Drawer Navigator in React Native - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the drawer navigator from React Navigation.

React Native

import { create[1]Navigator } from '@react-navigation/drawer';

Drag options to blanks, or click blank then click option'

ASwitch

BStack

CTab

DDrawer

Attempts:

3 left

💡 Hint

Common Mistakes

Using createStackNavigator instead of createDrawerNavigator

Using createTabNavigator which is for bottom tabs

The drawer navigator is created using createDrawerNavigator from @react-navigation/drawer.

2fill in blank

medium

Complete the code to create a drawer navigator instance.

React Native

const Drawer = create[1]Navigator();

Drag options to blanks, or click blank then click option'

AStack

BDrawer

CTab

DSwitch

Attempts:

3 left

💡 Hint

Common Mistakes

Calling createStackNavigator() instead of createDrawerNavigator()

Forgetting the parentheses () after the function

You create a drawer navigator instance by calling createDrawerNavigator().

3fill in blank

hard

Fix the error in the drawer navigator screen declaration.

React Native

<Drawer.Navigator>
  <Drawer.Screen name="Home" component=[1] />
</Drawer.Navigator>

Drag options to blanks, or click blank then click option'

AScreen

BHome

CHomeScreen

DDrawer

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a string like 'Home' instead of a component

Passing the navigator itself as component

The component prop expects a React component, like HomeScreen, not a string or other value.

4fill in blank

hard

Fill both blanks to add a drawer screen with a custom title.

React Native

<Drawer.Screen name="Profile" component=[1] options={{ title: [2] }} />

Drag options to blanks, or click blank then click option'

AProfileScreen

B"User Profile"

C"Profile"

DHomeScreen

Attempts:

3 left

💡 Hint

Common Mistakes

Using a component name that does not exist

Not wrapping the title string in quotes

The component should be the screen component, and the title option is a string shown in the drawer.

5fill in blank

hard

Fill all three blanks to create a drawer navigator with two screens.

React Native

function MyDrawer() {
  return (
    <Drawer.Navigator>
      <Drawer.Screen name=[1] component=[2] />
      <Drawer.Screen name=[3] component={SettingsScreen} />
    </Drawer.Navigator>
  );
}

Drag options to blanks, or click blank then click option'

A"Home"

BHomeScreen

C"Settings"

DProfileScreen

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes for screen names

Using strings instead of components for component prop

The first screen's name is "Home" and its component is HomeScreen. The second screen's name is "Settings" with component SettingsScreen.

Practice

1. What is the main purpose of a Drawer Navigator in React Native?

easy

A. To create a side menu for switching between screens easily

B. To handle API requests in the app

C. To style components with CSS

D. To manage app state globally

Solution

1. Step 1: Understand Drawer Navigator role

   A Drawer Navigator provides a side menu that lets users switch screens easily.

2. Step 2: Compare with other options

   The other options relate to API requests, styling components, and global state management, not navigation menus.

3. Final Answer:

   To create a side menu for switching between screens easily -> Option A

4. Quick Check:

   Drawer Navigator = Side menu navigation [OK]

Hint: Drawer Navigator = side menu for screen switching [OK]

Common Mistakes:

• Confusing Drawer Navigator with state management
• Thinking it styles components
• Mixing it up with API handling

2. Which of the following is the correct way to add a screen named 'Home' to a Drawer Navigator?

easy

A.

B.

C.

D.

Solution

1. Step 1: Check required props for Drawer.Screen

   Drawer.Screen needs a 'name' and a 'component' prop to work correctly.

2. Step 2: Validate each option

   <Drawer.Screen name="Home" component={HomeScreen} /> correctly uses both 'name' and 'component'. The other options miss one or both props.

3. Final Answer:

   <Drawer.Screen name="Home" component={HomeScreen} /> -> Option C

4. Quick Check:

   Drawer.Screen requires name and component [OK]

Hint: Drawer.Screen needs both name and component props [OK]

Common Mistakes:

• Omitting the 'name' prop
• Omitting the 'component' prop
• Using incorrect JSX syntax

3. Given this code snippet, what will happen when the app runs?

import { NavigationContainer } from '@react-navigation/native';
import { createDrawerNavigator } from '@react-navigation/drawer';
import HomeScreen from './HomeScreen';
import ProfileScreen from './ProfileScreen';

const Drawer = createDrawerNavigator();

export default function App() {
  return (
    
      
        
        
      
    
  );
}

medium

A. The app crashes because NavigationContainer is missing

B. The app shows a side menu with Home and Profile screens to switch between

C. Only the Home screen is shown without a menu

D. The drawer menu appears but screens are not accessible

Solution

1. Step 1: Check NavigationContainer usage

   The code wraps Drawer.Navigator inside NavigationContainer, which manages navigation state properly.

2. Step 2: Verify Drawer.Screen setup

   Two screens, Home and Profile, are added correctly to the drawer.

3. Final Answer:

   The app shows a side menu with Home and Profile screens to switch between -> Option B

4. Quick Check:

   NavigationContainer + Drawer.Screen = working drawer menu [OK]

Hint: NavigationContainer wraps Drawer.Navigator for working menu [OK]

Common Mistakes:

• Forgetting NavigationContainer causes errors
• Adding screens outside Drawer.Navigator
• Not providing component prop to Drawer.Screen

4. Identify the error in this Drawer Navigator setup:

const Drawer = createDrawerNavigator();

export default function App() {
  return (
    
      
      
    
  );
}

medium

A. Drawer.Navigator should be inside a View component

B. Drawer.Screen components are missing the 'name' prop

C. HomeScreen and SettingsScreen components are not imported

D. Missing NavigationContainer wrapping the Drawer.Navigator

Solution

1. Step 1: Check for NavigationContainer presence

   The code does not wrap Drawer.Navigator inside NavigationContainer, which is required to manage navigation state.

2. Step 2: Verify other props and imports

   Drawer.Screen components have 'name' and 'component' props, so no issue there. The question does not show imports, but the main error is missing NavigationContainer.

3. Final Answer:

   Missing NavigationContainer wrapping the Drawer.Navigator -> Option D

4. Quick Check:

   NavigationContainer is required to wrap navigators [OK]

Hint: Always wrap Drawer.Navigator in NavigationContainer [OK]

Common Mistakes:

• Forgetting NavigationContainer causes navigation errors
• Assuming Drawer.Navigator works alone
• Ignoring import statements (not shown here)

5. You want to customize the drawer menu to show a custom header and add a logout button at the bottom. Which approach correctly applies this customization in a Drawer Navigator?

hard

A. Use the drawerContent prop on Drawer.Navigator to provide a custom component with header and logout button

B. Add a Drawer.Screen named 'Logout' with a button component

C. Wrap each screen component with a header and logout button manually

D. Use screenOptions to add header and logout button globally

Solution

1. Step 1: Understand drawer customization options

   The drawerContent prop lets you replace the default drawer menu with a custom component where you can add headers and buttons.

2. Step 2: Evaluate other options

   Add a Drawer.Screen named 'Logout' with a button component adds a screen, not a menu button. Wrap each screen component with a header and logout button manually duplicates UI in each screen, not efficient. Use screenOptions to add header and logout button globally controls screen headers, not drawer content.

3. Final Answer:

   Use the drawerContent prop on Drawer.Navigator to provide a custom component with header and logout button -> Option A

4. Quick Check:

   drawerContent prop customizes drawer UI [OK]

Hint: Use drawerContent prop for custom drawer UI [OK]

Common Mistakes:

• Adding logout as a screen instead of drawer content
• Trying to add buttons via screenOptions
• Manually adding UI inside each screen