UITableView中cell里的UITextField不被弹出键盘挡住

UITableView中cell里的UITextField不被弹出键盘挡住

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效果如下：

源码：

EditCell.h 与 EditCell.m

// //  EditCell.h //  Cell // //  Created by YouXianMing on 14/12/18. //  Copyright (c) 2014年 YouXianMing. All rights reserved. //  #import <UIKit/UIKit.h>  @interface EditCell : UITableViewCell  @property (nonatomic, strong) UITextField *field;  @end

// //  EditCell.m //  Cell // //  Created by YouXianMing on 14/12/18. //  Copyright (c) 2014年 YouXianMing. All rights reserved. //  #import "EditCell.h"  @implementation EditCell  - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {     self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];     if (self) {         UIView *line         = [[UIView alloc] initWithFrame:CGRectMake(0, 43, 320, 1)];         line.backgroundColor = [UIColor colorWithRed:0.886 green:0.918 blue:0.933 alpha:1];         [self addSubview:line];                  _field               = [[UITextField alloc] initWithFrame:CGRectMake(20, 2, 280, 42)];         _field.textColor     = [UIColor grayColor];         _field.font          = [UIFont fontWithName:@"HelveticaNeue-Thin" size:18];         [self addSubview:_field];     }          return self; }  @end

ViewController.m

// //  ViewController.m //  Cell // //  Created by YouXianMing on 14/12/18. //  Copyright (c) 2014年 YouXianMing. All rights reserved. //  #import "ViewController.h" #import "EditCell.h"  static NSInteger number = 8;  @interface ViewController ()<UITableViewDataSource, UITableViewDelegate, UITextFieldDelegate>  @property (nonatomic, strong) UITableView    *tableView; @property (nonatomic, weak)   UITextField    *tmpTextField; // 获取当前编辑的TextField @property (nonatomic, strong) NSMutableArray *strsArray;  @end  @implementation ViewController  - (void)viewDidLoad {     [super viewDidLoad];          // 数据源(初始化)     _strsArray = [NSMutableArray array];     for (int i = 0; i < number; i++) {         [_strsArray addObject:@""];     }          // 初始化tableView     _tableView = [[UITableView alloc] initWithFrame:self.view.bounds                                               style:UITableViewStylePlain];     _tableView.backgroundColor = [UIColor colorWithRed:0.949 green:0.957 blue:0.961 alpha:1];     [self.view addSubview:_tableView];          _tableView.delegate       = self;     _tableView.dataSource     = self;     _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;     [_tableView registerClass:[EditCell class] forCellReuseIdentifier:@"YouXianMing"];      }  - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {     return number; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {     EditCell *cell      = [tableView dequeueReusableCellWithIdentifier:@"YouXianMing"];     cell.field.delegate = self;     cell.field.text     = _strsArray[indexPath.row];     cell.selectionStyle = UITableViewCellSelectionStyleNone;          return cell; }  #pragma mark - UITextField代理 - (void)textFieldDidBeginEditing:(UITextField *)textField {          // 获取到临时的textField并存储起来     self.tmpTextField = textField;          // 获取到父类cell     EditCell *cell    = (EditCell *)[self.tmpTextField superview];          // 获取到indexPath     NSIndexPath *path = [self.tableView indexPathForCell:cell];          // 执行动画(移动到输入的位置)     [self.tableView setContentOffset:CGPointMake(0, (path.row)*44) animated:YES]; } - (void)textFieldDidEndEditing:(UITextField *)textField {     // 获取到临时的textField并存储起来     self.tmpTextField = textField;          // 获取到父类cell     EditCell *cell    = (EditCell *)[self.tmpTextField superview];          // 获取到indexPath     NSIndexPath *path = [self.tableView indexPathForCell:cell];          // 存储到数据源中     [_strsArray replaceObjectAtIndex:path.row                           withObject:(textField.text == nil ? @"" : textField.text)];          // 打印信息     NSLog(@"%@", _strsArray); } - (BOOL)textFieldShouldReturn:(UITextField *)sender {          // 执行动画(恢复到原始位置)     [self.tableView setContentOffset:CGPointMake(0, 0) animated:YES];          // 交出第一响应者     [sender resignFirstResponder];          return YES; }  @end

以下是需要注意的地方：

通过父视图获取到了cell，然后根据cell获取indexPath值，然后可以做事情了

核心代码是根据第几个cell来执行位移的动画，这个值是可以调整的。