在UIView中加入应用下载信息模块

-(void)willMoveToSuperview:(UIView *)newSuperview
{
    NSString *path = [[NSBundle mainBundle]pathForResource:@"books.plist" ofType:nil];
    _books = [NSArray arrayWithContentsOfFile:path];
    
    NSLog(@"%@",_books);
    
    self.frame = newSuperview.bounds;
    self.backgroundColor = [UIColor redColor];
    int totalColumns = 3;
    
    // 应用的尺寸
    CGFloat bookW = 90;
    CGFloat bookH = 125;
    
    // 间隙 = (view的宽度 - 3 * 应用宽度) / 4
    CGFloat marginX = (self.frame.size.width - totalColumns * bookW) / (totalColumns + 1);
    CGFloat marginY = 15;
    
    // 依据应用个数创建相应的框(index)
    for (int index = 0; index<self.books.count; index++) {
        // 创建
        UIView *bookView = [[UIView alloc] init];
        // 设置背景色
        bookView.backgroundColor = [UIColor cyanColor];
        
        // 计算框的位置
        // 计算行号和列号
        int row = index / totalColumns;
        int col = index % totalColumns;
        // 计算x和y
        CGFloat bookX = marginX + col * (bookW + marginX);
        CGFloat bookY = 20 + row * (bookH + marginY);
        // 设置frame
        bookView.frame = CGRectMake(bookX, bookY, bookW, bookH);
        
        //加入框到控制器的view
        [self addSubview:bookView];
        
        // 加入控件
        // index位置相应的应用信息
        NSDictionary *bookInfo = self.books[index];
        
        // 加入图片
        //UIImageView *iconView = [[UIImageView alloc] init];
        UIButton * btn = [UIButton buttonWithType:UIButtonTypeCustom];
        [btn setBackgroundImage:[UIImage imageNamed:bookInfo[@"icon"]] forState:UIControlStateNormal];
        // 设置位置
        CGFloat iconW = 60;
        CGFloat iconH = 80;
        CGFloat iconX = (bookW - iconW) * 0.5;
        CGFloat iconY = 0;
        btn.frame = CGRectMake(iconX, iconY, iconW, iconH);
        [bookView addSubview:btn];
        
        // 加入名字
        UILabel *nameLabel = [[UILabel alloc] init];
        // 设置位置
        CGFloat nameW = bookW;
        CGFloat nameH = 20;
        CGFloat nameX = 0;
        CGFloat nameY = iconY + iconH;
        nameLabel.frame = CGRectMake(nameX, nameY, nameW, nameH);
        // 设置文字
        nameLabel.text = bookInfo[@"name"];
        // 设置字体
        nameLabel.font = [UIFont systemFontOfSize:13];
    
        // 设置文字居中对齐
        nameLabel.textAlignment = NSTextAlignmentCenter;
        [bookView addSubview:nameLabel];
        
        // 加入下载按钮
        UIButton *downloadBtn = [[UIButton alloc] init];
        // 设置位置
        CGFloat downloadX = 12;
        CGFloat downloadY = nameY + nameH;
        CGFloat downloadW = bookW - 2 * downloadX;
        CGFloat downloadH = 20;
        downloadBtn.frame = CGRectMake(downloadX, downloadY, downloadW, downloadH);
        // 设置默认的背景
        
        UIImage *normalImage = [UIImage imageNamed:@"upomp_button_keyboard3"];
        [downloadBtn setBackgroundImage:normalImage forState:UIControlStateNormal];
        // 设置高亮的背景
        UIImage *highImage = [UIImage imageNamed:@"upomp_button_keyboard3_highlighted"];
        [downloadBtn setBackgroundImage:highImage forState:UIControlStateHighlighted];
        // 设置按钮的文字
        [downloadBtn setTitle:@"download" forState:UIControlStateNormal];
       
        // 设置按钮文字的字体
        
        downloadBtn.titleLabel.font = [UIFont systemFontOfSize:13];
        [bookView addSubview:downloadBtn];
    }
    
    

}