Pramod Kumar Yadav

icon company Xornor Technologies Pvt. Ltd. icon location D151, First floor, Phase 8, Industrial Area, Sahibzada Ajit Singh Nagar, Punjab 160055

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Exception Attempt to invoke virtual method 'void android.support.v7.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference

**You should try this one. I think it will work.** Toolbar toolbar = findViewById(R.id.toolbar1); setSupportActionBar(toolbar); mDrawerLayout = findViewById(R.id.drawer_layout); mDrawerLayout = findViewById(R.id.drawer_layout); mDrawerLayout.setDrawerShadow(R.drawable.rectagle_with_black_outer, GravityCompat.START); getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,...