NSString *str= [textField text]; NSCharacterSet *whitespace = [NSCharacterSet whitespaceAndNewlineCharacterSet]; NSString *trimmedStr = [str stringByTrimmingCharactersInSet:whitespace];
@interface ViewController : UIViewController<UITextFieldDelegate>
- (void)textFieldDidBeginEditing:(UITextField *)textField { textField.placeholder = nil; } - (void)textFieldDidEndEditing:(UITextField *)textField { textField.placeholder = @"Your Placeholdertext"; }
-(void) writeToFile:(NSString *)path fromInt:(int)anInt; -(void) writeToFile:(NSString *)path fromString:(NSString *)aString;
#import <UIKit/UIKit.h> @interface UIColor (Hex) + (UIColor *) colorWithHexString:(NSString *)aHexString; + (UIColor *) colorWithRGBHex:(UInt32)aHex; @end
#import "UIColor+Hex.h" @implementation UIColor (Hex) + (UIColor *) colorWithHexString:(NSString *)aHexString { NSScanner *scanner = [NSScanner scannerWithString:aHexString]; unsigned hexNum; if (![scanner scanHexInt:&hexNum]) { return nil; } return [UIColor colorWithRGBHex:hexNum]; } + (UIColor *) colorWithRGBHex:(UInt32)aHex { int r = (aHex >> 16) & 0xFF; int g = (aHex >> 8) & 0xFF; int b = (aHex) & 0xFF; return [UIColor colorWithRed:r / 255.0f green:g / 255.0f blue:b / 255.0f alpha:1.0f]; } @end
UIColor *color = [UIColor colorWithHexString:@"c90606"];
#import <UIKit/UIKit.h> #import <Foundation/Foundation.h> @interface UIPlaceHolderTextView : UITextView { NSString *placeholder; UIColor *placeholderColor; @private UILabel *placeHolderLabel; } @property (nonatomic, retain) UILabel *placeHolderLabel; @property (nonatomic, retain) NSString *placeholder; @property (nonatomic, retain) UIColor *placeholderColor; -(void)textChanged:(NSNotification*)notification; @end
#import "UIPlaceHolderTextView.h" @implementation UIPlaceHolderTextView @synthesize placeHolderLabel; @synthesize placeholder; @synthesize placeholderColor; - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; #if __has_feature(objc_arc) #else [placeHolderLabel release]; placeHolderLabel = nil; [placeholderColor release]; placeholderColor = nil; [placeholder release]; placeholder = nil; [super dealloc]; #endif } - (void)awakeFromNib { [super awakeFromNib]; [self setPlaceholder:@""]; [self setPlaceholderColor:[UIColor lightGrayColor]]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChanged:) name:UITextViewTextDidChangeNotification object:nil]; } - (id)initWithFrame:(CGRect)frame { if( (self = [super initWithFrame:frame]) ) { [self setPlaceholder:@""]; [self setPlaceholderColor:[UIColor lightGrayColor]]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChanged:) name:UITextViewTextDidChangeNotification object:nil]; } return self; } - (void)textChanged:(NSNotification *)notification { if([[self placeholder] length] == 0) { return; } if([[self text] length] == 0) { [[self viewWithTag:999] setAlpha:1]; } else { [[self viewWithTag:999] setAlpha:0]; } } - (void)setText:(NSString *)text { [super setText:text]; [self textChanged:nil]; } - (void)drawRect:(CGRect)rect { if( [[self placeholder] length] > 0 ) { if ( placeHolderLabel == nil ) { placeHolderLabel = [[UILabel alloc] initWithFrame:CGRectMake(8,8,self.bounds.size.width - 16,0)]; placeHolderLabel.lineBreakMode = NSLineBreakByWordWrapping; placeHolderLabel.numberOfLines = 0; placeHolderLabel.font = self.font; placeHolderLabel.backgroundColor = [UIColor clearColor]; placeHolderLabel.textColor = self.placeholderColor; placeHolderLabel.alpha = 0; placeHolderLabel.tag = 999; [self addSubview:placeHolderLabel]; } placeHolderLabel.text = self.placeholder; [placeHolderLabel sizeToFit]; [self sendSubviewToBack:placeHolderLabel]; } if( [[self text] length] == 0 && [[self placeholder] length] > 0 ) { [[self viewWithTag:999] setAlpha:1]; } [super drawRect:rect]; } @end
// Override to support conditional editing of the table view. // This only needs to be implemented if you are going to be returning NO // for some items. By default, all items are editable. - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath { // Return YES if you want the specified item to be editable. return YES; } // Override to support editing the table view. - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { //add code here for when you hit delete } }
NSString *fullUrlString = [loginUrlString stringByAppendingString:params]; NSString *properlyEscapedURL = [fullLoginUrlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSString *urlString = @"/rest/resource/method"; NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease]; [dateFormatter setDateFormat:@"dd.MM.yyyy"]; NSDateFormatter *dateFormatterForSecondDate = [[[NSDateFormatter alloc] init] autorelease]; [dateFormatterForSecondDate setDateFormat:@"dd.MM.yyyy HH:mm"]; NSString *userIdStr = [currentUserIdNumber stringValue]; NSString *userIdParam = [@"?userId=" stringByAppendingString:userIdStr]; NSString *fromCityParam = [@"&fDispCity=" stringByAppendingString:fromCity]; NSString *toCityParam = [@"&fDeliveryCity=" stringByAppendingString:toCity]; NSString *fromDateParam = [@"&fDate=" stringByAppendingString:[dateFormatter stringFromDate:fromDate]]; NSString *weightParam = [@"&fTruckCategory=" stringByAppendingString: [MyEnums getNameForTruckCategory:truckCategory]]; NSString *toDateParam = [@"&fDateAlong=" stringByAppendingString: [dateFormatterForSecondDate stringFromDate:toDate]]; NSMutableString *params = [NSMutableString stringWithString:userIdParam]; [params appendString:fromCityParam]; [params appendString:toCityParam]; [params appendString:fromDateParam]; [params appendString:weightParam]; [params appendString:toDateParam]; NSString *fullUrlString = [loginUrlString stringByAppendingString:params]; NSString *properlyEscapedURL = [fullLoginUrlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSURL *url = [NSURL URLWithString:properlyEscapedURL];
NSDate* currentDate = [NSDate date]; NSString* dateInString = [currentDate description];
NSDate *currentDateTime = [NSDate date]; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"dd.MM.yyyy HH:mm"]; NSString *dateInStringFormated = [dateFormatter stringFromDate:currentDateTime]; NSLog(@"%@", dateInStringFormated); [dateFormatter release];
NSDate *now = [NSDate date]; NSCalendar *calendar = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease]; NSDateComponents *components = [calendar components: NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit fromDate:now]; [components setHour:23]; [components setMinute:59]; NSDate *today23h59m = [calendar dateFromComponents:components];
[self.scrollView setContentOffset:CGPointZero animated:YES];
[self.scrollView setContentOffset:CGPointMake(self.scrollView.contentOffset.x, 0) animated:YES];
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section { return 58; } -(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section { UIView *customView = [[[UIView alloc] initWithFrame:CGRectMake(10.0, 0.0, self.view.bounds.size.width, 53.0)] autorelease]; CustomGradientButon *changeConditionsButton = [[CustomGradientButon alloc] initWithFrame:CGRectMake( (self.view.bounds.size.width - 250)/2, 15.0, 250.0, 38.0)]; [changeConditionsButton setButtonTitleLabel:@"Изменить условия поиска"]; [changeConditionsButton addTarget:self action:@selector(changeConditionsButtonClicked) forControlEvents:UIControlEventTouchUpInside]; [customView addSubview:changeConditionsButton]; return customView; } -(void) changeConditionsButtonClicked { if (!fromFilter) { [self performSegueWithIdentifier:@"ChangeConditions" sender:self]; } else { [self.navigationController popViewControllerAnimated:YES]; } }
NSString *str = textField.text; NSString *serverAddress = SERVER_ADDRESS; NSString *restMethodAddress = @"/rest/someResource/someMethod"; NSString *encodeString = [str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSString *param = [NSString stringWithFormat:@"?charSequence=%@", encodeString]; NSMutableString *fullRequestAddress = [NSMutableString stringWithString:serverAddress]; [fullRequestAddress appendString:restMethodAddress]; [fullRequestAddress appendString:likeCitiesParam]; NSURL *url =[NSURL URLWithString:fullRequestAddress]; NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60]; [theRequest setHTTPMethod:@"GET"]; NSURLConnection connection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self ];
