IOS.TXT.bak

--==T:\ASNPGJK\Sources\IOS\IOS6~1\CH01_C~1\HELLOW~1\HELLOW~1\

HWViewController.h
@property (weak, nonatomic) IBOutlet UILabel *lblHelloWorld;
- (IBAction)doBtnHide:(id)sender;

HWViewController.m
- (IBAction)doBtnHide:(id)sender {
    [lblHelloWorld setHidden:![lblHelloWorld isHidden]];
    [sender setTitle:[lblHelloWorld isHidden] ? @"Show" : @"Hide" forState:UIControlStateNormal];
}

//
//  HelloWorldViewController.h
//  D01_HelloWorld
//
//  Created by linlw on 13-5-29.
//  Copyright (c) 2013年 linlw. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface HelloWorldViewController : UIViewController
-(IBAction)showMessage;
@end


//
//  HelloWorldViewController.m
//  D01_HelloWorld
//
//  Created by linlw on 13-5-29.
//  Copyright (c) 2013年 linlw. All rights reserved.
//

#import "HelloWorldViewController.h"

@interfaceHelloWorldViewController ()

@end

@implementation HelloWorldViewController

- (void)viewDidLoad
{
    [superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning
{
    [superdidReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
-(IBAction)showMessage{
    UIAlertView *helloWorldAlter = [[UIAlertViewalloc] initWithTitle:@"My First App"message:@"Hello World!"delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil];
    [helloWorldAlter show];
}

@end


SimpleTableViewController.h 
#import <UIKit/UIKit.h>
@interface SimpleTableViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>
@end


SimpleTableViewController.m
@implementation SimpleTableViewController {

NSArray *tableData; 
}
- (void)viewDidLoad{
[super viewDidLoad];
// Initialize table data
tableData = [NSArray arrayWithObjects:@"Egg Benedict",
@"Mushroom Risotto", @"Full Breakfast", @"Hamburger", @"Ham and Egg Sandwich", @"Creme Brelee", @"White Chocolate Donut", @"Starbucks Coffee", @"Vegetable Curry", @"Instant Noodle with Egg", @"Noodle with BBQ Pork", @"Japanese Noodle with Pork", @"GreenTea", @"Thai Shrimp Cake", @"Angry Birds Cake", @"Ham and Cheese Panini", nil];
}

- (NSInteger)tableView:(UITableView *)tableView
numberOfRowsInSection:(NSInteger)section {
return [tableData count]; }
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *simpleTableIdentifier = @"SimpleTableItem";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc]
initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifier];
}
cell.textLabel.text = [tableData objectAtIndex:indexPath.row]; 
cell.imageView.image = [UIImage imageNamed:@"creme_brelee.jpg"];
return cell;
}



T:\ASNPGJK\Sources\IOS\IOS6~1\CH03_C~1\PicDecor\Classes\

MovableImageView.m
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event 
{
	[super touchesMoved:touches withEvent:event];
	
	float deltaX = [[touches anyObject] locationInView:self].x - [[touches anyObject] previousLocationInView:self].x;
	float deltaY = [[touches anyObject] locationInView:self].y - [[touches anyObject] previousLocationInView:self].y;
	self.transform = CGAffineTransformTranslate(self.transform, deltaX, deltaY);
}

VCImageEditing.m
-(IBAction)doDecorateBtn:(id)sender;
{
	selectingImage = YES;
	[self presentModalViewController:vcDecorations animated:YES];
}

+ (UIImage*)imageWithImage:(UIImage*)image 
			  scaledToSize:(CGSize)newSize;
{
	UIGraphicsBeginImageContext( newSize );
	[image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
	UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
	UIGraphicsEndImageContext();
	
	return newImage;
}

- (void)mailComposeController:(MFMailComposeViewController*)controller 
		  didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error
{
	[self dismissModalViewControllerAnimated:YES];
}

-(UIImage *)saveImage:(UIView *)view {
    CGRect mainRect = [[UIScreen mainScreen] bounds];
    
    UIGraphicsBeginImageContext(mainRect.size);
    CGContextRef context = UIGraphicsGetCurrentContext();
    [[UIColor blackColor] set];
	
    CGContextFillRect(context, mainRect);
    [view.layer renderInContext:context];
    
    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
    
    UIGraphicsEndImageContext();
	
    return newImage;
}

-(IBAction)doEmailBtn:(id)sender;
{
	MFMailComposeViewController *mailController = [[MFMailComposeViewController alloc] init];
	mailController.mailComposeDelegate = self;
	
	// hide the toolbar
	for (UIView *v in [self.view subviews])
		if ([v isKindOfClass:[UIToolbar class]])
			[v setHidden:YES];
	
	UIImage *i = [self saveImage:self.view];

	// show the toolbar
	for (UIView *v in [self.view subviews])
		if ([v isKindOfClass:[UIToolbar class]])
			[v setHidden:NO];
			
	NSData *imageAsData = UIImagePNGRepresentation(i);
	[mailController addAttachmentData:imageAsData mimeType:@"image/png" fileName:@"PicDecor.png"];
	[mailController setSubject:@"My PicDecor Image"];
	
	[self presentModalViewController:mailController animated:YES];
    [mailController release];

	
}

-(void)viewWillAppear:(BOOL)animated
{
	[super viewWillAppear:animated];
	NSLog(@"image: %@", editImage);
    
	if (editImage != nil)
	{
		[ivEditingImage setImage:editImage];
		[self.view sendSubviewToBack:ivEditingImage];
	}
	
	if (selectingImage)
	{
		MovableImageView *iv = 
			[[[MovableImageView alloc] 
			  initWithImage:[vcDecorations selectedImage]] autorelease];
		[iv setUserInteractionEnabled:YES];
		[self.view addSubview:iv];
	}
	
	selectingImage = NO;
}

VCDecorations.m
-(IBAction)doImageBtn:(id)sender;
{
	[selectedImage release];
	selectedImage = [[sender backgroundImageForState:UIControlStateNormal] retain];
	[self dismissModalViewControllerAnimated:YES];
}

-(IBAction)doCancelBtn:(id)sender;
{
	[self dismissModalViewControllerAnimated:YES];
}

PicDecorViewController.m
- (UIImage*)imageWithImage:(UIImage*)image 
			  scaledToSize:(CGSize)newSize;
{
	UIGraphicsBeginImageContext( newSize );
	[image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
	UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
	UIGraphicsEndImageContext();
	
	return newImage;
}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
	UIImage *i = [info objectForKey:UIImagePickerControllerOriginalImage];
	NSLog(@"%f %f", [i size].width, [i size].height);
	if (i.size.width > 320 || i.size.height > 480)
		i = [self imageWithImage:i scaledToSize:CGSizeMake(320, 480)];
	[self dismissModalViewControllerAnimated:NO];
	[vcImageEditing setEditImage:i];
	[self presentModalViewController:vcImageEditing animated:YES];
}

-(IBAction)doCameraBtn:(id)sender; 
{
	UIImagePickerController *ipController = [[[UIImagePickerController alloc] init] autorelease];
	if ([[[UIDevice currentDevice] model] 
		 rangeOfString:@"Sim"].location == NSNotFound) 
		 [ipController setSourceType:UIImagePickerControllerSourceTypeCamera];
	[ipController setDelegate:self];
	[self presentModalViewController:ipController animated:YES];
}

-(IBAction)doPhotoAlbumBtn:(id)sender; 
{
	UIImagePickerController *ipController = [[[UIImagePickerController alloc] init] autorelease];
	[ipController setDelegate:self];
	[self presentModalViewController:ipController animated:YES];
}

-(void)viewDidAppear:(BOOL)animated
{
	[super viewDidAppear:animated];
	
	if (!startedUp)
        if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
			[self doPhotoAlbumBtn:nil];
		
	startedUp = YES;	
}

IOS开发从入门到精通 P176
#if 0
//创建UILable对象
UILabel* label = [[UILabel alloc] initWithFrame:self.view.bounds];
label.text = @"This is a UILabel Demo,";
label.font = [UIFont fontWithName:@"Arial" size:35];
label.textColor = [[UIColor yellowColor];
label.textAligment = UITextAligmentCenter;
label.backgroundColor = [UIColor blueColor];
label.bcakBreakMode = UILineBreakModeWordWrap;
label.numberOfLines = 0;
CGSize size = [label.text sizeWithFont:label.fontconstrainedToSize:self.view.bounds.size lineBreakMode:label.lineBreakMode];
CGRect rect = label.frame;
rect.size.height = size.height;
label.frame = rect;
#endif

#if 1
//自定义控件UILableEx需重写父类,具体实现 UILableEx.h/UILabelEx.m, 见IOS开发从入门到精通 P177
UILabelEx* label = [[UILabelEx alloc] initWithFrame:self.view.bounds];
label.text = @"This is a UILabel Demo,";
label.font = [UIFont fontWithName:@"Arial" size:35];
label.textColor = [[UIColor yellowColor];
label.textAligment = UITextAligmentCenter;
label.backgroundColor = [UIColor blueColor];
label.bcakBreakMode = UILineBreakModeWordWrap;
label.numberOfLines = 0;
label.verticalAligment = VerticalAlignmentTop;
#endif

[self.view addSubView:label];
[label release];

IOS开发从入门到精通 P191
//自定义按键图片
UIImage *normalImage = [[UIImage imageNamed:@"WhiteButton.png"] stretchableImageWithLeftCapWidth:12.0 topCapHeight:0.0];
UIImage *pressedImage = [[UIImage imageNamed:@"blueButton.png"] stretchableImageWithLeftCapWidth:12.0 topCapHeight:0.0];
[self.theButton setBackgroundImage:normalImage forState:UIControlStateNormal];
[self.theButton setBackgroundImage:pressedImage forState:UIControlStateHighlighted];
[super viedDidLoad];

IOS开发从入门到精通 P195
//用占位符替换生成文本
- (IBAction)createStory:(id)sender {
    self.theStory.text = [self.theTemplate.text stringByReplacingOccurrencesOfString:@"<place" withString:self.thePlace.text];
}

IOS开发从入门到精通 P194
//隐藏键盘代码
- (IBAction)hideKeyboard:(id)sender {
    [self.thePlace resignFirstResponder];
    [self.theNumber resignFirstResponder];
}

IOS开发从入门到精通 P155
//实现MSGBOX
-(IBAction)buttonPressed1{
    UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" 
                                             message:@"内容" 
                                             delegate:self 
                                             cancelButtonTitle:@"OK" 
                                             otherButtonTitles:nil];
    [alert show];
    [alert release];
}

-(IBAction)buttonPressed1234{
    UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" 
                                             message:@"请选择一个按钮:" 
                                             delegate:self 
                                             cancelButtonTitle:@"取消" 
                                             otherButtonTitles:@"按钮一",@"按钮二",@"按钮三",nil];
    [alert show];
    [alert release];
}

//在clickedButtonAtIndex中检测buttonIndex,以判断第几个按钮,0=取消,1=按钮一,2=按钮二,3=按钮三
-(void)alterView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger) ButtonIndex{
    NSString* msg = [[NSString alloc]initWithFormat:@"你按下的第%d个按钮!",buttonIndex];
    UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示"
                                             message:msg
                                             delegate:nil
                                             cancelButtonTitle:@"确定"
                                             otherButtonTitles:nil];
    [alert show];
    [alert release];
    [msg release];
}