public static void setState(ActivityRecognitionResult result) {
DetectedActivity da = result.getMostProbableActivity();
int state = da.getType();
log.debug(
"DetectedActivity: "
+ DateTimes.timeFormat().format(result.getTime())
+ " - "
+ getStateText(state)
+ ", "
+ da.getConfidence()
+ ", "
+ DateTimes.timeFormat().format(result.getElapsedRealtimeMillis()));
if (Collections.isEmpty(states)) {
states.put(state, 0L);
lastState = state;
lastStart = System.currentTimeMillis();
return;
}
Long ltime = states.get(lastState);
if (ltime != null) {
ltime += (System.currentTimeMillis() - lastStart);
states.put(lastState, ltime);
}
lastState = state;
lastStart = System.currentTimeMillis();
if (!states.containsKey(state)) {
states.put(state, 0L);
}
}
private static int getBestState() {
if (Collections.isEmpty(states)) {
return DetectedActivity.UNKNOWN;
}
long max = 0;
for (Long time : states.values()) {
if (time > max) {
max = time;
}
}
int state = DetectedActivity.UNKNOWN;
for (Entry<Integer, Long> en : states.entrySet()) {
if (max == en.getValue()) {
state = en.getKey();
break;
}
}
states.clear();
states.put(lastState, 0L);
lastStart = System.currentTimeMillis();
return state;
}