【IOS】从android角度来实现(理解)IOS的UITableView

//
// NaviRootController.h
// TabViewTest
//
// Created by WANGJIE on 13-10-31.
// Copyright (c) 2013年 WANGJIE. All rights reserved.
// #import <UIKit/UIKit.h>
@class TableViewAdapter;
@interface NaviRootController : UIViewController
{
NSMutableArray *data;
TableViewAdapter *adapter;
} @property (weak, nonatomic) IBOutlet UITableView *tableView; @property NSMutableArray *data;
@property(strong, nonatomic) TableViewAdapter *adapter;
@end

- (id)init
{
self = [self initWithNibName:@"navi_root" bundle:nil];
return self;
} - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// 获得当前导航栏对象
UINavigationItem *item = [self navigationItem];
// 设置导航栏左按钮
UIBarButtonItem *leftButton = [[UIBarButtonItem alloc] initWithTitle:@"leftButton" style:UIBarButtonItemStylePlain target:self action:@selector(buttonClickedAction:)];
[leftButton setTag:];
[item setLeftBarButtonItem:leftButton animated:YES];
// 设置导航栏右按钮
UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithTitle:@"rightButton" style:UIBarButtonItemStyleDone target:self action:@selector(buttonClickedAction:)];
[rightButton setTag:];
[item setRightBarButtonItem:rightButton animated:YES]; }
return self;
}

- (void)viewDidLoad
{ // Do any additional setup after loading the view.
[super viewDidLoad]; if (!adapter) {
[self initData]; // 生成适配器委托对象
adapter = [[TableViewAdapter alloc] initWithSource:data Controller:self]; // 设置适配器委托对象
[[self tableView] setDelegate:adapter];
[[self tableView] setDataSource:adapter]; }
}

//
// NaviRootController.m
// TabViewTest
//
// Created by WANGJIE on 13-10-31.
// Copyright (c) 2013年 WANGJIE. All rights reserved.
// #import "NaviRootController.h"
#import "Person.h"
#import "TableViewAdapter.h" @interface NaviRootController () @end @implementation NaviRootController
@synthesize data, adapter; - (id)init
{
self = [self initWithNibName:@"navi_root" bundle:nil];
return self;
} - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
// 获得当前导航栏对象
UINavigationItem *item = [self navigationItem];
// 设置导航栏左按钮
UIBarButtonItem *leftButton = [[UIBarButtonItem alloc] initWithTitle:@"leftButton" style:UIBarButtonItemStylePlain target:self action:@selector(buttonClickedAction:)];
[leftButton setTag:];
[item setLeftBarButtonItem:leftButton animated:YES];
// 设置导航栏右按钮
UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithTitle:@"rightButton" style:UIBarButtonItemStyleDone target:self action:@selector(buttonClickedAction:)];
[rightButton setTag:];
[item setRightBarButtonItem:rightButton animated:YES]; }
return self;
} /**
* 初始化列表数据
*/
- (void)initData
{
data = [[NSMutableArray alloc] init];
NSLog(@"%@", NSStringFromSelector(_cmd));
Person *person;
for (int i = ; i < ; i++) {
person = [[Person alloc] init];
[person setName:[@"name" stringByAppendingString:
[NSString stringWithFormat:@"%d", i]
]
]; [person setAge:i + ]; [person setPic:[UIImage imageNamed:@"Hypno.png"]]; [data addObject:person]; }
} - (void)viewDidLoad
{ // Do any additional setup after loading the view.
[super viewDidLoad]; if (!adapter) {
[self initData]; // 生成适配器委托对象
adapter = [[TableViewAdapter alloc] initWithSource:data Controller:self]; // 设置适配器委托对象
[[self tableView] setDelegate:adapter];
[[self tableView] setDataSource:adapter]; } } - (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:YES]; } - (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} // 按钮点击事件回调
- (void)buttonClickedAction:(id)sender
{ NSString *message;
switch ([sender tag]) {
case :
message = @"left button clicked!";
break;
case :
message = @"right button clicked!";
break;
default:
message = @"unknow button clicked!";
break;
} UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"alert view" message:message delegate:self cancelButtonTitle:@"cancel" otherButtonTitles:nil, nil];
[alert show];
} @end

//
// TableViewAdapter.m
// TabViewTest
//
// Created by WANGJIE on 13-10-31.
// Copyright (c) 2013年 WANGJIE. All rights reserved.
// #import "TableViewAdapter.h"
#import "Person.h"
#import "NaviRootController.h" @implementation TableViewAdapter - (id)initWithSource:(NSMutableArray *)source Controller:(NaviRootController *)context
{
NSLog(@"initWithSource...");
self = [super init];
if (self) {
data = source;
controller = context;
}
return self;
} - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{ return [data count];
} - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSLog(@"%@", NSStringFromSelector(_cmd));
// UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"UITableViewCell"];
// if (!cell) {
// cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"UITableViewCell"];
// }
// 获得当前要显示的数据
Person *p = [data objectAtIndex:[indexPath row]];
//
// [[cell textLabel] setText:[p name]];
// 记得在cell.xib文件中设置identifier以达到重用的目的
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"MyTableCell"];
if (!cell) {
// 通过mainBundle的loadNibNamed方法去加载布局，类似android中的LayoutInflater.inflate()方法
NSArray *nibViews = [[NSBundle mainBundle] loadNibNamed:@"table_cell" owner:self options:nil];
cell = [nibViews objectAtIndex:];
// cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
// 通过在cell.xib中各控件设置的tag来获得控件，类似android中的findViewByTag/findViewById
UIImageView *picIv = (UIImageView *)[cell viewWithTag:];
UILabel *nameLb = (UILabel *)[cell viewWithTag:];
UILabel *ageLb = (UILabel *)[cell viewWithTag:]; [nameLb setText:[p name]];
[ageLb setText:[NSString stringWithFormat:@"%d", [p age]]];
[picIv setImage:[p pic]]; return cell;
} - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
Person *person = [data objectAtIndex:[indexPath row]];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"cell clicked!" message:[NSString stringWithFormat:@"%@ clicked!", [person name]]delegate:self cancelButtonTitle:@"cancel" otherButtonTitles:nil, nil];
[alert show]; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return [self tableView:tableView cellForRowAtIndexPath:indexPath].frame.size.height;
} @end