// java.lang.NullPointerException: Attempt to read from field 'java.lang.String com.sudy.app.model.User.user_id' on a null object reference
// at com.sudy.app.fragments.l.onCreateView(Unknown Source)
// at android.support.v4.app.Fragment.performCreateView(Unknown Source)
// at android.support.v4.app.m.a(Unknown Source)
// at android.support.v4.app.m.e(Unknown Source)
// at android.support.v4.app.m.a(Unknown Source)
// at android.support.v4.app.c.f(Unknown Source)
// at android.support.v4.app.m.b(Unknown Source)
// at android.support.v4.app.m.a(Unknown Source)
// at android.support.v4.app.m.b(Unknown Source)
// at android.support.v4.app.m.i(Unknown Source)
// at android.support.v4.app.m$1.run(Unknown Source)
// at android.os.Handler.handleCallback(Handler.java:739)
// at android.os.Handler.dispatchMessage(Handler.java:95)
// at android.os.Looper.loop(Looper.java:148)
// at android.app.ActivityThread.main(ActivityThread.java:5417)
// at java.lang.reflect.Method.invoke(Native Method)
// at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
// at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)