在Android5.0以下，出现NoClassDefFoundErro，OkHostnameVerifier

Question

 compile 'com.squareup.okio:okio:1.11.0'
compile 'com.qiniu:qiniu-android-sdk:7.3.+'
compile 'com.squareup.okhttp3:okhttp:3.4.2'
compile 'com.qiniu:happy-dns:0.2.11'

这四个包都导入了，还是报错！！

系统是4.4.4 手机型号小米HM 2A

Answer 1

Did you do subcontracting? As a result, some classes are not in the main dex