Gradle“清单需要占位符替换”错误，但manifestPlaceholder提供了一个值 [英] Gradle "manifest requires a placeholder substitution" error but manifestPlaceholders supplies a value

问题描述

 <$ c我试图在build.gradle android扩展的AndroidManifest.xml文件中执行替换，但是出现这个错误： $ c> AndroidManifest.xml：89：16错误：
属性uses-library#com.company.platform.$ {encoding}@name在AndroidManifest.xml：89：16需要占位符替换，但没有值< ;编码>被提供。 
 /Users/Company/Desktop/Checkout/android/Project/app/src/main/AndroidManifest.xml:0:0错误：
验证失败，退出
：app：processDebugManifest FAILED 
  

这是清单文件的一个片段：

  ... 
< / receiver> 
< uses-library android：name =com.company.platform。$ {encoding}/> 
< / application> 
 ... 
  

这是对build.gradle的剪切：

  android {
 compileSdkVersion 23 
 buildToolsVersion23.0.1
 defaultConfig {
 applicationId com.company.app
 minSdkVersion 23 
 targetSdkVersion 23 
 versionName cityVersion 
 setProperty（archivesBaseName，City_ $ versionName）
 manifestPlaceholders = [encoding： some value] 
 manifestPlaceholders = [version：cityVersion] 
} 
  

我还尝试在buildTypes中添加manifestPlaceholder，即

  buildTypes {
 release {
 minifyEnabled true 
 shrinkResources true 
 manifestPlaceholders = [encoding：deviceEncoding] 
 manifestPlaceholders = [version：cityIDVersion] 
} 
 debug {
 manifestPlaceholders = [encoding：deviceEncoding ] 
 manifestPlaceholders = [version：cityIDVersion] 
} 
  

}

但是我仍然得到相同的错误。

为什么在提供一个占位符替换时出现错误for manifestPlaceholders？

解决方案

你只需要添加到数组中。你正在替换它。执行此操作：

  manifestPlaceholders = [encoding：some value，version：cityVersion] 
  

通过为相同的flavor / build类型声明manifestPlaceholders两次，您的替换前一个。之前的一个被替换后，您的构建失败，因为该属性不再存在。

I'm trying to perform substitution within the AndroidManifest.xml file from the build.gradle android extension but am getting this error:

AndroidManifest.xml:89:16 Error:
    Attribute uses-library#com.company.platform.${encoding}@name at AndroidManifest.xml:89:16 requires a placeholder substitution but no value for <encoding> is provided.
/Users/Company/Desktop/Checkout/android/Project/app/src/main/AndroidManifest.xml:0:0 Error:
    Validation failed, exiting
:app:processDebugManifest FAILED

This is a snippet of the manifest file:

...
     </receiver>
   <uses-library android:name="com.company.platform.${encoding}" />
</application>
...

And this is a snipped of the build.gradle:

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.1"
    defaultConfig {
        applicationId "com.company.app"
        minSdkVersion 23
        targetSdkVersion 23
        versionName cityVersion
        setProperty("archivesBaseName", "City_$versionName")
        manifestPlaceholders = [encoding: "some value"]
        manifestPlaceholders = [version: cityVersion]
    }

I've also tried adding the manifestPlaceholders in the buildTypes i.e.

buildTypes {
    release {
        minifyEnabled true
        shrinkResources true
        manifestPlaceholders = [encoding: deviceEncoding]
        manifestPlaceholders = [version: cityIDVersion]
   }
    debug {
        manifestPlaceholders = [encoding: deviceEncoding]
        manifestPlaceholders = [version: cityIDVersion]
    }

}

But I still get the same error.

Why is there an error about it requiring a placeholder substitution when one is provided for in the manifestPlaceholders?

解决方案

You need to just add to the array. You are replacing it. Do this:

manifestPlaceholders = [encoding: "some value", version: cityVersion]

By declaring manifestPlaceholders twice for the same flavor/build type, your are replacing the previous one. After the previous one got replaced, your build failed because the property no longer exists.

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