@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
mKeyStore = KeyStore.getInstance();
mChooseLockSettingsHelper = new ChooseLockSettingsHelper(this.getActivity());
// Defaults to needing to confirm credentials
final boolean confirmCredentials =
getActivity().getIntent().getBooleanExtra(CONFIRM_CREDENTIALS, true);
if (getActivity() instanceof ChooseLockGeneric.InternalActivity) {
mPasswordConfirmed = !confirmCredentials;
}
if (savedInstanceState != null) {
mPasswordConfirmed = savedInstanceState.getBoolean(PASSWORD_CONFIRMED);
mWaitingForConfirmation = savedInstanceState.getBoolean(WAITING_FOR_CONFIRMATION);
mFinishPending = savedInstanceState.getBoolean(FINISH_PENDING);
}
if (mPasswordConfirmed) {
updatePreferencesOrFinish();
} else if (!mWaitingForConfirmation) {
ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(this.getActivity(), this);
if (!helper.launchConfirmationActivity(CONFIRM_EXISTING_REQUEST, null, null)) {
mPasswordConfirmed = true; // no password set, so no need to confirm
updatePreferencesOrFinish();
} else {
mWaitingForConfirmation = true;
}
}
}
/**
* Invokes an activity to change the user's pattern, password or PIN based on given quality and
* minimum quality specified by DevicePolicyManager. If quality is {@link
* DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}, password is cleared.
*
* @param quality the desired quality. Ignored if DevicePolicyManager requires more security
* @param disabled whether or not to show LockScreen at all. Only meaningful when quality is
* {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}
*/
void updateUnlockMethodAndFinish(int quality, boolean disabled) {
// Sanity check. We should never get here without confirming user's existing password.
if (!mPasswordConfirmed) {
throw new IllegalStateException("Tried to update password without confirming it");
}
final boolean isFallback =
getActivity()
.getIntent()
.getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
quality = upgradeQuality(quality);
if (quality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC) {
int minLength = mDPM.getPasswordMinimumLength(null);
if (minLength < MIN_PASSWORD_LENGTH) {
minLength = MIN_PASSWORD_LENGTH;
}
final int maxLength = mDPM.getPasswordMaximumLength(quality);
Intent intent = new Intent().setClass(getActivity(), ChooseLockPassword.class);
intent.putExtra(LockPatternUtils.PASSWORD_TYPE_KEY, quality);
intent.putExtra(ChooseLockPassword.PASSWORD_MIN_KEY, minLength);
intent.putExtra(ChooseLockPassword.PASSWORD_MAX_KEY, maxLength);
intent.putExtra(CONFIRM_CREDENTIALS, false);
intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, isFallback);
if (isFallback) {
startActivityForResult(intent, FALLBACK_REQUEST);
return;
} else {
intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
startActivity(intent);
}
} else if (quality == DevicePolicyManager.PASSWORD_QUALITY_SOMETHING) {
boolean showTutorial = !mChooseLockSettingsHelper.utils().isPatternEverChosen();
Intent intent = new Intent();
intent.setClass(
getActivity(),
showTutorial ? ChooseLockPatternTutorial.class : ChooseLockPattern.class);
intent.putExtra("key_lock_method", "pattern");
intent.putExtra(CONFIRM_CREDENTIALS, false);
intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, isFallback);
if (isFallback) {
startActivityForResult(intent, FALLBACK_REQUEST);
return;
} else {
intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
startActivity(intent);
}
} else if (quality == DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK) {
Intent intent = getBiometricSensorIntent();
startActivity(intent);
} else if (quality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) {
mChooseLockSettingsHelper.utils().clearLock(false);
mChooseLockSettingsHelper.utils().setLockScreenDisabled(disabled);
getActivity().setResult(Activity.RESULT_OK);
}
finish();
}
@Override
public void onResume() {
super.onResume();
if (!mPasswordConfirmed && !mCanceled) {
ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(this.getActivity(), this);
if (!helper.launchConfirmationActivity(CONFIRM_EXISTING_REQUEST, null, null)) {
mPasswordConfirmed = true; // no password set, so no need to confirm
updatePreferencesOrFinish();
}
} else {
updatePreferencesOrFinish();
}
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
final String key = preference.getKey();
final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
if (KEY_UNLOCK_SET_OR_CHANGE.equals(key)) {
startFragment(
this,
"com.android.settings.ChooseLockGeneric$ChooseLockGenericFragment",
SET_OR_CHANGE_LOCK_METHOD_REQUEST,
null);
} else if (KEY_BIOMETRIC_WEAK_IMPROVE_MATCHING.equals(key)) {
ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(this.getActivity(), this);
if (!helper.launchConfirmationActivity(
CONFIRM_EXISTING_FOR_BIOMETRIC_IMPROVE_REQUEST, null, null)) {
startBiometricWeakImprove(); // no password set, so no need to confirm
}
} else if (KEY_LOCK_ENABLED.equals(key)) {
lockPatternUtils.setLockPatternEnabled(isToggled(preference));
} else if (KEY_VISIBLE_PATTERN.equals(key)) {
lockPatternUtils.setVisiblePatternEnabled(isToggled(preference));
} else if (KEY_TACTILE_FEEDBACK_ENABLED.equals(key)) {
lockPatternUtils.setTactileFeedbackEnabled(isToggled(preference));
} else if (KEY_POWER_INSTANTLY_LOCKS.equals(key)) {
lockPatternUtils.setPowerButtonInstantlyLocks(isToggled(preference));
} else if (preference == mShowPassword) {
Settings.System.putInt(
getContentResolver(),
Settings.System.TEXT_SHOW_PASSWORD,
mShowPassword.isChecked() ? 1 : 0);
} else if (preference == mToggleAppInstallation) {
if (mToggleAppInstallation.isChecked()) {
mToggleAppInstallation.setChecked(false);
warnAppInstallation();
} else {
setNonMarketAppsAllowed(false);
}
} else {
// If we didn't handle it, let preferences handle it.
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
return true;
}
private Intent getBiometricSensorIntent() {
Intent fallBackIntent = new Intent().setClass(getActivity(), ChooseLockGeneric.class);
fallBackIntent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, true);
fallBackIntent.putExtra(CONFIRM_CREDENTIALS, false);
fallBackIntent.putExtra(
EXTRA_SHOW_FRAGMENT_TITLE, R.string.backup_lock_settings_picker_title);
boolean showTutorial =
ALWAY_SHOW_TUTORIAL || !mChooseLockSettingsHelper.utils().isBiometricWeakEverChosen();
Intent intent = new Intent();
intent.setClassName("com.android.facelock", "com.android.facelock.SetupIntro");
intent.putExtra("showTutorial", showTutorial);
PendingIntent pending = PendingIntent.getActivity(getActivity(), 0, fallBackIntent, 0);
intent.putExtra("PendingIntent", pending);
return intent;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == CONFIRM_EXISTING_REQUEST && resultCode == Activity.RESULT_OK) {
mPasswordConfirmed = true;
updatePreferencesOrFinish();
} else if (requestCode == FALLBACK_REQUEST) {
mChooseLockSettingsHelper.utils().deleteTempGallery();
getActivity().setResult(resultCode);
finish();
} else {
mCanceled = true;
getActivity().setResult(Activity.RESULT_CANCELED);
finish();
}
}
/**
* * Disables preferences that are less secure than required quality.
*
* @param quality the requested quality.
*/
private void disableUnusablePreferences(final int quality, MutableBoolean allowBiometric) {
final PreferenceScreen entries = getPreferenceScreen();
final boolean onlyShowFallback =
getActivity()
.getIntent()
.getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
final boolean weakBiometricAvailable =
mChooseLockSettingsHelper.utils().isBiometricWeakInstalled();
// if there are multiple users, disable "None" setting
UserManager mUm = (UserManager) getSystemService(Context.USER_SERVICE);
List<UserInfo> users = mUm.getUsers(true);
final boolean singleUser = users.size() == 1;
for (int i = entries.getPreferenceCount() - 1; i >= 0; --i) {
Preference pref = entries.getPreference(i);
if (pref instanceof PreferenceScreen) {
final String key = ((PreferenceScreen) pref).getKey();
boolean enabled = true;
boolean visible = true;
if (KEY_UNLOCK_SET_OFF.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
visible = singleUser; // don't show when there's more than 1 user
} else if (KEY_UNLOCK_SET_NONE.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
} else if (KEY_UNLOCK_SET_BIOMETRIC_WEAK.equals(key)) {
enabled =
quality <= DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK
|| allowBiometric.value;
visible = weakBiometricAvailable; // If not available, then don't show it.
} else if (KEY_UNLOCK_SET_PATTERN.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;
} else if (KEY_UNLOCK_SET_PIN.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;
} else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_COMPLEX;
}
if (!visible || (onlyShowFallback && !allowedForFallback(key))) {
entries.removePreference(pref);
} else if (!enabled) {
pref.setSummary(R.string.unlock_set_unlock_disabled_summary);
pref.setEnabled(false);
}
}
}
}
@Override
public void onResume() {
super.onResume();
// Make sure we reload the preference hierarchy since some of these settings
// depend on others...
createPreferenceHierarchy();
final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
if (mVisiblePattern != null) {
mVisiblePattern.setChecked(lockPatternUtils.isVisiblePatternEnabled());
}
if (mTactileFeedback != null) {
mTactileFeedback.setChecked(lockPatternUtils.isTactileFeedbackEnabled());
}
if (mPowerButtonInstantlyLocks != null) {
mPowerButtonInstantlyLocks.setChecked(lockPatternUtils.getPowerButtonInstantlyLocks());
}
mShowPassword.setChecked(
Settings.System.getInt(getContentResolver(), Settings.System.TEXT_SHOW_PASSWORD, 1) != 0);
KeyStore.State state = KeyStore.getInstance().state();
mResetCredentials.setEnabled(state != KeyStore.State.UNINITIALIZED);
// Location Settings
updateLocationToggles();
if (mSettingsObserver == null) {
mSettingsObserver =
new Observer() {
public void update(Observable o, Object arg) {
updateLocationToggles();
}
};
mContentQueryMap.addObserver(mSettingsObserver);
}
}
/**
* * Disables preferences that are less secure than required quality.
*
* @param quality the requested quality.
*/
private void disableUnusablePreferences(final int quality) {
final PreferenceScreen entries = getPreferenceScreen();
final boolean onlyShowFallback =
getActivity()
.getIntent()
.getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
final boolean weakBiometricAvailable =
mChooseLockSettingsHelper.utils().isBiometricWeakInstalled();
for (int i = entries.getPreferenceCount() - 1; i >= 0; --i) {
Preference pref = entries.getPreference(i);
if (pref instanceof PreferenceScreen) {
final String key = ((PreferenceScreen) pref).getKey();
boolean enabled = true;
boolean visible = true;
if (KEY_UNLOCK_SET_OFF.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
} else if (KEY_UNLOCK_SET_NONE.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
} else if (KEY_UNLOCK_SET_BIOMETRIC_WEAK.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK;
visible = weakBiometricAvailable; // If not available, then don't show it.
} else if (KEY_UNLOCK_SET_PATTERN.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;
} else if (KEY_UNLOCK_SET_PIN.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;
} else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) {
enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_COMPLEX;
}
if (!visible || (onlyShowFallback && !allowedForFallback(key))) {
entries.removePreference(pref);
} else if (!enabled) {
pref.setSummary(R.string.unlock_set_unlock_disabled_summary);
pref.setEnabled(false);
}
}
}
}