ios 学习第五天(二)给页面中的 View 添加子 View,上一篇文章已经对 ios 页面进行了说明,接下来就是使用页面,给页面中添加子控件,在上面两篇创建的项目中,进行些许修改,成了现在的。先看效果:
效果:
代码:
修改 ViewController
- //// ViewController.m// HelloIOS//// Created by Moluth on 17/4/10.// Copyright (c) 2017年 Moluth. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor=[[UIColor alloc] initWithRed:0.3f green:0.35f blue:0.85f alpha:1.0f]; UIView *view1=[[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)]//创建view ,view是矩形,0,0表示左上角坐标,后面的100,100代表宽高 view1.backgroundColor=[[UIColor alloc] initWithRed:0.88f green:0.66f blue:0.11f alpha:0.8f];//给新创建的view设置背景颜色,便于观察 [self.view addSubview:view1];//向ViewController中的view中添加子View //下面代码都是对上面的复制和修改,仅仅是坐标和颜色不同 UIView *view2=[[UIView alloc] initWithFrame:CGRectMake(30, 30, 100, 100)]; view2.backgroundColor=[[UIColor alloc] initWithRed:1.0f green:0.0f blue:0.6f alpha:0.8f]; [self.view addSubview:view2]; UIView *view3=[[UIView alloc] initWithFrame:CGRectMake(60, 60, 100, 100)]; view3.backgroundColor=[[UIColor alloc] initWithRed:1.0f green:1.0f blue:0.6f alpha:0.8f]; [self.view addSubview:view3]; UIView *view4=[[UIView alloc] initWithFrame:CGRectMake(90, 90, 100, 100)]; view4.backgroundColor=[[UIColor alloc] initWithRed:0.0f green:1.0f blue:0.0f alpha:0.8f]; [self.view addSubview:view4]; //self.view // Do any additional setup after loading the view, typically from a nib.}- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}@end
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