草稿-九宫格

#import "AppDelegate.h"

@interface AppDelegate ()

@property(nonatomic,strong)NSArray*app;

@end

@implementation AppDelegate

-(NSArray *)app{

    if (_app == nil) {

        NSString*path=[[NSBundle mainBundle]pathForResource:@"app.plist" ofType:nil];

        _app=[NSArray arrayWithContentsOfFile:path];

    }

    return _app;

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // Override point for customization after application launch.

    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];

    self.window.backgroundColor = [UIColor whiteColor];

    [self.window makeKeyAndVisible];

    int totalloc=4;

        CGFloat appvieww=90;

        CGFloat appviewh=90;

        CGFloat margin=(self.window.frame.size.width-totalloc*appvieww)/(totalloc+1);

        for (int i=0; i<self.app.count; i++) {

            NSLog(@"====");

                int row=i/totalloc;//行号

                int loc=i%totalloc;//列号

                CGFloat appviewx=margin+(margin+appvieww)*loc;

                CGFloat appviewy=margin+(margin+appviewh)*row;

                 //创建uiview控件

                 UIView *appview=[[UIView alloc]initWithFrame:CGRectMake(appviewx, appviewy, appvieww, appviewh)];

                 [appview setBackgroundColor:[UIColor brownColor]];

                 [self.window addSubview:appview];

            //创建文本

            UIButton*appbutton=[UIButton buttonWithType:UIButtonTypeSystem];

            appbutton.frame=CGRectMake(0, 50, 80, 20);

            [appbutton setTitle:self.app[i] forState:UIControlStateNormal];

            [appbutton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];

            [appview addSubview:appbutton];

        }

    return YES;

}

草稿-九宫格

原文：http://www.cnblogs.com/sunbinboke/p/4758547.html