Upper-layer call process in Android

 

1. Call Process
Incallscreen calls internalresolveintent ()
Call placecall.

Number is obtained from intent.
Number = getinitialnumber (intent );

Placecall calls phoneutils. placecall in Java

Call phone. Dial In placecall to establish a connection.

Call gsmphone. Dial, gsmcalltracker. Dial in sequence
Commandsinterface. Dial
To
Dial (string address, int clirmode, message result ).

Ii. Incoming call Process

Ril_request_current_callril. Java reports processsolicited
Transferred to handlepollcils in gsmcalltracker
Phone. policynewringconnection ()
Notification callnotifier. handlemessage in Java

Phone_new_ringing_connection:
Onnewringingconnection
Startincomingcallquery
Showincomingcallui

3. Answer the call
Answer 2: Incoming call interface

Incallscreen. Java internalhandlecallkey-> internalanswercall ()
Phoneutils. answercall (mphone)
Phone. acceptcall ();
Until RIL. Java
Acceptcall

4. Hanging up the current phone call

Incallscreen. Java onclick
Phoneutils. Java hangupactivecall
Hanging up foregroundcall
Hangup (phone. getforegroundcall ());

Static Boolean hangup (call );

Gsmcall. Java hangup ()
Gsmcalltracker. Java hangup (gsmcall call)
{
.......
If (call = foregroundcall)
Hangup (gsmconnection () call. getconnections (). Get (0 ));

}

Gsmcalltracker. Java hangup (gsmconnection conn)
{
Cm. hangupconnection
}
Transfer
Hangupconnection () function in RIL. Java ()

After
Gsmcalltracker. Java
{Conn. ondisconnect (cause );}

Ondisconnect in gsmconnection. Java

Owner. Phone. policydisconnect (this );

5. Process of hanging up the phone when the bell rings
 
What is different from four is hangupringingcall.