Android Studio 3.0布局预览渲染问题 [英] Android Studio 3.0 Layout Preview render issues

问题描述

我刚刚将我的Android Studio更新到了最新的3.0，然后布局预览"不再起作用. 我尝试打开不同的项目，它们都有相同的渲染问题.经过检查，我没有看到任何编译错误或gradle问题. 到目前为止，我尝试过

I just updated my Android Studio to latest 3.0 and then the Layout Preview is not working anymore. I have tried open up different projects and they all have the same render issues. As I checked, I don't see any compile errors or gradle issues. So far, I tried

• 构建项目
• 刷新布局
• 清洁项目
• 无效的缓存/重新启动

下面的屏幕截图显示了无法启动某些类，但是我不知道为什么以及如何修复它们. 非常感谢你.任何提示都可以帮助您.

The following attached screenshot shows that some classes cannot be initiated but I dont get why and how to fix them. Thank you very much. Any hints could help.

更新: 似乎在在Android Studio 3.0中出现渲染错误的情况重复布局编辑器，但我的问题略有不同. 上述链接问题的解决方案是，通过在Base.Theme.AppCompat.Light.DarkActionBar下澄清父主题，将主题修改为更具体的主题.但是，我什至没有ActionBar，所以我正在寻找Theme.AppCompat.NoActionBar的解决方案.

Updates: It seems there is a duplicate case at Render error in Android Studio 3.0 Layout Editor but mine problem is slightly different. The solution for above linked issue is to modify the theme to a more specific one by clarifying parent theme under Base.Theme.AppCompat.Light.DarkActionBar. However, I don't even have an ActionBar so I am looking for a solution for Theme.AppCompat.NoActionBar.

在更新到3.0之前，一切都很好.我想知道是否需要更改部署SDK/版本.

Before updating to 3.0, everything is fine. I wonder if I need to change deployment SDK/Version.

推荐答案

好的，我试图探索所有可能的解决方案，但是没有任何工作. 我终于通过更改部署SDK/Version来解决了. 我将所有更改为26，这解决了我的问题.当我测试越来越高的版本时，似乎只有26版可以正常工作.

OK, I tried to explore every possible solution but no work. I finally figured it out by changing the deployment SDK/Version. I changed all to 26 and it fixed my problems. As I tested version lower and higher, it seems only ver 26 can work.

android {
 compileSdkVersion 26
 buildToolsVersion '26.0.2'
...
 defaultConfig {
  targetSdkVersion 26
...
 }
}
...
dependencies {
  compile 'com.android.support:appcompat-v7:26.0.0'
  compile 'com.android.support:design:26.0.0'
  compile 'com.android.support:support-v13:26.0.0'
  compile 'com.android.support:support-v4:26.0.0'
  compile 'com.android.support:palette-v7:26.0.0'
...
}

因此，如果解决方案位于 Android Studio 3.0中呈现错误布局编辑器不适用于您.您可以尝试26.让我知道.

So if the solution at Render error in Android Studio 3.0 Layout Editor does not work for you. You can try 26. Let me know.

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