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This PR enhances the bottom app bar in the by adding a download button alongside the existing copy link button. The download button allows users to save the displayed image to local storage, offering a familiar and seamless experience consistent with platform norms.
Related Issue: #42
Key Changes:
Download Button Added:
A new IconButton with a download icon (Icons.download_rounded) is added to the bottom app bar.
Download Functionality:
When pressed, the button initiates a network request to download the image.
The image is saved to the local storage in the "Downloads" directory.
User Feedback:
A SnackBar is displayed to inform the user about the download status:
Success: "Image downloaded successfully."
Failure: "Failed to download image."
Timeout: "Download timed out."
Testing:
Comprehensive tests are added to verify the behavior of the download button:
Displays download button correctly.
Handles successful downloads.
Handles failed downloads (e.g., 404 errors).
Handles timeout scenarios gracefully.
Video Demonstration:
WhatsApp.Video.2024-12-13.at.7.21.34.PM.mp4