上面的按钮直接给上点击方式就可以了，如有不懂可以交流讨论QQ号:1466534942 时过境迁

#import "ViewController.h"
@interface ViewController ()
{
    UIView * _toolView; //工具栏
    UITextField *textField;// 输入框 呼出键
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    self.view.backgroundColor = [UIColor whiteColor];
    textField = [[UITextField alloc]initWithFrame:CGRectMake(100, 150, 120, 70)];
        textField.placeholder = @"测试";
        textField.keyboardType = UIKeyboardTypeNumberPad;
    textField.backgroundColor =[UIColor redColor];
        [self.view addSubview:textField];
        
        //增加监听，当键盘出现或改变时收出消息
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:)name:UIKeyboardWillShowNotification object:nil];
        //增加监听，当键退出时收出消息
    [[NSNotificationCenter defaultCenter] addObserver:self
     selector:@selector(keyboardWillHide:)
      name:UIKeyboardWillHideNotification object:nil];
  
        //初始化工具栏
        _toolView  = [[UIView alloc]init];
        _toolView.backgroundColor =[UIColor grayColor];
        _toolView.frame = CGRectMake(0, self.view.frame.size.height, self.view.frame.size.width, 50);
        [self.view addSubview:_toolView];
        
        UIButton *losebtn = [UIButton buttonWithType:UIButtonTypeCustom];
        losebtn.frame = CGRectMake(50, 0, 100, 50);
        [losebtn addTarget:self action:@selector(btnClick) forControlEvents:UIControlEventTouchUpInside];
        [losebtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        [losebtn setTitle:@"+86 China" forState:UIControlStateNormal];
        [_toolView addSubview:losebtn];
        
        UIButton *imageBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        [imageBtn setBackgroundImage:[UIImage imageNamed:@""] forState:UIControlStateNormal];
        imageBtn.frame = CGRectMake(self.view.frame.size.width-100, 0, 50, 50);
        [imageBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        [imageBtn addTarget:self action:@selector(imageBtnClick) forControlEvents:UIControlEventTouchUpInside];
        [_toolView addSubview:imageBtn];
        
        UIButton *cameraBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        [cameraBtn setTitle:@"相机" forState:UIControlStateNormal];
        cameraBtn.frame = CGRectMake(self.view.frame.size.width-50, 0, 50, 50);
        [cameraBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        [cameraBtn addTarget:self action:@selector(cameraBtnClick) forControlEvents:UIControlEventTouchUpInside];
        [_toolView addSubview:cameraBtn];
        
        UIButton *canclebtn = [UIButton buttonWithType:UIButtonTypeCustom];
        [canclebtn setTitle:@"取消" forState:UIControlStateNormal];
        canclebtn.frame = CGRectMake(self.view.frame.size.width-150, 0, 50, 50);
        [canclebtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        [canclebtn addTarget:self action:@selector(canclebtnBtnClick) forControlEvents:UIControlEventTouchUpInside];
        [_toolView addSubview:canclebtn];
}
#pragma mark 当键盘出现或改变时调用
- (void)keyboardWillShow:(NSNotification *)aNotification
{
    //键盘弹出时显示工具栏
    //获取键盘的高度
    NSDictionary *userInfo = [aNotification userInfo];
    NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
    CGRect keyboardRect = [aValue CGRectValue];
    float keyBoardHeight = keyboardRect.size.height;
    //    NSLog(@"%ld",(long)keyBoardHeight);
    [UIView animateWithDuration:0.1 animations:^{
        _toolView.frame = CGRectMake(0, 400, self.view.frame.size.width, 50);
    }];   
}
#pragma mark 当键退出时调用
- (void)keyboardWillHide:(NSNotification *)aNotification
{
    //键盘消失时 隐藏工具栏
    [UIView animateWithDuration:0.1 animations:^{
        _toolView.frame = CGRectMake(0, self.view.frame.size.height+10, 100, 50);
    }];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
    [textField resignFirstResponder];
}
@end

自定义键盘.gif