| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.fingerprint; |
| |
| |
| import android.annotation.Nullable; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.graphics.Typeface; |
| import android.graphics.drawable.Drawable; |
| import android.hardware.fingerprint.Fingerprint; |
| import android.hardware.fingerprint.FingerprintManager; |
| import android.hardware.fingerprint.FingerprintManager.AuthenticationCallback; |
| import android.hardware.fingerprint.FingerprintManager.AuthenticationResult; |
| import android.hardware.fingerprint.FingerprintManager.RemovalCallback; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.Handler; |
| import android.preference.Preference; |
| import android.preference.Preference.OnPreferenceChangeListener; |
| import android.preference.PreferenceGroup; |
| import android.preference.PreferenceScreen; |
| import android.text.Annotation; |
| import android.text.SpannableString; |
| import android.text.SpannableStringBuilder; |
| import android.text.TextPaint; |
| import android.text.method.LinkMovementMethod; |
| import android.text.style.URLSpan; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.EditText; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.settings.ChooseLockGeneric; |
| import com.android.settings.ChooseLockSettingsHelper; |
| import com.android.settings.HelpUtils; |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.SubSettings; |
| |
| import java.util.List; |
| |
| /** |
| * Settings screen for fingerprints |
| */ |
| public class FingerprintSettings extends SubSettings { |
| /** |
| * Used by the FP settings wizard to indicate the wizard is |
| * finished, and each activity in the wizard should finish. |
| * <p> |
| * Previously, each activity in the wizard would finish itself after |
| * starting the next activity. However, this leads to broken 'Back' |
| * behavior. So, now an activity does not finish itself until it gets this |
| * result. |
| */ |
| static final int RESULT_FINISHED = RESULT_FIRST_USER; |
| private static final long LOCKOUT_DURATION = 30000; // time we have to wait for fp to reset, ms |
| |
| @Override |
| public Intent getIntent() { |
| Intent modIntent = new Intent(super.getIntent()); |
| modIntent.putExtra(EXTRA_SHOW_FRAGMENT, FingerprintSettingsFragment.class.getName()); |
| return modIntent; |
| } |
| |
| @Override |
| protected boolean isValidFragment(String fragmentName) { |
| if (FingerprintSettingsFragment.class.getName().equals(fragmentName)) return true; |
| return false; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| CharSequence msg = getText(R.string.security_settings_fingerprint_preference_title); |
| setTitle(msg); |
| } |
| |
| public static class FingerprintSettingsFragment extends SettingsPreferenceFragment |
| implements OnPreferenceChangeListener { |
| private static final int MAX_RETRY_ATTEMPTS = 20; |
| private static final int RESET_HIGHLIGHT_DELAY_MS = 500; |
| |
| private static final String TAG = "FingerprintSettings"; |
| private static final String KEY_FINGERPRINT_ITEM_PREFIX = "key_fingerprint_item"; |
| private static final String KEY_FINGERPRINT_ADD = "key_fingerprint_add"; |
| private static final String KEY_FINGERPRINT_ENABLE_KEYGUARD_TOGGLE = |
| "fingerprint_enable_keyguard_toggle"; |
| private static final String KEY_LAUNCHED_CONFIRM = "launched_confirm"; |
| |
| private static final int MSG_REFRESH_FINGERPRINT_TEMPLATES = 1000; |
| private static final int MSG_FINGER_AUTH_SUCCESS = 1001; |
| private static final int MSG_FINGER_AUTH_FAIL = 1002; |
| private static final int MSG_FINGER_AUTH_ERROR = 1003; |
| private static final int MSG_FINGER_AUTH_HELP = 1004; |
| |
| private static final int CONFIRM_REQUEST = 101; |
| private static final int CHOOSE_LOCK_GENERIC_REQUEST = 102; |
| |
| private static final int ADD_FINGERPRINT_REQUEST = 10; |
| |
| protected static final boolean DEBUG = true; |
| |
| private FingerprintManager mFingerprintManager; |
| private CancellationSignal mFingerprintCancel; |
| private boolean mInFingerprintLockout; |
| private byte[] mToken; |
| private boolean mLaunchedConfirm; |
| private Drawable mHighlightDrawable; |
| |
| private AuthenticationCallback mAuthCallback = new AuthenticationCallback() { |
| @Override |
| public void onAuthenticationSucceeded(AuthenticationResult result) { |
| int fingerId = result.getFingerprint().getFingerId(); |
| mHandler.obtainMessage(MSG_FINGER_AUTH_SUCCESS, fingerId, 0).sendToTarget(); |
| } |
| |
| @Override |
| public void onAuthenticationFailed() { |
| mHandler.obtainMessage(MSG_FINGER_AUTH_FAIL).sendToTarget(); |
| }; |
| |
| @Override |
| public void onAuthenticationError(int errMsgId, CharSequence errString) { |
| mHandler.obtainMessage(MSG_FINGER_AUTH_ERROR, errMsgId, 0, errString) |
| .sendToTarget(); |
| } |
| |
| @Override |
| public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) { |
| mHandler.obtainMessage(MSG_FINGER_AUTH_HELP, helpMsgId, 0, helpString) |
| .sendToTarget(); |
| } |
| }; |
| private RemovalCallback mRemoveCallback = new RemovalCallback() { |
| |
| @Override |
| public void onRemovalSucceeded(Fingerprint fingerprint) { |
| mHandler.obtainMessage(MSG_REFRESH_FINGERPRINT_TEMPLATES, |
| fingerprint.getFingerId(), 0).sendToTarget(); |
| } |
| |
| @Override |
| public void onRemovalError(Fingerprint fp, int errMsgId, CharSequence errString) { |
| final Activity activity = getActivity(); |
| if (activity != null) { |
| Toast.makeText(activity, errString, Toast.LENGTH_SHORT); |
| } |
| } |
| }; |
| private final Handler mHandler = new Handler() { |
| @Override |
| public void handleMessage(android.os.Message msg) { |
| switch (msg.what) { |
| case MSG_REFRESH_FINGERPRINT_TEMPLATES: |
| removeFingerprintPreference(msg.arg1); |
| updateAddPreference(); |
| break; |
| case MSG_FINGER_AUTH_SUCCESS: |
| mFingerprintCancel = null; |
| highlightFingerprintItem(msg.arg1); |
| retryFingerprint(); |
| break; |
| case MSG_FINGER_AUTH_FAIL: |
| // No action required... fingerprint will allow up to 5 of these |
| break; |
| case MSG_FINGER_AUTH_ERROR: |
| handleError(msg.arg1 /* errMsgId */, (CharSequence) msg.obj /* errStr */ ); |
| break; |
| case MSG_FINGER_AUTH_HELP: { |
| // Not used |
| } |
| break; |
| } |
| }; |
| }; |
| |
| private void stopFingerprint() { |
| if (mFingerprintCancel != null && !mFingerprintCancel.isCanceled()) { |
| mFingerprintCancel.cancel(); |
| } |
| mFingerprintCancel = null; |
| } |
| |
| /** |
| * @param errMsgId |
| */ |
| protected void handleError(int errMsgId, CharSequence msg) { |
| mFingerprintCancel = null; |
| switch (errMsgId) { |
| case FingerprintManager.FINGERPRINT_ERROR_CANCELED: |
| return; // Only happens if we get preempted by another activity. Ignored. |
| case FingerprintManager.FINGERPRINT_ERROR_LOCKOUT: |
| mInFingerprintLockout = true; |
| // We've been locked out. Reset after 30s. |
| if (!mHandler.hasCallbacks(mFingerprintLockoutReset)) { |
| mHandler.postDelayed(mFingerprintLockoutReset, |
| LOCKOUT_DURATION); |
| } |
| // Fall through to show message |
| default: |
| // Activity can be null on a screen rotation. |
| final Activity activity = getActivity(); |
| if (activity != null) { |
| Toast.makeText(activity, msg , Toast.LENGTH_SHORT); |
| } |
| break; |
| } |
| retryFingerprint(); // start again |
| } |
| |
| private void retryFingerprint() { |
| if (!mInFingerprintLockout) { |
| mFingerprintCancel = new CancellationSignal(); |
| mFingerprintManager.authenticate(null, mFingerprintCancel, 0 /* flags */, |
| mAuthCallback, null); |
| } |
| } |
| |
| @Override |
| protected int getMetricsCategory() { |
| return MetricsLogger.FINGERPRINT; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| if (savedInstanceState != null) { |
| mToken = savedInstanceState.getByteArray( |
| ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN); |
| mLaunchedConfirm = savedInstanceState.getBoolean( |
| KEY_LAUNCHED_CONFIRM, false); |
| } |
| |
| Activity activity = getActivity(); |
| mFingerprintManager = (FingerprintManager) activity.getSystemService( |
| Context.FINGERPRINT_SERVICE); |
| |
| // Need to authenticate a session token if none |
| if (mToken == null && mLaunchedConfirm == false) { |
| mLaunchedConfirm = true; |
| launchChooseOrConfirmLock(); |
| } |
| } |
| |
| @Override |
| public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { |
| super.onViewCreated(view, savedInstanceState); |
| TextView v = (TextView) LayoutInflater.from(view.getContext()).inflate( |
| R.layout.fingerprint_settings_footer, null); |
| v.setText(LearnMoreSpan.linkify(getText(isFingerprintDisabled() |
| ? R.string.security_settings_fingerprint_enroll_disclaimer_lockscreen_disabled |
| : R.string.security_settings_fingerprint_enroll_disclaimer), |
| getString(getHelpResource()))); |
| v.setMovementMethod(new LinkMovementMethod()); |
| getListView().addFooterView(v); |
| getListView().setFooterDividersEnabled(false); |
| } |
| |
| private boolean isFingerprintDisabled() { |
| final DevicePolicyManager dpm = |
| (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE); |
| return dpm != null && (dpm.getKeyguardDisabledFeatures(null) |
| & DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT) != 0; |
| } |
| |
| protected void removeFingerprintPreference(int fingerprintId) { |
| String name = genKey(fingerprintId); |
| Preference prefToRemove = findPreference(name); |
| if (prefToRemove != null) { |
| if (!getPreferenceScreen().removePreference(prefToRemove)) { |
| Log.w(TAG, "Failed to remove preference with key " + name); |
| } |
| } else { |
| Log.w(TAG, "Can't find preference to remove: " + name); |
| } |
| } |
| |
| /** |
| * Important! |
| * |
| * Don't forget to update the SecuritySearchIndexProvider if you are doing any change in the |
| * logic or adding/removing preferences here. |
| */ |
| private PreferenceScreen createPreferenceHierarchy() { |
| PreferenceScreen root = getPreferenceScreen(); |
| if (root != null) { |
| root.removeAll(); |
| } |
| addPreferencesFromResource(R.xml.security_settings_fingerprint); |
| root = getPreferenceScreen(); |
| addFingerprintItemPreferences(root); |
| return root; |
| } |
| |
| private void addFingerprintItemPreferences(PreferenceGroup root) { |
| root.removeAll(); |
| final List<Fingerprint> items = mFingerprintManager.getEnrolledFingerprints(); |
| final int fingerprintCount = items.size(); |
| for (int i = 0; i < fingerprintCount; i++) { |
| final Fingerprint item = items.get(i); |
| FingerprintPreference pref = new FingerprintPreference(root.getContext()); |
| pref.setKey(genKey(item.getFingerId())); |
| pref.setTitle(item.getName()); |
| pref.setFingerprint(item); |
| pref.setPersistent(false); |
| root.addPreference(pref); |
| pref.setOnPreferenceChangeListener(this); |
| } |
| Preference addPreference = new Preference(root.getContext()); |
| addPreference.setKey(KEY_FINGERPRINT_ADD); |
| addPreference.setTitle(R.string.fingerprint_add_title); |
| addPreference.setIcon(R.drawable.ic_add_24dp); |
| root.addPreference(addPreference); |
| addPreference.setOnPreferenceChangeListener(this); |
| updateAddPreference(); |
| } |
| |
| private void updateAddPreference() { |
| /* Disable preference if too many fingerprints added */ |
| final int max = getContext().getResources().getInteger( |
| com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser); |
| boolean tooMany = mFingerprintManager.getEnrolledFingerprints().size() >= max; |
| CharSequence maxSummary = tooMany ? |
| getContext().getString(R.string.fingerprint_add_max, max) : ""; |
| Preference addPreference = findPreference(KEY_FINGERPRINT_ADD); |
| addPreference.setSummary(maxSummary); |
| addPreference.setEnabled(!tooMany); |
| } |
| |
| private static String genKey(int id) { |
| return KEY_FINGERPRINT_ITEM_PREFIX + "_" + id; |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| // Make sure we reload the preference hierarchy since fingerprints may be added, |
| // deleted or renamed. |
| updatePreferences(); |
| } |
| |
| private void updatePreferences() { |
| createPreferenceHierarchy(); |
| retryFingerprint(); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| stopFingerprint(); |
| } |
| |
| @Override |
| public void onSaveInstanceState(final Bundle outState) { |
| outState.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, |
| mToken); |
| outState.putBoolean(KEY_LAUNCHED_CONFIRM, mLaunchedConfirm); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference pref) { |
| final String key = pref.getKey(); |
| if (KEY_FINGERPRINT_ADD.equals(key)) { |
| Intent intent = new Intent(); |
| intent.setClassName("com.android.settings", |
| FingerprintEnrollEnrolling.class.getName()); |
| intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken); |
| startActivityForResult(intent, ADD_FINGERPRINT_REQUEST); |
| } else if (pref instanceof FingerprintPreference) { |
| FingerprintPreference fpref = (FingerprintPreference) pref; |
| final Fingerprint fp =fpref.getFingerprint(); |
| showRenameDeleteDialog(fp); |
| return super.onPreferenceTreeClick(preferenceScreen, pref); |
| } |
| return true; |
| } |
| |
| private void showRenameDeleteDialog(final Fingerprint fp) { |
| RenameDeleteDialog renameDeleteDialog = new RenameDeleteDialog(getContext()); |
| Bundle args = new Bundle(); |
| args.putParcelable("fingerprint", fp); |
| renameDeleteDialog.setArguments(args); |
| renameDeleteDialog.setTargetFragment(this, 0); |
| renameDeleteDialog.show(getFragmentManager(), RenameDeleteDialog.class.getName()); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object value) { |
| boolean result = true; |
| final String key = preference.getKey(); |
| if (KEY_FINGERPRINT_ENABLE_KEYGUARD_TOGGLE.equals(key)) { |
| // TODO |
| } else { |
| Log.v(TAG, "Unknown key:" + key); |
| } |
| return result; |
| } |
| |
| @Override |
| protected int getHelpResource() { |
| return R.string.help_url_fingerprint; |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| super.onActivityResult(requestCode, resultCode, data); |
| if (requestCode == CHOOSE_LOCK_GENERIC_REQUEST |
| || requestCode == CONFIRM_REQUEST) { |
| if (resultCode == RESULT_FINISHED || resultCode == RESULT_OK) { |
| // The lock pin/pattern/password was set. Start enrolling! |
| if (data != null) { |
| mToken = data.getByteArrayExtra( |
| ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN); |
| } |
| } |
| } |
| |
| if (mToken == null) { |
| // Didn't get an authentication, finishing |
| getActivity().finish(); |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| if (getActivity().isFinishing()) { |
| int result = mFingerprintManager.postEnroll(); |
| if (result < 0) { |
| Log.w(TAG, "postEnroll failed: result = " + result); |
| } |
| } |
| } |
| |
| private Drawable getHighlightDrawable() { |
| if (mHighlightDrawable == null) { |
| final Activity activity = getActivity(); |
| if (activity != null) { |
| mHighlightDrawable = activity.getDrawable(R.drawable.preference_highlight); |
| } |
| } |
| return mHighlightDrawable; |
| } |
| |
| private void highlightFingerprintItem(int fpId) { |
| String prefName = genKey(fpId); |
| FingerprintPreference fpref = (FingerprintPreference) findPreference(prefName); |
| final Drawable highlight = getHighlightDrawable(); |
| if (highlight != null) { |
| final View view = fpref.getView(); |
| final int centerX = view.getWidth() / 2; |
| final int centerY = view.getHeight() / 2; |
| highlight.setHotspot(centerX, centerY); |
| view.setBackground(highlight); |
| view.setPressed(true); |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| view.setPressed(false); |
| view.setBackground(null); |
| } |
| }, RESET_HIGHLIGHT_DELAY_MS); |
| } |
| } |
| |
| private void launchChooseOrConfirmLock() { |
| Intent intent = new Intent(); |
| long challenge = mFingerprintManager.preEnroll(); |
| ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(getActivity(), this); |
| if (!helper.launchConfirmationActivity(CONFIRM_REQUEST, |
| getString(R.string.security_settings_fingerprint_preference_title), |
| null, null, challenge)) { |
| intent.setClassName("com.android.settings", ChooseLockGeneric.class.getName()); |
| intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.MINIMUM_QUALITY_KEY, |
| DevicePolicyManager.PASSWORD_QUALITY_SOMETHING); |
| intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.HIDE_DISABLED_PREFS, |
| true); |
| intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, true); |
| intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, challenge); |
| startActivityForResult(intent, CHOOSE_LOCK_GENERIC_REQUEST); |
| } |
| } |
| |
| private void deleteFingerPrint(Fingerprint fingerPrint) { |
| mFingerprintManager.remove(fingerPrint, mRemoveCallback); |
| } |
| |
| private void renameFingerPrint(int fingerId, String newName) { |
| mFingerprintManager.rename(fingerId, newName); |
| updatePreferences(); |
| } |
| |
| private final Runnable mFingerprintLockoutReset = new Runnable() { |
| @Override |
| public void run() { |
| mInFingerprintLockout = false; |
| retryFingerprint(); |
| } |
| }; |
| |
| public static class RenameDeleteDialog extends DialogFragment { |
| |
| private final Context mContext; |
| private Fingerprint mFp; |
| private EditText mDialogTextField; |
| private String mFingerName; |
| private Boolean mTextHadFocus; |
| private int mTextSelectionStart; |
| private int mTextSelectionEnd; |
| |
| public RenameDeleteDialog(Context context) { |
| mContext = context; |
| } |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| mFp = getArguments().getParcelable("fingerprint"); |
| if (savedInstanceState != null) { |
| mFingerName = savedInstanceState.getString("fingerName"); |
| mTextHadFocus = savedInstanceState.getBoolean("textHadFocus"); |
| mTextSelectionStart = savedInstanceState.getInt("startSelection"); |
| mTextSelectionEnd = savedInstanceState.getInt("endSelection"); |
| } |
| final AlertDialog alertDialog = new AlertDialog.Builder(getActivity()) |
| .setView(R.layout.fingerprint_rename_dialog) |
| .setPositiveButton(R.string.security_settings_fingerprint_enroll_dialog_ok, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| final String newName = |
| mDialogTextField.getText().toString(); |
| final CharSequence name = mFp.getName(); |
| if (!newName.equals(name)) { |
| if (DEBUG) { |
| Log.v(TAG, "rename " + name + " to " + newName); |
| } |
| MetricsLogger.action(mContext, |
| MetricsLogger.ACTION_FINGERPRINT_RENAME, |
| mFp.getFingerId()); |
| FingerprintSettingsFragment parent |
| = (FingerprintSettingsFragment) |
| getTargetFragment(); |
| parent.renameFingerPrint(mFp.getFingerId(), |
| newName); |
| } |
| dialog.dismiss(); |
| } |
| }) |
| .setNegativeButton( |
| R.string.security_settings_fingerprint_enroll_dialog_delete, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| onDeleteClick(dialog); |
| } |
| }) |
| .create(); |
| alertDialog.setOnShowListener(new DialogInterface.OnShowListener() { |
| @Override |
| public void onShow(DialogInterface dialog) { |
| mDialogTextField = (EditText) alertDialog.findViewById( |
| R.id.fingerprint_rename_field); |
| CharSequence name = mFingerName == null ? mFp.getName() : mFingerName; |
| mDialogTextField.setText(name); |
| if (mTextHadFocus == null) { |
| mDialogTextField.selectAll(); |
| } else { |
| mDialogTextField.setSelection(mTextSelectionStart, mTextSelectionEnd); |
| } |
| } |
| }); |
| if (mTextHadFocus == null || mTextHadFocus) { |
| // Request the IME |
| alertDialog.getWindow().setSoftInputMode( |
| WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); |
| } |
| return alertDialog; |
| } |
| |
| private void onDeleteClick(DialogInterface dialog) { |
| if (DEBUG) Log.v(TAG, "Removing fpId=" + mFp.getFingerId()); |
| MetricsLogger.action(mContext, MetricsLogger.ACTION_FINGERPRINT_DELETE, |
| mFp.getFingerId()); |
| FingerprintSettingsFragment parent |
| = (FingerprintSettingsFragment) getTargetFragment(); |
| if (parent.mFingerprintManager.getEnrolledFingerprints().size() > 1) { |
| parent.deleteFingerPrint(mFp); |
| } else { |
| ConfirmLastDeleteDialog lastDeleteDialog = new ConfirmLastDeleteDialog(); |
| Bundle args = new Bundle(); |
| args.putParcelable("fingerprint", mFp); |
| lastDeleteDialog.setArguments(args); |
| lastDeleteDialog.setTargetFragment(getTargetFragment(), 0); |
| lastDeleteDialog.show(getFragmentManager(), |
| ConfirmLastDeleteDialog.class.getName()); |
| } |
| dialog.dismiss(); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| if (mDialogTextField != null) { |
| outState.putString("fingerName", mDialogTextField.getText().toString()); |
| outState.putBoolean("textHadFocus", mDialogTextField.hasFocus()); |
| outState.putInt("startSelection", mDialogTextField.getSelectionStart()); |
| outState.putInt("endSelection", mDialogTextField.getSelectionEnd()); |
| } |
| } |
| } |
| |
| public static class ConfirmLastDeleteDialog extends DialogFragment { |
| |
| private Fingerprint mFp; |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| mFp = getArguments().getParcelable("fingerprint"); |
| final AlertDialog alertDialog = new AlertDialog.Builder(getActivity()) |
| .setTitle(R.string.fingerprint_last_delete_title) |
| .setMessage(R.string.fingerprint_last_delete_message) |
| .setPositiveButton(R.string.fingerprint_last_delete_confirm, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| FingerprintSettingsFragment parent |
| = (FingerprintSettingsFragment) getTargetFragment(); |
| parent.deleteFingerPrint(mFp); |
| dialog.dismiss(); |
| } |
| }) |
| .setNegativeButton( |
| R.string.cancel, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| dialog.dismiss(); |
| } |
| }) |
| .create(); |
| return alertDialog; |
| } |
| } |
| } |
| |
| public static class FingerprintPreference extends Preference { |
| private Fingerprint mFingerprint; |
| private View mView; |
| |
| public FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| public FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public FingerprintPreference(Context context, AttributeSet attrs) { |
| this(context, attrs, com.android.internal.R.attr.preferenceStyle); |
| } |
| |
| public FingerprintPreference(Context context) { |
| this(context, null); |
| } |
| |
| public View getView() { return mView; } |
| |
| public void setFingerprint(Fingerprint item) { |
| mFingerprint = item; |
| } |
| |
| public Fingerprint getFingerprint() { |
| return mFingerprint; |
| } |
| |
| @Override |
| protected void onBindView(View view) { |
| super.onBindView(view); |
| mView = view; |
| } |
| }; |
| |
| private static class LearnMoreSpan extends URLSpan { |
| |
| private static final Typeface TYPEFACE_MEDIUM = |
| Typeface.create("sans-serif-medium", Typeface.NORMAL); |
| |
| private LearnMoreSpan(String url) { |
| super(url); |
| } |
| |
| @Override |
| public void onClick(View widget) { |
| Context ctx = widget.getContext(); |
| Intent intent = HelpUtils.getHelpIntent(ctx, getURL(), ctx.getClass().getName()); |
| try { |
| ((Activity) ctx).startActivityForResult(intent, 0); |
| } catch (ActivityNotFoundException e) { |
| Log.w(FingerprintSettingsFragment.TAG, |
| "Actvity was not found for intent, " + intent.toString()); |
| } |
| } |
| |
| @Override |
| public void updateDrawState(TextPaint ds) { |
| super.updateDrawState(ds); |
| ds.setUnderlineText(false); |
| ds.setTypeface(TYPEFACE_MEDIUM); |
| } |
| |
| public static CharSequence linkify(CharSequence rawText, String uri) { |
| SpannableString msg = new SpannableString(rawText); |
| Annotation[] spans = msg.getSpans(0, msg.length(), Annotation.class); |
| SpannableStringBuilder builder = new SpannableStringBuilder(msg); |
| for (Annotation annotation : spans) { |
| int start = msg.getSpanStart(annotation); |
| int end = msg.getSpanEnd(annotation); |
| LearnMoreSpan link = new LearnMoreSpan(uri); |
| builder.setSpan(link, start, end, msg.getSpanFlags(link)); |
| } |
| return builder; |
| } |
| } |
| } |
