求用纯代码做界面的源代码

Question

如题。

Answer 1

#import <UIKit/UIKit.h>
@class UITextView;@interface HelloController : UIViewController <UITabBarDelegate>
{
int value;
}
@end@implementation HelloController- (id)init
{
if (self = [super init])
{
self.title = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
}
return self;
}- (void) goRed
{
self.view.backgroundColor = [UIColor colorWithRed: 1.0f green:0.45f blue:0.45f alpha:1.0f];
}- (void) goBlue
{
self.view.backgroundColor = [UIColor colorWithRed: 0.45f green:0.45f blue:1.0f alpha:1.0f];
}- (void)loadView
{
// Set up the text view to show the current value
UITextView *contentView = [[UITextView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; contentView.editable = NO;
contentView.textAlignment = UITextAlignmentCenter;
contentView.font = [UIFont fontWithName:@"American Typewriter" size:120]; contentView.autoresizesSubviews = YES;
contentView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight); self.view = contentView;
    [contentView release]; 

// Initialize at 50
[(UITextView *)self.view setText:@"\n50"];
value = 50; // The app style is black
self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque;

NSMutableArray *buttons = [[NSMutableArray alloc] initWithCapacity:4]; UIBarButtonItem *flexibleSpaceItem;
flexibleSpaceItem = [[[UIBarButtonItem alloc] 
  initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
  target:nil action:NULL] autorelease];
[buttons addObject:flexibleSpaceItem];
[flexibleSpaceItem release];

UIBarButtonItem *item;
item = [[UIBarButtonItem alloc] 
initWithImage:[UIImage imageNamed:@"down.png"]
style:UIBarButtonItemStylePlain 
target:self 
action:@selector(decrement:)];
[buttons addObject:item];
[item release]; item = [[UIBarButtonItem alloc] 
initWithImage:[UIImage imageNamed:@"up.png"]
style:UIBarButtonItemStylePlain target:self 
action:@selector(increment:)];
[buttons addObject:item];
[item release];

flexibleSpaceItem = [[[UIBarButtonItem alloc] 
  initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
  target:nil action:NULL] autorelease];
[buttons addObject:flexibleSpaceItem];
[flexibleSpaceItem release];

UIToolbar *toolbar = [[UIToolbar alloc] init]; 
toolbar.barStyle = UIBarStyleBlackOpaque;
[toolbar setItems:buttons animated:YES];
[toolbar sizeToFit];

self.navigationItem.titleView = toolbar;
[toolbar release];

// Add a left button
self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc]
 initWithTitle:@"Red" 
 style:UIBarButtonItemStylePlain 
 target:self 
 action:@selector(goRed)] autorelease];

// Add a right button
self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc]
  initWithTitle:@"Blue" 
  style:UIBarButtonItemStylePlain 
  target:self 
  action:@selector(goBlue)] autorelease];
}-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return YES;
}-(void) increment: (id) sender
{
    [(UITextView *)self.view setText:[NSString stringWithFormat:@"\n%d", ++value]];
}-(void) decrement: (id) sender
{
    [(UITextView *)self.view setText:[NSString stringWithFormat:@"\n%d", --value]];
}
@end
@interface SampleAppDelegate : NSObject <UIApplicationDelegate> 
@end
@implementation SampleAppDelegate
- (void)applicationDidFinishLaunching:(UIApplication *)application {
UIWindow *window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:[[HelloController alloc] init]];
[window addSubview:nav.view];
[window makeKeyAndVisible];
}
@endint main(int argc, char *argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
int retVal = UIApplicationMain(argc, argv, nil, @"SampleAppDelegate");
[pool release];
return retVal;
}这种的?

Answer 2

谢谢你的回答。我现在要忙着调查UIWebView的缓存，等我有时间再确认下。

Answer 3

这个问题就这么关掉了，想来不会又什么问题。其实我更想要一整个工程，这样我可以顺便学习一下结构。iphone的例子大多都是用IB做的，没什么可以参考。