Caused by java.lang.ClassNotFoundException
Didn't find class "javax.annotation.Nullable" on path: /data/app/com.xxx-2.apk
dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:65)
java.lang.ClassLoader.loadClass (ClassLoader.java:501)
java.lang.ClassLoader.loadClass (ClassLoader.java:461)
java.lang.reflect.Field.getAnnotation (Field.java)
java.lang.reflect.Field.getAnnotation (Field.java:212)
io.intercom.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getFieldNames (SourceFile:72)
io.intercom.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields (SourceFile:159)
io.intercom.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create (SourceFile:100)
io.intercom.com.google.gson.Gson.getAdapter (SourceFile:423)
io.intercom.retrofit2.converter.gson.GsonConverterFactory.responseBodyConverter (SourceFile:64)
io.intercom.retrofit2.Retrofit.nextResponseBodyConverter (SourceFile:330)
io.intercom.retrofit2.Retrofit.responseBodyConverter (SourceFile:313)
io.intercom.retrofit2.ServiceMethod$Builder.createResponseConverter (SourceFile:736)
io.intercom.retrofit2.ServiceMethod$Builder.build (SourceFile:169)
io.intercom.retrofit2.Retrofit.loadServiceMethod (SourceFile:170)
io.intercom.retrofit2.Retrofit$1.invoke (SourceFile:147)
io.intercom.android.sdk.api.$Proxy14.getHomeCards (Unknown Source)
io.intercom.android.sdk.api.Api.fetchHomeCards (SourceFile:594)
io.intercom.android.sdk.homescreen.HomeFragment.loadHomeScreen (SourceFile:288)
io.intercom.android.sdk.homescreen.HomeFragment.setUpCardList (SourceFile:228)
io.intercom.android.sdk.homescreen.HomeFragment.onCreateView (SourceFile:136)
android.support.v4.app.Fragment.performCreateView (SourceFile:2425)
android.support.v4.app.FragmentManagerImpl.moveToState (SourceFile:1460)
android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState (SourceFile:1784)
android.support.v4.app.FragmentManagerImpl.moveToState (SourceFile:1852)
android.support.v4.app.BackStackRecord.executeOps (SourceFile:802)
android.support.v4.app.FragmentManagerImpl.executeOps (SourceFile:2623)
android.support.v4.app.FragmentManagerImpl.executeOpsTogether (SourceFile:2410)
android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute (SourceFile:2365)
android.support.v4.app.FragmentManagerImpl.execPendingActions (SourceFile:2272)
android.support.v4.app.FragmentManagerImpl$1.run (SourceFile:733)
android.os.Handler.handleCallback (Handler.java:725)
android.os.Handler.dispatchMessage (Handler.java:92)
android.os.Looper.loop (Looper.java:176)
android.app.ActivityThread.main (ActivityThread.java:5299)
java.lang.reflect.Method.invokeNative (Method.java)
java.lang.reflect.Method.invoke (Method.java:511)
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1102)
com.android.internal.os.ZygoteInit.main (ZygoteInit.java:869)
dalvik.system.NativeStart.main (NativeStart.java)