80 lines
2.6 KiB
Objective-C
80 lines
2.6 KiB
Objective-C
//
|
|
// ConnectHotpotViewController.m
|
|
// Ifish
|
|
//
|
|
// Created by Minghao Xue on 2018/7/16.
|
|
// Copyright © 2018年 lianlian. All rights reserved.
|
|
//
|
|
|
|
#import "ConnectHotpotViewController.h"
|
|
|
|
@interface ConnectHotpotViewController ()<UITextFieldDelegate>
|
|
@property (weak, nonatomic) IBOutlet UIScrollView *scrollView;
|
|
@property (strong, nonatomic) IBOutletCollection(UIImageView) NSArray *dashView;
|
|
@property (weak, nonatomic) IBOutlet UITextField *pwdTf;
|
|
@property (weak, nonatomic) IBOutlet UIView *containerView;
|
|
|
|
@end
|
|
|
|
@implementation ConnectHotpotViewController
|
|
|
|
- (void)viewDidLoad {
|
|
[super viewDidLoad];
|
|
self.title = @"热点连接";
|
|
|
|
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keybordframeChanged:) name:UIKeyboardDidChangeFrameNotification object:nil];
|
|
for (UIImageView *view in self.dashView) {
|
|
view.backgroundColor = [UIColor clearColor];
|
|
view.image = [self imageWithLineWithSize:view.frame.size];
|
|
}
|
|
}
|
|
|
|
- (UIImage *)imageWithLineWithSize:(CGSize)size{
|
|
CGFloat width = size.width;
|
|
UIGraphicsBeginImageContext(size);
|
|
CGContextSetLineCap(UIGraphicsGetCurrentContext(), kCGLineCapRound);
|
|
CGFloat lengths[] = {10,5};
|
|
CGContextRef line = UIGraphicsGetCurrentContext();
|
|
CGContextSetStrokeColorWithColor(line, [UIColor colorWithRed:133/255.0 green:133/255.0 blue:133/255.0 alpha:1.0].CGColor);
|
|
CGContextSetLineDash(line, 0, lengths, 1);
|
|
CGContextMoveToPoint(line, 0, 1);
|
|
CGContextAddLineToPoint(line, width-10, 1);
|
|
CGContextStrokePath(line);
|
|
return UIGraphicsGetImageFromCurrentImageContext();
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
}
|
|
|
|
- (void)keybordframeChanged:(NSNotification *)no {
|
|
NSDictionary *userInfo = no.userInfo;
|
|
|
|
// 动画的持续时间
|
|
double duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
|
|
|
|
// 键盘的frame
|
|
CGRect keyboardF = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
|
|
keyboardF = [self.view convertRect:keyboardF fromView:self.view];
|
|
CGRect containerViewF = [self.view convertRect:self.containerView.frame fromView:self.scrollView];
|
|
|
|
CGFloat miniSpacing = 4;
|
|
|
|
CGFloat offset = CGRectGetMaxY(containerViewF) + miniSpacing - CGRectGetMinY(keyboardF);
|
|
if (offset <= 0) {
|
|
offset = 0;
|
|
}
|
|
[UIView animateWithDuration:duration animations:^{
|
|
self.scrollView.contentInset = UIEdgeInsetsMake(-offset, 0, 0, 0);
|
|
}];
|
|
}
|
|
|
|
#pragma mark - UITextFieldDelegate
|
|
|
|
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
|
|
[textField resignFirstResponder];
|
|
return YES;
|
|
}
|
|
|
|
@end
|