SMS receiving-android MMS receiving process (Application Layer)

Source: Internet
Author: User

Android MMS reception-Application Layer

1. The source file code is in packages/apps/MMS and involves the following main classes: MMS-related classes.
Com. Android. mms. transaction. pushreceivercom. Android. mms. transaction. transactionservicecom. Android. mms. transaction. icationicationtransaction
2. Illustration 2.1 the time sequence for receiving MMS
Epushtask is the internal class of pushreceiver, and servicehandler is the internal class of transactionservice.
3. Analyze the receiving process of 3.1 MMs in detail. The timing diagram shows that pushcycler receives the broadcast signal sent by the middle layer;

 



4. Summary



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