android/ios opening external browser while maintaining controle -

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good morning everyone,

i facing issue both android , ios apps. while use webviews, had requirement coming in open external browsers in order reach our payment portal. ios especially, part of ios guidelines preventing app getting accepted unfortunately.

i know how open browser externally, cannot close easily. seems boil down being different application opened either android or ios code. in aspect window.close() or similar not work.

my question is, there trick using custom url schemes, trying achieve press button in external browser , close said browser bring app front.

or there kind of custom intent library android me achieve same result.

any hint appreciated, research far not been fruitful.. thank in advance.


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