In article
<accbb1b2-96cb-4c8e-8055-5c11c1c6681c@d4g2000prg.googlegroups.com>,
> Im try to use ABPeoplePickerView simply drag and drop it to my
> mainWindow from Interface builder,but when i build my application it
> can't launch at all and gdb program is loaded,
>
> Can anyone tell my what is happing
Yes: you neglected to add the AddressBook.framework framework to your
project, so there is no code for the nob to call.