Home | History | Annotate | Download | only in imei 
      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 
     17 package com.android.settings.deviceinfo.imei;
     18 
     19 import android.content.Context;
     20 import android.content.res.Resources;
     21 import android.support.annotation.NonNull;
     22 import android.support.annotation.VisibleForTesting;
     23 import android.telephony.SubscriptionInfo;
     24 import android.telephony.SubscriptionManager;
     25 import android.telephony.TelephonyManager;
     26 import android.text.Spannable;
     27 import android.text.SpannableStringBuilder;
     28 import android.text.Spanned;
     29 import android.text.TextUtils;
     30 import android.text.style.TtsSpan;
     31 
     32 import com.android.internal.telephony.PhoneConstants;
     33 import com.android.settings.R;
     34 
     35 import java.util.List;
     36 
     37 public class ImeiInfoDialogController {
     38 
     39     @VisibleForTesting
     40     static final int ID_PRL_VERSION_VALUE = R.id.prl_version_value;
     41     private static final int ID_MIN_NUMBER_LABEL = R.id.min_number_label;
     42     @VisibleForTesting
     43     static final int ID_MIN_NUMBER_VALUE = R.id.min_number_value;
     44     @VisibleForTesting
     45     static final int ID_MEID_NUMBER_VALUE = R.id.meid_number_value;
     46     @VisibleForTesting
     47     static final int ID_IMEI_VALUE = R.id.imei_value;
     48     @VisibleForTesting
     49     static final int ID_IMEI_SV_VALUE = R.id.imei_sv_value;
     50     @VisibleForTesting
     51     static final int ID_CDMA_SETTINGS = R.id.cdma_settings;
     52     @VisibleForTesting
     53     static final int ID_GSM_SETTINGS = R.id.gsm_settings;
     54 
     55     private static CharSequence getTextAsDigits(CharSequence text) {
     56         if (TextUtils.isDigitsOnly(text)) {
     57             final Spannable spannable = new SpannableStringBuilder(text);
     58             final TtsSpan span = new TtsSpan.DigitsBuilder(text.toString()).build();
     59             spannable.setSpan(span, 0, spannable.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
     60             text = spannable;
     61         }
     62         return text;
     63     }
     64 
     65     private final ImeiInfoDialogFragment mDialog;
     66     private final TelephonyManager mTelephonyManager;
     67     private final SubscriptionInfo mSubscriptionInfo;
     68     private final int mSlotId;
     69 
     70     public ImeiInfoDialogController(@NonNull ImeiInfoDialogFragment dialog, int slotId) {
     71         mDialog = dialog;
     72         mSlotId = slotId;
     73         final Context context = dialog.getContext();
     74         mTelephonyManager = (TelephonyManager) context.getSystemService(
     75                 Context.TELEPHONY_SERVICE);
     76         mSubscriptionInfo = getSubscriptionInfo(context, slotId);
     77     }
     78 
     79     /**
     80      * Sets IMEI/MEID information based on whether the device is CDMA or GSM.
     81      */
     82     public void populateImeiInfo() {
     83         if (mTelephonyManager.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) {
     84             updateDialogForCdmaPhone();
     85         } else {
     86             updateDialogForGsmPhone();
     87         }
     88     }
     89 
     90     private void updateDialogForCdmaPhone() {
     91         final Resources res = mDialog.getContext().getResources();
     92         mDialog.setText(ID_MEID_NUMBER_VALUE, getMeid());
     93         mDialog.setText(ID_MIN_NUMBER_VALUE,
     94                 mSubscriptionInfo != null ? mTelephonyManager.getCdmaMin(
     95                         mSubscriptionInfo.getSubscriptionId()) : "");
     96 
     97         if (res.getBoolean(R.bool.config_msid_enable)) {
     98             mDialog.setText(ID_MIN_NUMBER_LABEL,
     99                     res.getString(R.string.status_msid_number));
    100         }
    101 
    102         mDialog.setText(ID_PRL_VERSION_VALUE, getCdmaPrlVersion());
    103 
    104         if (mSubscriptionInfo != null && isCdmaLteEnabled()) {
    105             // Show IMEI for LTE device
    106             mDialog.setText(ID_IMEI_VALUE,
    107                     getTextAsDigits(mTelephonyManager.getImei(mSlotId)));
    108             mDialog.setText(ID_IMEI_SV_VALUE,
    109                     getTextAsDigits(mTelephonyManager.getDeviceSoftwareVersion(mSlotId)));
    110         } else {
    111             // device is not GSM/UMTS, do not display GSM/UMTS features
    112             mDialog.removeViewFromScreen(ID_GSM_SETTINGS);
    113         }
    114     }
    115 
    116     private void updateDialogForGsmPhone() {
    117         mDialog.setText(ID_IMEI_VALUE, getTextAsDigits(mTelephonyManager.getImei(mSlotId)));
    118         mDialog.setText(ID_IMEI_SV_VALUE,
    119                 getTextAsDigits(mTelephonyManager.getDeviceSoftwareVersion(mSlotId)));
    120         // device is not CDMA, do not display CDMA features
    121         mDialog.removeViewFromScreen(ID_CDMA_SETTINGS);
    122     }
    123 
    124     private SubscriptionInfo getSubscriptionInfo(Context context, int slotId) {
    125         final List<SubscriptionInfo> subscriptionInfoList = SubscriptionManager.from(context)
    126                 .getActiveSubscriptionInfoList();
    127         if (subscriptionInfoList == null) {
    128             return null;
    129         }
    130 
    131         return subscriptionInfoList.get(slotId);
    132     }
    133 
    134     @VisibleForTesting
    135     String getCdmaPrlVersion() {
    136         return mTelephonyManager.getCdmaPrlVersion();
    137     }
    138 
    139     @VisibleForTesting
    140     boolean isCdmaLteEnabled() {
    141         return mTelephonyManager.getLteOnCdmaMode(mSubscriptionInfo.getSubscriptionId())
    142                 == PhoneConstants.LTE_ON_CDMA_TRUE;
    143     }
    144 
    145     @VisibleForTesting
    146     String getMeid() {
    147         return mTelephonyManager.getMeid(mSlotId);
    148     }
    149 }
    150