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Скачать или смотреть How to Remove Selected Images from GridView on Long Press in Android

  • vlogize
  • 2025-05-27
  • 2
How to Remove Selected Images from GridView on Long Press in Android
how to remove selected images in grid view when long press happens in androidandroidandroid studioandroid layoutgridviewandroid gridview
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Описание к видео How to Remove Selected Images from GridView on Long Press in Android

Learn how to effectively manage image selection in GridView for your Android applications by implementing a long press and delete functionality.
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This video is based on the question https://stackoverflow.com/q/68438220/ asked by the user 'Ritthisha S' ( https://stackoverflow.com/u/13817151/ ) and on the answer https://stackoverflow.com/a/68439929/ provided by the user 'Rus_o' ( https://stackoverflow.com/u/13783049/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: how to remove selected images in grid view when long press happens in android

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The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
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Removing Selected Images from GridView on Long Press in Android

As an Android developer, you might find yourself needing to create user-friendly image galleries that allow users to select and delete images with ease. If you’re working with a GridView, specifically, implementing a feature for selecting images via a long press can enhance user interaction significantly. In this post, we will walk you through the steps to highlight selected images with a long press and subsequently remove them upon confirmation.

Problem Overview

You have already accomplished the foundational work of fetching images from the gallery and displaying them in a GridView. The next challenge is to enable users to select images by performing a long press, and then allowing them to delete these selected images using a delete button. This functionality enhances user experience, making it simple to manage their image selections.

Step-by-Step Solution

1. Setting Up Your Layout

Make sure your layout includes the necessary UI components, such as buttons for browsing and deleting images, and a GridView to display the images.

[[See Video to Reveal this Text or Code Snippet]]

2. Update Your MainActivity

In your MainActivity, you need to track the indices of the selected images. This can be done through an ArrayList that stores the positions of clicked images. You should also ensure that the delete button operates based on these indices.

Create a Click Listener for Long Press

In the onCreate() method, set up the OnItemLongClickListener for the GridView:

[[See Video to Reveal this Text or Code Snippet]]

3. Implementing the Deletion Logic

You then need to assign an OnClickListener for the delete button. When it is clicked, iterate through the clicked indices and remove the corresponding images from imagesUri.

[[See Video to Reveal this Text or Code Snippet]]

4. Notifying the Adapter

After the list of images has been updated, it's crucial to notify the ImageAdapter so that it can refresh the visual representation of the GridView. This is done by calling notifyDataSetChanged() on the adapter, which we included in the delete button click listener.

Conclusion

By following these steps, you can implement a robust feature for selecting and deleting images in a GridView using long press functionality in your Android applications. This interaction not only enhances the usability of your app but also makes image management intuitive for users.

If you're an Android Developer looking for further refinements or troubleshooting tips, feel free to explore more topics or reach out for community support. Happy coding!

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