Iphone application process flow

Question

When we run an app which will be get called first to initiate the app into the running state??

Can anyone explain me the process flow in Xcode.

Answer 1

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

along with -

- (void)applicationDidBecomeActive:(UIApplication *)application

We can get more detail information here