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(100, 100, 214, 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