Cannot resolve symbol nullable

Question

Getting cannot resolve symbol nullable error for my program. @androidx.annotations.Nullable - nullable has redline under it.

package com.singularity.birdjumper;

import android.app.Activity;
import android.os.Bundle;

public class GameActivity extends Activity
{
    @Override
    protected void onCreate(@androidx.annotation.Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }
}

Answer 1

just add this import statement

import android.support.annotation.Nullable;

For androidx, the import statement should be:

import androidx.annotation.Nullable;