Android8.1 源码修改之插入SIM卡默认启用Volte功能
kenrry1992 · 409浏览 · 发布于2019-05-13
前言
公用电话产品,插入SIM卡后要求自动打开Volte功能,即插即用,用完拔卡就走
实现
第一步 开关对应的代码
通过打印日志和全局查找,源码位置 vendor/mediatek/proprietary/packages/services/Telephony/src/com/android/phone/MobileNetworkSettings.java
04 -15 08 : 15 : 29.238 1191 -1191 /com.android.phone I/ NetworkSettings: isUpdateTabsNeeded: - DO_NOTHING newSil.size()= 1 mActiveSubInfos.size()= 1 04 -15 08 : 15 : 29.240 1191 -1191 /com.android.phone D/ NetworkSettings: initializeSubscriptions: DO_NOTHING 04 -15 08 : 15 : 29.240 1191 -1191 /com.android.phone D/ NetworkSettings: convertTabToSlot: info size= 1 currentTab= 0 slotId= 0 04 -15 08 : 15 : 29.246 1191 -1191 /com.android.phone I/ NetworkSettings: updatePhone: - slotId= 0 sir={id= 1 , iccId= 89861114706315182802 simSlotIndex= 0 displayName=中国电信 carrierName=中国电信 nameSource= 0 iconTint= -16746133 dataRoaming= 0 iconBitmap=android.graphics.Bitmap @ca 496f0 mcc 460 mnc 11 isEmbedded false accessRules null } 04 -15 08 : 15 : 29.246 1191 -1191 /com.android.phone D/ NetworkSettings: updateBody: isLteOnCdma= true phoneSubId= 1 04 -15 08 : 15 : 29.253 1191 -1191 /com.android.phone D/ NetworkSettings: phoneType == PhoneConstants.PHONE_TYPE_CDMA or is CT VOLTE... 04 -15 08 : 15 : 29.266 1191 -1191 /com.android.phone D/ NetworkSettings: isWorldMode= false 04 -15 08 : 15 : 29.267 1191 -1191 /com.android.phone D/ NetworkSettings: isWorldMode= false 04 -15 08 : 15 : 29.267 1191 -1191 /com.android.phone D/ NetworkSettings: settingsNetworkMode: 10 04 -15 08 : 15 : 29.285 1191 -1191 /com.android.phone D/ NetworkSettings: [addEnhanced4GLteSwitchPreference] volteEnabled : true 04 -15 08 : 15 : 29.285 1191 -1191 /com.android.phone D/ NetworkSettings: [addEnhanced4GLteSwitchPreference] Remove mButton4glte! 04 -15 08 : 15 : 29.285 1191 -1191 /com.android.phone D/ NetworkSettings: [addEnhanced4GLteSwitchPreference] ss : false 04 -15 08 : 15 : 29.307 1191 -1191 /com.android.phone D/ DefaultMobileNetworkSettingsExt: customizeEnhanced4GLteSwitchPreference 04 -15 08 : 15 : 29.320 1191 -1191 /com.android.phone D/ NetworkSettings: CdmaNetworkSettings destroy com.android.phone.MobileNetworkSettings@ 99 b81a5 04 -15 08 : 15 : 29.320 1191 -1191 /com.android.phone D/ CdmaNetworkSettings: onDestroy
通过 MtkImsManager.setEnhanced4gLteModeSetting(this, enhanced4gModePref.isChecked(), phoneId); 这行代码来实现volte的打开、关闭
详细的分析流程,请看这篇
第二步 插卡后调用开关的代码
通过插卡后分析日志发现打印 android.intent.action.SIM_STATE_CHANGED, 字面意思Sim卡状态改变通知, 全局查找到,
源码位置 vendor\mediatek\proprietary\packages\services\Telephony\src\com\mediatek\settings\cdma\CdmaVolteServiceChecker.java
修改如下
private BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive (Context context, Intent intent) { Log.d(TAG, "onReceive, action = " + intent.getAction()); updateState(); // cczheng add when recive SIM_STATE_CHANGED default open volte if (TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(intent.getAction())) { updateVolteState(); } }; }; //cczheng add check volte is open, and defalut open volte private void updateVolteState () { Log.e(TAG, "updateVolteState...." ); int subId = getListenSubId(); Log.i(TAG, "isValidSubscriptionId==" +SubscriptionManager.isValidSubscriptionId(subId)); Log.i(TAG, "isCtVolteEnabled==" +TelephonyUtilsEx.isCtVolteEnabled()); if (SubscriptionManager.isValidSubscriptionId(subId) && TelephonyUtilsEx.isCtVolteEnabled()) { boolean volteOn = MtkImsManager.isEnhanced4gLteModeSettingEnabledByUser(mContext, SubscriptionManager.getPhoneId(subId)); boolean isEnable4gOn = isEnable4gOn(subId); Log.i(TAG, "isEnable4gOn==" +isEnable4gOn); Log.i(TAG, "volteOn==" +volteOn); int phoneId = SubscriptionManager.getPhoneId(subId); Log.e(TAG, "phoneId = " + phoneId + " subId=" +subId); if (!volteOn) { MtkImsManager.setEnhanced4gLteModeSetting(mContext, true , phoneId); } } } private boolean isLteNetwork ( int subId) { boolean isLte = false ; int networkType = TelephonyManager.NETWORK_TYPE_UNKNOWN; final int dataNetworkType = TelephonyManager.getDefault().getDataNetworkType(subId); final int voiceNetworkType = TelephonyManager.getDefault().getVoiceNetworkType(subId); Log.d(TAG, "dataNetworkType = " + dataNetworkType + ", voiceNetworkType = " + voiceNetworkType); if (TelephonyManager.NETWORK_TYPE_UNKNOWN != dataNetworkType) { networkType = dataNetworkType; } else if (TelephonyManager.NETWORK_TYPE_UNKNOWN != voiceNetworkType) { networkType = voiceNetworkType; } if ((networkType == TelephonyManager.NETWORK_TYPE_LTE) || (networkType == TelephonyManager.NETWORK_TYPE_LTE_CA)) { isLte = true ; } Log.d(TAG, "isLte = " + isLte); return isLte; }
至此,搞定,简单说下上面的代码,当收到SIM状态改变的广播,检查卡的subId是否是有效的(subId>0),卡片是否支持Volte功能,同时满足则获取当前Volte是否已启用,未启用则调用MtkImsManager.setEnhanced4gLteModeSetting()打开
相关推荐
android下vulkan与opengles纹理互通
talkchan · 1179浏览 · 2020-11-23 10:37:39
Android 使用RecyclerView实现轮播图
奔跑的男人 · 2176浏览 · 2019-05-09 17:11:13
微软发布新命令行工具 Windows Terminal
吴振华 · 869浏览 · 2019-05-09 17:15:04
在华为写了十几年代码,我为什么还没有被拿去“祭天”
追忆似水年华 · 1201浏览 · 2019-05-09 17:22:20
android 通过修改图片像素实现CircleImageView
吴振华 · 1127浏览 · 2019-05-09 22:26:56
分类专栏
最新发布
最热排行
0评论