Snail—UI学习之自定义键盘及键盘收起(待完善)

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在viewController.h中加入代理

#import <UIKit/UIKit.h>@interface WJJRootViewController : UIViewController <span style="color:#FF0000;"><UITextFieldDelegate></span>@end

viewController.m中代码展示

#import "WJJRootViewController.h"@interface WJJRootViewController (){<span style="color:#FF0000;">UITextField * _textField;</span>
}@end@implementation WJJRootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {// Custom initialization}return self;
}- (void)viewDidLoad
{[super viewDidLoad];self.view.backgroundColor = [UIColor greenColor];// Do any additional setup after loading the view._textF

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