IOS UI-键盘处理和UIToolbar

 //
 //  ViewController.m
 //  IOS_0225-键盘处理和UIToolBar
 //
 //  Created by ma c on 16/2/25.
 //  Copyright © 2016年 博文科技. All rights reserved.
 //

 #import "ViewController.h"

 @interface ViewController ()

 @property (nonatomic, strong) UITextField *textField;

 @end

 @implementation ViewController

 - (void)viewDidLoad {
     [super viewDidLoad];
     self.view.backgroundColor = [UIColor cyanColor];

     [self createTextField];
 }

 - (void)createTextField
 {
     self.textField = [[UITextField alloc] initWithFrame:CGRectMake(, , , 44.0)];
     self.textField.borderStyle = UITextBorderStyleRoundedRect;
     self.textField.placeholder = @"请输入内容";
     self.textField.clearButtonMode = UITextFieldViewModeAlways;
     [self.view addSubview:self.textField];

     //自定义文本框的键盘
     self.textField.inputView = [UIButton buttonWithType:UIButtonTypeContactAdd];
     //自定义文本框上面的辅助工具控件
     UIToolbar *toolBar = [[UIToolbar alloc] init];
     [toolBar sizeToFit];
     toolBar.barTintColor = [UIColor redColor];

     UIBarButtonItem *item1 = [[UIBarButtonItem alloc] initWithTitle:@"上一个" style:UIBarButtonItemStylePlain target:self action:@selector(previewClick)];
     UIBarButtonItem *item2 = [[UIBarButtonItem alloc] initWithTitle:@"下一个" style:UIBarButtonItemStylePlain target:self action:@selector(nextClick)];
     UIBarButtonItem *item3 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
     UIBarButtonItem *item4 = [[UIBarButtonItem alloc] initWithTitle:@"完成" style:UIBarButtonItemStylePlain target:self action:@selector(doneClick)];
     toolBar.items = @[item1,item2,item3,item4];
     self.textField.inputAccessoryView = toolBar;

 }

 - (void)previewClick
 {
     NSLog(@"上一个");
 }

 - (void)nextClick
 {
     NSLog(@"下一个");
 }

 - (void)doneClick
 {
     [self.view endEditing:YES];
 }

 @end