问目标c访问另一个ios应用程序

EN

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"my2ndapp://somedata"]];

(BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
  //do something with url if you need to, you can use it to tell yuor 2nd app do different things
openedFromURL=YES;//set bool flag, add this BOOL var in .h of appdelegate
return YES;
}

-(void)applicationDidBecomeActive:(UIApplication*)application{
if(!openedFromURL){return;}
//run method from viewcontroller you want, import it in .m and add it in .h of your appdelegate
MyViewController * myvc = [[MyViewController alloc]init];
[myvc myMethodHere];
openedFromURL=NO;//drop flag
}