iOS系统键盘上的输入框简单实现
#import
NS_ASSUME_NONNULL_BEGIN
@interface WYPSeparateSetCodeView : UIView
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *bottomViewLayout;
@property (weak, nonatomic) IBOutlet UIView *bottomView;
@property (weak, nonatomic) IBOutlet UITextField *phoneNumTextFiled;
@property (weak, nonatomic) IBOutlet UITextField *codeNumTextFiled;
@property (weak, nonatomic) IBOutlet UIButton *sendBtn;
+(instancetype)wYPSeparateSetCodeView;
@end
NS_ASSUME_NONNULL_END
#import "WYPSeparateSetCodeView.h"
@implementation WYPSeparateSetCodeView
+(instancetype)wYPSeparateSetCodeView{
return [[[NSBundle mainBundle]loadNibNamed:@"WYPSeparateSetCodeView" owner:nil options:nil]lastObject];
}
-(void)layoutSubviews{
[super layoutSubviews];
self.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.5];
}
#import "WYPSeparateSetCodeView.h"
@property (nonatomic, strong) WYPSeparateSetCodeView * setCodeView;
#pragma mark - lazy
-(WYPSeparateSetCodeView *)setCodeView{
if (!_setCodeView) {
_setCodeView = [WYPSeparateSetCodeView wYPSeparateSetCodeView];
_setCodeView.width = SCREEN_WIDTH;
self.setCodeView.bottomViewLayout.constant = 0;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapCodeViewClick)];
[_setCodeView addGestureRecognizer:tap];
[_setCodeView.sendBtn addTarget:self action:@selector(sendCodeBtnClicked:) forControlEvents:UIControlEventTouchUpInside];
}
return _setCodeView;
}
IQKeyboardManager *manager = [IQKeyboardManager sharedManager];
manager.enable = NO;//YES是激活NO禁止这个类
//监听键盘弹出或收回通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardChange:) name:UIKeyboardWillChangeFrameNotification object:nil];
UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;
self.setCodeView.frame = keyWindow.frame;
[keyWindow addSubview:self.setCodeView];
self.setCodeView.hidden = YES;
//当键盘frame改变(弹出和收回)时的操作：
- (void)keyboardChange:(NSNotification *)note{
//拿到键盘弹出的frame
CGRect frame = [note.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
//键盘弹出所需时长
CGFloat duration = [note.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
//修改底部输入框的约束
[UIView animateWithDuration:0.5 animations:^{
self.setCodeView.bottomView.y = frame.origin.y - 180;
} completion:^(BOOL finished) {
}];
//添加输入框弹出和收回动画
[UIView animateWithDuration:duration animations:^{
//立即刷新进行重新布局
[self.setCodeView layoutIfNeeded];
}];
}
//移除通知
- (void)dealloc{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
-(void)createAcountCoudeView{
self.setCodeView.hidden = NO;
[self.setCodeView.phoneNumTextFiled becomeFirstResponder];
}
-(void)tapCodeViewClick{
[self codeViewHiddenAndEndEditing];
}
-(void)sendCodeBtnClicked:(UIButton *)sender{
[self codeViewHiddenAndEndEditing];
}
-(void)codeViewHiddenAndEndEditing{
[self.setCodeView endEditing:YES];
self.setCodeView.hidden = YES;
}