Ionic Interview Questions and Answers
Experienced / Expert level questions & answers
Ques 1. Explain the concept of Ionic Guards in Angular navigation.
Ionic Guards are used to control navigation by determining whether a route can be activated or not. Common guards include CanActivate, CanDeactivate, CanLoad, and Resolve.
Ques 2. How can you optimize the performance of an Ionic app?
Performance optimization in Ionic involves techniques such as lazy loading, optimizing images, minimizing HTTP requests, and using Ahead-of-Time (AOT) compilation.
Ques 3. Explain the concept of Ionic Animations.
Ionic provides a powerful Animations API for creating smooth and visually appealing animations in mobile apps. It can be used to animate elements, transitions, and page changes.
Ques 4. What is the purpose of the Ionic Gesture Controller?
The Ionic Gesture Controller is used to create and manage gestures in Ionic applications. It allows developers to customize and control touch interactions for better user experience.
Ques 5. What are Ionic Native Page Transitions, and how can they be implemented?
Ionic Native Page Transitions provide animated transitions between pages for a more visually appealing user experience. They can be implemented using the @ionic-native/transitions plugin.
Ques 6. What is Ionic PouchDB, and how is it used for local data storage?
Ionic PouchDB is a wrapper around the PouchDB database library, providing a local NoSQL database for Ionic apps. It is often used for offline data storage and synchronization.
Ques 7. How can you implement drag-and-drop functionality in an Ionic app?
Drag-and-drop functionality in Ionic can be implemented using the @ionic/angular/directives/draggable directive. This directive allows users to drag and drop elements within the app.
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