USE THIS FLOW AS A HOME SCREEN SHORTCUT WIDGET
This was designed to be used as a "one click" Widget (home screen shortcut) to sync up your Fitbit device with your android app.
When you launch this (as a home screen shortcut widget) it will first enable Bluetooth. Then start your Fitbit app which will automatically begin to attempt to sync with your paired Fitbit device. Then when the Fitbit app is no longer in the foreground, your Bluetooth will turn itself off.
There is about a two or three second delay after launching the widget. This is to give enough time for Bluetooth to enable before Fitbit starts. Depending on your device, you may need to adjust the delay if Fitbit doesn't automatically begin to sync. Also check your Fitbit app preferences.
If you are looking for an icon for this home screen shortcut widget. I recommend just Googling a fitbit PNG image.