在安卓9.0以上版本使用HttpClient

No static field INSTANCE of type Lorg/apache/http/conn/ssl/AllowAllHostnameVerifier; in class Lorg/apache/http/conn/ssl/

……

More than one file was found with OS independent path 'META-INF/DEPENDENCIES

……

今天把之前的HttpClient项目移植到安卓平台上,怎么弄都报错,在网上找了很多资料依然有问题,而且都不管用,最后终于在Apache官网上找到了答案,因为Google不再支持HttpClient,并且相关库有冲突导致了以上报错,官方给出了解决方案,即调用API

提示:使用HttpClient4的项目需要设置API26以上,使用HttpClient5的项目需要最低版本API19(安卓5.0)以上

即:在Gradle中加入依赖(注意不需要手动导入jar包)

注意:点击构造,会自动下载HttpClient5的相关依赖包,不需要手动导入!

dependencies {
    api 'com.github.ok2c.hc5.android:httpclient-android:0.1.0'
}

点击构造,会自动下载HttpClient5的相关依赖包,不需要手动导入!

More than one file was found with OS independent path 'META-INF/DEPENDENCIES的解决方法是,在Gradle加入packagingOptions:

packagingOptions {
        exclude 'META-INF/ASL2.0'
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/notice.txt'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/dependencies.txt'
        exclude 'META-INF/LGPL2.1'
        exclude 'META-INF/services/javax.annotation.processing.Processor'
        exclude 'META-INF/rxjava.properties'
    }

完美解决以上在安卓下使用HttpClient的各种问题!

档案资料链接:适用于Apache HttpClient 5.0.x的Android扩展

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转载自blog.csdn.net/XiaoYunKuaiFei/article/details/105543103