@interface ViewController () @property (nonatomic,strong) NSArray *apps; //获取.plist数据
@end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad]; //九宫格的总列数
int totalColumns=; //1.1个格子的尺寸
CGFloat appW=;
CGFloat appH=; //2.计算间隙 =(控制器view的宽度 -5*应用宽度)/应用宽度+1
CGFloat margin=(self.view.frame.size.width-totalColumns*appW)/(totalColumns+); //3.要的应用个数创建对应的格子 for (int index=; index<self.apps.count; index++)
{
//3.1 创建1个格子
UIView *appView=[[UIView alloc]init]; //设置背景色
appView.backgroundColor=[UIColor redColor]; //3.2计算行号和列号
int row =index /totalColumns;
int col =index % totalColumns; CGFloat appX =margin+ col*(appW + margin);
CGFloat appY =margin+ row*(appH + margin); appView.frame=CGRectMake(appX, appY, appW, appH); //3.3添加格子到控制器的View
[self.view addSubview:appView];
}
}