N|3|E|5|6|7|1A|8|@]|9|@]|A|$]]|$1|O|3|G|5|H|7|1B|8|@]|9|@$I|1C|J|1D|1|1E]]|A|$]]|$1|P|3|E|5|6|7|1F|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1G|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X|Y|-4]]|Z|$5|T|U|V|A|$W|10|Y|-4]]]]

Maybe you should just change a phone,like this:

When using HUAWEI,the screen record is disabled:

<a href="https://i.stack.imgur.com/oqgSo.png" rel="noreferrer"><img src="https://i.stack.imgur.com/oqgSo.png" alt="Image1"></a>

But when changing to Nubia, it works!

<a href="https://i.stack.imgur.com/7bjE8.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7bjE8.png" alt="Image2"></a>

blocks|key|132166|text|现在你也可以从Android模拟器录制视频，按照下面的选项操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|132167|132168|选择more+|unordered-list-item|offset|length|style|BOLD|132169|132170|📷|atomic|132171|选项|132172|132173|，然后选择Record+screen+|132174|132175|132176|选项。|132177|查看下面的屏幕截图：|132178|​|132179|132180|132181|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/d65d020293a74357638d309c356f5d3b.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/ea8bb8d44d23290d19dad2f7f54375b2.png|2|https://ask.qcloudimg.com/http-save/yehe-900000/c7bcd56b2fa1da9c2b28d1135469408a.png^0|0|0|2|4|0|0|0|1|0|0|0|0|5|D|0|0|0|1|1|0|0|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1G|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1H|8|@$F|1I|G|1J|H|I]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]|$1|K|3|L|5|M|7|1L|8|@]|9|@$F|1M|G|1N|1|1O]]|A|$]]|$1|N|3|O|5|6|7|1P|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|Q|3|R|5|E|7|1R|8|@$F|1S|G|1T|H|I]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|1U|8|@]|9|@]|A|$]]|$1|T|3|L|5|M|7|1V|8|@]|9|@$F|1W|G|1X|1|1Y]]|A|$]]|$1|U|3|V|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|20|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|21|8|@]|9|@]|A|$]]|$1|10|3|L|5|M|7|22|8|@]|9|@$F|23|G|24|1|25]]|A|$]]|$1|11|3|Z|5|6|7|26|8|@]|9|@]|A|$]]|$1|12|3|-4|5|6|7|27|8|@]|9|@]|A|$]]]|13|$14|$5|15|16|17|A|$18|19|1A|-4]]|1B|$5|15|16|17|A|$18|1C|1A|-4]]|1D|$5|15|16|17|A|$18|1E|1A|-4]]]]

Now you can also record video from Android emulator to follow below option:

<ul>
<li>Select more <a href="https://i.stack.imgur.com/0LFYO.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0LFYO.png" alt="more option"></a> option</li>
<li>Then select Record screen <a href="https://i.stack.imgur.com/7SsTZ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7SsTZ.png" alt="record screen"></a> option.</li>
</ul>

Check below screenshot:

<a href="https://i.stack.imgur.com/zae00.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zae00.png" alt="Record android emulator screen"></a>

blocks|key|2694015|text|打开Android+emilator，点击右边栏更多按钮"...“打开新窗口，录制屏幕并开始录制It's+OK+https://developer.android.com/studio/run/emulator.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2694016|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/studio/run/emulator.html^0|1K|1I|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Open Android emilator,
Click to right sidebar more button "..."
Open new window, Record Screen and start record
It's OK 
<a href="https://developer.android.com/studio/run/emulator.html" rel="nofollow noreferrer">https://developer.android.com/studio/run/emulator.html</a>

blocks|key|2906175|text|如果你有一个真实的设备，在调试模式下运行它，然后转到Logcat视图，左边会有一个屏幕录制按钮。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2906176|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 a real device run it in debug mode and then go to the Logcat view there will be a screen recording button on the left.

blocks|key|132252|text|为那些从来没有找到屏幕录制器按钮或截图按钮的人。这就是你要的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|132253|首先，确保LogCat处于打开状态(按F6，至少在OSx上)。|offset|length|style|BOLD|132254|然后，您可能会发现仍然看不到任何录制按钮。只需将鼠标悬停在下图中的小“溢出”箭头上即可。|132255|​|132256|📷|atomic|132257|132258|您现在应该看到record按钮，如下图所示。|132259|132260|132261|132262|恭喜，如果你的设备支持屏幕录制，只需点击按钮，弹出一个对话框，要求你输入分辨率和比特率|132263|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/dc08c41677783aa04fa3b17007cb7af2.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/e7837a35d39d2799b431343ee5ef9ece.png^0|0|0|V|0|0|0|0|1|0|0|0|0|0|0|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|18|8|@$D|19|E|1A|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|1B|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|1C|8|@]|9|@]|A|$]]|$1|L|3|M|5|N|7|1D|8|@]|9|@$D|1E|E|1F|1|1G]]|A|$]]|$1|O|3|K|5|6|7|1H|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1I|8|@]|9|@]|A|$]]|$1|R|3|K|5|6|7|1J|8|@]|9|@]|A|$]]|$1|S|3|M|5|N|7|1K|8|@]|9|@$D|1L|E|1M|1|1N]]|A|$]]|$1|T|3|K|5|6|7|1O|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1P|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13|14|-4]]|15|$5|Z|10|11|A|$12|16|14|-4]]]]

for those who never found screen recorder button or screenshot button. here you go
First, make sure you have LogCat open (Press F6, at least on OSx).
Then you might find that you still don't see any record button. Just hover on the tiny &quot;overflow&quot; arrow seen in the image below.
<a href="https://i.stack.imgur.com/k6OIF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/k6OIF.png" alt="enter image description here" /></a>
You should now see the record button, indicated in the image below.
<a href="https://i.stack.imgur.com/LSNeP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LSNeP.png" alt="enter image description here" /></a>
Congratulations, if your device supports screen recording, just click the button and up will pop a dialog asking you to input resolution and bitrate

blocks|key|2906320|text|您可以从命令行将视频录制到.mp4文件中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2906321|adb+shell+screenrecord+/sdcard/video.mp4|offset|length|style|CODE|2906322|完成录制后，请按Ctrl%2BC。|2906323|然后，您可以将文件复制到您的计算机(当前文件夹)|2906324|adb+pull+/sdcard/video.mp4|2906325|如果需要，您可以从sdcard中删除该文件|2906326|adb+shell+rm+/sdcard/video.mp4|2906327|entityMap^0|0|0|14|0|0|0|0|Q|0|0|0|U|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@$D|V|E|W|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|Y|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|Z|8|@$D|10|E|11|F|G]]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|13|8|@$D|14|E|15|F|G]]|9|@]|A|$]]|$1|R|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|S|$]]

You can record videos from the command line into an .mp4 file:
<code>adb shell screenrecord /sdcard/video.mp4</code>
When you are done recording, press Ctrl+C.
Then you can copy the file to your computer (current folder)
<code>adb pull /sdcard/video.mp4</code>
If you want you can delete the file from the sdcard
<code>adb shell rm /sdcard/video.mp4</code>

blocks|key|132284|text|我犯了一个愚蠢的错误，那就是我连接了两台安卓设备。我正在录制一个锁定的，所以我的视频总是18mb和黑屏，不能在快速播放。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|132285|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|$]]

stupid mistake I made was I had two android devices connected.
And I was recording off the locked one so my video was always 18mb and black screen and wouldnt play in quicktime.

blocks|key|2694188|text|作为MacOS用户的一种解决方法|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2694189|Open+QuickTime+Player+->+File+->+New+Screen+Recording+|code-block|syntax|javascript|2694190|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

As a workaround for MacOS users
<pre><code>Open QuickTime Player -&gt; File -&gt; New Screen Recording 
</code></pre>

blocks|key|132287|text|在Android+Studio北极狐上，他们已经将这个功能转移到了logcat+https://developer.android.com/studio/debug/am-video上|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|132288|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/studio/debug/am-video^0|14|1F|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

On Android Studio Arctic Fox They have moved this functionality to the logcat
<a href="https://developer.android.com/studio/debug/am-video" rel="nofollow noreferrer">https://developer.android.com/studio/debug/am-video</a>

I connect my phone to Android Studio and code. I want to record my phone screen. I saw <a href="https://stackoverflow.com/questions/26701631/how-to-record-android-screen-with-android-studio">this</a> but that button is disabled in my Android Studio. I can capture screens but can't record. Can someone help me with this?
UPDATE
<img src="https://i.stack.imgur.com/Fkqe0.png" alt="enter image description here" />
This is how it is there in my Android studio. The button is disabled

How to record screen with Android Studio

Android Studio

Android

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MacOS

我将我的手机连接到Android Studio和代码。我想录制我的电话屏幕。我看到了，但这个按钮在我的Android Studio中是禁用的。我可以截取屏幕，但不能记录。有人能帮我一下吗？更新​​这就是它在我的Android工作室里的样子。该按钮处于禁用状态

问如何使用Android Studio录制屏幕
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