Added signal icons for other device sizes.
Added missing preferences xml.
Reworked the handling of broadcast messages.  As part of this, for performance the "signal strength" broadcast receiver is disabled/enabled when the appropriate setting is changed.
Minor changes and cleanup.
More work with broadcast receivers.
Cleanup of strings and other tidying.
Turn off dynamic signal strength icon by default.
Updated application to version 1.0.1.
Ensure data is always updated when settings are changed.
Rolled application to version 1.0.2.
Only perform updateData optimisation when "show signal strength" preference is enabled.
Rolled application to version 1.0.3.
Updated dialog display.
Improvements to the preferences screen.
For updateData() to refresh for all broadcast messages other than "signal strength".
Rolled version code for follow-up release of 1.0.3.
Added catch attempts back in until root cause can be found.
Rolled version code for follow-up release of 1.0.3.
Added playstore assets.