The PHONELAMPMODE_ bit-flag constants describe various ways in which a phone's
lamp can be lit.
This value is used to describe a button/lamp position that has no
The lamp is off.
Steady means the lamp is continuously lit.
Wink means normal rate on and off.
Flash means slow on and off.
Flutter means fast on and off.
Broken flutter is the superposition of flash and flutter.
The lamp mode is currently unknown.
The high-order 16 bits can be assigned for device-specific extensions. The
low-order 16 bits are reserved.
Where the exact on and off cadences may differ across phone sets from
different vendors, mapping of actual lamp lighting patterns for most phones onto the
values listed above should be straightforward.
- Software for developers
Software for Android Developers
- More information resources
Unix Manual Pages