Category: React Native Interview Question
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What all CSS properties are not supported by React native?
Though most of the CSS properties works in the same way in React native still there are few differences in CSS property values between a browser and React native: Apart from the above difference, most of the CSS properties work exactly the same as they work in a browser.
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How can we change the default behaviour of the main axis and cross axis of flexbox layout?
By default, the main axis is the vertical axis and cross axis is the horizontal axis in React native. Since justifyContent and alignItems property works based on the main axis and cross axis, so justifyContent will align flex items vertically and alignItems will layout flex item horizontally. This default value of the main axis and…
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How does alignItems flexBox property works?
You can think of alignItems as justifyContent behaviour for cross axis. Cross-axis in case if React native is the horizontal axis. CSS alignItems property sets the alignSelf value on all direct children as a group. In Flexbox, it controls the alignment of items on the cross axis. By default, the cross axis is a horizontal…
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How does justifyContent flexBox property work?
JustifyContent property aligns the flexible container’s items when the items do not use all available space on the main axis. By default, the main axis is a vertical axis in case of React native. Which means justifyContent property aligns child elements of flex parent vertically in React native. We can use this property to layout…
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What are the differences between Flexbox in browser and Flexbox in React Native?
CSS Flexbox is used to design a responsive layout easily without using float or position CSS property. Float and position values were used to build any type of UI which are not very easy. Flexbox is added in CSS3. Flexbox is designed to provide a consistent layout on different screen sizes. You will normally use…
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How CSS flexbox is used to layout a React Native UI
By default, the View component in React Native has its display property set to flex. Flex is a CSS property used to expand and shrink components dynamically based on available space. Setting flex: 1 on a component makes it take up all the available space. If a parent element has flex: 1, its child elements will evenly distribute the available space among themselves. …
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How do you handle elements size in React Native?
React native follows the box-model concept of CSS. The size of the element is calculated based on the size of content, padding, border, margin. The simplest way to set the size of an element is to set width and height CSS property for an element. All dimensions in React Native is unitless and represent density-independent…
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How do you style your React Native component?
Every React Native component like View, Text, Image etc… accepts a style prop which is an object of CSS rules. The only difference between CSS rules and CSS object used in React Native is key in CSS object has CSS rules in camelCase, for example, CSS rule background-colour will become backgroundColour in React Native. There…
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Why do you need to install watchman software when setting up a development environment for React Native on MacOS?
Introduction: Watchman is an open-source project developed by Facebook that monitors files and tracks changes. Functionality: It can trigger actions based on file changes. Hot Reloading in React Native: Automation: When a developer makes changes in a React Native project file, Watchman detects the changes and triggers an automatic build, reflecting updates without manual intervention. Developer Benefits: The hot…
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How do you start the React Native app development?
Starting a project from scratch is always a little bit harder that is why there are some tooling available which we can use to bootstrap a React Native project.