feat(android): allow transparent modal backgrounds #10761

SeanKelly369 · 2025-07-09T23:59:41Z

For the modal dialogs, this removes the white with shape edges that can appear when a modal with radiused borders is used.

BREAKING CHANGES: Dialogs with no background colour set may become transparent.

Tests run forked repository all passed

An example app showing the changes can be accessed at https://github.com/SeanKelly369/native_dialog_tut

For the modal dialogs, this removes the white with shape edges that can appear when a modal with radiused borders is used.

coderabbitai · 2025-07-09T23:59:47Z

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CatchABus · 2025-07-21T15:50:16Z

@SeanKelly369 This might need some extra work as core enforces white color for fullscreen modals here: https://github.com/NativeScript/NativeScript/blob/main/packages/core/ui/core/view/index.android.ts#L255

Also, this should fix/close #10360

SeanKelly369 · 2025-07-21T16:00:17Z

@CatchABus What do you propose should be done? As is, having that white background is a problem in dialogs for Android.

CatchABus · 2025-07-21T20:14:07Z

@CatchABus What do you propose should be done? As is, having that white background is a problem in dialogs for Android.

Yes, indeed.
We might need a mid-solution. Like keeping color for fullscreen modals and make other modals transparent. 🤔

SeanKelly369 · 2025-07-21T20:26:59Z

@CatchABus That's work alright

CatchABus · 2025-07-21T21:09:17Z

@CatchABus That's work alright

There's still this case that worries me.

BREAKING CHANGES: Dialogs with no background colour set may become transparent.

This is a personal opinion but how does having an android-specific property for changing window color sound?
We have already got platform-specific props like iOS presentationStyle.

So, your example would look like this.

        const modalOptions: NativeDialogConfig = {
            data: this.president,
            nativeOptions: {
                fullscreen: true,
                animated: false,
                android: {
                    windowBackgroundColor: 'transparent'
                },
                ios: {
                    presentationStyle: UIModalPresentationStyle.OverCurrentContext
                }
            }
        };

SeanKelly369 · 2025-07-21T21:17:05Z

@CatchABus Your concern is a valid one and I think your solution proposal is a good one.

Update index.android.ts

79d3ec3

For the modal dialogs, this removes the white with shape edges that can appear when a modal with radiused borders is used.

NathanWalker changed the title ~~Update index.android.ts~~ feat(android): allow transparent modal backgrounds Jul 11, 2025

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