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Mobile Development with React Native

Mobile Development with React Native

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Consider this code: <Tab.Screen name="Profile" component={ProfileScreen} />.

What does name represent?

A unique identifier for the navigation route

✅

The title of the screen

❌

The label of the tab

❌

The name of the component used to display the header

❌

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How can we configure the initial route in a navigator?

Through a configuration file

By using the initialRouteName prop

✅

By using a global state

The initial route can be defined by placement - the first screen will be shown initially

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Which prop is used to configure drawer position in DrawerNavigator?

drawerAlignment

❌

alignItems

❌

drawer position is not configurable

position

drawerPosition

In Drawer Navigation, how is the drawer content typically structured?

As a list of buttons

✅

In a grid layout

❌

As a single, large image

❌

As a set of sliders

❌

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Can you use custom components for the drawer content in Drawer Navigation?

No, it must be text-only

❌

No, only predefined components are allowed

❌

Yes, custom components can be used

✅

Yes, but only with additional libraries

❌

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How do you add an icon to a tab in Bottom Tab Navigation?

By setting the image property

Through the tabBarIcon function

Using the icon prop

Icons cannot be added to tabs

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What does the concept of "worklets" in the context of Reanimated library mean?

Functions executed on the UI thread

✅

State management techniques

❌

Components for UI styling

❌

Design patterns for animations

❌

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How does useDerivedValue differ from useSharedValue in Reanimated?

useDerivedValue is used for simple animations, while useSharedValue is for complex animations

❌

useDerivedValue manages UI components, while useSharedValue calculates derived values

❌

Both hooks serve the same purpose

❌

useSharedValue tracks animated values, whereas useDerivedValue calculates derived values based on dependencies

✅

View this question

How is useAnimatedStyle typically integrated within React Native components for animations?

It's used to define UI layouts

❌

It's employed to apply animated styles directly within the JSX of a component

✅

It's invoked within the useEffect hook

❌

It's directly passed as a prop to a child component

❌

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How does Reanimated differ from other animation libraries in React Native?

It's more focused on UI styling

❌

It's more efficient in handling complex animations

✅

It provides better compatibility with older devices

❌

It leverages the power of the native driver for smoother animations

✅

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