What is the purpose of StatementWithEmptyBody?

Question

when I created the drawer bar in Android Studio for my project, in the code for the select items put the next:

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {

But what is the use of this annotation?

Answer 1

Warning itself explains meaning.

return type of onNavigationItemSelected is boolean. and we need to return any boolean value.

If there is if condition in onNavigationItemSelected and not returned then @SuppressWarnings("StatementWithEmptyBody") need to add.

Example:

@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
    int id = item.getItemId();
    if (id == R.id.xyz) {
       // you should return boolean value here.
    }
    return false;
}

In example we are returning false by-default. and we haven't return any value in

if (id == R.id.xyz) condition.

You can clearly have a look at warning.