UART now checks the RX characteristic properties and: 1) it will use long write if WRITE REQUEST is set, 2) it will divide the text into up to 20-bytes packets Also the app background has been fixed.
Switching to AppCompatActivity, better Navigation drawer, DFU bug fixed.
BleManagers refactoring, support for keeping bond information in DFU (DFU v0.6), support for Distribution packets in DFU.
Project migrated to Android Studio and released on GitHub.