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      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.deviceinfo;
     18 
     19 import android.bluetooth.BluetoothAdapter;
     20 import android.content.BroadcastReceiver;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.IntentFilter;
     24 import android.content.res.Resources;
     25 import android.net.ConnectivityManager;
     26 import android.net.NetworkInfo;
     27 import android.net.wifi.WifiInfo;
     28 import android.net.wifi.WifiManager;
     29 import android.os.BatteryManager;
     30 import android.os.Build;
     31 import android.os.Bundle;
     32 import android.os.Handler;
     33 import android.os.Message;
     34 import android.os.SystemClock;
     35 import android.os.SystemProperties;
     36 import android.preference.Preference;
     37 import android.preference.PreferenceActivity;
     38 import android.preference.PreferenceScreen;
     39 import android.telephony.PhoneNumberUtils;
     40 import android.telephony.PhoneStateListener;
     41 import android.telephony.ServiceState;
     42 import android.telephony.TelephonyManager;
     43 import android.text.TextUtils;
     44 
     45 import com.android.internal.telephony.Phone;
     46 import com.android.internal.telephony.PhoneFactory;
     47 import com.android.internal.telephony.PhoneStateIntentReceiver;
     48 import com.android.internal.telephony.TelephonyProperties;
     49 import com.android.settings.R;
     50 import com.android.settings.Utils;
     51 
     52 import java.lang.ref.WeakReference;
     53 
     54 /**
     55  * Display the following information
     56  * # Phone Number
     57  * # Network
     58  * # Roaming
     59  * # Device Id (IMEI in GSM and MEID in CDMA)
     60  * # Network type
     61  * # Signal Strength
     62  * # Battery Strength  : TODO
     63  * # Uptime
     64  * # Awake Time
     65  * # XMPP/buzz/tickle status : TODO
     66  *
     67  */
     68 public class Status extends PreferenceActivity {
     69 
     70     private static final String KEY_DATA_STATE = "data_state";
     71     private static final String KEY_SERVICE_STATE = "service_state";
     72     private static final String KEY_OPERATOR_NAME = "operator_name";
     73     private static final String KEY_ROAMING_STATE = "roaming_state";
     74     private static final String KEY_NETWORK_TYPE = "network_type";
     75     private static final String KEY_PHONE_NUMBER = "number";
     76     private static final String KEY_IMEI_SV = "imei_sv";
     77     private static final String KEY_IMEI = "imei";
     78     private static final String KEY_PRL_VERSION = "prl_version";
     79     private static final String KEY_MIN_NUMBER = "min_number";
     80     private static final String KEY_MEID_NUMBER = "meid_number";
     81     private static final String KEY_SIGNAL_STRENGTH = "signal_strength";
     82     private static final String KEY_BATTERY_STATUS = "battery_status";
     83     private static final String KEY_BATTERY_LEVEL = "battery_level";
     84     private static final String KEY_IP_ADDRESS = "wifi_ip_address";
     85     private static final String KEY_WIFI_MAC_ADDRESS = "wifi_mac_address";
     86     private static final String KEY_BT_ADDRESS = "bt_address";
     87     private static final String KEY_SERIAL_NUMBER = "serial_number";
     88     private static final String KEY_ICC_ID = "icc_id";
     89     private static final String KEY_WIMAX_MAC_ADDRESS = "wimax_mac_address";
     90     private static final String[] PHONE_RELATED_ENTRIES = {
     91         KEY_DATA_STATE,
     92         KEY_SERVICE_STATE,
     93         KEY_OPERATOR_NAME,
     94         KEY_ROAMING_STATE,
     95         KEY_NETWORK_TYPE,
     96         KEY_PHONE_NUMBER,
     97         KEY_IMEI,
     98         KEY_IMEI_SV,
     99         KEY_PRL_VERSION,
    100         KEY_MIN_NUMBER,
    101         KEY_MEID_NUMBER,
    102         KEY_SIGNAL_STRENGTH,
    103         KEY_ICC_ID
    104     };
    105 
    106     private static final int EVENT_SIGNAL_STRENGTH_CHANGED = 200;
    107     private static final int EVENT_SERVICE_STATE_CHANGED = 300;
    108 
    109     private static final int EVENT_UPDATE_STATS = 500;
    110 
    111     private TelephonyManager mTelephonyManager;
    112     private Phone mPhone = null;
    113     private PhoneStateIntentReceiver mPhoneStateReceiver;
    114     private Resources mRes;
    115     private Preference mSignalStrength;
    116     private Preference mUptime;
    117 
    118     private static String sUnknown;
    119 
    120     private Preference mBatteryStatus;
    121     private Preference mBatteryLevel;
    122 
    123     private Handler mHandler;
    124 
    125     private static class MyHandler extends Handler {
    126         private WeakReference<Status> mStatus;
    127 
    128         public MyHandler(Status activity) {
    129             mStatus = new WeakReference<Status>(activity);
    130         }
    131 
    132         @Override
    133         public void handleMessage(Message msg) {
    134             Status status = mStatus.get();
    135             if (status == null) {
    136                 return;
    137             }
    138 
    139             switch (msg.what) {
    140                 case EVENT_SIGNAL_STRENGTH_CHANGED:
    141                     status.updateSignalStrength();
    142                     break;
    143 
    144                 case EVENT_SERVICE_STATE_CHANGED:
    145                     ServiceState serviceState = status.mPhoneStateReceiver.getServiceState();
    146                     status.updateServiceState(serviceState);
    147                     break;
    148 
    149                 case EVENT_UPDATE_STATS:
    150                     status.updateTimes();
    151                     sendEmptyMessageDelayed(EVENT_UPDATE_STATS, 1000);
    152                     break;
    153             }
    154         }
    155     }
    156 
    157     private BroadcastReceiver mBatteryInfoReceiver = new BroadcastReceiver() {
    158 
    159         @Override
    160         public void onReceive(Context context, Intent intent) {
    161             String action = intent.getAction();
    162             if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
    163                 mBatteryLevel.setSummary(Utils.getBatteryPercentage(intent));
    164                 mBatteryStatus.setSummary(Utils.getBatteryStatus(getResources(), intent));
    165             }
    166         }
    167     };
    168 
    169     private PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
    170         @Override
    171         public void onDataConnectionStateChanged(int state) {
    172             updateDataState();
    173             updateNetworkType();
    174         }
    175     };
    176 
    177     @Override
    178     protected void onCreate(Bundle icicle) {
    179         super.onCreate(icicle);
    180         Preference removablePref;
    181 
    182         mHandler = new MyHandler(this);
    183 
    184         mTelephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
    185 
    186         addPreferencesFromResource(R.xml.device_info_status);
    187         mBatteryLevel = findPreference(KEY_BATTERY_LEVEL);
    188         mBatteryStatus = findPreference(KEY_BATTERY_STATUS);
    189 
    190         mRes = getResources();
    191         if (sUnknown == null) {
    192             sUnknown = mRes.getString(R.string.device_info_default);
    193         }
    194 
    195         mPhone = PhoneFactory.getDefaultPhone();
    196         // Note - missing in zaku build, be careful later...
    197         mSignalStrength = findPreference(KEY_SIGNAL_STRENGTH);
    198         mUptime = findPreference("up_time");
    199 
    200         if (Utils.isWifiOnly(getApplicationContext())) {
    201             for (String key : PHONE_RELATED_ENTRIES) {
    202                 removePreferenceFromScreen(key);
    203             }
    204         } else {
    205             // NOTE "imei" is the "Device ID" since it represents
    206             //  the IMEI in GSM and the MEID in CDMA
    207             if (mPhone.getPhoneName().equals("CDMA")) {
    208                 setSummaryText(KEY_MEID_NUMBER, mPhone.getMeid());
    209                 setSummaryText(KEY_MIN_NUMBER, mPhone.getCdmaMin());
    210                 if (getResources().getBoolean(R.bool.config_msid_enable)) {
    211                     findPreference(KEY_MIN_NUMBER).setTitle(R.string.status_msid_number);
    212                 }
    213                 setSummaryText(KEY_PRL_VERSION, mPhone.getCdmaPrlVersion());
    214                 removePreferenceFromScreen(KEY_IMEI_SV);
    215 
    216                 if (mPhone.getLteOnCdmaMode() == Phone.LTE_ON_CDMA_TRUE) {
    217                     // Show ICC ID and IMEI for LTE device
    218                     setSummaryText(KEY_ICC_ID, mPhone.getIccSerialNumber());
    219                     setSummaryText(KEY_IMEI, mPhone.getImei());
    220                 } else {
    221                     // device is not GSM/UMTS, do not display GSM/UMTS features
    222                     // check Null in case no specified preference in overlay xml
    223                     removePreferenceFromScreen(KEY_IMEI);
    224                     removePreferenceFromScreen(KEY_ICC_ID);
    225                 }
    226             } else {
    227                 setSummaryText(KEY_IMEI, mPhone.getDeviceId());
    228 
    229                 setSummaryText(KEY_IMEI_SV,
    230                         ((TelephonyManager) getSystemService(TELEPHONY_SERVICE))
    231                             .getDeviceSoftwareVersion());
    232 
    233                 // device is not CDMA, do not display CDMA features
    234                 // check Null in case no specified preference in overlay xml
    235                 removePreferenceFromScreen(KEY_PRL_VERSION);
    236                 removePreferenceFromScreen(KEY_MEID_NUMBER);
    237                 removePreferenceFromScreen(KEY_MIN_NUMBER);
    238                 removePreferenceFromScreen(KEY_ICC_ID);
    239             }
    240 
    241             String rawNumber = mPhone.getLine1Number();  // may be null or empty
    242             String formattedNumber = null;
    243             if (!TextUtils.isEmpty(rawNumber)) {
    244                 formattedNumber = PhoneNumberUtils.formatNumber(rawNumber);
    245             }
    246             // If formattedNumber is null or empty, it'll display as "Unknown".
    247             setSummaryText(KEY_PHONE_NUMBER, formattedNumber);
    248 
    249             mPhoneStateReceiver = new PhoneStateIntentReceiver(this, mHandler);
    250             mPhoneStateReceiver.notifySignalStrength(EVENT_SIGNAL_STRENGTH_CHANGED);
    251             mPhoneStateReceiver.notifyServiceState(EVENT_SERVICE_STATE_CHANGED);
    252         }
    253 
    254         setWimaxStatus();
    255         setWifiStatus();
    256         setBtStatus();
    257         setIpAddressStatus();
    258 
    259         String serial = Build.SERIAL;
    260         if (serial != null && !serial.equals("")) {
    261             setSummaryText(KEY_SERIAL_NUMBER, serial);
    262         } else {
    263             removePreferenceFromScreen(KEY_SERIAL_NUMBER);
    264         }
    265     }
    266 
    267     @Override
    268     protected void onResume() {
    269         super.onResume();
    270 
    271         if (!Utils.isWifiOnly(getApplicationContext())) {
    272             mPhoneStateReceiver.registerIntent();
    273 
    274             updateSignalStrength();
    275             updateServiceState(mPhone.getServiceState());
    276             updateDataState();
    277 
    278             mTelephonyManager.listen(mPhoneStateListener,
    279                       PhoneStateListener.LISTEN_DATA_CONNECTION_STATE);
    280         }
    281         registerReceiver(mBatteryInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
    282         mHandler.sendEmptyMessage(EVENT_UPDATE_STATS);
    283     }
    284 
    285     @Override
    286     public void onPause() {
    287         super.onPause();
    288 
    289         if (!Utils.isWifiOnly(getApplicationContext())) {
    290             mPhoneStateReceiver.unregisterIntent();
    291             mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);
    292         }
    293         unregisterReceiver(mBatteryInfoReceiver);
    294         mHandler.removeMessages(EVENT_UPDATE_STATS);
    295     }
    296 
    297     /**
    298      * Removes the specified preference, if it exists.
    299      * @param key the key for the Preference item
    300      */
    301     private void removePreferenceFromScreen(String key) {
    302         Preference pref = findPreference(key);
    303         if (pref != null) {
    304             getPreferenceScreen().removePreference(pref);
    305         }
    306     }
    307 
    308     /**
    309      * @param preference The key for the Preference item
    310      * @param property The system property to fetch
    311      * @param alt The default value, if the property doesn't exist
    312      */
    313     private void setSummary(String preference, String property, String alt) {
    314         try {
    315             findPreference(preference).setSummary(
    316                     SystemProperties.get(property, alt));
    317         } catch (RuntimeException e) {
    318 
    319         }
    320     }
    321 
    322     private void setSummaryText(String preference, String text) {
    323             if (TextUtils.isEmpty(text)) {
    324                text = sUnknown;
    325              }
    326              // some preferences may be missing
    327              if (findPreference(preference) != null) {
    328                  findPreference(preference).setSummary(text);
    329              }
    330     }
    331 
    332     private void updateNetworkType() {
    333         // Whether EDGE, UMTS, etc...
    334         setSummaryText(KEY_NETWORK_TYPE, mTelephonyManager.getNetworkTypeName() +
    335                 ":" + mTelephonyManager.getNetworkType());
    336     }
    337 
    338     private void updateDataState() {
    339         int state = mTelephonyManager.getDataState();
    340         String display = mRes.getString(R.string.radioInfo_unknown);
    341 
    342         switch (state) {
    343             case TelephonyManager.DATA_CONNECTED:
    344                 display = mRes.getString(R.string.radioInfo_data_connected);
    345                 break;
    346             case TelephonyManager.DATA_SUSPENDED:
    347                 display = mRes.getString(R.string.radioInfo_data_suspended);
    348                 break;
    349             case TelephonyManager.DATA_CONNECTING:
    350                 display = mRes.getString(R.string.radioInfo_data_connecting);
    351                 break;
    352             case TelephonyManager.DATA_DISCONNECTED:
    353                 display = mRes.getString(R.string.radioInfo_data_disconnected);
    354                 break;
    355         }
    356 
    357         setSummaryText(KEY_DATA_STATE, display);
    358     }
    359 
    360     private void updateServiceState(ServiceState serviceState) {
    361         int state = serviceState.getState();
    362         String display = mRes.getString(R.string.radioInfo_unknown);
    363 
    364         switch (state) {
    365             case ServiceState.STATE_IN_SERVICE:
    366                 display = mRes.getString(R.string.radioInfo_service_in);
    367                 break;
    368             case ServiceState.STATE_OUT_OF_SERVICE:
    369             case ServiceState.STATE_EMERGENCY_ONLY:
    370                 display = mRes.getString(R.string.radioInfo_service_out);
    371                 break;
    372             case ServiceState.STATE_POWER_OFF:
    373                 display = mRes.getString(R.string.radioInfo_service_off);
    374                 break;
    375         }
    376 
    377         setSummaryText(KEY_SERVICE_STATE, display);
    378 
    379         if (serviceState.getRoaming()) {
    380             setSummaryText(KEY_ROAMING_STATE, mRes.getString(R.string.radioInfo_roaming_in));
    381         } else {
    382             setSummaryText(KEY_ROAMING_STATE, mRes.getString(R.string.radioInfo_roaming_not));
    383         }
    384         setSummaryText(KEY_OPERATOR_NAME, serviceState.getOperatorAlphaLong());
    385     }
    386 
    387     void updateSignalStrength() {
    388         // TODO PhoneStateIntentReceiver is deprecated and PhoneStateListener
    389         // should probably used instead.
    390 
    391         // not loaded in some versions of the code (e.g., zaku)
    392         if (mSignalStrength != null) {
    393             int state =
    394                     mPhoneStateReceiver.getServiceState().getState();
    395             Resources r = getResources();
    396 
    397             if ((ServiceState.STATE_OUT_OF_SERVICE == state) ||
    398                     (ServiceState.STATE_POWER_OFF == state)) {
    399                 mSignalStrength.setSummary("0");
    400             }
    401 
    402             int signalDbm = mPhoneStateReceiver.getSignalStrengthDbm();
    403 
    404             if (-1 == signalDbm) signalDbm = 0;
    405 
    406             int signalAsu = mPhoneStateReceiver.getSignalStrengthLevelAsu();
    407 
    408             if (-1 == signalAsu) signalAsu = 0;
    409 
    410             mSignalStrength.setSummary(String.valueOf(signalDbm) + " "
    411                         + r.getString(R.string.radioInfo_display_dbm) + "   "
    412                         + String.valueOf(signalAsu) + " "
    413                         + r.getString(R.string.radioInfo_display_asu));
    414         }
    415     }
    416 
    417     private void setWimaxStatus() {
    418         ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
    419         NetworkInfo ni = cm.getNetworkInfo(ConnectivityManager.TYPE_WIMAX);
    420 
    421         if (ni == null) {
    422             PreferenceScreen root = getPreferenceScreen();
    423             Preference ps = (Preference) findPreference(KEY_WIMAX_MAC_ADDRESS);
    424             if (ps != null) root.removePreference(ps);
    425         } else {
    426             Preference wimaxMacAddressPref = findPreference(KEY_WIMAX_MAC_ADDRESS);
    427             String macAddress = SystemProperties.get("net.wimax.mac.address",
    428                     getString(R.string.status_unavailable));
    429             wimaxMacAddressPref.setSummary(macAddress);
    430         }
    431     }
    432     private void setWifiStatus() {
    433         WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
    434         WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    435 
    436         Preference wifiMacAddressPref = findPreference(KEY_WIFI_MAC_ADDRESS);
    437 
    438         String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
    439         wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
    440                 : getString(R.string.status_unavailable));
    441     }
    442 
    443     private void setIpAddressStatus() {
    444         Preference ipAddressPref = findPreference(KEY_IP_ADDRESS);
    445         String ipAddress = Utils.getDefaultIpAddresses(this);
    446         if (ipAddress != null) {
    447             ipAddressPref.setSummary(ipAddress);
    448         } else {
    449             ipAddressPref.setSummary(getString(R.string.status_unavailable));
    450         }
    451     }
    452 
    453     private void setBtStatus() {
    454         BluetoothAdapter bluetooth = BluetoothAdapter.getDefaultAdapter();
    455         Preference btAddressPref = findPreference(KEY_BT_ADDRESS);
    456 
    457         if (bluetooth == null) {
    458             // device not BT capable
    459             getPreferenceScreen().removePreference(btAddressPref);
    460         } else {
    461             String address = bluetooth.isEnabled() ? bluetooth.getAddress() : null;
    462             btAddressPref.setSummary(!TextUtils.isEmpty(address) ? address
    463                     : getString(R.string.status_unavailable));
    464         }
    465     }
    466 
    467     void updateTimes() {
    468         long at = SystemClock.uptimeMillis() / 1000;
    469         long ut = SystemClock.elapsedRealtime() / 1000;
    470 
    471         if (ut == 0) {
    472             ut = 1;
    473         }
    474 
    475         mUptime.setSummary(convert(ut));
    476     }
    477 
    478     private String pad(int n) {
    479         if (n >= 10) {
    480             return String.valueOf(n);
    481         } else {
    482             return "0" + String.valueOf(n);
    483         }
    484     }
    485 
    486     private String convert(long t) {
    487         int s = (int)(t % 60);
    488         int m = (int)((t / 60) % 60);
    489         int h = (int)((t / 3600));
    490 
    491         return h + ":" + pad(m) + ":" + pad(s);
    492     }
    493 }
    494