ios下使用VFL兼容ios6和ios7下的头部显示问题

最新推荐文章于 2024-08-14 23:42:59 发布

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最新推荐文章于 2024-08-14 23:42:59 发布

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分类专栏： ios

本文链接：https://blog.youkuaiyun.com/wanghongios/article/details/23795295

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#import "ViewController.h"
#define TOHEADERHEIGHT ([[[UIDevice currentDevice]systemVersion]floatValue]>=7.0 ? @"64":@"0")
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>

@property (strong, nonatomic)  UITableView *dataTable;

@end

@implementation ViewController
@synthesize dataTable = _dataTable;

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    _dataTable = [[UITableView alloc]init];
    _dataTable.delegate = self;
    _dataTable.dataSource = self;
    //self.automaticallyAdjustsScrollViewInsets = NO;
    [self.view addSubview:_dataTable];
    [self.view setBackgroundColor:[UIColor greenColor]];
    [_dataTable setTranslatesAutoresizingMaskIntoConstraints:NO];
   // [self.view setTranslatesAutoresizingMaskIntoConstraints:NO];
    NSDictionary *metics = @{@"toHeaderLine":TOHEADERHEIGHT};
    [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-toHeaderLine-[_dataTable]-0-|"
                                                                     options:0
                                                                      metrics:metics
                                                                      views:NSDictionaryOfVariableBindings(_dataTable)]];
    [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|-0-[_dataTable]-0-|"
                                                                      options:0
                                                                      metrics:nil
                                                                        views:NSDictionaryOfVariableBindings(_dataTable)]];
}