纪易达,胜似黎明前的琉璃色,清明放几天假
本文实例为大家分享了ios自定义身份证键盘的具体代码，供大家参考，具体内容如下
项目中有需要需要身份证的输入框, 用自带的输入切换很麻烦(如果最后一位带x), 所以自定义一个身份证输入键盘.
自定义键盘的关键: self.textfield.inputview = [自定义的view],
支持长按一直删除
demo地址
开始自定义
1. 创建一个集成自uiview的视图 (nylidkeyboard)
nylidkeyboard.h
// // nylidkeyboard.h // lqz // // created by 聂银龙 on 2017/9/7. // copyright © 2017年 lqz. all rights reserved. // 身份证键盘 #import <uikit/uikit.h> @class nylidkeyboard; @protocol nykidkeyboarddelegate <nsobject> @optional /** 点击按钮代理回调 @param idkeyboard 本类 @param inputstring 点击按钮拼接后的字符串 */ - (void)idkeyboard:(nylidkeyboard *)idkeyboard inputsring:(nsmutablestring *)inputstring; @end @interface nylidkeyboard : uiview @property(nonatomic, assign) id<nykidkeyboarddelegate>delegate; // 输入的字符串 @property(nonatomic, strong) nsmutablestring *inputstring; @end
nylidkeyboard.m
我要评论
//
// nylidkeyboard.m
// lqz
//
// created by 聂银龙 on 2017/9/7.
// copyright © 2017年 lqz. all rights reserved.
//
#import "nylidkeyboard.h"
#define rgb(r,g,b) [uicolor colorwithred:r/255.0 green:g/255.0 blue:b/255.0 alpha:1.0]
// 屏幕高度
#define screen_height [[uiscreen mainscreen] bounds].size.height
// 屏幕宽度
#define screen_width [[uiscreen mainscreen] bounds].size.width
#define getsize(num) (screen_width/375*num)
@implementation nylidkeyboard
/*
// only override drawrect: if you perform custom drawing.
// an empty implementation adversely affects performance during animation.
- (void)drawrect:(cgrect)rect {
// drawing code
}
*/
- (instancetype)initwithframe:(cgrect)frame
{
self = [super initwithframe:frame];
if (self) {
self.inputstring = [nsmutablestring string];
[self initviewframe:frame];
}
return self;
}
- (void)initviewframe:(cgrect)frame {
self.userinteractionenabled = yes;
cgfloat width = frame.size.width;
cgfloat height = frame.size.height;
//
// uiview *topbgview = nil;
// topbgview = [[uiview alloc] initwithframe:cgrectmake(-1, 0, width +2, 40)];
// topbgview.backgroundcolor = rgb(249, 249, 249);//[uicolor colorwithwhite:0.92 alpha:0.92];
// topbgview.userinteractionenabled = yes;
// topbgview.layer.bordercolor = rgb(214, 213, 214).cgcolor;
// topbgview.layer.borderwidth = 0.6;
// topbgview.alpha = 0.99;
// [self addsubview:topbgview];
//
// uibutton *okbtn = [uibutton buttonwithtype:(uibuttontypecustom)];
// okbtn.frame = cgrectmake(screen_width-50-4, 0, 50, 40);
// [okbtn settitle:@"完成" forstate:(uicontrolstatenormal)];
// [okbtn settitlecolor:base_backgroung_blue_color forstate:(uicontrolstatenormal)];
// [okbtn settitlecolor:[uicolor bluecolor] forstate:(uicontrolstatehighlighted)];
// [topbgview addsubview:okbtn];
// [okbtn addtarget:self action:@selector(okbtnclick) forcontrolevents:(uicontroleventtouchupinside)];
nsinteger totalcolumns = 3; // 总列数
cgfloat cellw = width/3; // 每个格子的宽度
cgfloat cellh = getsize(54); // 格子高度
nsarray *titles = @[@"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", @"x", @"0", @""];
for (int i = 0; i < titles.count ; i++) {
int row = i / totalcolumns; // 行
int col = i % totalcolumns; // 列
//根据行号和列号来确定 子控件的坐标
cgfloat cellx = col * cellw;
cgfloat celly = row * cellh;
uibutton *btn = [uibutton buttonwithtype:(uibuttontypecustom)];
btn.frame = cgrectmake(cellx, celly, cellw, cellh);
[btn settitle:titles[i] forstate:(uicontrolstatenormal)];
btn.titlelabel.font = [uifont boldsystemfontofsize:20];
[btn settitlecolor:[uicolor blackcolor] forstate:(uicontrolstatenormal)];
[btn setbackgroundimage:[uiimage imagenamed:@"nyl_keyboard_white"] forstate:(uicontrolstatenormal)];
[btn setbackgroundimage:[uiimage imagenamed:@"nyl_keyboard"] forstate:(uicontrolstatehighlighted)];
[self addsubview:btn];
btn.tag = 100 + i;
//nslog(@"%.2f === %.2f == %.2f", btn.left, cellx, btn.bottom);
[btn addtarget:self action:@selector(actionbtnclick:) forcontrolevents:(uicontroleventtouchupinside)];
if (btn.tag == 111) { // 删除按钮
//button长按事件
uilongpressgesturerecognizer *longpress = [[uilongpressgesturerecognizer alloc] initwithtarget:self action:@selector(btnlong:)];
//longpress.minimumpressduration = ; //定义按的时间
[btn addgesturerecognizer:longpress];
// 删除按钮上面加图片
uiimageview *delimagev = [[uiimageview alloc] init];
delimagev.image = [uiimage imagenamed:@"nylkeyboard_del"];
cgfloat img_width = cellw / 4.6;
cgfloat img_height = img_width * 30 / 40; // 比例高度
delimagev.frame = cgrectmake( (cellw - img_width) / 2, (cellh - img_height) / 2, img_width, img_height);
[btn addsubview:delimagev];
}
}
//cgfloat topbottom = topbgview.bottom;
// 竖线
for (int i = 0; i < 2; i++) {
uiview *line = [[uiview alloc] initwithframe:cgrectmake(cellw + i * (cellw), 0, 0.5, height)];
line.backgroundcolor = rgb(214, 213, 214);
[self addsubview:line];
}
// 横线
for (int i = 0; i < 3; i++) {
uiview *line = [[uiview alloc] initwithframe:cgrectmake(0, cellh+ i * cellh, width, 0.5)];
line.backgroundcolor = rgb(214, 213, 214);
[self addsubview:line];
}
}
- (void)okbtnclick {
[self removefromsuperview];
if (_delegate && [_delegate respondstoselector:@selector(idkeyboard:inputsring:)]) {
[_delegate idkeyboard:self inputsring:self.inputstring];
}
}
- (void)actionbtnclick:(uibutton *)btn {
nslog(@"自定义键盘按钮方法===== %@", btn.titlelabel.text);
if (btn.tag == 111 && self.inputstring.length > 0) {
[self.inputstring deletecharactersinrange:nsmakerange(self.inputstring.length-1, 1)];
} else {
if (btn.tag != 111) {
[self.inputstring appendstring:btn.titlelabel.text];
}
}
if (_delegate && [_delegate respondstoselector:@selector(idkeyboard:inputsring:)]) {
[_delegate idkeyboard:self inputsring:self.inputstring];
}
}
#pragma mark - 长按钮删除
-(void)btnlong:(uilongpressgesturerecognizer *)gesturerecognizer{
if (self.inputstring.length > 0) {
[self.inputstring deletecharactersinrange:nsmakerange(self.inputstring.length-1, 1)];
nslog(@"长按==== %@", self.inputstring);
if (_delegate && [_delegate respondstoselector:@selector(idkeyboard:inputsring:)]) {
[_delegate idkeyboard:self inputsring:self.inputstring];
}
}
}
@end
在controller中使用
//
// viewcontroller.m
// nyl_idcardkeyboard
//
// created by 聂银龙 on 2017/9/8.
// copyright © 2017年 聂银龙. all rights reserved.
//
#import "viewcontroller.h"
#import "nylidkeyboard.h"
// 屏幕高度
#define screen_height [[uiscreen mainscreen] bounds].size.height
// 屏幕宽度
#define screen_width [[uiscreen mainscreen] bounds].size.width
#define getsize(num) (screen_width/375*num)
@interface viewcontroller ()<nykidkeyboarddelegate>
@property (weak, nonatomic) iboutlet uitextfield *textfield;
@property(nonatomic, strong) nylidkeyboard *idkeyboard;
@end
@implementation viewcontroller
- (void)viewdidload {
[super viewdidload];
// 设置自定义键盘
self.textfield.inputview = self.idkeyboard;
}
#pragma mark - 输入代理回调
- (void)idkeyboard:(nylidkeyboard *)idkeyboard inputsring:(nsmutablestring *)inputstring {
_textfield.text = inputstring;
}
- (void)touchesended:(nsset<uitouch *> *)touches withevent:(uievent *)event {
[self.textfield resignfirstresponder];
}
// 身份证键盘
- (nylidkeyboard *)idkeyboard {
if (!_idkeyboard) {
_idkeyboard = [[nylidkeyboard alloc] initwithframe:cgrectmake(0, screen_height - getsize(216), screen_width, getsize(216) )];
_idkeyboard.delegate = self;
}
return _idkeyboard;
}
- (void)didreceivememorywarning {
[super didreceivememorywarning];
// dispose of any resources that can be recreated.
}
@end
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。
如对本文有疑问，请在下面进行留言讨论，广大热心网友会与你互动！！ 点击进行留言回复
网友评论