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Foundations of React Native
Foundations of React Native
2. Core Concepts of React Native
Setting Up the React Native ProjectUnderstanding React Native ComponentsWorking with View and Text ComponentsUsing the Image ComponentStyling in React NativeChallenge: Apply Styles to ComponentsWorking with TouchableOpacity for User InteractionImplementing ScrollView for Scrolling ContentRendering Lists in React NativeChallenge: Build an Interactive Resort ListQuiz: React Native Basics
3. Essential React Native Principles
Working with TouchableOpacity for User Interaction
Theory
The TouchableOpacity
component provides touch feedback to the user. It's a wrapper that detects taps or clicks and provides a visual response. This component is commonly used to create interactive elements like buttons. Here's how we can work with it:
Why Use TouchableOpacity
- Touchable Feedback: It provides a visual response (opacity change) when the user presses the component, giving feedback that their touch has been recognized;
- Touchable Area: Defines an area that responds to touches, making it suitable for creating interactive elements like buttons;
- Consistent Behavior: Ensures a consistent touch experience across different devices.
Working with TouchableOpacity
- We wrap the content we want to make touchable inside the
TouchableOpacity
component; - The
onPress
prop is used to specify the function that should be executed when the component is pressed.
Example
We created a button that displays "Press Me". When pressed, it triggers an alert saying "Button pressed".
Result
In Practice
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