The question is pretty much self explanatory. I need to set the text property of a UILabel instance to an int. How do I go about doing this? Sorry if it's a nooby question.
Thanks!
Assuming you have:
UILabel *myLabel; //instance of your label
int myInt; //the integer you need to set as text into UILabel
you can do this, and it's pretty simple:
[myLabel setText:[NSString stringWithFormat:#"%d", myInt]];
or:
myLabel.text = [NSString stringWithFormat:#"%d", myInt];
NSNumber *number = [NSNumber numberWithInt:yourInt];
[yourLabel setText:[number stringValue]];
label.text = [NSString stringWithFormat:#"%i",intNumber];
Try this:
[label setText:[NSString stringWithFormat:#"%d", intValue]];
Related
I am trying to show the number of objects in an NSArray in a UILabel as part of a UITabelViewCell:
UILabel *numberLabel = (UILabel *)[cell viewWithTag:103];
numberLabel.numberOfLines = [self.inputValues indexOfObject:inputValue];
NSLog(#"rownumber is: %d", numberLabel.numberOfLines);
The NSLoggives me the right number, but the label shows just the default title value. What am I missing here? No errors are thrown.
You need to set the label's text property. Example:
NSUInteger index = [self.inputValues indexOfObject:inputValue];
numberLabel.text = [NSString stringWithFormat:#"Row %lu", (unsigned long)index];
However, it seems likely that you could just use the row from the cell's index path, like this:
numberLabel.text = [NSString stringWithFormat:#"Row %ld", (long)indexPath.row];
I'm pretty sure that instead you want:
UILabel *numberLabel = (UILabel *)[cell viewWithTag:103];
numberLabel.text = [NSString stringWithFormat:#"%d", [self.inputValues indexOfObject:inputValue]];
NSLog(#"rownumber is: %d", numberLabel.numberOfLines);
i'm programming in Obj-c with xcode4.1, i have an array with numbers in it, and i want to visualize all of them in a label...can anyone help me around this please?
thanks!
this is the code:
combinedString=[[NSMutableArray alloc] init];
NSString *finalStringLabel=#"";
for (i=0; i<=textLength; i++) {
//character coding
char myChar = [myString characterAtIndex:i];
NSString *myCharS=[NSString stringWithFormat:#"%c", myChar];
int asciiCode=[myCharS characterAtIndex:0];
NSString *asciiS=[NSString stringWithFormat:#"%i", asciiCode];
[combinedString addObject:asciiS];
}
finalStringLabel=[NSString stringWithFormat:#"", [combinedString componentsJoinedByString:#"."]];
myLabel.text=finalStringLabel;
[combinedString release];
}
You can use this
NSArray *yourArray;
NSString *createdString = [yourArray componentsJoinedByString:#" "];
myLabel.text = createdString;
As your array is combinedString,
combinedString=[[NSMutableArray alloc] init];
looks like you are providing values after this line or this is not a property (this is a local as you are releasing it later), and your code in not complete.
Anyways,
You don't need to create an empty string and then assign new object to it, need to do as :
myLabel.text=[combinedString componentsJoinedByString:#"."];
[combinedString release];
}
For example, I have the following code, where lblPercent is an NSTextField:
double Progress = progress( Points);
[lblPercent setIntValue:(Progress)];
I set it as integer value so it tosses out the decimal, since for some reason the NSProgressIndicator forces me to use a double. Anyway, in the label adjacent to the progress bar, I want it see the number x% with the percent sign next to it.
I tried standard concatenation techniques but no dice.
You should use an NSNumberFormatter with the percent style
NSNumberFormatter* formatter = [[NSNumberFormatter alloc] init];
[formatter setNumberStyle: NSNumberFormatterPercentStyle];
// Any other format settings you want
NSString* formattedNumber = [formatter stringFromNumber: [NSNumber numberWithDouble: progress]];
try
[lblPercent setText:[NSString stringWithFormat:#"%d%%",[Progress intValue]]];
NSMutableString *value = lblPercent.text;
[value appendString:#"%"];
[lblPercent setText:value];
You can use unicode characters to get the percent sign.
i.e.
double value;
myLabel.text = [NSString stringWithFormat:#"%d\u0025", value ]
u0025 is the unicode character for 'percent sign'
NSInteger percentageProgress = (NSInteger) (Progress * 100);
[lblPercent setText:[NSString stringWithFormat:#"%d%%", percentageProgress]];
NSString *string = [NSString stringWithFormat:#"%.0f%#",Progress, #"%"];
[lblPercent setStringValue:string];
This seems to had worked for me doing it the way I had done it...
I'm trying to figure out how to take the individual characters in an NSString object and create UILabels from them, with the UILabel text set to the individual character.
I'm new to Cocoa, but so far I have this...
NSString *myString = #"This is a string object";
for(int i = 0; i < [myString length]; i++)
{
//Store the character
UniChar chr = [myString characterAtIndex:i];
//Stuck here, I need to convert character back to an NSString object so I can...
//Create the UILabel
UILabel *lbl = [[UILabel alloc] initWithFrame....];
[lbl setText:strCharacter];
//Add the label to the view
[[self view] addSubView:lbl];
}
Aside from where I'm stuck, my approach already feels very hackish, but I'm a noob and still learning. Any suggestions for how to approach this would be very helpful.
Thanks so much for all your help!
You want to use -substringWithRange: with a substring of length 1.
NSString *myString = #"This is a string object";
NSView *const parentView = [self superview];
const NSUInteger len = [myString length];
for (NSRange r = NSMakeRange(0, 1); r.location < len; r.location += 1) {
NSString *charString = [myString substringWithRange:r];
/* Create a UILabel. */
UILabel *label = [[UILabel alloc] initWithFrame....];
[lbl setText:charString];
/* Transfer ownership to |parentView|. */
[parentView addSubView:label];
[label release];
}
So I have an NSArray "myArray" with NSNumbers and NSStrings. I need them in another UIView so i go like this:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
DetailViewController *details = [[DetailViewController alloc] initWithNibName:#"DetailView" bundle:nil];
details.subjectText = [[myArray objectAtIndex:indexPath.row] objectForKey:#"subject"];
The subjectText works.
But how can I get the NSNumbers out of it? (I actually need them as strings...)
I would convert a NSString out of a NSNumber like this:
NSString *blah = [NSNumber intValue]. But I don't know how to set it up in the code above...
Try:
NSString *myString = [NSNumber stringValue];
You can do it with:
NSNumber *myNumber = #15;
NSString *myNumberInString = [myNumber stringValue];
//An example of implementation :
// we set the score of one player to a value
[Game getCurrent].scorePlayer1 = [NSNumber numberWithInteger:1];
// We copy the value in a NSNumber
NSNumber *aNumber = [Game getCurrent].scorePlayer1;
// Conversion of the NSNumber aNumber to a String with stringValue
NSString *StringScorePlayer1 = [aNumber stringValue];
or try NSString *string = [NSString stringWithFormat:#"%d", [NSNumber intValue], nil];
The funny thing is that NSNumber converts to string automatically if it becomes a part of a string. I don't think it is documented.
Try these:
NSLog(#"My integer NSNumber:%#",[NSNumber numberWithInt:184]);
NSLog(#"My float NSNumber:%#",[NSNumber numberWithFloat:12.23f]);
NSLog(#"My bool(YES) NSNumber:%#",[NSNumber numberWithBool:YES]);
NSLog(#"My bool(NO) NSNumber:%#",[NSNumber numberWithBool:NO]);
NSString *myStringWithNumbers = [NSString stringWithFormat:#"Int:%#, Float:%# Bool:%#",[NSNumber numberWithInt:132],[NSNumber numberWithFloat:-4.823f],[NSNumber numberWithBool:YES]];
NSLog(#"%#",myStringWithNumbers);
It will print:
My integer NSNumber:184
My float NSNumber:12.23
My bool(YES) NSNumber:1
My bool(NO) NSNumber:0
Int:132, Float:-4.823 Bool:1
Works on both Mac and iOS
This one does not work:
NSString *myNSNumber2 = [NSNumber numberWithFloat:-34512.23f];
In Swift you can do like this
let number : NSNumber = 95
let str : String = number.stringValue
In Swift 3.0
let number:NSNumber = 25
let strValue = String(describing: number as NSNumber)
print("As String => \(strValue)")
We can get the number value in String.