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.annotation.VisibleForTesting; 22import android.support.v7.preference.EditTextPreference; 23import android.support.v7.preference.Preference; 24import android.support.v7.preference.PreferenceScreen; 25 26import com.android.settings.widget.ValidatedEditTextPreference; 27import com.android.settings.wifi.WifiUtils; 28 29public class WifiTetherSSIDPreferenceController extends WifiTetherBasePreferenceController 30 implements ValidatedEditTextPreference.Validator { 31 32 private static final String PREF_KEY = "wifi_tether_network_name"; 33 @VisibleForTesting 34 static final String DEFAULT_SSID = "AndroidAP"; 35 36 private String mSSID; 37 38 public WifiTetherSSIDPreferenceController(Context context, 39 OnTetherConfigUpdateListener listener) { 40 super(context, listener); 41 } 42 43 @Override 44 public String getPreferenceKey() { 45 return PREF_KEY; 46 } 47 48 @Override 49 public void displayPreference(PreferenceScreen screen) { 50 super.displayPreference(screen); 51 final WifiConfiguration config = mWifiManager.getWifiApConfiguration(); 52 if (config != null) { 53 mSSID = config.SSID; 54 } else { 55 mSSID = DEFAULT_SSID; 56 } 57 ((ValidatedEditTextPreference) mPreference).setValidator(this); 58 updateSsidDisplay((EditTextPreference) mPreference); 59 } 60 61 @Override 62 public boolean onPreferenceChange(Preference preference, Object newValue) { 63 mSSID = (String) newValue; 64 updateSsidDisplay((EditTextPreference) preference); 65 mListener.onTetherConfigUpdated(); 66 return true; 67 } 68 69 @Override 70 public boolean isTextValid(String value) { 71 return !WifiUtils.isSSIDTooLong(value) && !WifiUtils.isSSIDTooShort(value); 72 } 73 74 public String getSSID() { 75 return mSSID; 76 } 77 78 private void updateSsidDisplay(EditTextPreference preference) { 79 preference.setText(mSSID); 80 preference.setSummary(mSSID); 81 } 82} 83