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【代码笔记】iOS-cell自动变化大小
一,效果图。
二,工程图。
三,代码。
RootViewController.h
#import <UIKit/UIKit.h>
@interface RootViewController : UIViewController
<UITableViewDataSource,UITableViewDelegate>
{
UITableView* myTableView;
NSDictionary *dataDic;
}
@property (nonatomic , retain)NSArray* titleArray;
@property (nonatomic , retain)NSArray* contentArray;
@end
RootViewController.m
#import "RootViewController.h"
#import "RTLabel.h"
@interface RootViewController ()
@end
@implementation RootViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
self.title=@"RTLabel";
[self initContentView];
}
- (void)initContentView
{
//初始化标题
self.titleArray = [NSArray arrayWithObjects:
@"姓名:",
@"年绩:",
@"家乡:",
@"介绍:",
nil];
self.contentArray = [NSArray arrayWithObjects:
@"李华",
@"23",
@"河北",
@"我叫李华,今年23,来自河北,希望大家多多欢迎,喜欢计算机,来自河北的一个学校.111111111111111111111111111",nil];
//添加列表
myTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, self.view.bounds.size.height) style:UITableViewStylePlain];
[myTableView setDelegate:self];
[myTableView setDataSource:self];
[myTableView setBackgroundColor:[UIColor clearColor]];
[self.view addSubview:myTableView];
}
#pragma mark - tableview delegate and dataSoucre
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString* identifier = @"cell";
UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
[cell setBackgroundColor:[UIColor clearColor]];
//cell白色背景
UIImage* bcImg = [UIImage imageNamed:@"label"];
UIImageView* bcImgV = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(cell.frame), CGRectGetHeight(cell.contentView.frame))];
[bcImgV setImage:bcImg];
[cell.contentView addSubview:bcImgV];
//cell中的内容
RTLabel* nameLabel = [[RTLabel alloc] initWithFrame:CGRectMake( 10, 15, 300 , 15)];
[nameLabel setText:[NSString stringWithFormat:@"<font face=‘Helvetica‘ size=14 color=orange> %@ </font> <font face=AmericanTypewriter size=14 color=gray> %@ </font> ",[self.titleArray objectAtIndex:indexPath.row],[self.contentArray objectAtIndex:indexPath.row]]];
CGSize optimumSize = [nameLabel optimumSize];
[nameLabel setFrame:CGRectMake( 10, 15, 300 , optimumSize.height)];
[nameLabel setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:nameLabel];
[bcImgV setFrame:CGRectMake(0, 0, 320, 30 + optimumSize.height)];
}
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
RTLabel *label = [[RTLabel alloc] initWithFrame:CGRectMake(10,10,300,100)];
//[label setFont:[UIFont fontWithName:@"HelveticaNeue-CondensedBold" size:20]];
[label setParagraphReplacement:@""];
[label setText:[NSString stringWithFormat:@"<font face=‘Helvetica‘ size=14 color=orange> %@ </font> <font face=AmericanTypewriter size=14 color=gray> %@ </font> ",[self.titleArray objectAtIndex:indexPath.row],[self.contentArray objectAtIndex:indexPath.row]]];
CGSize optimumSize = [label optimumSize];
return 30 + optimumSize.height;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return self.titleArray.count;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
【代码笔记】iOS-cell自动变化大小
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