From the perspective of software functions, MMS can be divided into conversation list, message list, SMS edit, MMS edit, SMS display, MMS display, and configuration.From the implementation point of view, it is divided into GUI display layer, sending/receiving, MMS resolution, MMS
Composing and editing
The specific implementation form or data structure of MMS in the android MMS application is slideshowmodel, which is an arraylist with each node as slidemodel, and slidemodel is a list of models, that is, it can receive sub-classes of any model, including audio, video, image, and text, which can be placed on the slidemodel. Slidemodel is mai
The Mms name here is not accurate because it is the name of an application. This application is an information application on Android, which can process Short Messages (Short Messaging Service ), it can also process Multimedia messages (Multimedia MessagingService ). In addition to the phone program, it is another very important core application of the mobile phone system, because for mobile phones, the two
Composing and editingMMS in the Android MMS application of the specific implementation of the form, or data structure is slideshowmodel, it is a node for each Slidemodel Arraylist,slidemodel is a model list, That is, it can receive any model of the subclass, Audio,video,image and text can be placed on the slidemodel above. Slidemodel is mainly used to manage the various media on top of it, such as their lay
I searched a lot of articles on PDU parsing on the Internet, but I had no clue. Finally, I made some progress after referring to the Google Code.
Sodino has not obtained the formal MMS specification, and everything comes from Google search. I hope that the majority of users will pick up and correct the mistakes. I am very grateful.
After the mobile phone receives the text message, Android (
Reading MMS files in Android apps involves a database/data of Android/COM. Android. providers. telephony/databases/mmssms. dB and a folder/data/Data/COM. Android. providers. telephony/app_parts. To back up MMS, you can copy the da
The information receives the work is completes by the bottom, when has a new information when the bottom completes receives the intent way to inform the upper level application, the information related content also includes in intent, The information intent that Android supports are defined in android.provider.Telephony.Intents.Receipt of SMS
SMS reception, for the upper application is to deal with the broadcast event sms_received_action,
unread messages and message reports ). And send the broadcast of Android. Intent. Action. transaction_completed_action (currently This broadcast is not accepted, it should be a broadcast provided to support application developers ).
PushreceiverThe application layer of Android MMS Reception starts with pushreceiver. After onreceive is called, enable the screen t
This article describes the Android implementation of MMS add-on and delete features. Share to everyone for your reference, specific as follows:
Add attachment
In the composemessageactivity.
addattachment (int type) function
Divided into 6 case according to the type difference
Case A:
Mediaselectlistactivity.add_image Use Gallery to select pictures:
Messageutils.selectimage (this, request_code_
The reception of information is done by the bottom, when there is a new information when the bottom of the completion of the reception will be intent to notify the upper application, information related content is also included in the intent, Android support information intent are determined Righteousness is inside the android.provider.Telephony.Intents.Receipt of SMSSMS receive, for the upper application is to deal with broadcast event Sms_received_a
module division
A. Model: manages the layout of multimedia elements (text, images, audio/video), Resource Uris, and user event responses.
B. Dom, abstraction of SMIL files, describing the triggering of SMIL file nodes and events
C. UI, text message/MMS browsing and editing
D, transaction, transmission of MMS
E. Storage of provider. telephony MMS
In addition, the
Information receiving is done at the underlying layer. When a new information is received at the underlying layer, the upper-layer application is notified in intent mode, the information is also included in intent, and the information intent supported by Android is defined in Android. provider. telephony. intents.Receive SMS
The upper-layer application processes the broadcast event sms_received_action, whi
Information receiving is done at the underlying layer. When a new information is received at the underlying layer, the upper-layer application is notified in Intent mode, the information is also included in the Intent, and the information Intent supported by Android is defined in android. provider. telephony. intents.Receive SMS
The upper-layer application processes the broadcast event SMS_RECEIVED_ACTION,
How to set up a mobile phone to receive MMS when the Android mobile phone is circulating in the Mainland market is just as unpredictable as Bach's conjecture ,{Tagshow (Event)} "> On the Forum, various MMS setting parameters are transmitted, and each setting {Tagshow (Event)} "> Only some users can use the message normally. Even some frustrated users started to t
processing through StartService. Information has been sent to broadcast and messages have been delivered to broadcast by Smsreceiverservice monitoring and Messagestatusreceiver respectively. When they receive the broadcast, they get a detailed send and delivery status from the intent, and then update the status of the information in the database, and the UI updates the UI when it finds a change in the database. At this point, a text message sent to complete.
MMS in Android to MMS (multimedia messaging Service) The operation of the MMS protocol is done through the APIs provided in frameworks: Com.google.android.mms This package is not open in the SDK and can only be used by internal programs, encapsulating all the APIs required by MMS
Short MMS receiving process and the call process is a bit similar, the beginning is also the RIL layer to report SMS events, and then the upper layer to handle the process of receiving text messages. Android Ril is located between the application framework and the kernel, divided into two parts, one part is the rild, it is responsible for the socket and the application framework to communicate. Another part
It cannot be remembered whether it is after Android4.0 or after 4.1. When browsing information, the MMS slides are no longer displayed along with the information content. Instead, after the information content is displayed, the background thread is enabled to asynchronously load the MMS slides, after the attachment is loaded, the attachment is displayed. Why is it designed like this? It is mainly used to so
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