1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.settings.wifi.tether; 18 19import android.content.Context; 20import android.net.wifi.WifiConfiguration; 21import android.support.v7.preference.EditTextPreference; 22import android.support.v7.preference.Preference; 23import android.support.v7.preference.PreferenceScreen; 24 25import com.android.settings.widget.ValidatedEditTextPreference; 26import com.android.settings.wifi.WifiUtils; 27 28public class WifiTetherPasswordPreferenceController extends WifiTetherBasePreferenceController 29 implements ValidatedEditTextPreference.Validator { 30 31 private static final String PREF_KEY = "wifi_tether_network_password"; 32 33 private String mPassword; 34 35 public WifiTetherPasswordPreferenceController(Context context, 36 OnTetherConfigUpdateListener listener) { 37 super(context, listener); 38 final WifiConfiguration config = mWifiManager.getWifiApConfiguration(); 39 if (config != null) { 40 mPassword = config.preSharedKey; 41 } 42 } 43 44 @Override 45 public String getPreferenceKey() { 46 return PREF_KEY; 47 } 48 49 @Override 50 public void displayPreference(PreferenceScreen screen) { 51 super.displayPreference(screen); 52 ((ValidatedEditTextPreference) mPreference).setValidator(this); 53 updatePasswordDisplay((EditTextPreference) mPreference); 54 } 55 56 @Override 57 public boolean onPreferenceChange(Preference preference, Object newValue) { 58 mPassword = (String) newValue; 59 updatePasswordDisplay((EditTextPreference) mPreference); 60 mListener.onTetherConfigUpdated(); 61 return true; 62 } 63 64 public String getPassword() { 65 return mPassword; 66 } 67 68 @Override 69 public boolean isTextValid(String value) { 70 return WifiUtils.isPasswordValid(value); 71 } 72 73 private void updatePasswordDisplay(EditTextPreference preference) { 74 preference.setText(mPassword); 75 preference.setSummary(mPassword); 76 } 77} 78