Android studio 3.0上进行多渠道打包遇到的问题小结(超简洁版)

Error:All flavors must now belong to a named flavor dimension. The flavor 'xiaomi' is not assigned to a flavor dimension. Learn more at https://d.android.com/r/tools/flavorDimensions-missing-error-message.html

Android studio 3.0上进行多渠道打包时编译时出现这个错误

多渠道打包参考：http://blog.csdn.net/mynameishuangshuai/article/details/51783303

解决问题参考：https://stackoverflow.com/questions/44105127/android-studio-3-0-flavor-dimension-issue

多渠道打包的细节我就不说了，参考网络上的，或者我上面的这个链接就好，下面给出一下我修改的代码（如果有其他的改法也希望能多多交流）

flavorDimensions "default" 
  productFlavors { 
    kuan { 
      dimension "default" 
      manifestPlaceholders = [UMENG_CHANNEL_VALUE: "kuan"] 
    } 
    xiaomi { 
      dimension "default" 
      manifestPlaceholders = [UMENG_CHANNEL_VALUE: "xiaomi"] 
    } 
    qh360 { 
      dimension "default" 
      manifestPlaceholders = [UMENG_CHANNEL_VALUE: "qh360"] 
    } 
    baidu { 
      dimension "default" 
      manifestPlaceholders = [UMENG_CHANNEL_VALUE: "baidu"] 
    } 
    wandoujia { 
      dimension "default" 
      manifestPlaceholders = [UMENG_CHANNEL_VALUE: "wandoujia"] 
    } 
  } 

或者： 

flavorDimensions "default" 
    productFlavors { 
        kuan {dimension "default"} 
        xiaomi {dimension "default"} 
        qh360 {dimension "default"} 
        baidu {dimension "default"} 
        wandoujia {dimension "default"} 
    } 
    productFlavors.all { 
        flavor -> flavor.manifestPlaceholders = [UMENG_CHANNEL_VALUE: name] 
    } 

然后解决问题之后我又去官网查阅了一下，地址如下：

https://developer.android.com/studio/build/build-variants.html#flavor-dimensions

根据官网说法：

You must assign each product flavor you configure to one of the flavor dimensions.

你必须指定一种 flavor dimensions

void flavorDimensions(String... dimensions) 
flavorDimensions 后面可以添加多个不同类型的参数例如：

flavorDimensions "api","mode" 

接下来的使用对应起来就好了：

productFlavors { 
    demo { 
      // Assigns this product flavor to the "mode" flavor dimension. 
      dimension "mode" 
      ... 
    } 
    full { 
      dimension "mode" 
      ... 
    } 
    // Configurations in the "api" product flavors override those in "mode" 
    // flavors and the defaultConfig {} block. Gradle determines the priority 
    // between flavor dimensions based on the order in which they appear next 
    // to the flavorDimensions property above--the first dimension has a higher 
    // priority than the second,and so on. 
    minApi24 { 
      dimension "api" 
      minSdkVersion '24' 
      // To ensure the target device receives the version of the app with 
      // the highest compatible API level,assign version codes in increasing 
      // value with API level. To learn more about assigning version codes to 
      // support app updates and uploading to Google Play,read Multiple APK Support 
      versionCode 30000 + android.defaultConfig.versionCode 
      versionNameSuffix "-minApi24" 
      ... 
    } 
    minApi23 { 
      dimension "api" 
      minSdkVersion '23' 
      versionCode 20000  + android.defaultConfig.versionCode 
      versionNameSuffix "-minApi23" 
      ... 
    } 
    minApi21 { 
      dimension "api" 
      minSdkVersion '21' 
      versionCode 10000  + android.defaultConfig.versionCode 
      versionNameSuffix "-minApi21" 
      ... 
    } 
  } 

好了，这就是官方给出的gradle多渠道打包的方式

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