错误:找不到样式属性"@android:attr/windowExitAnimation"

问题描述

我最近升级到gradle-3.0.0-alpha8，之后在编译时无法解析某些样式.
开发环境:

I recently upgraded to the gradle-3.0.0-alpha8 after which some styles are not resolved at compile time.
Develop envirment:

• IDE:Android Studio 3.0 Bate3
• Gradle构建工具:'com.android.tools.build:gradle:3.0.0-beta3'
• Gradle:gradle-4.1-all.zip

错误信息:

    Error:(94, 5) style attribute '@android:attr/windowExitAnimation' not found
    Error:(94, 5) style attribute '@android:attr/windowEnterAnimation' not found

在gradle.properties文件中设置android.enableAapt2 = false可以解决此问题.

Setting android.enableAapt2=false in gradle.properties file can solve this isuue.

但是，Instant App需要android.enableAapt2 = true.我该怎么办?

But, Instant App need android.enableAapt2=true. What would i do?

推荐答案

所有问题均已解决.

问题原因:

有两个模块，A_module，B_module.

There are two modules, A_module, B_module.

B_module具有样式:

B_module has a style:

<style name="my_style">
 <item
  name="@android:windowEnterAnimation">@anim/anim_toast_show</item>
 <item
 name="@android:windowExitAnimation">@anim/anim_toast_hide</item>
</style>

如果B_module编译(':A_module')
生成或清理，以A_module-> Res-> values-> styles报告错误位置:

If B_module compile(':A_module')
Build or Clean, report a error location in A_module->Res->values->styles:

解决方案:
删除项目名称开头的"@".

Solution:
Removing the "@" at the start of the item name.

<item name="@android:windowEnterAnimation">@anim/anim_toast_show</item>
<item name="@android:windowExitAnimation">@anim/anim_toast_hide</item>

收件人:

<item name="android:windowEnterAnimation">@anim/anim_toast_show</item>
<item name="android:windowExitAnimation">@anim/anim_toast_hide</item>

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