# Android

**URL:** https://techoforum.com/c/mobile-app-development/android/19.md

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## [About the Android category](https://techoforum.com/t/about-the-android-category/32)

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**Author:** [@admin](https://techoforum.com/u/admin)\
**Replies:** 0

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Android App Development Forum to discuss topics related with Android mobile app advelopment.

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## [How To Prevent People Extracting APK From My Android App?](https://techoforum.com/t/how-to-prevent-people-extracting-apk-from-my-android-app/35)

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**Author:** [@Marcos](https://techoforum.com/u/Marcos)\
**Replies:** 4\
**Last updated:** [May 23, 2025, 12:56pm UTC](https://techoforum.com/t/how-to-prevent-people-extracting-apk-from-my-android-app/35 "2025-05-23T12:56:42Z")

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I was searching for my Android App and saw some websites have listed my app but they have also provided link to download APK. It worries me. Is it possible to stop these thugs extracting APK and uploading on their websit…

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## [Transaction was declined. \[OR-FGEMF-20\]](https://techoforum.com/t/transaction-was-declined-or-fgemf-20/396)

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**Author:** [@valery](https://techoforum.com/u/valery)\
**Replies:** 0\
**Last updated:** [October 6, 2024, 10:45am UTC](https://techoforum.com/t/transaction-was-declined-or-fgemf-20/396 "2024-10-06T10:45:36Z")

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Hello, I’ve an app on Google Play which has been live for quite sometime. My customers are complaining that they can’t purchase coins in the app, they are getting this error: Transaction was declined. \[OR-FGEMF-20\] Do…