blocks|key|114859|text|检查您的android构建工具依赖项。在你的build.gradle中，如果它是这样的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|114860|classpath+"com.android.tools.build:gradle:%2B"|code-block|syntax|javascript|114861|它可能已经下载了2.2的alpha版本，这可能会导致您看到的错误。|114862|试一试|114863|classpath+"com.android.tools.build:gradle:2.1.0"|114864|如果您已经在使用正确的构建工具版本，但不断收到此错误，则可能是由于相同的原因，您正在使用的某个第三方Android库导致了该问题。您可以通过更改以下内容来强制使用依赖项版本(包括可传递的|114865|classpath+"com.android.tools.build:gradle:2.1.0"|114866|至|114867|classpath('com.android.tools.build:gradle:2.1.0')+{
++++++++force+=+true
++++}|114868|文档：gist和official+gradle+docs。|offset|length|114869|entityMap|0|LINK|mutability|MUTABLE|url|https://gist.github.com/cr7pt0gr4ph7/6cd6339eabc2056bc3e7|1|https://docs.gradle.org/current/dsl/org.gradle.api.artifacts.ResolutionStrategy.html#org.gradle.api.artifacts.ResolutionStrategy:force(java.lang.Object[]))^0|0|0|0|0|0|0|0|0|0|3|4|0|8|K|1|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1A|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|1B|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|1C|8|@]|9|@]|A|$E|F]]|$1|M|3|N|5|6|7|1D|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|1E|8|@]|9|@]|A|$E|F]]|$1|Q|3|R|5|6|7|1F|8|@]|9|@]|A|$]]|$1|S|3|T|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|U|3|V|5|6|7|1H|8|@]|9|@$W|1I|X|1J|1|1K]|$W|1L|X|1M|1|1N]]|A|$]]|$1|Y|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]|16|$5|11|12|13|A|$14|17]]]]

Check your android build tools dependencies. In your build.gradle if its something like:

<pre><code>classpath "com.android.tools.build:gradle:+"
</code></pre>

It has likely downloaded the alpha of 2.2 and that can cause the error you are seeing.

Try

<pre><code>classpath "com.android.tools.build:gradle:2.1.0"
</code></pre>

If you are already using the right build tools version but keep getting this error, maybe one of the third party Android libraries you are using is causing the problem due to the same reason. You can force the dependency version to be used (including transitive) by changing

<pre><code>classpath "com.android.tools.build:gradle:2.1.0"
</code></pre>

to

<pre><code>classpath('com.android.tools.build:gradle:2.1.0') {
 force = true
 }
</code></pre>

Documentation: <a href="https://gist.github.com/cr7pt0gr4ph7/6cd6339eabc2056bc3e7">gist</a> and <a href="https://docs.gradle.org/current/dsl/org.gradle.api.artifacts.ResolutionStrategy.html#org.gradle.api.artifacts.ResolutionStrategy:force(java.lang.Object[])">official gradle docs</a>.

blocks|key|2875844|text|我也面临着同样的问题。我升级了Android+Studio，当它被迫安装JDK+8时，我也下载并安装了它。但我们也需要在应用程序设置中配置相同的内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2875845|2875846|选择项目右键单击app模块->打开模块设置->从左侧菜单中选择->位置->配置正确的JDK版本，即删除了JDK的旧版本和更新路径。保存。|ordered-list-item|2875847|同步项目。|2875848|2875849|问题解决了！|2875850|编辑:详述Project+word。|2875851|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|P|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|Q|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|R|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

I was also facing the same problem. I upgraded Android Studio and as it forced to install JDK 8, downloaded and installed this as well. But we need to configure same in App Settings as well. 

<ol>
<li>Select Project [Right click on the app module] -> Open Module Settings -> Select SDK Location from Left Menu - > Configured correct JDK Version i.e removed the old version and updated path of JDK. Save.</li>
<li>Sync Project.</li>
</ol>

Problem solved!

EDIT: Elaborated Project word.

blocks|key|117335|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|117336|我也遇到了这个问题，但在它发生之前我什么都没有改变。我认为谷歌是故意的。由于谷歌和甲骨文之间的诉讼，谷歌正试图使用openJDK而不是JDK。所以，在android+2.2.0的新版本中，我们发现在安装的文件夹中有一些新的文件：|117337|android+studio+2.1+files|offset|length|117338|android+studio+2.2+files|117339|然后，我认为我们有两种方法来修复它：|117340|117341|更改操作系统的JDK环境变量。|ordered-list-item|117342|只需单击菜单文件-->项目结构，选择使用嵌入式JDK+(推荐)。我选择了这种方式，它起作用了。|117343|117344|祝你好运。|117345|entityMap|0|LINK|mutability|MUTABLE|url|http://i.stack.imgur.com/Djmkg.png|1|http://i.stack.imgur.com/AOJmD.png^0|0|0|0|O|0|0|0|O|1|0|0|0|0|0|0|0^^$0|@$1|2|3|-4|4|5|6|13|7|@]|8|@]|9|$]]|$1|A|3|B|4|5|6|14|7|@]|8|@]|9|$]]|$1|C|3|D|4|5|6|15|7|@]|8|@$E|16|F|17|1|18]]|9|$]]|$1|G|3|H|4|5|6|19|7|@]|8|@$E|1A|F|1B|1|1C]]|9|$]]|$1|I|3|J|4|5|6|1D|7|@]|8|@]|9|$]]|$1|K|3|-4|4|5|6|1E|7|@]|8|@]|9|$]]|$1|L|3|M|4|N|6|1F|7|@]|8|@]|9|$]]|$1|O|3|P|4|N|6|1G|7|@]|8|@]|9|$]]|$1|Q|3|-4|4|5|6|1H|7|@]|8|@]|9|$]]|$1|R|3|S|4|5|6|1I|7|@]|8|@]|9|$]]|$1|T|3|-4|4|5|6|1J|7|@]|8|@]|9|$]]]|U|$V|$4|W|X|Y|9|$Z|10]]|11|$4|W|X|Y|9|$Z|12]]]]

<hr>

I meet the problem too, but I have changed nothing before it's happening. I think google is purposely. Google is trying to use openJDK instead of JDK because of the lawsuit between google and oracle. So, in the new version 2.2.0 of android, we found that there are some new files in the installed folder:

<a href="http://i.stack.imgur.com/Djmkg.png" rel="nofollow">android studio 2.1 files</a>

<a href="http://i.stack.imgur.com/AOJmD.png" rel="nofollow">android studio 2.2 files</a>

Then, I think we have two method to fix it:

<ol>
<li>Change the JDK environment variable of your OS.</li>
<li>Just click menu File --> Project Structure, choose Use embedded JDK (recommended). I chose this way and it work. </li>
</ol>

Good luck...

blocks|key|117355|text|​|type|unstyled|depth|inlineStyleRanges|entityRanges|data|117356|📷|atomic|offset|length|117357|117358|我也面临着同样的问题。我升级了Android+Studio，这是被迫的，但我们也需要在应用程序设置中进行配置。|117359|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/923b02a05438b5139bb16e77c0c9c0f1.png|imageAlt^0|0|0|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@$E|U|F|V|1|W]]|A|$]]|$1|G|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q|R|-4]]]]

<a href="https://i.stack.imgur.com/G5D5D.png"><img src="https://i.stack.imgur.com/G5D5D.png" alt="select Mark "></a>

I was also facing same problem. I upgraded Android Studio and as it forced to But we need to configure same in App Settings as well.

blocks|key|2875942|text|我也有同样的问题，对我来说最有效的是。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2875943|转到*File>Settings>(在面板左侧)Build，Execution，Deployment。然后单击Gradle|2875944|有更新Gradle的选项。单击它将花费3到4分钟的时间，然后错误消失。|2875945|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|$]]

I had a same problem what is work for me is that .

Go
*File>Settings>(on the panel left)Build,Execution,Deployment . then click on Gradle

There is option to Update Gradle. Click on that it will time 3 to 4min and after that error gone.

blocks|key|115280|text|您可以尝试更新JAVA_HOME以指向JDK8位置。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|115281|在我的例子中，我更新了Android+studio项目的SDK设置，更改了PATH环境变量中的java版本，但仍然出现了这个错误。只有更新JAVA_HOME对我有帮助。|115282|entityMap^0|7|9|0|1B|4|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

You can try to update JAVA_HOME to point to JDK 8 location.

In my case, I've updated Android studio project's SDK settings, changed java version in my PATH env variable, but still this error occured. Only updating JAVA_HOME helped me.

blocks|key|114611|text|如果您使用的是JDK+Jenkins，请在JDK+Jenkins->管理Jenkins->全局工具配置->中检查Java版本|type|unstyled|depth|inlineStyleRanges|entityRanges|data|114612|我不得不将我的更新到JDK+8。|114613|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|$]]

If you are on Jenkins, check Java version in Jenkins->Manage Jenkins->Global Tool Configuration->JDK

I had to update mine to JDK 8.

blocks|key|115295|text|我在2.3测试版1中也犯了同样的错误，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|115296|修复方法如下：|115297|下载最新的java+jdk+http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html|offset|length|115298|在Android+Studio中，转到文件>项目结构>+SDK+Location+>选择JDK+Location+path指向新安装的jdk+(例如:+C:\Program+Files\Java\jdk1.8.0_111+)|115299|完成了！|115300|entityMap|0|LINK|mutability|MUTABLE|url|http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html^0|0|0|E|2B|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@$F|W|G|X|1|Y]]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]]]

I had same error in 2.3 beta 1 , 

Fixed as follow : 

Download latest java jdk 
<a href="http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html" rel="nofollow noreferrer">http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html</a>

In Android Studio , go to File > Project Structure > SDK Location > select JDK Location path to point to the new jdk installed (Ex: C:\Program Files\Java\jdk1.8.0_111 ) 

Done !

blocks|key|2876070|text|但是后来我在Intellij+(偏好设置>+Gradle+>+GradleJVM)中找到了gradle的设置，这是错误的，改变了它，然后哇啦。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2876071|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|$]]

Ufff, I changed like everything I was able to find to jdk 8 and still no result but then I found Gradle settings in Intellij (preferences > gradle > GradleJVM) and it was ofc wrong, changed that and woala.

blocks|key|2876081|text|最简单的方法是将Android+Studio更新到v2.2.3，它包含了JDK8的修复：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2876082|2876083|Bug+fix+for+a+JDK8/Kotlin+compiler+%2B+dx+issue+(issue+227729)|unordered-list-item|offset|length|2876084|2876085|它解决了我的问题。|2876086|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/studio/releases/index.html^0|0|0|0|1O|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|U|8|@]|9|@$F|V|G|W|1|X]]|A|$]]|$1|H|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

The simplest way is to update Android Studio to v2.2.3, it includes a fix of JDK8:

<ul>
<li><a href="https://developer.android.com/studio/releases/index.html" rel="nofollow noreferrer">Bug fix for a JDK8/Kotlin compiler + dx issue (issue 227729)</a></li>
</ul>

It's solved my problem.

I just updated to Android Studio 2.2.1 for Mac. Then I updated the JDK to version 8. Tried to start a new project and run it. I got the following error: 

Error:(1, 1) A problem occurred evaluating project ':app'.

<blockquote>
 java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : Unsupported major.minor version 52.0
</blockquote>

I also tried going back to JDK version 7 as it says on google site that JDK 8 is unstable for Mac. still got the same error.

Getting error when trying to run new project in Android Studio 2.2.1

Android Studio

Android

Java

我刚刚更新到适用于Mac的Android Studio 2.2.1。然后我将JDK更新到版本8，尝试启动一个新项目并运行它。我得到了以下错误：错误：(1，1)评估项目':app‘时出现问题。 java.lang.UnsupportedClassVersionError: com/android/build/gradle...

问尝试在Android Studio 2.2.1中运行新项目时出错
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