Le 31 août 2010 à 11:12, Yita Wu a écrit :
(1)Does linphone on Android use JNI to call "SIP library" ? or Does linphone use Java SIP library ?
Yes, Linphone for Android provides a Java binding of the c version of liblinphone, including the sip stack.
(2)Could I modify linphone source code and cross-compiler using Android toolchain ?
Yes, have a look to the README file from the git project linphone-android
(3) How many Android version that linphone can support ?
Every version starting from Android 1.5
(4) How could I modify linphone's Android UI, and re-create my UI to linphone ? and porting my Android phone ?
First, I think you should have a look to Linphone for Android source code from linphone-android git project.
As liblinphone Android java binding follow the c version of liblinphone, you can use the doxygene documentation of liblinphone.