telephony pdf

Android Source code Analysis: Telephony part –gsmphoneRed Wolf BlogPhoneproxy/gsmphone/cdmaphoneIf Rilj provides a tool or pipeline, then the subclass and Phonefactory of the phone interface are packages/app/phone this application process to use RILJ this tool or pipeline to provide great convenience, They are a telephony function that manages the entire phone.Gsmphone and Cdmaphone implement the interfaces

Core Telephony Framework (key communication framework)Overview:This library is prefixed with CT (Core Telephony) and is used primarily to obtain information about the user's communication, which we can use to define an external interface for our own use. Of course we can just use this information to get the information we are currently calling.The CT object can obtain communication information, for example,

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Android4.4 Telephony Process Analysis-call record loading process of dial-up applications (Dialer) The code in this article takes the MTK platform Android 4.4 as the analysis object, which is somewhat different from Google's native AOSP. Please be aware of it. The call history of the Android system is stored in the CALS table of the contact database contacts2.db. When the call record (calllog) is stored in the database, you can view my previous blog

In the previous article, we learned the Telephony class in android. provider. This article describes the classes in the android. telephony package. These classes are the APIs that android provides for upper-layer calls. A series of Apis provided to monitor basic phone information. Such as the network type, connection status, and operating phone number tool class. VcD4KPHA + kernel/kernel + iwODQzaG

This code is based on the MTK platform Android 4.4 As the analysis object, and Google native Aosp a little difference, please read the reader.This article mainly introduces the SIM card data reading process, when the RF state is in the ready state, at this time uicccardapplication should be in the Appstate.appstate_ready state, we follow this signal down. Read the Android4.4 telephony process Analysis--sim the initialization of the radio and SIM card

In the previous article, I learned about the telephony class in Android.provider.This article learns the classes in the Android.telephony package, which are the APIs that Android provides to the upper call.A series of APIs for monitoring basic telephone information. such as network type, connection status. The tool class that operates the phone number.Altogether 25 classes. The following describes each:TelephonymanagerProcessing the

, sim_state_puk_required, sim_state_network_locked, sim_ State_ready 12. publicstringgetsimoperator (): NBSP;MCC+MNC (Mobile Country code + mobile network Code) of the provider of the SIM. 5 or 6 decimal digits 13 . publicstring getsimoperatorname () : service Provider Name (SPN) public string getsimcountryiso () : iso Country code equivalent for The SIM provider ' s country code 15.publicstring getsimserialnumber () : serial number of the

This code is based on the MTK platform Android 5.1 as the analysis object, and Google native Aosp a little difference, please read the reader.This figure is mainly based on the Android source code to dial the phone process to draw, recorded the phone calls the main process:Reference Blog: http://blog.csdn.net/yihongyuelan/article/details/45098339Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Android5.1

/success (actual Sipprovider callback), the Fail/sucess interface of the transactionclient is called Public classTransactionclientextendsTransaction {Transactionclientlistener transaction_listener; Publictransactionclient (Sipprovider sip_provider, Message req, Transactionclientlistener listener) {Super(Sip_provider); Request=NewMessage (req); Init (Listener, Request.gettransactionid ()); //This.transaction_listener = listener;} //The actual Sipprovider callback Public voidOnreceivedmessage (Si

Android4.4 Telephony Process Analysis-loading the Contact list thumbnails The code in this article takes the MTK platform Android 4.4.2 as the analysis object, which is somewhat different from Google's native AOSP. Please be aware of it. ContactPhotoManager is used to load thumbnails of the Android contact list. java class. This is an abstract class that implements the ComponentCallbacks2 interface. It has a specific implementation class called Conta

Android4.4 Telephony process analysis-the loading process of the Contact list thumbnail, android4.4 The code in this article takes the MTK platform Android 4.4.2 as the analysis object, which is somewhat different from Google's native AOSP. Please be aware of it. ContactPhotoManager is used to load thumbnails of the Android contact list. java class. This is an abstract class that implements the ComponentCallbacks2 interface. It has a specific impleme