android - 错误 : package com. google.android.gms.appstate 不存在

Question

由于这个错误，无法编译我的 android 项目。

/BaseGameUtils/src/main/java/com/google/example/games/basegameutils/GameHelper.java
Error:(32, 39) error: package com.google.android.gms.appstate does not exist
Error:(293, 28) error: cannot find symbol variable AppStateManager
Error:(294, 30) error: cannot find symbol variable AppStateManager
Error:Execution failed for task ':BaseGameUtils:compileReleaseJava'.

Compilation failed; see the compiler error output for details. Information:BUILD FAILED

我的毕业典礼..

apply plugin: 
'android-library' repositories 
{ 
   mavenCentral() 
} 
buildscript 
{ 
  repositories
  {
     mavenCentral()
  }
  dependencies
  { 
     classpath 'com.android.tools.build:gradle:1.0.0'
  }
}
dependencies
{ 
    compile 'com.android.support:appcompat-v7:20.0.+' 
    compile 'com.android.support:support-v4:20.0.+' 
    compile 'com.google.android.gms:play-services:+' 
} 
android 
{ 
   compileSdkVersion 21 
   buildToolsVersion '21.0.0' 
   defaultConfig 
   { 
      minSdkVersion 14 
      targetSdkVersion 23 
   } 
   productFlavors { } 
}

Answer 1

我看到您没有指定 goggle play 服务库。

代替这个

compile 'com.google.android.gms:play-services:+'

试试这个

compile 'com.google.android.gms:play-services:7.8.0'

注意:您可能有不同的版本，所以不要输入 7.8。