使用代理控制點擊輸入框，鍵盤升起，頁面上升

//

//  ViewController.m

//  控制鍵盤顯示頁面自動上升

//

//  Created by dc0061 on 16/1/4.

//  Copyright © 2016年 dc0061. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

{

    UITextField *text;

    UITextField *text1;

    UILabel *label;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

    label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 175, 40)];

    label.text=@"測試";

    [self.view addSubview:label];

    

    text = [[UITextField alloc]initWithFrame:CGRectMake(100, 550, 175, 40)];

    text.textAlignment=NSTextAlignmentCenter;

    text.layer.cornerRadius=5;//設置顯示圓角

    text.backgroundColor=[UIColor colorWithWhite:0.9 alpha:0.9];

    [self.view addSubview:text];

    

    text1 = [[UITextField alloc]initWithFrame:CGRectMake(100, 600, 175, 40)];

    text1.textAlignment=NSTextAlignmentCenter;

    text1.layer.cornerRadius=5;//設置顯示圓角

    text1.backgroundColor=[UIColor colorWithWhite:0.9 alpha:0.9];

    [self.view addSubview:text1];

    //在輸入框左側添加一個view

    UIView *views=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 5, 1)];

    text.leftView=views;

    text.leftViewMode = UITextFieldViewModeAlways;

    [self.view addSubview:views];

    

    //監聽鍵盤事件

    NSNotificationCenter *center=[NSNotificationCenter defaultCenter];

    

    [center addObserver:self selector:@selector(keyboard:) name:UIKeyboardWillChangeFrameNotification object:nil];

}

#pragma mark 代理方法

- (void)keyboard : (NSNotification *) noteInfo{

    //獲取鍵盤的高度

    CGRect rect=[noteInfo.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];

    NSLog(@"%@",noteInfo.userInfo);

    self.view.transform=CGAffineTransformMakeTranslation(0, rect.origin.y-self.view.frame.size.height);

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

}

#pragma mark view響應事件

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

    //隱藏鍵盤

    [text resignFirstResponder];

    [text1 resignFirstResponder];

}

@end