主要代码
//
// ViewController.m
// 创建view-709
//
// Created by apple on 14-7-9.
// Copyright (c) 2014年 戴维营教育. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
// CGPoint origin={0,0};
// CGSize size={50,50};
// CGRect rect={origin,size};
UIView *yellView=[[UIView alloc]init];
yellView.frame=CGRectMake(0, 0, 200, 200);
yellView.backgroundColor=[UIColor yellowColor];
[self.view addSubview:yellView];
UIView *whiteView=[[UIView alloc]init];
whiteView.frame=CGRectMake(0, 0, 100, 100);
whiteView.backgroundColor=[UIColor grayColor];
[yellView addSubview:whiteView];
UIView *redView=[[UIView alloc]init];
redView.frame=CGRectMake(100, 100, 100, 100);
redView.backgroundColor=[UIColor redColor];
[self.view addSubview:redView];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end