Header Repetition in navigation view android

Question

I have used navigation view in my app. Header in navigation view is repeated twice but i actually removed it (app:headerLayout="@layout/header") in xml. And i wanna implement action(like as button) from header of navigation view.

In code i have written like this

    mNavigationView = (NavigationView) findViewById(R.id.navigation_view);
    headerView = mNavigationView.inflateHeaderView(R.layout.bp_header);
    googele_plus = (ImageButton) headerView.findViewById(R.id.google_p);
    facebook = (ImageButton) headerViewfindViewById(R.id.fb);

Header likes below

I got NullPointerException error if headerView removed from image button Any suggestion or solution would be grateful

Answer 1

Update your support library to 23.1.1 or above.

After which you can do this -

Add the headerview in the app:headerLayout="@layout/header" inside NavigationView.

Then, you can access it by,

    mNavigationView = (NavigationView) findViewById(R.id.navigation_view);
    View headerView = mNavigationView.getHeaderView(0)

    googele_plus = (ImageButton) headerView.findViewById(R.id.google_p);
    facebook = (ImageButton) headerView.findViewById(R.id.fb);

Ref : https://code.google.com/p/android/issues/detail?id=190226#c31