blocks|key|4429106|text|设置JDK_HOME和JAVA_HOME环境变量，在我的例子中是C:\Program+Files\Java\jdk1.8.0_60。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4429107|​|4429108|📷|atomic|4429109|4429110|检查Help+>+About中的Java版本。它应该显示您刚刚设置的JRE版本。|4429111|4429112|4429113|4429114|就这样，现在你可以在N中预览你的布局了。|4429115|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/afcfa4a940c55950feb4f262bcfd6669.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/a497087bbc0f0c8876eaab4e7ada7af4.png^0|2|8|B|9|W|X|0|0|0|1|0|0|0|2|C|0|0|0|1|1|0|0|A|1|0^^$0|@$1|2|3|4|5|6|7|13|8|@$9|14|A|15|B|C]|$9|16|A|17|B|C]|$9|18|A|19|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1A|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1B|8|@]|D|@$9|1C|A|1D|1|1E]]|E|$]]|$1|K|3|G|5|6|7|1F|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1G|8|@$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|N|3|G|5|6|7|1J|8|@]|D|@]|E|$]]|$1|O|3|I|5|J|7|1K|8|@]|D|@$9|1L|A|1M|1|1N]]|E|$]]|$1|P|3|G|5|6|7|1O|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1P|8|@$9|1Q|A|1R|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1S|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z|10|-4]]|11|$5|V|W|X|E|$Y|12|10|-4]]]]

Set <code>JDK_HOME</code> and <code>JAVA_HOME</code> environment variables, in my case <code>C:\Program Files\Java\jdk1.8.0_60</code>.

<a href="https://i.stack.imgur.com/FtEV8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FtEV8.png" alt="enter image description here"></a>

Check Java version in <code>Help &gt; About</code>. It should show the JRE version you just set.

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

That is it, now you can preview your layout in <code>N</code>.

blocks|key|4428772|text|单击预览窗口中android图标旁边的字母N，然后选择API+level+23或更低级别。这应该可以解决这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4428773|​|4428774|📷|atomic|offset|length|4428775|4428776|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/b118c1ffc8c8c5fdc46fcd96b718f261.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]]]]

Click on the letter N, next to the android icon in the Preview window and select API level 23 or lower. That should solve it.

<a href="https://i.stack.imgur.com/C7QZj.png"><img src="https://i.stack.imgur.com/C7QZj.png" alt="First row of icons in the rpeview window"></a>

blocks|key|4428941|text|我遇到了同样的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4428942|我安装了jdk1.6、jdk1.7、jdk1.8，并像您一样部署了Studio。|4428943|我的解决方案是卸载jdk1.6和jdk1.7，只留下jdk1.8|4428944|sudo+rm+-rf+${path+to+jdk1.6}
sudo+rm+-rf+${path+to+jdk1.7}|code-block|syntax|javascript|4428945|就这样。|4428946|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|R|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I met the same issue.

I installed jdk1.6,jdk1.7,jdk1.8, and deployed Studio as what you did.

My solution is uninstall jdk1.6 and jdk1.7, only leave jdk1.8

<pre><code>sudo rm -rf ${path to jdk1.6}
sudo rm -rf ${path to jdk1.7}
</code></pre>

That's all.

blocks|key|4428919|text|我正在使用Ubuntu+14.04，我遇到了一个类似的错误，不同的是我没有NDK。我的解决方案是，在项目定义中设置Java+8之后，重启Android+Studio。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4428920|检查系统Java版本，在控制台"java+-version“中，输出应该是这样的|4428921|java+version+"1.8.0_91"|code-block|syntax|javascript|4428922|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I'm using Ubuntu 14.04 and I was facing a similar error, with the difference I don't have NDK. My solution was, after setting up Java 8 in project definition, reboot Android Studio, no more.

Check system Java version, in console "java -version", output should say something like this

<pre><code>java version "1.8.0_91"
</code></pre>

blocks|key|4429255|text|Ubunutu也有同样的问题。问题不在于使用Java8运行集成开发环境。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429256|我通过更新操作系统的默认java程序修复了它，使用：|4429257|sudo+update-alternatives+--config+java|code-block|syntax|javascript|4429258|并选择相应的Java8路径。|4429259|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Had the same problem with Ubunutu. The problem was not running the IDE with Java8.

I fixed it with updating the default java program of the OS, using:

<pre><code>sudo update-alternatives --config java
</code></pre>

And choosing the relevant Java8 path.

blocks|key|4429053|text|我遇到了这样的问题："Android+N要求IDE运行Java+1.8或更高版本。“尽管在File+>+Project+Structure中将C:\Program+Files\Java\jdk1.8.0_92设置为项目的JDK，但错误仍然出现。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4429054|我通过将我的环境变量中的JAVA_HOME从C:\Program+Files\Java\jdk1.7.0_67更新为C:\Program+Files\Java\jdk1.8.0_92解决了这个问题。当我这样做并重新启动Android+Studio时，设计模式变得可用。|4429055|操作系统:+Windows+10|4429056|Android+Studio:+2.1.2|4429057|entityMap^0|19|O|1Z|X|0|M|X|1M|X|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|X|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|Y|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|M|$]]

I faced the problem "Android N requires the IDE to be running with Java 1.8 or later." The error kept showing up in spite of setting <code>C:\Program Files\Java\jdk1.8.0_92</code> as the project's JDK in <code>File &gt; Project Structure</code>. 

I solved it by updating JAVA_HOME in my environment variables from <code>C:\Program Files\Java\jdk1.7.0_67</code> to <code>C:\Program Files\Java\jdk1.8.0_92</code>. When I did that and restarted Android Studio, the design mode became available.

OS: Windows 10

Android Studio: 2.1.2

blocks|key|4428993|text|我的问题是Android+N被“部分安装”了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4428994|我的解决方案是转到-首选项/外观和行为/系统设置/Android+SDK并检查状态。如果它是“部分安装的”，那么你必须先卸载，然后重新安装。(取消选中复选框并点击apply；它将卸载；然后您可以选中该框并重新安装)对我有效。如果您转到较低版本(如23)，则必须在build.gradle中将buildToolsVersion变量更改为"23.0.0“。|4428995|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|$]]

My issue was that the Android N was "partially installed".

My solution was to go to -
Preferences/Appearances and Behavior/System Settings/Android SDK and check the Status. If it's "partially installed" then you have to uninstall then reinstall. (Uncheck the checkbox and hit apply; it will uninstall; then you can check the box and install it again) Worked for me. If you go to lower version(like 23) then you have to change the buildToolsVersion variable to "23.0.0" in the build.gradle.

blocks|key|4429205|text|我最近也面临着同样的问题。尝试将API预览级别更改为23或更低。这对我很管用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429206|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 was facing the same problem recently. Try changing the API preview level to 23 or lower. That worked for me.

blocks|key|4429365|text|我也曾面临过同样的问题。请确保呈现编译后的SDK版本的XML布局(不得高于此版本)。这意味着，如果您使用目标SDK版本23编译代码，并尝试在SDK版本24中呈现XML，则将面临此问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429366|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 faced the same problem. Please make sure that you are rendering the XML layout for the compiled SDK version (Must not be greater) . Means you will face this if you are compiling the code using Targeted SDK version 23 and your trying to render the XML in SDK version 24.

blocks|key|4429419|text|尝试在Java+1.8项目中使用-下载JDK的最新版本并安装它(如果没有JSK+)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429420|然后将这些代码行添加到build.gradle+android+{+...+//只为使用Java8+//语言特性的每个模块配置(在其源代码中或//通过依赖项)。compileOptions+{+sourceCompatibility+JavaVersion.VERSION_1_8+targetCompatibility+JavaVersion.VERSION_1_8+}+//对于Kotlin项目kotlinOptions+{+jvmTarget+=+"1.8“}}|4429421|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|$]]

try to use in project Java 1.8 - download last version of JDK and install it(if JSK is absent)

Then add to build.gradle these lines
android {
 ...
 // Configure only for each module that uses Java 8
 // language features (either in its source code or
 // through dependencies).
 compileOptions {
 sourceCompatibility JavaVersion.VERSION_1_8
 targetCompatibility JavaVersion.VERSION_1_8
 }
 // For Kotlin projects
 kotlinOptions {
 jvmTarget = "1.8"
 }
}

blocks|key|4429089|text|机器:jdk64位在我的例子中，我安装的jdk1.7是32位的，因此我使用的是studio.exe+(32位)，所以即使我下载了新的jdk1.8+(64位)，我使用的工作室实例(32位)也无法检测到它，但是当我卸载旧的windows8并尝试重新运行studio.exe时，我被告知要安装一个32位的jdk。所以我运行studio64.exe，它运行得很流畅。确保您的环境变量中有正确的路径。干杯android+N|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429090|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|$]]

machine: windows8 64bit
in my case the jdk1.7 I had installed was 32bit hence I was using studio.exe (32bit) so even when I downloaded the new jdk1.8 (64bit) the studio instance I was using (32bit) couldn't detect it, but when I uninstalled the older jdk and tried to rerun studio.exe I was told to install a 32bit jdk. 
so I ran studio64.exe and it ran smoothly.
ensure you have the correct path in your environment variables. cheers android N

blocks|key|4429311|text|启动Android+Studio+(+x64+)时，请确保您安装的是x64版jdk，而不是x84版|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4429312|​|4429313|📷|atomic|offset|length|4429314|4429315|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/38b2b15cec848d3ce77d7ad33a826c3a.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]]]]

Make sure you have installed jdk for x64 and not x84 when starting Android Studio (x64)

<a href="https://i.stack.imgur.com/sWTU1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sWTU1.png" alt="enter image description here"></a>

My <code>XML</code> layout is not rendering with this error message. I am already using Java 8.

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

Also using latest build tools in Gradle.

<pre><code>android {
 compileSdkVersion 'android-N'
 buildToolsVersion 24.0.0 rc1
 ...
}
</code></pre>

XML Error - 

<a href="https://i.stack.imgur.com/bj7SN.png" rel="noreferrer"><img src="https://i.stack.imgur.com/bj7SN.png" alt="enter image description here"></a>

Android N requires the IDE to be running with Java 1.8 or later?

我的XML布局未呈现，并显示此错误消息。我已经在使用Java 8了。​​还使用了Gradle中的最新构建工具。android {    compileSdkVersion 'android-N'    buildToolsVersion 24.0.0 rc1    ...}XML错误-​​

问Android N要求IDE与Java 1.8或更高版本一起运行？
EN

回答 12

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问Android N要求IDE与Java 1.8或更高版本一起运行？EN

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问Android N要求IDE与Java 1.8或更高版本一起运行？
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