Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | |
| 17 | package com.android.settings; |
| 18 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 19 | import com.android.settings.wifi.WifiApEnabler; |
| 20 | |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 21 | import android.app.AlertDialog; |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 22 | import android.app.Dialog; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 23 | import android.os.Bundle; |
| 24 | import android.os.SystemProperties; |
| 25 | import android.content.BroadcastReceiver; |
| 26 | import android.content.Context; |
| 27 | import android.content.Intent; |
| 28 | import android.content.IntentFilter; |
Robert Greenwalt | 4c3b2f0 | 2010-04-19 12:22:48 -0700 | [diff] [blame] | 29 | import android.content.res.AssetManager; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 30 | import android.net.ConnectivityManager; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame] | 31 | import android.os.Environment; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 32 | import android.preference.CheckBoxPreference; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 33 | import android.preference.Preference; |
| 34 | import android.preference.PreferenceActivity; |
| 35 | import android.preference.PreferenceScreen; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 36 | import android.provider.Settings; |
| 37 | import android.util.Log; |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 38 | import android.webkit.WebView; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 39 | |
Robert Greenwalt | 4c3b2f0 | 2010-04-19 12:22:48 -0700 | [diff] [blame] | 40 | import java.io.InputStream; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 41 | import java.util.ArrayList; |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 42 | import java.util.Locale; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 43 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 44 | /* |
| 45 | * Displays preferences for Tethering. |
| 46 | */ |
| 47 | public class TetherSettings extends PreferenceActivity { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 48 | private static final String USB_TETHER_SETTINGS = "usb_tether_settings"; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 49 | private static final String ENABLE_WIFI_AP = "enable_wifi_ap"; |
| 50 | private static final String WIFI_AP_SETTINGS = "wifi_ap_settings"; |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 51 | private static final String TETHERING_HELP = "tethering_help"; |
Robert Greenwalt | 38925c0 | 2010-03-18 15:31:48 -0700 | [diff] [blame] | 52 | private static final String USB_HELP_MODIFIER = "usb_"; |
| 53 | private static final String WIFI_HELP_MODIFIER = "wifi_"; |
Robert Greenwalt | 4c3b2f0 | 2010-04-19 12:22:48 -0700 | [diff] [blame] | 54 | private static final String HELP_URL = "file:///android_asset/html/%y%z/tethering_%xhelp.html"; |
| 55 | private static final String HELP_PATH = "html/%y%z/tethering_help.html"; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 56 | |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 57 | private static final int DIALOG_TETHER_HELP = 1; |
| 58 | |
| 59 | private WebView mView; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 60 | private CheckBoxPreference mUsbTether; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 61 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 62 | private CheckBoxPreference mEnableWifiAp; |
| 63 | private PreferenceScreen mWifiApSettings; |
| 64 | private WifiApEnabler mWifiApEnabler; |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 65 | private PreferenceScreen mTetherHelp; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 66 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 67 | private BroadcastReceiver mTetherChangeReceiver; |
| 68 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 69 | private String[] mUsbRegexs; |
| 70 | private ArrayList mUsbIfaces; |
| 71 | |
| 72 | private String[] mWifiRegexs; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 73 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 74 | @Override |
| 75 | protected void onCreate(Bundle icicle) { |
| 76 | super.onCreate(icicle); |
| 77 | |
| 78 | addPreferencesFromResource(R.xml.tether_prefs); |
| 79 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 80 | mEnableWifiAp = (CheckBoxPreference) findPreference(ENABLE_WIFI_AP); |
| 81 | mWifiApSettings = (PreferenceScreen) findPreference(WIFI_AP_SETTINGS); |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 82 | mUsbTether = (CheckBoxPreference) findPreference(USB_TETHER_SETTINGS); |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 83 | mTetherHelp = (PreferenceScreen) findPreference(TETHERING_HELP); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 84 | |
| 85 | ConnectivityManager cm = |
| 86 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
Irfan Sheriff | 47ebb78 | 2010-03-10 08:27:15 -0800 | [diff] [blame] | 87 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 88 | mUsbRegexs = cm.getTetherableUsbRegexs(); |
| 89 | if (mUsbRegexs.length == 0) { |
| 90 | getPreferenceScreen().removePreference(mUsbTether); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 91 | } |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 92 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 93 | mWifiRegexs = cm.getTetherableWifiRegexs(); |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 94 | if (mWifiRegexs.length == 0) { |
| 95 | getPreferenceScreen().removePreference(mEnableWifiAp); |
| 96 | getPreferenceScreen().removePreference(mWifiApSettings); |
| 97 | } |
| 98 | mWifiApEnabler = new WifiApEnabler(this, mEnableWifiAp); |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 99 | mView = new WebView(this); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 100 | } |
| 101 | |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 102 | @Override |
| 103 | protected Dialog onCreateDialog(int id) { |
| 104 | if (id == DIALOG_TETHER_HELP) { |
| 105 | Locale locale = Locale.getDefault(); |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 106 | |
Robert Greenwalt | 4c3b2f0 | 2010-04-19 12:22:48 -0700 | [diff] [blame] | 107 | // check for the full language + country resource, if not there, try just language |
| 108 | AssetManager am = getAssets(); |
| 109 | String path = HELP_PATH.replace("%y", locale.getLanguage().toLowerCase()); |
| 110 | path = path.replace("%z", "_"+locale.getCountry().toLowerCase()); |
| 111 | boolean useCountry = true; |
| 112 | InputStream is = null; |
| 113 | try { |
| 114 | is = am.open(path); |
| 115 | } catch (Exception e) { |
| 116 | useCountry = false; |
| 117 | } finally { |
| 118 | if (is != null) { |
| 119 | try { |
| 120 | is.close(); |
| 121 | } catch (Exception e) {} |
| 122 | } |
| 123 | } |
| 124 | String url = HELP_URL.replace("%y", locale.getLanguage().toLowerCase()); |
| 125 | url = url.replace("%z", (useCountry ? "_"+locale.getCountry().toLowerCase() : "")); |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 126 | if ((mUsbRegexs.length != 0) && (mWifiRegexs.length == 0)) { |
| 127 | url = url.replace("%x", USB_HELP_MODIFIER); |
| 128 | } else if ((mWifiRegexs.length != 0) && (mUsbRegexs.length == 0)) { |
| 129 | url = url.replace("%x", WIFI_HELP_MODIFIER); |
| 130 | } else { |
| 131 | // could assert that both wifi and usb have regexs, but the default |
| 132 | // is to use this anyway so no check is needed |
| 133 | url = url.replace("%x", ""); |
| 134 | } |
Robert Greenwalt | 4c3b2f0 | 2010-04-19 12:22:48 -0700 | [diff] [blame] | 135 | |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 136 | mView.loadUrl(url); |
| 137 | |
| 138 | return new AlertDialog.Builder(this) |
| 139 | .setCancelable(true) |
| 140 | .setTitle(R.string.tethering_help_button_text) |
| 141 | .setView(mView) |
| 142 | .create(); |
| 143 | } |
| 144 | return null; |
| 145 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 146 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 147 | private class TetherChangeReceiver extends BroadcastReceiver { |
| 148 | public void onReceive(Context content, Intent intent) { |
Robert Greenwalt | a248876 | 2010-03-10 16:57:08 -0800 | [diff] [blame] | 149 | if (intent.getAction().equals(ConnectivityManager.ACTION_TETHER_STATE_CHANGED)) { |
| 150 | // TODO - this should understand the interface types |
| 151 | ArrayList<String> available = intent.getStringArrayListExtra( |
| 152 | ConnectivityManager.EXTRA_AVAILABLE_TETHER); |
| 153 | ArrayList<String> active = intent.getStringArrayListExtra( |
| 154 | ConnectivityManager.EXTRA_ACTIVE_TETHER); |
| 155 | ArrayList<String> errored = intent.getStringArrayListExtra( |
| 156 | ConnectivityManager.EXTRA_ERRORED_TETHER); |
| 157 | updateState(available.toArray(), active.toArray(), errored.toArray()); |
| 158 | } else if (intent.getAction().equals(Intent.ACTION_MEDIA_SHARED) || |
| 159 | intent.getAction().equals(Intent.ACTION_MEDIA_UNSHARED)) { |
| 160 | updateState(); |
| 161 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 162 | } |
| 163 | } |
| 164 | |
| 165 | @Override |
| 166 | protected void onResume() { |
| 167 | super.onResume(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 168 | |
| 169 | IntentFilter filter = new IntentFilter(ConnectivityManager.ACTION_TETHER_STATE_CHANGED); |
| 170 | mTetherChangeReceiver = new TetherChangeReceiver(); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 171 | Intent intent = registerReceiver(mTetherChangeReceiver, filter); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 172 | |
Robert Greenwalt | f0ed2f3 | 2010-03-12 10:28:35 -0800 | [diff] [blame] | 173 | filter = new IntentFilter(); |
| 174 | filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| 175 | filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
| 176 | filter.addDataScheme("file"); |
| 177 | registerReceiver(mTetherChangeReceiver, filter); |
| 178 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 179 | if (intent != null) mTetherChangeReceiver.onReceive(this, intent); |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 180 | mWifiApEnabler.resume(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | @Override |
| 184 | protected void onPause() { |
| 185 | super.onPause(); |
| 186 | unregisterReceiver(mTetherChangeReceiver); |
| 187 | mTetherChangeReceiver = null; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 188 | mWifiApEnabler.pause(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 189 | } |
| 190 | |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 191 | private void updateState() { |
| 192 | ConnectivityManager cm = |
| 193 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 194 | |
| 195 | String[] available = cm.getTetherableIfaces(); |
| 196 | String[] tethered = cm.getTetheredIfaces(); |
| 197 | String[] errored = cm.getTetheringErroredIfaces(); |
| 198 | updateState(available, tethered, errored); |
| 199 | } |
| 200 | |
| 201 | private void updateState(Object[] available, Object[] tethered, |
| 202 | Object[] errored) { |
| 203 | ConnectivityManager cm = |
| 204 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 205 | boolean usbTethered = false; |
| 206 | boolean usbAvailable = false; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 207 | int usbError = ConnectivityManager.TETHER_ERROR_NO_ERROR; |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 208 | boolean usbErrored = false; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame] | 209 | boolean massStorageActive = |
| 210 | Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState()); |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 211 | for (Object o : available) { |
| 212 | String s = (String)o; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 213 | for (String regex : mUsbRegexs) { |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 214 | if (s.matches(regex)) { |
| 215 | usbAvailable = true; |
| 216 | if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 217 | usbError = cm.getLastTetherError(s); |
| 218 | } |
| 219 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 220 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 221 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 222 | for (Object o : tethered) { |
| 223 | String s = (String)o; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 224 | for (String regex : mUsbRegexs) { |
| 225 | if (s.matches(regex)) usbTethered = true; |
| 226 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 227 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 228 | for (Object o: errored) { |
| 229 | String s = (String)o; |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 230 | for (String regex : mUsbRegexs) { |
| 231 | if (s.matches(regex)) usbErrored = true; |
| 232 | } |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 233 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 234 | |
| 235 | if (usbTethered) { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 236 | mUsbTether.setSummary(R.string.usb_tethering_active_subtext); |
| 237 | mUsbTether.setEnabled(true); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 238 | mUsbTether.setChecked(true); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 239 | } else if (usbAvailable) { |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 240 | if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 241 | mUsbTether.setSummary(R.string.usb_tethering_available_subtext); |
| 242 | } else { |
| 243 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 244 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 245 | mUsbTether.setEnabled(true); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 246 | mUsbTether.setChecked(false); |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 247 | } else if (usbErrored) { |
| 248 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 249 | mUsbTether.setEnabled(false); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 250 | mUsbTether.setChecked(false); |
Robert Greenwalt | a248876 | 2010-03-10 16:57:08 -0800 | [diff] [blame] | 251 | } else if (massStorageActive) { |
| 252 | mUsbTether.setSummary(R.string.usb_tethering_storage_active_subtext); |
| 253 | mUsbTether.setEnabled(false); |
| 254 | mUsbTether.setChecked(false); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 255 | } else { |
| 256 | mUsbTether.setSummary(R.string.usb_tethering_unavailable_subtext); |
| 257 | mUsbTether.setEnabled(false); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 258 | mUsbTether.setChecked(false); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 259 | } |
| 260 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 261 | |
| 262 | @Override |
| 263 | public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { |
| 264 | if (preference == mUsbTether) { |
| 265 | boolean newState = mUsbTether.isChecked(); |
| 266 | |
| 267 | ConnectivityManager cm = |
| 268 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 269 | |
| 270 | if (newState) { |
| 271 | String[] available = cm.getTetherableIfaces(); |
| 272 | |
| 273 | String usbIface = findIface(available, mUsbRegexs); |
| 274 | if (usbIface == null) { |
| 275 | updateState(); |
| 276 | return true; |
| 277 | } |
| 278 | if (cm.tether(usbIface) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 279 | mUsbTether.setChecked(false); |
| 280 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 281 | return true; |
| 282 | } |
| 283 | mUsbTether.setSummary(""); |
| 284 | } else { |
| 285 | String [] tethered = cm.getTetheredIfaces(); |
| 286 | |
| 287 | String usbIface = findIface(tethered, mUsbRegexs); |
| 288 | if (usbIface == null) { |
| 289 | updateState(); |
| 290 | return true; |
| 291 | } |
| 292 | if (cm.untether(usbIface) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 293 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 294 | return true; |
| 295 | } |
| 296 | mUsbTether.setSummary(""); |
| 297 | } |
Robert Greenwalt | c3c93e5 | 2010-03-15 17:21:16 -0700 | [diff] [blame] | 298 | } else if (preference == mTetherHelp) { |
Robert Greenwalt | 38925c0 | 2010-03-18 15:31:48 -0700 | [diff] [blame] | 299 | |
Irfan Sheriff | 0b26696 | 2010-04-06 15:16:44 -0700 | [diff] [blame] | 300 | showDialog(DIALOG_TETHER_HELP); |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 301 | } |
| 302 | return false; |
| 303 | } |
| 304 | |
| 305 | private String findIface(String[] ifaces, String[] regexes) { |
| 306 | for (String iface : ifaces) { |
| 307 | for (String regex : regexes) { |
| 308 | if (iface.matches(regex)) { |
| 309 | return iface; |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | return null; |
| 314 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 315 | } |