最近自己写了一个自带两行输入框的AlertVIew，主要用到了delegate和自动布局。代码贴到这边。
效果如下：
image.png
头文件的：
//
// CommonAlertTextView.h
//
//
// Created by nick on 2018/1/30.
// Copyright © 2018年 nick. All rights reserved.
//
#import <UIKit/UIKit.h>
@protocol CommonAlertTextViewDelegate <NSObject>
@optional
//消失视图
-(void)disclaimerViewTap;
//同意按钮点击
/**
* @param LineOne 用户输入的第一行字符
* @param LineTwo 用户输入的第二行字符
*/
-(void)agreeClickWithLineOne:(NSString *)LineOne andLineTwo:(NSString *)LineTwo;
//不同意按钮点击
-(void)dissAgreeClick;
@end
@interface CommonAlertTextView : UIView
@property (nonatomic, weak) id <CommonAlertTextViewDelegate> delegate;
/**
* @param title 标题
* @param lineTitleOne 第一行标题
* @param lineTitleTwo 第二行输入框标题
* @param placeHoldOne 第一行placeHold
* @param placeHoldTwo 第二行placeHold
*
*/
-(instancetype)initWithTitle:(NSString *)title lineTitleOne:(NSString *)lineTitleOne lineTitleTwo:(NSString *)lineTitleTwo placeHoldOne:(NSString *)placeHoldOne andPlaceHoldTwo:(NSString *)placeHoldTwo;
/**
* @param title 标题
* @param lineTitleOne 第一行标题
* @param lineTitleTwo 第二行输入框标题
* @param placeHoldOne 第一行placeHold
* @param placeHoldTwo 第二行placeHold
* @param LineOne 第一行文字
* @param lineTwo 第二行文字
*/
-(instancetype)initWithTitle:(NSString *)title lineTitleOne:(NSString *)lineTitleOne lineTitleTwo:(NSString *)lineTitleTwo placeHoldOne:(NSString *)placeHoldOne andPlaceHoldTwo:(NSString *)placeHoldTwo LineOne:(NSString *)lineOne andLineTwo:(NSString *)lineTwo;
//距离底部距离
@property (nonatomic)CGFloat offSet;
@end
.m文件的
//
// CommonAlertTextView.m
// Created by on 2018/1/30.
// Copyright © 2018年 . All rights reserved.
//
#import "CommonAlertTextView.h"
@interface CommonAlertTextView()
//点击手势
@property(nonatomic,strong)UITapGestureRecognizer *viewTap;
@property(nonatomic,strong)UIView *view;
//背景View
@property(nonatomic,strong)UIView *backView;
//title
@property(nonatomic,strong)UILabel *titleLabel;
//textView
//@property(nonatomic,strong)UILabel *messageLabel;
//横线
@property(nonatomic,strong)UIView *hengXian;
//竖线
@property(nonatomic,strong)UIView *shuxian;
//同意按钮
@property(nonatomic,strong)UIButton *agreeButton;
//不同意按钮
@property(nonatomic,strong)UIButton *dissAgreeButton;
//view1
@property(nonatomic,strong)UIView *backViewOne;
//view2
@property(nonatomic,strong)UIView *backViewTwo;
//placeHoldLabel1
@property(nonatomic,strong)UILabel *placeHoldLabelOne;
//placeHoldLabel2
@property(nonatomic,strong)UILabel *placeHoldLabelTwo;
//textField1
@property(nonatomic,strong)UITextField *textFieldOne;
//textField2
@property(nonatomic,strong)UITextField *textFieldTwo;
@end
@implementation CommonAlertTextView
#pragma mark - life cycle
-(instancetype)initWithTitle:(NSString *)title lineTitleOne:(NSString *)lineTitleOne lineTitleTwo:(NSString *)lineTitleTwo placeHoldOne:(NSString *)placeHoldOne andPlaceHoldTwo:(NSString *)placeHoldTwo;
{
self = [super init];
if (self) {
self.backgroundColor = [[UIColor blackColor]colorWithAlphaComponent:0.5];
[self addSubview:self.view];
[self.view addGestureRecognizer:self.viewTap];
[self addSubview:self.backView];
[self.backView addSubview:self.titleLabel];
[self.backView addSubview:self.backViewOne];
[self.backViewOne addSubview:self.placeHoldLabelOne];
[self.backViewOne addSubview:self.textFieldOne];
[self.backView addSubview:self.backViewTwo];
[self.backViewTwo addSubview:self.placeHoldLabelTwo];
[self.backViewTwo addSubview:self.textFieldTwo];
[self.backView addSubview:self.hengXian];
[self.backView addSubview:self.shuxian];
[self.backView addSubview:self.agreeButton];
[self.backView addSubview:self.dissAgreeButton];
[self setLabel:self.titleLabel withText:title lineSpacing:7];
[self.placeHoldLabelOne setText:lineTitleOne];
[self.placeHoldLabelTwo setText:lineTitleTwo];
self.textFieldOne.placeholder = placeHoldOne;
self.textFieldTwo.placeholder = placeHoldTwo;
}
return self;
}
-(instancetype)initWithTitle:(NSString *)title lineTitleOne:(NSString *)lineTitleOne lineTitleTwo:(NSString *)lineTitleTwo placeHoldOne:(NSString *)placeHoldOne andPlaceHoldTwo:(NSString *)placeHoldTwo LineOne:(NSString *)lineOne andLineTwo:(NSString *)lineTwo{
self = [super init];
if (self) {
self.backgroundColor = [[UIColor blackColor]colorWithAlphaComponent:0.5];
[self addSubview:self.view];
[self.view addGestureRecognizer:self.viewTap];
[self addSubview:self.backView];
[self.backView addSubview:self.titleLabel];
[self.backView addSubview:self.backViewOne];
[self.backViewOne addSubview:self.placeHoldLabelOne];
[self.backViewOne addSubview:self.textFieldOne];
[self.backView addSubview:self.backViewTwo];
[self.backViewTwo addSubview:self.placeHoldLabelTwo];
[self.backViewTwo addSubview:self.textFieldTwo];
[self.backView addSubview:self.hengXian];
[self.backView addSubview:self.shuxian];
[self.backView addSubview:self.agreeButton];
[self.backView addSubview:self.dissAgreeButton];
[self setLabel:self.titleLabel withText:title lineSpacing:7];
[self.placeHoldLabelOne setText:lineTitleOne];
[self.placeHoldLabelTwo setText:lineTitleTwo];
self.textFieldOne.text = lineOne;
self.textFieldTwo.text = lineTwo;
self.textFieldOne.placeholder = placeHoldOne;
self.textFieldTwo.placeholder = placeHoldTwo;
}
return self;
}
//布局
-(void)layoutSubviews{
[super layoutSubviews];
@weakify(self);
[self.view mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.left.right.top.bottom.equalTo(self);
}];
[self.backView mas_remakeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
if (self.offSet != 0 ) {
make.centerY.equalTo(self.mas_centerY).with.offset(-self.offSet);
make.left.equalTo(self.mas_left).with.offset(30);
make.right.equalTo(self.mas_right).with.offset(-30);
make.height.mas_offset(206);
}else{
make.centerY.equalTo(self.mas_centerY).with.offset(0);
make.left.equalTo(self.mas_left).with.offset(30);
make.right.equalTo(self.mas_right).with.offset(-30);
make.height.mas_offset(206);
}
}];
[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.mas_offset(20);
make.centerX.mas_equalTo(0);
make.width.equalTo(self.backView.mas_width);
make.height.mas_offset(20);
}];
[self.backViewOne mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.equalTo(self.titleLabel.mas_bottom).with.offset(10);
make.left.equalTo(self.backView.mas_left).with.offset(20);
make.right.equalTo(self.backView.mas_right).with.offset(-20);
make.height.mas_offset(40);
}];
[self.placeHoldLabelOne mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.centerY.equalTo(self.backViewOne.mas_centerY);
make.left.equalTo(self.backViewOne.mas_left).with.offset(5);
make.height.mas_offset(20);
make.width.mas_offset(70);
}];
[self.textFieldOne mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.centerY.equalTo(self.backViewOne.mas_centerY);
make.left.equalTo(self.placeHoldLabelOne.mas_right);
make.right.equalTo(self.backViewOne.mas_right).with.offset(-5);
make.height.mas_offset(25);
} ];
[self.backViewTwo mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.equalTo(self.backViewOne.mas_bottom).with.offset(10);
make.left.equalTo(self.backView.mas_left).with.offset(20);
make.right.equalTo(self.backView.mas_right).with.offset(-20);
make.height.mas_offset(40);
}];
[self.placeHoldLabelTwo mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.centerY.equalTo(self.backViewTwo.mas_centerY);
make.left.equalTo(self.backViewTwo.mas_left).with.offset(5);
make.height.mas_offset(20);
make.width.mas_offset(70);
}];
[self.textFieldTwo mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.centerY.equalTo(self.backViewTwo.mas_centerY);
make.left.equalTo(self.placeHoldLabelTwo.mas_right);
make.right.equalTo(self.backViewTwo.mas_right).with.offset(-5);
make.height.mas_offset(25);
}];
[self.hengXian mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.equalTo(self.backViewTwo.mas_bottom).with.offset(15);
make.centerX.equalTo(self.backView.mas_centerX);
make.height.mas_offset(1);
make.width.equalTo(self.backView.mas_width);
}];
[self.shuxian mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.centerX.equalTo(self.backView);
make.top.equalTo(self.hengXian);
make.bottom.equalTo(self.backView);
make.width.mas_offset(1);
}];
[self.agreeButton mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.equalTo(self.hengXian.mas_bottom).with.offset(1);
make.left.equalTo(self.shuxian.mas_right).with.offset(1);
make.bottom.equalTo(self.backView.mas_bottom).with.offset(-1);
make.right.equalTo(self.backView.mas_right);
}];
[self.dissAgreeButton mas_makeConstraints:^(MASConstraintMaker *make) {
@strongify(self);
make.top.equalTo(self.hengXian.mas_bottom).with.offset(1);
make.left.equalTo(self.backView.mas_left).with.offset(1);
make.bottom.equalTo(self.backView.mas_bottom).with.offset(-1);
make.right.equalTo(self.shuxian.mas_left).with.offset(-1);
}];
}
#pragma mark - action Method
//点击其他区域
- (void)viewTap:(UIGestureRecognizer *)gesture {
if ([_delegate respondsToSelector:@selector(disclaimerViewTap)]) {
[_delegate disclaimerViewTap];
[MainWindow endEditing:YES];
}
}
//不同意
-(void)dissAgreeButtonClick{
if ([_delegate respondsToSelector:@selector(dissAgreeClick)]) {
[_delegate dissAgreeClick];
}
}
//同意
-(void)agreeButtonClick{
if ([_delegate respondsToSelector:@selector(agreeClickWithLineOne:andLineTwo:)]) {
[_delegate agreeClickWithLineOne:self.textFieldOne.text andLineTwo:self.textFieldTwo.text];
}
}
/**
设置文本,并指定行间距
@param label 要改的label
@param text 文本内容
@param lineSpacing 行间距
*/
-(void)setLabel:(UILabel *)label withText:(NSString*)text lineSpacing:(CGFloat)lineSpacing{
if (!text || lineSpacing < 0.01) {
label.text = text;
return;
}
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
[paragraphStyle setLineSpacing:lineSpacing]; //设置行间距
[paragraphStyle setLineBreakMode:label.lineBreakMode];
[paragraphStyle setAlignment:label.textAlignment];
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:text];
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [text length])];
label.attributedText = attributedString;
}
/ **
* 获取颜色 含有alpha
*
* @param color 6位16进制字符串
* @param alpha 透明度
*
* @return 颜色
*/
- (UIColor *)colorWithHexString:(NSString *)color alpha:(CGFloat)alpha {
NSString *cString = [[color stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
if ([cString length] < 6) {
return [UIColor clearColor];
}
if ([cString hasPrefix:@"0X"]) {
cString = [cString substringFromIndex:2];
}
if ([cString hasPrefix:@"#"]) {
cString = [cString substringFromIndex:1];
}
if ([cString length] != 6) {
return [UIColor clearColor];
}
NSRange range;
range.location = 0;
range.length = 2;
NSString *rString = [cString substringWithRange:range];
range.location = 2;
NSString *gString = [cString substringWithRange:range];
range.location = 4;
NSString *bString = [cString substringWithRange:range];
unsigned int r, g, b;
[[NSScanner scannerWithString:rString] scanHexInt:&r];
[[NSScanner scannerWithString:gString] scanHexInt:&g];
[[NSScanner scannerWithString:bString] scanHexInt:&b];
return [UIColor colorWithRed:((float)r / 255.0f) green:((float)g / 255.0f) blue:((float)b / 255.0f) alpha:alpha];
}
/**
* 获取颜色
*
* @param color 6位16进制字符串
*
* @return 颜色
*/
- (UIColor *)colorWithHexString:(NSString *)color {
return [self colorWithHexString:color alpha:1];
}
#pragma mark - getter and setter
-(UITapGestureRecognizer *)viewTap{
if (!_viewTap) {
_viewTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewTap:)];
}
return _viewTap;
}
-(UIView *)view{
if (!_view) {
_view = [[UIView alloc]init];
_view.userInteractionEnabled = YES;
_view.backgroundColor = [[UIColor blackColor]colorWithAlphaComponent:0.5];
}
return _view;
}
//背景View
-(UIView *)backView{
if (!_backView) {
_backView = [[UIView alloc]init];
_backView.backgroundColor = [self colorWithHexString:@"#f2f2f2"];
_backView.userInteractionEnabled = YES;
_backView.layer.masksToBounds = YES;
_backView.layer.cornerRadius = 5;
}
return _backView;
}
//title
-(UILabel *)titleLabel{
if (!_titleLabel) {
_titleLabel = [[UILabel alloc]init];
_titleLabel.font = [UIFont systemFontOfSize:17];
_titleLabel.textAlignment = NSTextAlignmentCenter;
_titleLabel.textColor = [UIColor blackColor];
}
return _titleLabel;
}
//横线
-(UIView *)hengXian{
if (!_hengXian) {
_hengXian = [[UIView alloc]init];
_hengXian.backgroundColor = [self colorWithHexString:@"#e8e8e8"];
}
return _hengXian;
}
//竖线
-(UIView *)shuxian{
if (!_shuxian) {
_shuxian = [[UIView alloc]init];
_shuxian.backgroundColor = [self colorWithHexString:@"#e8e8e8"];
}
return _shuxian;
}
//同意按钮
-(UIButton *)agreeButton{
if (!_agreeButton) {
_agreeButton = [UIButton buttonWithType:UIButtonTypeCustom];
[_agreeButton setTitle:@"确定" forState:UIControlStateNormal];
[_agreeButton.titleLabel setFont:[UIFont systemFontOfSize:15]];
[_agreeButton setTitleColor:[self colorWithHexString:@"007edd"] forState:UIControlStateNormal];
[_agreeButton addTarget:self action:@selector(agreeButtonClick) forControlEvents:UIControlEventTouchUpInside];
}
return _agreeButton;
}
//不同意按钮
-(UIButton *)dissAgreeButton{
if (!_dissAgreeButton) {
_dissAgreeButton = [UIButton buttonWithType:UIButtonTypeCustom];
[_dissAgreeButton setTitle:@"取消" forState:UIControlStateNormal];
[_dissAgreeButton.titleLabel setFont:[UIFont systemFontOfSize:15]];
[_dissAgreeButton setTitleColor:[self colorWithHexString:@"#535364"] forState:UIControlStateNormal];
[_dissAgreeButton addTarget:self action:@selector(dissAgreeButtonClick)forControlEvents:UIControlEventTouchUpInside];
}
return _dissAgreeButton;
}
//view1
-(UIView *)backViewOne{
if (!_backViewOne) {
_backViewOne = [[UIView alloc]init];
_backViewOne.backgroundColor = [UIColor whiteColor];
_backViewOne.layer.masksToBounds = YES;
_backViewOne.layer.cornerRadius = 5.0;
_backViewOne.layer.borderColor = [self colorWithHexString:@"e6e6e6"].CGColor;
_backViewOne.layer.borderWidth = 1;
}
return _backViewOne;
}
//view2
-(UIView *)backViewTwo{
if (!_backViewTwo) {
_backViewTwo = [[UIView alloc]init];
_backViewTwo.backgroundColor = [UIColor whiteColor];
_backViewTwo.layer.masksToBounds = YES;
_backViewTwo.layer.cornerRadius = 5.0;
_backViewTwo.layer.borderColor = [self colorWithHexString:@"e6e6e6"].CGColor;
_backViewTwo.layer.borderWidth = 1;
}
return _backViewTwo;
}
//placeHoldLabel1
-(UILabel *)placeHoldLabelOne{
if (!_placeHoldLabelOne) {
_placeHoldLabelOne = [[UILabel alloc]init];
// _placeHoldLabelOne.backgroundColor = [UIColor yellowColor];
_placeHoldLabelOne.textColor =[self colorWithHexString:@"#535364"];
_placeHoldLabelOne.font = [UIFont systemFontOfSize:13];
_placeHoldLabelOne.textAlignment = NSTextAlignmentCenter;
}
return _placeHoldLabelOne;
}
//placeHoldLabel2
-(UILabel *)placeHoldLabelTwo{
if (!_placeHoldLabelTwo) {
_placeHoldLabelTwo = [[UILabel alloc]init];
// _placeHoldLabelTwo.backgroundColor = [UIColor yellowColor];
_placeHoldLabelTwo.textColor =[self colorWithHexString:@"#535364"];
_placeHoldLabelTwo.font = [UIFont systemFontOfSize:13];
_placeHoldLabelTwo.textAlignment = NSTextAlignmentCenter;
}
return _placeHoldLabelTwo;
}
//textField1
-(UITextField *)textFieldOne{
if (!_textFieldOne) {
_textFieldOne =[[UITextField alloc]init];
_textFieldOne.font = [UIFont systemFontOfSize:14];
_textFieldOne.textColor = [self colorWithHexString:@"#535364"];
_textFieldOne.clearButtonMode = YES;
// _textFieldOne.backgroundColor = [UIColor blueColor];
}
return _textFieldOne;
}
//textField2
-(UITextField *)textFieldTwo{
if (!_textFieldTwo) {
_textFieldTwo =[[UITextField alloc]init];
_textFieldTwo.font = [UIFont systemFontOfSize:14];
_textFieldTwo.textColor = [self colorWithHexString:@"#535364"];
_textFieldTwo.clearButtonMode = YES;
// _textFieldTwo.backgroundColor = [UIColor blueColor];
}
return _textFieldTwo;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/
@end
