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      1 /*
      2  * Copyright (C) 2014 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 package com.android.settings.deviceinfo;
     17 
     18 import android.content.Context;
     19 import android.os.Bundle;
     20 import android.support.v7.preference.Preference;
     21 import android.support.v7.preference.PreferenceScreen;
     22 import android.telephony.SubscriptionManager;
     23 import android.telephony.TelephonyManager;
     24 import android.text.Spannable;
     25 import android.text.SpannableString;
     26 import android.text.SpannableStringBuilder;
     27 import android.text.Spanned;
     28 import android.text.TextUtils;
     29 
     30 import android.text.style.TtsSpan;
     31 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     32 import com.android.internal.telephony.Phone;
     33 import com.android.internal.telephony.PhoneConstants;
     34 import com.android.internal.telephony.PhoneFactory;
     35 import com.android.settings.R;
     36 import com.android.settings.SettingsPreferenceFragment;
     37 
     38 public class ImeiInformation extends SettingsPreferenceFragment {
     39 
     40     private static final String KEY_PRL_VERSION = "prl_version";
     41     private static final String KEY_MIN_NUMBER = "min_number";
     42     private static final String KEY_MEID_NUMBER = "meid_number";
     43     private static final String KEY_ICC_ID = "icc_id";
     44     private static final String KEY_IMEI = "imei";
     45     private static final String KEY_IMEI_SV = "imei_sv";
     46 
     47     private SubscriptionManager mSubscriptionManager;
     48     private boolean isMultiSIM = false;
     49 
     50     @Override
     51     public void onCreate(Bundle savedInstanceState) {
     52         super.onCreate(savedInstanceState);
     53         mSubscriptionManager = SubscriptionManager.from(getContext());
     54         final TelephonyManager telephonyManager =
     55             (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
     56         initPreferenceScreen(telephonyManager.getSimCount());
     57     }
     58 
     59     // Since there are multiple phone for dsds, therefore need to show information for different
     60     // phones.
     61     private void initPreferenceScreen(int slotCount) {
     62         isMultiSIM = (slotCount > 1);
     63         for (int slotId = 0; slotId < slotCount; slotId ++) {
     64             addPreferencesFromResource(R.xml.device_info_phone_status);
     65             setPreferenceValue(slotId);
     66             setNewKey(slotId);
     67         }
     68     }
     69 
     70     private void setPreferenceValue(int phoneId) {
     71         final Phone phone = PhoneFactory.getPhone(phoneId);
     72 
     73         if (phone != null) {
     74             if (phone.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) {
     75                 setSummaryText(KEY_MEID_NUMBER, phone.getMeid());
     76                 setSummaryText(KEY_MIN_NUMBER, phone.getCdmaMin());
     77 
     78                 if (getResources().getBoolean(R.bool.config_msid_enable)) {
     79                     findPreference(KEY_MIN_NUMBER).setTitle(R.string.status_msid_number);
     80                 }
     81 
     82                 setSummaryText(KEY_PRL_VERSION, phone.getCdmaPrlVersion());
     83 
     84                 if (phone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE) {
     85                     // Show ICC ID and IMEI for LTE device
     86                     setSummaryText(KEY_ICC_ID, phone.getIccSerialNumber());
     87                     setSummaryTextAsDigit(KEY_IMEI, phone.getImei());
     88                     setSummaryTextAsDigit(KEY_IMEI_SV, phone.getDeviceSvn());
     89                 } else {
     90                     // device is not GSM/UMTS, do not display GSM/UMTS features
     91                     // check Null in case no specified preference in overlay xml
     92                     removePreferenceFromScreen(KEY_IMEI_SV);
     93                     removePreferenceFromScreen(KEY_IMEI);
     94                     removePreferenceFromScreen(KEY_ICC_ID);
     95                 }
     96             } else {
     97                 setSummaryTextAsDigit(KEY_IMEI, phone.getImei());
     98                 setSummaryTextAsDigit(KEY_IMEI_SV, phone.getDeviceSvn());
     99                 // device is not CDMA, do not display CDMA features
    100                 // check Null in case no specified preference in overlay xml
    101                 removePreferenceFromScreen(KEY_PRL_VERSION);
    102                 removePreferenceFromScreen(KEY_MEID_NUMBER);
    103                 removePreferenceFromScreen(KEY_MIN_NUMBER);
    104                 removePreferenceFromScreen(KEY_ICC_ID);
    105             }
    106         }
    107     }
    108 
    109     // Modify the preference key with prefix "_", so new added information preference can be set
    110     // related phone information.
    111     private void setNewKey(int slotId) {
    112         final PreferenceScreen prefScreen = getPreferenceScreen();
    113         final int count = prefScreen.getPreferenceCount();
    114         for (int i = 0; i < count; i++) {
    115             Preference pref = prefScreen.getPreference(i);
    116             String key = pref.getKey();
    117             if (!key.startsWith("_")){
    118                 key = "_" + key + String.valueOf(slotId);
    119                 pref.setKey(key);
    120                 updateTitle(pref, slotId);
    121             }
    122         }
    123     }
    124 
    125     private void updateTitle(Preference pref, int slotId) {
    126         if (pref != null) {
    127             String title = pref.getTitle().toString();
    128             if (isMultiSIM) {
    129                 // Slot starts from 1, slotId starts from 0 so plus 1
    130                 title += " " + getResources().getString(R.string.slot_number, slotId + 1);
    131             }
    132             pref.setTitle(title);
    133         }
    134     }
    135 
    136     private void setSummaryText(String key, String text) {
    137         setSummaryText(key, text, false /* forceDigit */);
    138     }
    139 
    140     private void setSummaryTextAsDigit(String key, String text) {
    141         setSummaryText(key, text, true /* forceDigit */);
    142     }
    143 
    144     private void setSummaryText(String key, CharSequence text, boolean forceDigit) {
    145         final Preference preference = findPreference(key);
    146 
    147         if (TextUtils.isEmpty(text)) {
    148             text = getResources().getString(R.string.device_info_default);
    149         } else if (forceDigit && TextUtils.isDigitsOnly(text)) {
    150             final Spannable spannable = new SpannableStringBuilder(text);
    151             final TtsSpan span = new TtsSpan.DigitsBuilder(text.toString()).build();
    152             spannable.setSpan(span, 0, spannable.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    153             text = spannable;
    154         }
    155 
    156         if (preference != null) {
    157             preference.setSummary(text);
    158         }
    159     }
    160 
    161     /**
    162      * Removes the specified preference, if it exists.
    163      * @param key the key for the Preference item
    164      */
    165     private void removePreferenceFromScreen(String key) {
    166         final Preference preference = findPreference(key);
    167         if (preference != null) {
    168             getPreferenceScreen().removePreference(preference);
    169         }
    170     }
    171 
    172     @Override
    173     public int getMetricsCategory() {
    174         return MetricsEvent.DEVICEINFO_IMEI_INFORMATION;
    175     }
    176 }
    177