Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' [duplicate]
Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' [duplicate] This question already has an answer here: It is showing error -> at com.thoughtworks.mythoughtworks.MainActivity.onCreateOptionsMenu(MainActivity.java:66) .It is showing null pointer exception when I load notification badge in onCreateOptionMenu... Please help MainActivity.java public class MainActivity extends AppCompatActivity { ProgressDialog progress; ListView ls; int count = 0; SearchView searchView; NotificationBadge badge; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ls = (ListView)findViewById(R.id.listView); progress = new ProgressDialog(this); BackgroundTask process = new BackgroundTask(); process.execute(); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main,menu); View mview = menu.findI...