摘要：
MainViewController.m 1 - (void)viewDidLoad 2 { 3 [super viewDidLoad]; 4 // Do any additional setup after loading the view. 5 TouchView * backView = [[TouchView alloc] initWithFrame:CGRectMake(0, 20, 320, 450)]; 6 [backView setBackgroundColor:[UIColor lightGrayColor]]; 7 [self.vie... 阅读全文
