摘要:
1.任何一个程序,无论是基于Mac OS 还是 iOS,程序都是从main.m文件的main函数开始执行的.#import #import "AppDelegate.h" int main(int argc, char * argv[]) { @autoreleasepool { ... 阅读全文
摘要:
UIView *yellowView = [[UIView alloc] initWithFrame:CGRectMake(30, 30, 200, 200)]; yellowView.backgroundColor = [UIColor yellowColor]; [self.wind... 阅读全文