Google Code-in

KDE Connect is an open-source application which provides integration for your phone and your desktop, such as allowing you to use your phone as a wireless trackpad and presentation remote, or for replying to incoming text messages from your computer. Come and be a part of building a transparent and secure bridge to simplify your world!

KDE Connect has a new experimental UI made using QML and Kirigami, that can be used both on desktop computers and on phones.

The Kirigami app lacks the UI for file sharing.

Add a entry in the plugin list that opens a file picker (https://doc.qt.io/qt-5.11/qml-qt-labs-platform-filedialog.html) and shares the file