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