iOS適配各版本

標籤：

1.navigationItem

    if (isBeforeIOS7)    {        UIButton *yes = [UIButton buttonWithType:UIButtonTypeCustom];        yes.frame = CGRectMake(0,0,40,40);        [yes setTitle:@"確定" forState:UIControlStateNormal];        [yes setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];        yes.titleLabel.font=[UIFont systemFontOfSize:16];        [yes addTarget: self action: @selector(selectItemReturn:) forControlEvents: UIControlEventTouchUpInside];        UIBarButtonItem*right=[[UIBarButtonItem alloc]initWithCustomView:yes];        self.navigationItem.rightBarButtonItem=right;    }else    {        UIBarButtonItem *editlButton = [[UIBarButtonItem alloc] initWithTitle:@"確定" style:UIBarButtonItemStyleBordered target:self action:@selector(selectItemReturn:)];        self.navigationItem.rightBarButtonItem = editlButton;        self.navigationItem.rightBarButtonItem.enabled = YES;    }

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2.推送

if (isAfterIOS8)    {        [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings                                                                                 settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge)                                                                                 categories:nil]];        [[UIApplication sharedApplication] registerForRemoteNotifications];    }    else    {        [[UIApplication sharedApplication] registerForRemoteNotificationTypes:             (UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert)];    }

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iOS適配各版本