I have a requirement like this.

1)I would like to develop a application which will replace
or which will coexist with the existing mobile application.

2)My application should be able to access SMS,Make /take
calls,access phone book of the orginal application,

3)I should have comm as well as bluetooth communication
thugh which my applicaiton can receive inputs.

now my doubt is .

1) I do not find any API to access Phone information like
address book info etc.

a) JSR 75 is jst out and it wuld take some time to be in
Market.
b) Motorola has some provided API for accessing Phone
resources.I dont find
for other providers

2)I should load and unload my application with out
effectiog the orginal mobile application.Will
PushRegistry allow my application to simultanesly listen.

3)Will the mobiles in general would be able to have memory
available ap as big as to hold another mobile
applications.






regards

siva