//
// ViewController.m
// 01-应用管理器
//
#import "ViewController.h"
#import "QYButton.h"
#define QYScreenW [UIScreen mainScreen].bounds.size.width
@interface ViewController ()
@property (nonatomic, strong) NSArray *
apps;
@end
@implementation ViewController
//懒加载apps
-(NSArray *
)apps{
if (_apps ==
nil) {
NSString *path = [[NSBundle mainBundle] pathForResource:
@"apps" ofType:
@"plist"];
_apps =
[NSArray arrayWithContentsOfFile:path];
}
return _apps;
}
- (
void)viewDidLoad {
[super viewDidLoad];
//总列数
int column =
4;
//appView的宽高
CGFloat appViewW =
80;
CGFloat appViewH =
90;
//两个相邻appView之间的间距
CGFloat appViewSpaceX = (QYScreenW - appViewW * column) / (column +
1);
CGFloat appViewSpaceY =
30;
//注意使用通过懒加载方式初始化的apps的时候，必须使用self.apps
for (
int i =
0; i < self.apps.count; i++
) {
//获取每个应用程序的行和列
int appViewRow = i /
column;
int appViewColumn = i %
column;
//计算每个应用的位置
CGFloat appViewX = appViewSpaceX * (appViewColumn +
1) + appViewW *
appViewColumn;
CGFloat appViewY = appViewSpaceY * (appViewRow +
1) + appViewH *
appViewRow;
//添加appView
UIView *appView =
[[UIView alloc] initWithFrame:CGRectMake(appViewX, appViewY, appViewW, appViewH)];
[self.view addSubview:appView];
//appView.backgroundColor = [UIColor redColor];
//添加子视图
//提取当前appView对应的字典
NSDictionary *dict =
self.apps[i];
//添加图标
CGFloat iconW =
40;
CGFloat iconH =
40;
CGFloat iconX = (appViewW - iconW) /
2;
CGFloat iconY =
0;
UIImageView *icon =
[[UIImageView alloc] initWithFrame:CGRectMake(iconX, iconY, iconW, iconH)];
[appView addSubview:icon];
NSString *imageName = dict[
@"icon"];
icon.image =
[UIImage imageNamed:imageName];
//添加标题
CGFloat titleW =
80;
CGFloat titleH =
20;
CGFloat titleX =
0;
CGFloat titleY = iconH +
iconY;
UILabel *title =
[[UILabel alloc] initWithFrame:CGRectMake(titleX, titleY, titleW, titleH)];
[appView addSubview:title];
title.text = dict[
@"name"];
title.font = [UIFont systemFontOfSize:
12.0];
title.textAlignment =
NSTextAlignmentCenter;
//添加下载按钮
CGFloat btnW =
60;
CGFloat btnH =
20;
CGFloat btnX = (appViewW - btnW) /
2;
CGFloat btnY = titleH +
titleY;
QYButton *downLoadBtn =
[QYButton buttonWithType:UIButtonTypeCustom];
[appView addSubview:downLoadBtn];
downLoadBtn.frame =
CGRectMake(btnX, btnY, btnW, btnH);
[downLoadBtn setTitle:@"下载" forState:UIControlStateNormal];
[downLoadBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[downLoadBtn setBackgroundImage:[UIImage imageNamed:@"buttongreen"] forState:UIControlStateNormal];
[downLoadBtn setBackgroundImage:[UIImage imageNamed:@"buttongreen_highlighted"] forState:UIControlStateHighlighted];
downLoadBtn.titleLabel.font = [UIFont systemFontOfSize:
12.0];
[downLoadBtn addTarget:self action:@selector(downLoad:) forControlEvents:UIControlEventTouchUpInside];
#if 0
downLoadBtn.tag = i +
100;
#else
downLoadBtn.linkString = dict[
@"link"];
#endif
}
// Do any additional setup after loading the view, typically from a nib.
}
-(
void)downLoad:(QYButton *
)sender {
#if 0
NSDictionary *dict = self.apps[sender.tag -
100];
NSString *linkString = dict[
@"link"];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:linkString]];
#endif
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:sender.linkString]];
}
- (
void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
效果图：
转载于:https://www.cnblogs.com/longiang7510/p/5317454.html
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