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 NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        [formatter setDateFormat:@"yyyy-MM-dd"];
        NSDate *date = [formatter dateFromString:dateString];
        [formatter setDateFormat:@"MM/dd/yyyy"];
        NSString *dateOutString = [formatter stringFromDate:date];
        invoiceDate_lbl.text = dateOutString;

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//Step 1: Declare function in header file
-(NSString*) customFormateDateTime:(NSString*)currentDateTime setCurrentDateTimeFormat:(NSString*)currentFormate SetNewDateTimeFormate:(NSString*)newFormate;

//Step 2: add function definition in .m file

-(NSString*) customFormateDateTime:(NSString*)currentDateTime setCurrentDateTimeFormat:(NSString*)currentFormate SetNewDateTimeFormate:(NSString*)newFormate{

        //create object from NSDateFormater
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

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          NSString * titleString = [itemLabels objectAtIndex:indexPath.row];
          //create attributedstring object with intialize string 
          NSMutableAttributedString * attriStr = [[NSMutableAttributedString alloc]initWithString:titleString];
          // formate style 
          [attriStr setColorForText:titleString withColor:BLUE_COLOR];
          [attriStr setFontForText:titleString withFont:[UIFont fontWithName:@"RobotoCondensed-Regular" size:20]];
           //redefine width 
          CGSize maximumSize = CGSizeMake(250, INT_MAX); // CGSizeMake(width,height).
          CGRect lblFrame = cell.title_lbl.frame;
          lblFrame.size.width = maximumSize.width;

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- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    
    if (string.length == 0) {
        return YES;
    }
    NSInteger length = textField.text.length+string.length;
 
    if (textField == pharmacyPhone_TF2 || textField == prescriberNumber_TF ) {
        if (length < 12) {
            [AppInfo toggleViewState:continueBtn isEnabled:[self shouldEnableButton]];

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- (NSMutableAttributedString *)parseSubjet:(NSString *)subject {
    NSMutableAttributedString *attributedSubject = [[NSMutableAttributedString alloc] initWithString:subject];
    NSRange rangeSubject = (NSRange){0,[attributedSubject length]};
    [attributedSubject addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"RobotoCondensed-Regular" size:16] range:rangeSubject];
    if ([subject containsString:@"<<"]) {
        NSArray *strings = [subject componentsSeparatedByString:@"<<"];
        if (strings.count > 0) {
            attributedSubject = [[NSMutableAttributedString alloc] initWithString:@""];
            for (int i=0; i<strings.count; i++) {
                NSArray *stringComponents = [strings[i] componentsSeparatedByString:@"_"];

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//CREATE OBJECT DATEFORAMTER 
NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init]; 
//DECLARE ACTUAL FORMAT OF STRING VALUE   
 [dateFormat setDateFormat:@"MM/dd/yyyy"];
//CONVERT SRING TO DATE TYPE
    NSDate *birthday = [dateFormat dateFromString: @"11/25/1994"];
//GET CURRENT DATE
NSDate* now = [NSDate date];
// PASS PARAMETERS TO AGE COMPONENETS

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//nvd- Reusable Methods
- (NSMutableAttributedString*)FormateString:(NSString*)actualString  forTextRangeColor:(UIColor*)textColor ForTextRange:(NSString*) textRangeString {
    
    NSMutableAttributedString *colorString = [[NSMutableAttributedString alloc]initWithString:actualString];
    
    [colorString setColorForText:textRangeString withColor:textColor];
    
    return colorString;
}

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// Parameters required  1-Value, 2-key and 3- DicitionaryName
- (BOOL)ValidateKeyAndValueString:(NSString*)ValueString forKey:(NSString*)KeyString forDictionary:(NSDictionary*)DictionaryName {
    if([AppInfo isValidKey:KeyString forDictionary:DictionaryName]){
     
        if( ValueString == (NSString *)[NSNull null] || ValueString.length == 0 ){
            return NO;
        }
        else{
            return YES;

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ScrollView programmatically in Objective C

resuable code for adding scroll view in project

Getting Started

1. create NewController.
2. in MainView add SubView and rename to ContentView and Create outlit to headerFile
3. add ScrollView code to View Did load Method
4. Iphone Size code add in app constant.h file (Bool varibales for global Use)

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https://www.appcoda.com/firebase-push-notifications/