NullPointerException on bigger screen devices

Question

When I run my app on Motorola Nexus 6 , I get NullPointerException.Problem is with one TextView and setting text on same.I saw some solutions online, but none of them worked for me.I guess problem is with JVM on different smartphones, or with lifecycle of my fragment which is nested inside activity.

Everything is working fine on smaller devices.

Log bellow:

  java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com..data.models.entity.Email.getUsername()' on a null object reference
                                                     at com..presenter.view.fragment.ForgotPasswordFragmentComplete.onStart(ForgotPasswordFragmentComplete.java:84)

Here is my Fragment:

 @Bind(R.id.button_resend_email)
    AppCompatButton resendEmail;
    @Bind(R.id.resend_user_email)AutoResizeTextView resendEmailTxt;

  @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        DaggerForgotPasswordCompletedComponent.builder()
                .applicationComponent(
                        ((AndroidApplication) getActivity().getApplication()).getApplicationComponent())
                .forgotPasswordCompletedModule(new ForgotPasswordCompletedModule())
                .build()
                .inject(this);


    }

    @Override
    public void onStart() {
        super.onStart();

        realm = getRealm();
        RealmQuery<Email> query1 = realm.where(Email.class);
        Email result1 = query1.findFirst();

        resendEmailTxt = (AutoResizeTextView) getView().findViewById(R.id.resend_user_email) ;

        this.resendEmailTxt.setText(result1.getUsername());

    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        realm.close();


    }



    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        return inflater.inflate(R.layout.fragment_forgot_password_fragment_complete, container, false);


    }


    @Override
    protected int getFragmentLayoutId() {
        return R.layout.fragment_forgot_password_fragment_complete;
    }

Doesn't make sense for this to be screen related. What does getRealm() look like? — zgc7009, Nov 10 '16 at 17:59
On Samsung Galaxy S4, everything is working fine. It is just getting Realm instance and initialization. — Anonimo Anonimus, Nov 10 '16 at 18:00

score 1 · Answer 1 · answered Nov 10 '16 at 18:01

1

If you get nullPointerException it probably means your result1 variable has not been assigned a value. That implies that your query1.findFirst() may be returning nothing at all.

answered Nov 10 '16 at 18:01

DarkCygnus

7,420
4
36
59

query1,findFirst is returning right thing, already check that with Log.And it is working fine on galaxy s4. – Anonimo Anonimus Nov 10 '16 at 18:03
@AnonimoAnonimus The exception in your question says otherwise. – 4castle Nov 10 '16 at 18:04
Check [this](http://stackoverflow.com/questions/31366061/app-crahes-in-different-devices) link, it seems to be similar to your problem. – DarkCygnus Nov 10 '16 at 18:10
Yes, Its seems that it because of Email result1 = query1.findFirst(); return null – Saurabh Khare Nov 10 '16 at 18:21

score 0 · Answer 2 · answered Nov 10 '16 at 18:02

0

Try to move your code from onStart() to onResume().

answered Nov 10 '16 at 18:02

kejn

112
6

NullPointerException on bigger screen devices

2 Answers2