SfImageEditor control not stretching to full height/width for low resolution images when used on a Fragment

[Lester Botello]

Hi Syncfusion.

Using SfImageEditor for Android, NuGet version 18.4.0.41. I'm currently trying to implement the SfImageEditor control inside a Fragment. Functionality of the control is not impaired, however, it doesn't seem to handle image scaling correctly for low resolution pictures, and the control itself seems to wrap around the original size of the image, causing it to not fill the full fragment, even if setting the LayoutParameters for the control to match the fragment's layout params.. In contrast, when using the control inside a regular activity (as exemplified in the Samples), the control fills the whole activity and the image stretches correctly inside it.

Interestingly, editing the photo and then resetting it causes the control to work correctly, which makes me suspect something in the control layout is not initializing correctly when not inside an activity. I've attached a couple of pictures which demonstrate the issue with a JPG image with dimensions 329x153. Is there a way to get the control to fill the entire fragment from the start like it does when contained inside an activity?

Thanks in advance.

Attachment: Samples_c8f206c5.zip

[Sridevi Sivakumar]

Hi  Lester Botello,

Greetings from Syncfusion.

We have checked the reported query and screenshot and we have prepared sample with SfImageEditor control inside the fragment and working fine at our end.



Tested device detail: 

MI A3(Android version 10)

Please have a sample from below link
https://www.syncfusion.com/downloads/support/directtrac/general/ze/EditorSample-1383517345

·       If the issue is not reproduced in the above sample, please revert us by modifying the sample based on your application along with the replication procedure.   

·       Can you provide the overall page structure used in your project?   

·       Can you share the Syncfusion versions and also device configuration details?

Regards,
Sridevi S. 

[Sam Konstas Smith]

Hi Lester Botello,

Image scaling issues like this often come down to how a tool initializes its layout when it is embedded in different containers. In Android, fragments can behave differently from activities, especially with view measurement and rendering of low resolution images. A similar contrast can be seen when comparing native editors such as lightroom pro, which handles image scaling consistently regardless of context, versus SDK based controls that rely heavily on the host layout lifecycle. This makes it worth checking whether the image editor provides fragment specific initialization hooks or requires a manual refresh or rebind step to correctly calculate its dimensions on first load.

[Vidyalakshmi Mani]

Hi Sam Konstas Smith,

We have tested the SfImageEditor inside a Fragment, and it is functioning and displaying as expected. For your reference, we have attached the tested sample along with an output image.

The control automatically adjusts its layout according to the image size, so no manual refresh is required.

If you experience any further issues, please share a sample along with an output image or video illustrating the behavior. This will help us investigate the scenario more effectively and provide an appropriate solution.

Regards,

Vidyalakshmi M.

Attachment: SampleAndOutputImage_d272d794.zip

[seo ninja]

It definitely sounds like a layout initialisation quirk when SfImageEditor is hosted inside a Fragment instead of an Activity. The fact that editing and resetting fixes the scaling suggests the view isn’t measuring or refreshing correctly on first render. Maybe forcing a layout pass or delaying the image load until after the Fragment view is fully created could help.

It’s kind of like when you download an anime mod apk, and it doesn’t scale properly until you refresh or restart the app. Sometimes, it just needs that extra trigger to render correctly.

[Jamiejohn]

The SfImageEditor control not stretching images to full height/width on low-resolution assets is usually due to how the control calculates scaling based on original image dimensions and aspect ratio. Ensuring that the Stretch property is explicitly set and that the editor’s container size is computed before rendering often resolves the issue. Sometimes low-res images have embedded metadata that misleads layout logic, so normalizing the image file before load can help. 

[ben bkq]

The discussion on Syncfusion pointed out rendering problems, and I also saw on netmirrors.su users mentioning APK scaling issues on low-res images.

[Hadayarahman Mohamed Khan Yusuf]

Hi Jamiejohn,

Thanks for your feedback, please get back to us if you need any further assistance

Regards,
Hadaya Rahman M

[Heinrich Klaaseen]

Thanks for your feedback

[Lightroom]

Exactly — the scaling problem usually stems from how the editor calculates its layout within a fragment versus an activity. Checking for fragment-specific initialization methods or manually triggering a refresh/rebind after the view is measured often resolves the issue. 

[Alastair Cook]

Using SfImageEditor 18.4.0.41 in a Fragment can cause scaling issues with low-resolution images because the control wraps the original image size instead of the container. Unlike in an Activity, the Fragment’s layout handling may prevent proper stretching. Ensure the Fragment’s view hierarchy measures the editor correctly, and try programmatically setting like gta  or updating the control’s layout after the view is fully laid out to fill the fragment.

[Temba Bavuma]

It seems similar to issues seen in minesweeper online implementations where the initial grid doesn’t render properly until a refresh occurs. In your case, SfImageEditor inside a Fragment likely suffers from a layout measurement delay. Forcing a layout pass or delaying the image load until the Fragment is fully created can resolve the scaling problem, much like triggering a manual refresh in minesweeper online to ensure all elements display correctly on first load.

[Phill Jones]

It seems like SfImageEditor isn’t initializing its layout properly when used inside a Fragment, which is why it doesn’t fill the space or scale low-resolution images correctly at first. Sometimes these controls behave differently in Fragments compared to Activities, and resetting the image fixes it because it forces the layout to update. Keeping an eye on the layout behavior with a tool like senpai stream can help understand what’s going wrong and make it easier to get the control to fill the fragment as intended.

[Vidyalakshmi Mani]

Hi Phill,

We checked the reported behavior on our side but were not able to reproduce the issue. Could you please share a sample project where you are experiencing this problem? This will help us investigate further and provide appropriate assistance.

Regards,

Vidyalakshmi M.

[Craig Hand MD]

It does sound like the editor is not measuring the Fragment space properly when the image is small. Since it works after editing and resetting, the control may just need the view to refresh after the Fragment is fully loaded. I would try loading the image after the layout is ready or forcing the editor to update its size once the Fragment view has been created. It is similar to display issues seen in apps like net mirror, where low-resolution images may not fit correctly until the screen refreshes.

[Lightroom]

Advanced Lightroom editing workflow for Android users often resolves this issue because Lightroom mod apk loads heavy editing modules before fragment dimensions are fully calculated. Triggering a delayed refresh or rebind after measurement usually fixes the scaling behavior.

[Vishal Omprasad]

Hi Craig,

Thanks for your feedback, please get back to us if you need any further assistance.

Regards,

Vishal.