我的第一隻 iPhone 程式 – HelloMap !

hellomap2

這隻程式會展現一個地圖, 並以目前定位的座標為中心點, 及一個按鈕,按下按鈕會把座標及UDID傳送到 server , 由 server 端的程式記錄下來, 並且 server 端亂數送出一個水果名回傳給 iPhone client 端, iPhone client 端再把這水果名 show 在 iPhone screen上.

底下是片斷程式碼:

FirstViewController.h :

#import 
#import 
#import 

@interface FirstViewController : UIViewController  {
  IBOutlet MKMapView *mapView;
  CLLocationManager *locationManager;
  CLLocation *currentLocation;

}

- (IBAction) updateLocation;

@end

 

FirstViewController.m :

- (void)viewDidLoad {
  [super viewDidLoad];

  if (locationManager==nil) {
    locationManager = [[CLLocationManager alloc] init];
    locationManager.delegate = self;
  }

  [locationManager startUpdatingLocation];

  [mapView setMapType:MKMapTypeStandard];
}

- (void)locationManager:(CLLocationManager *)manager
  didUpdateToLocation:(CLLocation *)newLocation
       fromLocation:(CLLocation *)oldLocation {

  NSLog(@"Location : %.6f , %.6f", newLocation.coordinate.latitude , newLocation.coordinate.longitude );

  MKCoordinateRegion region = [mapView region];

  region.center = newLocation.coordinate;

  MKCoordinateSpan span;
  span.latitudeDelta = 0.01;
  span.longitudeDelta = 0.01;
  region.span = span;
  [mapView setRegion:region animated:TRUE];

  //
  if ( currentLocation != nil) {
    [currentLocation release];
    currentLocation = nil;
  }
  currentLocation = [newLocation copy];

}
- (IBAction) updateLocation {

  if(currentLocation==nil)
    return;

  UIDevice *device=[[UIDevice alloc] init];

  NSString *URLString=[[NSString alloc] initWithFormat:@"http://z.monster.tw/save_location.php?lat=%.6f&lng=%.6f&id=%@"
             ,currentLocation.coordinate.latitude
             ,currentLocation.coordinate.longitude
             ,device.uniqueIdentifier];

  [device release];

  NSLog(@"%@",URLString);

  // Send Request
  NSURLRequest *request=[NSURLRequest requestWithURL:[NSURL URLWithString:[URLString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]
                       cachePolicy:NSURLRequestReloadIgnoringCacheData
                     timeoutInterval:20.0]; 

  NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
  NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];

  NSLog(@"%@",returnString);  

  // Display AlertView
  UIAlertView *alert = [[UIAlertView alloc] initWithTitle:returnString message:@"Thanks!"
                           delegate:self cancelButtonTitle:@"Close" otherButtonTitles: nil];
  [alert show];
  [alert release];  

  [returnString release];
}

[URL] iPhone programming bookmarks / reference

★ Your First iOS Application
http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhone101/Articles/00_Introduction.html

中文 :  http://icodeblog.com/category/iphone-programming-tutorials/

★★ iOS Reference Library : http://developer.apple.com/iphone/library/navigation/index.html

iPhone Dev Center : http://developer.apple.com/iphone/index.action

Using iPhone Simulator

iPhone Human Interface Guidelines :  http://developer.apple.com/iphone/library/documentation/UserExperience/Conceptual/MobileHIG/Introduction/Introduction.html

objective-c 的基本認識 , 參考 URL :  http://www.otierney.net/objective-c.html.zh-tw.big5

有趣的 iPad iPhone development video 教學 : http://www.rorylewis.com/docs/02_iPad_iPhone/05_iPhoneTutorials.htm

給初接觸 objective-c 的介紹 : http://maciku.blogspot.com/2009/12/iphone-objective-c.html

包裝好給 iPhone 用的 http 元件/framework – ASIHTTPRequest
http://allseeing-i.com/ASIHTTPRequest/

—-

7/31 iPhone dev 課程 outline :

iPhone spec. / Objective-c intro.

intro. xcode / iPhone 開發限制 / 應用軟體架構 / 記憶體管理

first App. – HelloWorld

程式語法 – simple

Interface Builder基本操作

字串與資料結構 / UI Catalog

second App. – Location base App.

upload to real iPhone – use Apple

★ init , copy , retain 要記得 release memory

★ didReceiveMemoryWarning , viewDidUnload 暫時釋放 memmory

★ IBOutlet 引用到的 InterfaceBuilder 元件建議作 release , 但要注意到不要重覆 release

★ InterfaceBuilder : 事件與程式碼配合 – IBAction , 物件關聯 – IBOutlet , Delegate 指定.

iphone / hello world 2 / single rows in the table view

// --
// Customize the number of rows in the table view.
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return 1;
}


// Customize the appearance of table view cells.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
    }

    [cell.textLabel setText:@"Hello World!"];
    return cell;
}
// --
// --


[導覽] 有趣的 iPad iPhone development video 教學

From : Rory Lewis, PhD, JD

URL : http://www.rorylewis.com/docs/02_iPad_iPhone/05_iPhoneTutorials.htm

另外給初接觸 objective-c 的介紹:

URL : http://maciku.blogspot.com/2009/12/iphone-objective-c.html

中文開發網站 : http://www.cocoachina.com/iphonedev/

// ——————

obj->method(argv);

[obj method: argv];

// ——————

@implementation HelloController
- (IBAction)sayHello:(id)sender {
  [destinationTextField setStringValue:[sourceTextField stringValue]];
}
@end
(id)sender 是一個可以選擇性的用法,
若您有需要取得發出 IBAction的元件時,可以用這個 sender變數來取得.
但記得可能需要 cast一下.
UIButton *senderButton=(UIbutton*) sender;
[senderButton setHidden: YES];
這樣就會把該button隱藏起來.

(id)sender 是一個可以選擇性的用法,若您有需要取得發出 IBAction的元件時,可以用這個 sender變數來取得.但記得可能需要 cast一下.

UIButton *senderButton=(UIbutton*) sender;[senderButton setHidden: YES];

這樣就會把該button隱藏起來.

// ——————

[2010/7/9 下午 04:48:25] Rimmon 2.0: jason 有 mac os 的 sftp GUI 的 tools 嗎?

[2010/7/9 下午 04:48:40] Rimmon 2.0: 想要用 tools 傳 code 比較方便

[2010/7/9 下午 04:51:05] _RTN Jason Chen: http://www.versiontracker.com/dyn/moreinfo/macosx/15693

[2010/7/9 下午 04:51:08] _RTN Jason Chen: Fugu

[2010/7/9 下午 04:51:35] _RTN Jason Chen: www.versiontracker.com 有非常多的 OSX 軟體可下載

[2010/7/9 下午 04:53:59] _RTN Jason Chen: 還有 Microsoft Remote Desktop Connection 可遠端遙控 Windows

[2010/7/9 下午 04:55:13] _RTN Jason Chen: smb://172.30.0.29/Install   這樣 OSX 才看得懂網路分享目錄

[2010/7/9 下午 05:00:10] _RTN Jason Chen: Finder, 用 apple鍵 + K 再輸入 cifs://172.30.0.19/Install 即可連 server shared