private void removeAll() {
mProgressCategory.removeAll();
getPreferenceScreen().removeAll();
mProgressCategory.setProgress(false);
mItemPreferences.clear();
mItemKeys.clear();
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference != null && preference instanceof SecurityItemPreference) {
Xlog.d(TAG, "onPreferenceChange, select " + preference.getKey() + " active");
Settings.Global.putString(
getContentResolver(), Settings.Global.NFC_MULTISE_ACTIVE, preference.getKey());
mProgressCategory.setProgress(true);
mSwitchBar.setEnabled(false);
for (SecurityItemPreference pref : mItemPreferences) {
pref.setEnabled(false);
}
return true;
}
return false;
}
private void addItemPreference() {
String[] list = getCardEmulationList();
if (list != null) {
for (String key : list) {
SecurityItemPreference pref = new SecurityItemPreference(getActivity());
pref.setTitle(key);
pref.setKey(key);
pref.setOnPreferenceChangeListener(this);
mProgressCategory.addPreference(pref);
mItemPreferences.add(pref);
mItemKeys.add(key);
}
}
}
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (preference != null && preference instanceof SecurityItemPreference) {
Xlog.d(TAG, "onPreferenceTreeClick " + preference.getKey());
String activeMode =
Settings.Global.getString(getContentResolver(), Settings.Global.NFC_MULTISE_ACTIVE);
String prefKey = preference.getKey();
if (prefKey != null && !(prefKey.equals(activeMode))) {
Settings.Global.putString(
getContentResolver(), Settings.Global.NFC_MULTISE_ACTIVE, preference.getKey());
mProgressCategory.setProgress(true);
mSwitchBar.setEnabled(false);
for (SecurityItemPreference pref : mItemPreferences) {
pref.setEnabled(false);
}
return true;
}
}
return false;
}
/** update the preference according to the status of NfcAdapter settings */
private void updatePreferences() {
removeAll();
String activeMode =
Settings.Global.getString(getContentResolver(), Settings.Global.NFC_MULTISE_ACTIVE);
String previousMode =
Settings.Global.getString(getContentResolver(), Settings.Global.NFC_MULTISE_PREVIOUS);
int transactionStatus =
Settings.Global.getInt(getContentResolver(), Settings.Global.NFC_MULTISE_IN_TRANSACTION, 0);
int switchingStatus =
Settings.Global.getInt(getContentResolver(), Settings.Global.NFC_MULTISE_IN_SWITCHING, 0);
Xlog.d(
TAG,
"updatePreferences(),EMULATION_OFF "
+ EMULATION_OFF
+ ", active mode: "
+ activeMode
+ ", previous mode is "
+ previousMode);
Xlog.d(
TAG,
"updatePreferences, transactionStatus is "
+ transactionStatus
+ " switchingStatus is "
+ switchingStatus);
if (EMULATION_OFF.equals(activeMode)) {
mUpdateStatusOnly = true;
mSwitchBar.setChecked(false);
mUpdateStatusOnly = false;
if (getCardEmulationList().length == 0) {
Xlog.d(TAG, "no available security elment found and the active mode is off");
mEmptyView.setText(R.string.card_emulation_settings_no_element_found);
} else {
if (switchingStatus == 0) {
mEmptyView.setText(R.string.card_emulation_settings_off_text);
} else {
mEmptyView.setText(R.string.card_emulation_turning_off_text);
}
}
mSwitchBar.setEnabled(transactionStatus == 0 && switchingStatus == 0);
} else {
mUpdateStatusOnly = true;
mSwitchBar.setChecked(true);
mUpdateStatusOnly = false;
if (switchingStatus == 1 && EMULATION_OFF.equals(previousMode)) {
mSwitchBar.setEnabled(false);
mEmptyView.setText(R.string.card_emulation_turning_on_text);
} else {
mSwitchBar.setEnabled(transactionStatus == 0 && switchingStatus == 0);
addItemPreference();
int prefCount = mProgressCategory.getPreferenceCount();
getPreferenceScreen().addPreference(mProgressCategory);
SecurityItemPreference itemPref = (SecurityItemPreference) findPreference(activeMode);
if (itemPref != null) {
itemPref.setChecked(true);
mActivePref = itemPref;
} else {
Xlog.d(TAG, "Activie mode is " + activeMode + ", can not find it on screen");
}
mProgressCategory.setProgress(switchingStatus == 1);
mProgressCategory.setEnabled(transactionStatus == 0 && switchingStatus == 0);
}
}
}