private void updatePreferenceState() {
boolean isEnabled = false;
boolean isOn = AirplaneModeEnabler.isAirplaneModeOn(mContext);
if (!isOn) {
// only not in airplane mode and the number of active subscription is 2, enabled.
if (SubscriptionManager.getInstance().getActiveSubscriptionsCount() == 2) {
isEnabled = true;
}
}
if (DBG) Log.d(LOG_TAG, "setEnabled: " + isEnabled);
setEnabled(isEnabled);
}
public boolean onPreferenceChange(Preference preference, Object value) {
int preferredSubscription = Integer.parseInt((String) value);
if (DBG) Log.d(LOG_TAG, "onPreferenceChange: " + preferredSubscription);
if (preferredSubscription == mPreferredSubscription) {
// do nothing but warning
if (DBG) Log.d(LOG_TAG, "preferred subscription not changed");
} else if (AirplaneModeEnabler.isAirplaneModeOn(mContext)) {
// do nothing but warning
if (DBG) Log.e(LOG_TAG, "error! airplane is on");
} else {
mLocalManager.setPreferredSubscription(
Message.obtain(
mHandler,
MultiSimSettingsConstants.EVENT_PREFERRED_SUBSCRIPTION_CHANGED,
mType,
preferredSubscription));
}
// Don't update UI to opposite state until we're sure
return false;
}