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  • android studio学习----Warning:Unable to find optional library: org.apache.http.legacy

    主要是没有  android-23的版本

    1、导入工程以后

    Error:Could not find com.Android.tools.build:gradle:1.3.1.

    Searched in the following locations:
        file:/E:/android-studio/gradle/m2repository/com/android/tools/build/gradle/1.3.1/gradle-1.3.1.pom
        file:/E:/android-studio/gradle/m2repository/com/android/tools/build/gradle/1.3.1/gradle-1.3.1.jar
        http://mirrors.ibiblio.org/maven2/com/android/tools/build/gradle/1.3.1/gradle-1.3.1.pom
        http://mirrors.ibiblio.org/maven2/com/android/tools/build/gradle/1.3.1/gradle-1.3.1.jar
    Required by:
        :DynamicAPK-master:unspecified

    解决这个问题根据提示打开E:/android-studio/gradle/m2repository/com/android/tools/build/gradle看看该目录下有几个版本

    修改成本地存在的即可



    2:编译工具找不到

    Error:A problem occurred configuring project ':bundle'.

    > failed to find Build Tools revision 21.1.2


    file --> default settings --- android sdk --> sdk Tools选项卡
    看看sdk manager上安装的版本号是多少,  修改成存在的即可




    3 lib找不到

    Error:A problem occurred configuring project ':bundle'.

    > Unable to find optional library: org.apache.http.legacy


    Add org.apache.http.legacy.jar which is in Android/Sdk/platforms/android-23/optional folder to app/libs directory and sync your project

    添加org.apache.http.legacy.jar 这个jar到android sdk安装目录下的 /android-23/optional

    没有的话就去网上下载吧


    4、

    Error:(7, 1) A problem occurred evaluating project ':demo1'.
    > Could not resolve all dependencies for configuration 'classpath'.
       > Could not resolve net.sf.proguard:proguard-gradle:5.2.1.
         Required by:
             unspecified:unspecified:unspecified
          > Could not resolve net.sf.proguard:proguard-gradle:5.2.1.
             > Could not get resource 'https://repo1.maven.org/maven2/net/sf/proguard/proguard-gradle/5.2.1/proguard-gradle-5.2.1.pom'.
                > Could not GET 'https://repo1.maven.org/maven2/net/sf/proguard/proguard-gradle/5.2.1/proguard-gradle-5.2.1.pom'.

                   > peer not authenticated

    这个是用于没法访问 https://repo1.maven.org/maven2/net/sf/proguard/proguard-gradle/5.2.1/proguard-gradle-5.2.1.pom

    没办法只能翻墙了

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  • 原文地址:https://www.cnblogs.com/wust221/p/5438644.html
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