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.telephony.SubscriptionInfo; 22 import android.telephony.SubscriptionManager; 23 import android.telephony.TelephonyManager; 24 import android.util.Log; 25 26 import androidx.annotation.NonNull; 27 import androidx.annotation.VisibleForTesting; 28 29 import com.android.settings.R; 30 31 public class ImeiInfoDialogController { 32 33 private static final String TAG = "ImeiInfoDialog"; 34 35 @VisibleForTesting 36 static final int ID_PRL_VERSION_VALUE = R.id.prl_version_value; 37 private static final int ID_MIN_NUMBER_LABEL = R.id.min_number_label; 38 @VisibleForTesting 39 static final int ID_MIN_NUMBER_VALUE = R.id.min_number_value; 40 @VisibleForTesting 41 static final int ID_MEID_NUMBER_VALUE = R.id.meid_number_value; 42 @VisibleForTesting 43 static final int ID_IMEI_VALUE = R.id.imei_value; 44 @VisibleForTesting 45 static final int ID_IMEI_SV_VALUE = R.id.imei_sv_value; 46 @VisibleForTesting 47 static final int ID_CDMA_SETTINGS = R.id.cdma_settings; 48 @VisibleForTesting 49 static final int ID_GSM_SETTINGS = R.id.gsm_settings; 50 51 private final ImeiInfoDialogFragment mDialog; 52 private final TelephonyManager mTelephonyManager; 53 private final SubscriptionInfo mSubscriptionInfo; 54 private final int mSlotId; 55 ImeiInfoDialogController(@onNull ImeiInfoDialogFragment dialog, int slotId)56 public ImeiInfoDialogController(@NonNull ImeiInfoDialogFragment dialog, int slotId) { 57 mDialog = dialog; 58 mSlotId = slotId; 59 final Context context = dialog.getContext(); 60 mSubscriptionInfo = context.getSystemService(SubscriptionManager.class) 61 .getActiveSubscriptionInfoForSimSlotIndex(slotId); 62 TelephonyManager tm = context.getSystemService(TelephonyManager.class); 63 if (mSubscriptionInfo != null) { 64 mTelephonyManager = context.getSystemService(TelephonyManager.class) 65 .createForSubscriptionId(mSubscriptionInfo.getSubscriptionId()); 66 } else if(isValidSlotIndex(slotId, tm)) { 67 mTelephonyManager = tm; 68 } else { 69 mTelephonyManager = null; 70 } 71 } 72 73 /** 74 * Sets IMEI/MEID information based on whether the device is CDMA or GSM. 75 */ populateImeiInfo()76 public void populateImeiInfo() { 77 if (mTelephonyManager == null) { 78 Log.w(TAG, "TelephonyManager for this slot is null. Invalid slot? id=" + mSlotId); 79 return; 80 } 81 if (mTelephonyManager.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) { 82 updateDialogForCdmaPhone(); 83 } else { 84 updateDialogForGsmPhone(); 85 } 86 } 87 updateDialogForCdmaPhone()88 private void updateDialogForCdmaPhone() { 89 final Resources res = mDialog.getContext().getResources(); 90 mDialog.setText(ID_MEID_NUMBER_VALUE, getMeid()); 91 // MIN needs to read from SIM. So if no SIM, we should not show MIN on UI 92 mDialog.setText(ID_MIN_NUMBER_VALUE, mSubscriptionInfo != null 93 ? mTelephonyManager.getCdmaMin(mSubscriptionInfo.getSubscriptionId()) 94 : ""); 95 96 if (res.getBoolean(R.bool.config_msid_enable)) { 97 mDialog.setText(ID_MIN_NUMBER_LABEL, 98 res.getString(R.string.status_msid_number)); 99 } 100 101 mDialog.setText(ID_PRL_VERSION_VALUE, getCdmaPrlVersion()); 102 103 if ((mSubscriptionInfo != null && isCdmaLteEnabled()) || 104 (mSubscriptionInfo == null && isSimPresent(mSlotId))) { 105 // Show IMEI for LTE device 106 mDialog.setText(ID_IMEI_VALUE, mTelephonyManager.getImei(mSlotId)); 107 mDialog.setText(ID_IMEI_SV_VALUE, 108 mTelephonyManager.getDeviceSoftwareVersion(mSlotId)); 109 } else { 110 // device is not GSM/UMTS, do not display GSM/UMTS features 111 mDialog.removeViewFromScreen(ID_GSM_SETTINGS); 112 } 113 } 114 updateDialogForGsmPhone()115 private void updateDialogForGsmPhone() { 116 mDialog.setText(ID_IMEI_VALUE, mTelephonyManager.getImei(mSlotId)); 117 mDialog.setText(ID_IMEI_SV_VALUE, 118 mTelephonyManager.getDeviceSoftwareVersion(mSlotId)); 119 // device is not CDMA, do not display CDMA features 120 mDialog.removeViewFromScreen(ID_CDMA_SETTINGS); 121 } 122 123 @VisibleForTesting getCdmaPrlVersion()124 String getCdmaPrlVersion() { 125 // PRL needs to read from SIM. So if no SIM, return empty 126 return mSubscriptionInfo != null ? mTelephonyManager.getCdmaPrlVersion() : ""; 127 } 128 129 @VisibleForTesting isCdmaLteEnabled()130 boolean isCdmaLteEnabled() { 131 return mTelephonyManager.isLteCdmaEvdoGsmWcdmaEnabled(); 132 } 133 isSimPresent(int slotId)134 boolean isSimPresent(int slotId) { 135 final int simState = mTelephonyManager.getSimState(slotId); 136 if ((simState != TelephonyManager.SIM_STATE_ABSENT) && 137 (simState != TelephonyManager.SIM_STATE_UNKNOWN)) { 138 return true; 139 } 140 return false; 141 } 142 143 @VisibleForTesting getMeid()144 String getMeid() { 145 return mTelephonyManager.getMeid(mSlotId); 146 } 147 148 @VisibleForTesting isValidSlotIndex(int slotIndex, TelephonyManager telephonyManager)149 private boolean isValidSlotIndex(int slotIndex, TelephonyManager telephonyManager) { 150 return slotIndex >= 0 && slotIndex < telephonyManager.getPhoneCount(); 151 } 152 } 153