FATAL EXCEPTION: main
Process: com.example.liuzhuoling.myapplication, PID: 32254
java.lang.NoClassDefFoundError: com.avos.avoscloud.AVPushWebSocketClient
at com.avos.avoscloud.AVPushConnectionManager.createNewWebSocket(AVPushConnectionManager.java:199)
at com.avos.avoscloud.AVPushConnectionManager.access$000(AVPushConnectionManager.java:31)
at com.avos.avoscloud.AVPushConnectionManager$1.onServerAddress(AVPushConnectionManager.java:52)
at com.avos.avospush.push.AVPushRouter.fetchPushServer(AVPushRouter.java:140)
at com.avos.avoscloud.AVPushConnectionManager.initConnection(AVPushConnectionManager.java:117)
at com.avos.avoscloud.AVPushConnectionManager.initConnection(AVPushConnectionManager.java:106)
at com.avos.avoscloud.AVPushConnectionManager.(AVPushConnectionManager.java:80)
at com.avos.avoscloud.AVPushConnectionManager.getInstance(AVPushConnectionManager.java:99)
at com.avos.avoscloud.PushService.onCreate(PushService.java:109)
at android.app.ActivityThread.handleCreateService(ActivityThread.java:2877)
at android.app.ActivityThread.-wrap4(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1427)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

请确保正确引入了依赖:

compile ('cn.leancloud.android:avoscloud-push:4.7.10@aar'){transitive = true}

gradle中依赖如下:

compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:26.+'
    // LeanCloud 基础包
    compile ('cn.leancloud.android:avoscloud-sdk:4.7.10')
    // 推送与即时通讯需要的包
    compile ('cn.leancloud.android:avoscloud-push:4.7.10@aar'){transitive = true}

    // Android 混合推送需要的包
    compile ('cn.leancloud.android:avoscloud-mixpush:v4.7.10@aar'){transitive = true}
    // LeanCloud 用户反馈包
    compile ('cn.leancloud.android:avoscloud-feedback:4.7.10@aar')
    // LeanCloud 应用内搜索包
    compile ('cn.leancloud.android:avoscloud-search:4.7.10@aar')

    compile 'com.android.support:design:26.0.0-alpha1'
    compile 'org.greenrobot:eventbus:3.0.0'

任然报错:

Error:Failed to resolve: cn.leancloud.android:hmsagent:v4.7.10

Error:Module 'cn.leancloud.android:avoscloud-push:4.7.10' depends on one or more Android Libraries but is a jar