Source code for the Android version of the mPower 2 study app.
Preconditions:
- Account has verified phone number
- Activities must have been requested
- Time zone between UTC-11 and UTC-1
- Account is in consented state
When the participant misses 3 consecutive days or missed 4 days total for taskId study-burst-task, the day before their next burst, they receive an SMS.
Calculation for missed days is done on the server, so manipulating the clock on a mobile device is insufficient.