My application can be found in Dash, but only the name is shown, not the icon:
And after running the app, the icon can be seen in Dock:
Here is the desktop file.
[Desktop Entry]
Name=CoBang
GenericName=QR code scanner
X-GNOME-FullName=CoBang QR code scanner for GTK desktop
Comment=Scan and decode QR from camera or static image
Keywords=qr;code;qr-code;qr-decoder;qr-scanner
Exec=cobang
Terminal=false
Type=Application
Icon=vn.hoabinh.quan.CoBang
StartupWMClass=vn.hoabinh.quan.CoBang
StartupNotify=true
Categories=GTK;Office;Graphics;AudioVideo;Video;Scanning;
DBusActivatable=true
How to fix it?