/** @return Vehicle flight time in seconds. */
public long getFlightTime() {
State droneState = getAttribute(AttributeType.STATE);
if (droneState != null && droneState.isFlying()) {
// calc delta time since last checked
elapsedFlightTime += SystemClock.elapsedRealtime() - startTime;
startTime = SystemClock.elapsedRealtime();
}
return elapsedFlightTime / 1000;
}
private void setupButtonsByFlightState() {
final State droneState = getDrone().getAttribute(AttributeType.STATE);
if (droneState != null && droneState.isConnected()) {
if (droneState.isArmed()) {
if (droneState.isFlying()) {
setupButtonsForFlying();
} else {
setupButtonsForArmed();
}
} else {
setupButtonsForDisarmed();
}
} else {
setupButtonsForDisconnected();
}
}
@Override
public boolean isSlidingUpPanelEnabled(Drone drone) {
final State droneState = drone.getAttribute(AttributeType.STATE);
return droneState.isConnected() && droneState.isArmed() && droneState.isFlying();
}