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Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference

my code:

toggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.open, R.string.close);
drawerLayout.addDrawerListener(toggle);
toggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);

by adding line: getSupportActionBar().setDisplayHomeAsUpEnabled(true);

how to solve this error.

Android Error [Attempt to invoke virtual method 'void android.app.ActionBar' on a null object reference]

Emilien
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Suresh Timma
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  • Does this help ? https://stackoverflow.com/questions/28144657/android-error-attempt-to-invoke-virtual-method-void-android-app-actionbar-on – Emilien Aug 15 '23 at 07:59

0 Answers0