Retrieve the status message from the edit text on the main activity layout
Use a local variable to store the status message
If the status message is empty, i.e. zero length, don't post anything
Move the field variable containing the maximum number of characters permitted in a status message to the outer class, i.e. increase the scope.
Don't post a status message up to the Yamba service if the status message is too long
Reformat code for consistency
Log a message indicating the status message is too long to post
Log a message if the status message is empty
Display a status message to the user if they try to post an empty message
Display a message to the user if they try to post a status update that is too long