iOS应用管理(优化)
//
// ViewController.m
// 01-应用管理
// Created by apple on 17-5-14.
// Copyright (c) 2017年 All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@property(nonatomic,strong)NSArray *apps;
@end
@implementation ViewController
- (NSArray *)apps{
if (_apps == nil) {
// 1.获取plis文件的路径
NSString *path = [[NSBundle mainBundle]pathForResource:@"app.plist" ofType:nil];
// 2.读取文件
_apps = [NSArray arrayWithContentsOfFile:path];
}
return _apps;
}
- (void)viewDidLoad {
[super viewDidLoad];
// 1.设置frame的相关属性
CGFloat appViewW = 100;
CGFloat appViewH = 120;
CGFloat spaceX = 20;
CGFloat spaceY = 30;
CGFloat topMargin = 30;
CGFloat leftMargin = ( self.view.frame.size.width - 3 * appViewW - 2 *spaceX) *0.5;
// 2.创建格子
for (int i = 0; i < self.apps.count; i ++) {
// 2.1创建一个格子视图
UIView *appView = [[UIView alloc]init];
int row = i /3;//行号
int col = i % 3;//列号
CGFloat appViewX = leftMargin + (appViewW + spaceX)*col;
CGFloat appViewY = topMargin + (appViewH + spaceY )*row;
// 2.2设置frame
appView.frame = CGRectMake(appViewX, appViewY, appViewW, appViewH);
// 2.3添加
[self.view addSubview:appView];
// appView.backgroundColor = [UIColor redColor];//设置背景色
NSDictionary *dict = self.apps[i];
// 2.4添加图片
UIImageView *head = [[UIImageView alloc]init];
CGFloat headW = 60;
CGFloat headX = (appViewW - headW) *0.5;
CGFloat headY = 0;
CGFloat headH = 60;
head.image = [UIImage imageNamed:dict[@"icon"]];
head.frame = CGRectMake(headX, headY, headW, headH);
[appView addSubview:head];
// head.backgroundColor = [UIColor blueColor];
// 2.5添加label
// 2.5.1 创建一个文本标签
UILabel *nameLabel = [[UILabel alloc]init];
CGFloat nameLabelX = 0;
CGFloat nameLabelY = headY + headH;
CGFloat nameLabelW = appViewW;
CGFloat nameLabelH = 30;
nameLabel.frame = CGRectMake(nameLabelX, nameLabelY, nameLabelW, nameLabelH);
[appView addSubview:nameLabel];
// nameLabel.backgroundColor = [UIColor grayColor];
nameLabel.text = dict[@"name"];
// 2.5.2设置文字大小
nameLabel.font = [UIFont systemFontOfSize:13];
// 2.5.3设置文字居中
nameLabel.textAlignment = NSTextAlignmentCenter;
// 2.6添加button
UIButton *downLoadBtn = [[UIButton alloc]init];
CGFloat downLoadBtnX = 10;
CGFloat downLoadBtnY = nameLabelY + nameLabelH + 10;
CGFloat downLoadBtnW = appViewW - downLoadBtnX *2;
CGFloat downLoadBtnH = 30;
downLoadBtn.frame = CGRectMake(downLoadBtnX, downLoadBtnY, downLoadBtnW, downLoadBtnH);
[appView addSubview:downLoadBtn];
// downLoadBtn.backgroundColor = [UIColor greenColor];//设置背景色
[downLoadBtn setTitle:@"下载" forState:UIControlStateNormal];//设置文字
[downLoadBtn setBackgroundImage:[UIImage imageNamed:@"buttongreen"] forState:UIControlStateNormal];
[downLoadBtn setBackgroundImage: [UIImage imageNamed:@"buttongreen_highlighted"] forState:UIControlStateHighlighted];
// downLoadBtn.
// 按钮内部至少有两个控件,一个label,一个imageView,
downLoadBtn.titleLabel.font = [UIFont systemFontOfSize:14];
}
}
@end
