tableview选中打勾

最新推荐文章于 2021-07-23 14:38:15 发布

Allen_ke

最新推荐文章于 2021-07-23 14:38:15 发布

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分类专栏： ios移动开发文章标签： uitableview uitableviewcell plist

本文链接：https://blog.youkuaiyun.com/kfq0071/article/details/25240621

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该博客介绍了一个使用Objective-C编写的iOS应用中，如何在UITableView中设置单元格选中状态，并记录用户的选中项。通过读取并更新.plist文件，初始化数据，然后在cellForRowAtIndexPath方法中处理单元格的选中效果，包括改变文字颜色和显示勾选图片。当用户选择新的单元格时，会更新当前选中项，保存选中状态，并播放对应的声音。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

#import "FindMyPhoneTonesViewController.h"

#import "pelAppDelegate.h"

#import "PlistOOP.h"

#import "pelSmartWatchData.h"

@interface FindMyPhoneTonesViewController ()

@end

@implementation FindMyPhoneTonesViewController

static int current;

@synthesize names;

@synthesize keys;

@synthesize items;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewDidLoad

{

[super viewDidLoad];

self.navigationItem.title = @"Find My Phone Tones";

UIBarButtonItem *barButtonItem = [[UIBarButtonItem alloc] init];

barButtonItem.title = @"Back";

self.navigationItem.backBarButtonItem = barButtonItem;

NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"sound2" ofType:@"plist"];

NSMutableDictionary *data = [[NSMutableDictionary alloc] initWithContentsOfFile:plistPath];

self.names = data;

NSArray *array = [[names allKeys] sortedArrayUsingSelector:

@selector(compare:)];

self.keys = array;

}

- (void)viewDidUnload {

self.names = nil;

self.keys = nil;

[super viewDidUnload];

}

//kfq-----

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return [names count];

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

NSUInteger row = [indexPath row];

NSString *key = [keys objectAtIndex:row];

NSString*nameSection = [names objectForKey:key];

static NSString *SectionsTableIdentifier = @"SectionsTableIdentifier";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:

SectionsTableIdentifier];

if (cell == nil) {

cell = [[UITableViewCell alloc]

initWithStyle:UITableViewCellStyleDefault

reuseIdentifier:SectionsTableIdentifier];

}

cell.textLabel.text =nameSection;

cell.selectionStyle=UITableViewCellSelectionStyleDefault;

NSString *currString=[pelSmartWatchData loadDataByName:@"currentData"];

current = [currString intValue];

NSLog(@"instring:%d",current);

//默认选中上一次

if(current==indexPath.row)

{

cell.imageView.image=[UIImage imageNamed:@"YES2.png"];

cell.textLabel.textColor=[UIColor blueColor];

}

else

{

cell.accessoryType=UITableViewCellAccessoryNone;

}

//kfq---4-28

// current=indexPath.row;

return cell;

}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

// [tableView reloadData];

if(indexPath.row==current){

return;

}

UITableViewCell *newCell = [tableView cellForRowAtIndexPath:indexPath];

if(newCell.accessoryType==UITableViewCellAccessoryNone) {

// newCell.accessoryType=UITableViewCellAccessoryCheckmark;

newCell.textLabel.textColor=[UIColor blueColor];

newCell.imageView.image= [UIImage imageNamed:@"YES2.png"];

}

NSIndexPath*oldIndexPath =[NSIndexPath indexPathForRow:current inSection:0];

UITableViewCell*oldCell = [tableView cellForRowAtIndexPath:oldIndexPath];

if(oldCell.imageView.image==[UIImage imageNamed:@"YES2.png"]) {

oldCell.imageView.image=[UIImage imageNamed:@""];

oldCell.accessoryType=UITableViewCellAccessoryNone;

oldCell.textLabel.textColor=[UIColor blackColor];

// newCell.imageView.image= [UIImage imageNamed:@"YES2.png"];

}

current=indexPath.row;

// [self.FindMyPhoneToneTableView reloadData];

[tableView reloadData];

//kfq--4-29

NSString *stringInt = [NSString stringWithFormat:@"%d",current];

//kfq--5-4

[pelSmartWatchData saveDataByName:@"currentData" data:stringInt];

//kfq---4-25 保存选中声音的key

NSUInteger row = [indexPath row];

NSString *key = [keys objectAtIndex:row];

[pelSmartWatchData saveDataByName:@"soundKey" data:key];

[pelAppDelegate playSound:[key intValue]];

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end

完整的代码过程