Câu hỏi phỏng vấn Android
Câu hỏi

When to use Android Loaders?

Câu trả lời

Android Loaders are used to asynchronously load data in the background and deliver results to the UI thread. They are particularly useful in the following scenarios:

  1. Retrieving data from a database or content provider[1][3]. Loaders can efficiently load data from a database or content provider without blocking the UI thread.

  2. Fetching data from a web service or network[1][3]. Loaders can handle network requests asynchronously and deliver the results to the UI.

  3. Performing long-running operations[1][3]. Loaders can execute time-consuming tasks in the background and update the UI when the operation is complete.

  4. Handling configuration changes[1][3]. Loaders can persist data across configuration changes (e.g., screen rotations) and automatically reconnect to the UI when the activity is recreated.

  5. Avoiding duplication of data loading logic[1][3]. Loader...

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