iPhone九宫格的实现

看到很多同学在问,其实很简单,我这是用图片堆砌实现的九宫格,分享如下:

效果图:

iPhone九宫格的实现

核心就这2个方法:

[plain]

//Power by ieliwb.com   - (void)viewDidLoad {       [super viewDidLoad];              NSArray* imageNames = [NSArray arrayWithObjects:                                           @"ico_mobile.png",                                            @"ico_idcard.png",                                            @"ico_postcode.png",                                           @"ico_flight.png",                                            @"ico_translate.png",                                           @"ico_phone.png",                                            @"ico_car.png",                                            @"ico_health.png",                                            @"ico_bjxm.png", nil];           UIButton *Btn;       for (int i=0; i<9; i++) {           CGRect frame;           Btn = [[UIButton buttonWithType:UIButtonTypeCustom] retain];           [Btn setImage:[UIImage imageNamed:[imageNames objectAtIndex: i]]forState:UIControlStateNormal];//设置按钮图片                      Btn.tag = i;                      frame.size.width = 59;//设置按钮坐标及大小           frame.size.height = 75;           frame.origin.x = (i%3)*(59+32)+40;           frame.origin.y = floor(i/3)*(75+24)+40;           [Btn setFrame:frame];                      [Btn setBackgroundColor:[UIColor clearColor]];           [Btn addTarget:self action:@selector(btnPressed:)forControlEvents:UIControlEventTouchUpInside];           [self.view addSubview:Btn];           [Btn release];                  }              }       //响应按钮事件   -(void)btnPressed:(id)sender{       UIButton *Btn = (UIButton *)sender;           int index = Btn.tag;              switch (index) {           case 0:               if(mobileController==nil)                   mobileController = [[MobileController alloc]init];               [self.navigationController pushViewController:mobileControlleranimated:YES];               break;           //其他几个控制器类似       }       }  

九宫格背景修改可以这样实现:

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