android集成sdk后，运行崩溃

android新手，照着视频想学习一下如何集成环信
对着视频里的代码敲的，但是在我只写了个ECApplication，也在AndroidManifest.xml里添加了各种权限和对ECApplication进行配置了的时候，我想运行下试试效果，编译是没问题的，但是运行时崩溃。
logCat里的log如下
06-09 08:33:58.393 3733-3733/com.example.administrator.ec I/art: Not late-enabling -Xcheck:jni (already on)
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: =============EMChatClientImpl::init()==================
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: dns config mode is 1
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: EMConfigManager::init() 
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: ----------------------begin of config----------------------
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: key: dns_time value: 1504725790000
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:527]: ----------------------end of config----------------------
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:528]: addConnectionListener
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:528]: addConnectionListener
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:528]: addConnectionListener
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:528]: =============== Call Manager init ===============
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:529]: addConnectionListener
06-09 08:33:58.538 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:533]: registerContactListener
06-09 08:33:58.543 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:541]: restBaseUrl()
06-09 08:33:58.543 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:542]: EMDNSManager::getCurrentHost: type: 3
06-09 08:33:58.543 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:542]: EMSessionManager::checkDNS()
06-09 08:33:58.543 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:542]: valid_time: 1504725790000
06-09 08:33:58.544 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:542]: EMDNSManager::parseDnsServer: 
06-09 08:33:58.545 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:544]: current time: 1496997238544
06-09 08:33:58.546 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:545]: valid time: 1504725790000
06-09 08:33:58.546 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:546]: saveConfigs()
06-09 08:33:58.546 3733-3751/com.example.administrator.ec D/ONE SDK: [2017/06/09 08:33:58:546]: write to config file: {
                                                                         "dns_time":"1504725790000"
                                                                     }