Android支持http client

• 添加依赖

implementation 'org.apache.httpcomponents:httpclient:4.3.6'

• app下build.gradle的android节点增加如下数据

  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'

        }