(素材源码)猫猫学IOS（二十四）UI之注册案例

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素材代码地址：http://download.csdn.net/detail/u013357243/8614731
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地址：http://blog.csdn.net/u013357243?viewmode=contents

先看效果

代码

NYViewController.m

//
//  NYViewController.m
//  注册
//
//  Created by apple on 15-4-19.
//  Copyright (c) 2015年 znycat. All rights reserved.
//

#import "NYViewController.h"
#import "NYKeyboardTool.h"

@interface NYViewController () <NYKeyboardToolDelegate>{
    NSArray *_fields;//储存所有的TextField
}

//输入框容器view
@property (weak, nonatomic) IBOutlet UIView *inputContainer;

@property (weak, nonatomic) IBOutlet UITextField *birthdayField;
@end

@implementation NYViewController

- (void)viewDidLoad
{
    [super viewDidLoad];


    //1:初始化自定义键盘
    [self setupCustomKeyboard];

    //2:设置每一个textfield的键盘工具栏（inputAccessoryView）
    [self setupKeyboardTool];

    //3:监听键盘的事件
    [self setupKeyboardNotification];
}



//1:初始化自定义键盘
-(void)setupCustomKeyboard
{
    UIDatePicker *datePicker = [[UIDatePicker alloc] init];

    //设置地区
    datePicker.locale = [NSLocale localeWithLocaleIdentifier:@"zh"];

    //设置模式
    datePicker.datePickerMode = UIDatePickerModeDate;

    //把datePicker放到birthday的键盘中
    self.birthdayField.inputView = datePicker;

}

//2:设置每一个textfield的键盘工具栏（inputAccessoryView）
-(void)setupKeyboardTool
{
    //创建工具栏
    NYKeyboardTool *keyboardTool = [NYKeyboardTool keyBoardTool];

    //设置代理
    keyboardTool.delegate = self;


    //1,获取输入框容器的所有子控件
    NSArray *views = [self.inputContainer subviews];
    //创建一个数组储存textField
    NSMutableArray *fieldM = [NSMutableArray array];
    //2，遍历
    for (UIView *childView in views) {
        //如果子控件是UITextField的时候，设置inputAccessoryView
        if ([childView isKindOfClass:[UITextField class]]) {
            UITextField *tf = (UITextField *)childView;
            tf.inputAccessoryView = keyboardTool;
            //把textField添加到数组中。
            [fieldM addObject:tf];
            _fields = fieldM;
        }
    }

}

//3:监听键盘的事件
-(void)setupKeyboardNotification
{
    //建立监听
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(kbFrameChange:) name:UIKeyboardWillChangeFrameNotification object:nil];


}

//键盘的frame的变换
-(void)kbFrameChange:(NSNotification *)noti
{

    //改变window的背景颜色
    self.view.window.backgroundColor = self.inputAccessoryView.backgroundColor;

    //  键盘退出的frame
    CGRect frame = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];


    //键盘实时y
    CGFloat kbEndY = frame.origin.y;

    //获取当前的响应者
     int currentIndex = [self getCurrentResponderIndex];
    UITextField *currentTF = _fields[currentIndex];

    //应该改变的高度：
    CGFloat tfMaxY = CGRectGetMaxY(currentTF.frame) + self.inputContainer.frame.origin.y;
    //如果textfield的最大值在于键盘的y坐，才要往上移
    if (tfMaxY > kbEndY) {
        [UIView animateWithDuration:0.25 animations:^{
            self.view.transform = CGAffineTransformMakeTranslation(0, kbEndY - tfMaxY);
        }];
    }else{
        [UIView animateWithDuration:0.25 animations:^{
            self.view.transform = CGAffineTransformIdentity;
        }];
    }


}

//获取当前  textField的响应者在_fields中的索引
//返回-1代表没有找到
-(int)getCurrentResponderIndex
{
    //遍历所有的textField获取响应值
    for (UITextField *tf in _fields) {
        if (tf.isFirstResponder) {
            return [_fields indexOfObject:tf];
        }
    }
    return -1;
}

//开始触摸的方法
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    //关闭键盘
    [self.view endEditing:YES];
}


#pragma mark - NYKeyboardToolDelegate代理 键盘工具条的代理

-(void)keyboardTool:(NYKeyboardTool *)keyboardTool didClickItemType:(KeyboardItemType)itemType
{

    //获取当前的响应者的索引
    int currentIndex = [self getCurrentResponderIndex];
    NSLog(@"当前的响应者 %d",currentIndex);

    if (itemType == KeyboardItemTypePrevious) {
        NSLog(@"上一个");
        //让上一个field成功响应者
        [self showProviousField:currentIndex];
    }else if(itemType == KeyboardItemTypeNext){
        NSLog(@"下一个");

        //让下一个field成功响应者
        [self showNextField:currentIndex];
    }else{
        NSLog(@"完成");
        [self touchesBegan:nil withEvent:nil];
    }
}


//让上一个field成功响应者
-(void)showProviousField:(int)currentIndex{
    int proviousIndex =  currentIndex - 1;

    if (proviousIndex >= 0  ) {
        UITextField *proviousTf = [_fields objectAtIndex:proviousIndex];
        [proviousTf becomeFirstResponder];
    }

}

//让下一个field成功响应者
-(void)showNextField:(int)currentIndex{
    int nextIndex =  currentIndex + 1;

    //下一个索引不能超过_fields数组的个数
    if (nextIndex < _fields.count) {
        //让当前响应者分发去
        UITextField *currentTf = [_fields objectAtIndex:currentIndex];
        [currentTf resignFirstResponder];

        UITextField *nextTf = [_fields objectAtIndex:nextIndex];
        [nextTf becomeFirstResponder];
    }

}

@end

自定义工具条代码

NYKeyboardTool.h

//
//  NYKeyboardTool.h
//  注册
//
//  Created by apple on 15-4-19.
//  Copyright (c) 2015年 znycat. All rights reserved.
//

#import <UIKit/UIKit.h>

@class NYKeyboardTool;
typedef enum {
    KeyboardItemTypePrevious,//上一个
    KeyboardItemTypeNext,//下一个
    KeyboardItemTypeDone//完成
}KeyboardItemType;


@protocol NYKeyboardToolDelegate <NSObject> 

-(void)keyboardTool:(NYKeyboardTool *)keyboardTool didClickItemType:(KeyboardItemType)itemType;

@end
@interface NYKeyboardTool : UITableViewHeaderFooterView

//添加代理
@property (nonatomic, weak) id<NYKeyboardToolDelegate> delegate;


//创建对象
+(instancetype)keyBoardTool;

@end

---

NYKeyboardTool.m

//
//  NYKeyboardTool.m
//  注册
//
//  Created by apple on 15-4-19.
//  Copyright (c) 2015年 znycat. All rights reserved.
//

#import "NYKeyboardTool.h"

@interface NYKeyboardTool()

/**上一个*/
- (IBAction)previous:(id)sender;
/**下一个*/
- (IBAction)next:(id)sender;
/**完成*/
- (IBAction)done:(id)sender;



@end

@implementation NYKeyboardTool


//创建对象
+(instancetype)keyBoardTool
{
    return [[[NSBundle mainBundle]loadNibNamed:@"NYKeyboardTool" owner:nil options:nil]lastObject];
}



- (IBAction)previous:(id)sender {

    //判断代理有没有实现相应的方法。
    if ([self.delegate respondsToSelector:@selector(keyboardTool:didClickItemType:)]) {
        [self.delegate keyboardTool:self didClickItemType:KeyboardItemTypePrevious];
    }
}

- (IBAction)next:(id)sender {
    //判断代理有没有实现相应的方法。
    if ([self.delegate respondsToSelector:@selector(keyboardTool:didClickItemType:)]) {
        [self.delegate keyboardTool:self didClickItemType:KeyboardItemTypeNext];
    }
}



- (IBAction)done:(id)sender {
    //判断代理有没有实现相应的方法。
    if ([self.delegate respondsToSelector:@selector(keyboardTool:didClickItemType:)]) {
        [self.delegate keyboardTool:self didClickItemType:KeyboardItemTypeDone];
    }
}
@end

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翟乃玉的博客
地址：http://blog.csdn.net/u013357243?viewmode=contents