//

 //  RootViewController.m

 //  九宫格坐标计算

 //

 //  Created by lovestarfish on 15/11/1.

 //  Copyright © 2015年 S&G. All rights reserved.

 //

 #import "RootViewController.h"

 @interface RootViewController ()

 //* 数据源数组 /

 @property (nonatomic,retain) NSArray *apps;

 @end

 @implementation RootViewController

 - (NSArray *)apps {

     //1. 加载数据

     if (!_apps) {

         NSString *filePath = [[NSBundle mainBundle] pathForResource:@"app" ofType:@"plist"];

         NSDictionary *dic = [NSDictionary dictionaryWithContentsOfFile:filePath];

         self.apps = dic[@"app"];

     }

     return _apps;

 }

 - (void)viewDidLoad {

     [super viewDidLoad];

     self.title = @"九宫格展示";

     //2. 完成布局设计

     //三列

     int totalloc = ;

     CGFloat appViewWidth = ;

     CGFloat appViewHeight = ;

     CGFloat margin = (self.view.frame.size.width- totalloc * appViewWidth) / (totalloc + );

     int appCount = (int)self.apps.count;

     for (int i = ; i < appCount; i++) {

         int row = i / totalloc;//行号

         int loc = i % totalloc;//列号

         CGFloat appViewX = margin + (margin + appViewWidth) * loc;

         CGFloat appViewY = margin + (margin + appViewHeight) * row;

         //创建UIView控件

         UIView *appView = [[UIView alloc] initWithFrame:CGRectMake(appViewX, appViewY + , appViewWidth, appViewHeight)];

         [self.view addSubview:appView];

         [appView release];

         //创建UIView控件中的子视图

         UIImageView *appImageView = [[UIImageView alloc] initWithFrame:CGRectMake(, , , )];

         appImageView.image = [UIImage imageNamed:self.apps[i][@"image"]];

         appImageView.contentMode = UIViewContentModeScaleAspectFit;

         [appView addSubview:appImageView];

         [appImageView release];

         //创建文本标签

         UILabel *appLabel = [[UILabel alloc] initWithFrame:CGRectMake(, , , )];

         appLabel.text = self.apps[i][@"name"];

         appLabel.textAlignment = NSTextAlignmentCenter;

         appLabel.font = [UIFont systemFontOfSize:];

         [appView addSubview:appLabel];

         [appLabel release];

         //创建按钮

         UIButton *appButton = [UIButton buttonWithType:UIButtonTypeSystem];

         appButton.frame = CGRectMake(, , , );

         [appButton setTitle:@"下载" forState:UIControlStateNormal];

         appButton.backgroundColor = [UIColor greenColor];

         appButton.titleLabel.font = [UIFont systemFontOfSize:];

         [appButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

         [appView addSubview:appButton];

         [appButton addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

     }

 }

 /**

  *  下载按钮的响应事件

  */

 - (void)click {

     //动画标签

     UILabel *animaLabel = [[UILabel alloc] initWithFrame:CGRectMake(self.view.center.x - , self.view.center.y -  + , , )];

     animaLabel.text = @"下载成功";

     animaLabel.font = [UIFont systemFontOfSize:];

     animaLabel.textAlignment = NSTextAlignmentCenter;

     animaLabel.backgroundColor = [UIColor brownColor];

     animaLabel.alpha = ;

     [self.view addSubview:animaLabel];

     [animaLabel release];

     //执行完之后,还得把这给删除了,推荐使用block动画

     [UIView animateWithDuration:4.0 animations:^{

         animaLabel.alpha = 1.0;

     } completion:^(BOOL finished) {

         [animaLabel removeFromSuperview];

     }];

 }

 - (void)didReceiveMemoryWarning {

     [super didReceiveMemoryWarning];

 }

 @end