功能:创建一个列表并填充
//
// main.m
// Hello
//
// Created by lishujun on 14-8-28.
// Copyright (c) 2014年 lishujun. All rights reserved.
// #import <UIKit/UIKit.h> // 视图控制器对象
@interface HelloWorldViewController : UIViewController<UITableViewDataSource>
{
NSArray *array;
UITableView *tableView;
//不用@property声明,就不能用self进行引用? 有什么差异,我得弄清楚
}
@end @implementation HelloWorldViewController -(HelloWorldViewController *) init
{
array = [[NSArray alloc]initWithObjects:@"hello", @"oops", nil];
return self;
} -(void) loadView
{
// 创建视图对象
UIView *contentView = [[UIView alloc]initWithFrame:[[UIScreen mainScreen] applicationFrame]];
contentView.backgroundColor = [UIColor lightGrayColor];
self.view = contentView; // 创建tableView,设置数据源
tableView = [[UITableView alloc]initWithFrame:[[UIScreen mainScreen] applicationFrame]];
[tableView setDataSource:self]; // tableView加入到内容视图
[contentView addSubview:tableView];
} // --------DataSource接口必须实现的方法,用于填充表格-----------
-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView
{
return ;
} -(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [array count];
} -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *simpleTableIdentifer = @"SimpleTableIdentifer"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifer];
if (cell == nil) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifer];
}
cell.textLabel.text = array[indexPath.row];
return cell;
} @end // 委托对象
@interface HelloWorldAppDelegate : NSObject <UIApplicationDelegate>
{
IBOutlet UIWindow *window;
} @property (nonatomic, retain) UIWindow *window;
@end @implementation HelloWorldAppDelegate
@synthesize window; -(void) applicationDidFinishLaunching:(UIApplication *)application
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen]bounds]];
HelloWorldViewController *viewController = [[HelloWorldViewController alloc]init];
self.window.rootViewController = viewController;
[self.window makeKeyAndVisible];
} @end // 程序入口
int main(int argc, char * argv[])
{
@autoreleasepool {
return UIApplicationMain(argc, argv, nil, @"HelloWorldAppDelegate");
}
}