Android is Google's mobile operating system, used for programming or developing digital devices (Smartphones, Tablets, Automobiles, TVs, Wear, Glass, IoT). For topics related to Android, use Android-specific tags such as android-intent, android-activity, android-adapter, etc. For questions other than development or programming but related to the Android framework, use this link:
Can we PIN protect the pull down banner on an android device? Ideally I would like to have it where the menu options that are available in there like WIFI, mobile data, Bluetooth etc are only accessible from someone who knows the PIN
Here's a link to our SDK docs that go in to detail around sending file attachments.
-web-widget-sdks/chat-sdk-v2/android/providers/#sending-an-attachment
Let me know if this is helpful, and if you have any questions.