Is there a way to pass command line options to my iOS app from Xcode?

Question

I\'m hoping to find a method to pass certain information in to my app when I launch it during testing, so that I can perform special debug tasks. Xcode has a section \"Arguments

Answer 1

For those who stumbled to this question like me :) I wanted to have a logLevel for my static lib. The way I did is,

static NSUInteger logLevel = 1;
/** This argument should be passed from XCode's build scheme configuration option, Arguments passed on launch */
static const NSString *kIdcLogLevelArgument = @"-com.mycompany.IDCLogLevel";

@implementation IDCLogger

+ (instancetype)sharedInstance {
    static id sharedInstance = nil;

    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        sharedInstance = [[self alloc] init];
    });

    return sharedInstance;
}

+(void)initialize
{
    logLevel = 1;
    NSArray *arguments = [[NSProcessInfo processInfo] arguments];
    NSUInteger value = 0;

    if ([arguments containsObject:kIdcLogLevelArgument]) {
        NSUInteger index = [arguments indexOfObject:kIdcLogLevelArgument];
        if (arguments.count > index) {
            NSString *valueStr = [arguments objectAtIndex:index + 1];
            NSCharacterSet* notDigits = [[NSCharacterSet decimalDigitCharacterSet] invertedSet];
            if ([valueStr rangeOfCharacterFromSet:notDigits].location == NSNotFound)
            {
                value = [valueStr integerValue];
                logLevel = value;
            }
        }
    }
    NSLog(@"%@:logLevel = %lu", [self class], (unsigned long)logLevel);
}

+ (void)setLogLevel:(NSUInteger)l
{
    logLevel = l;
    NSLog(@"[%@]: Log level set to: %lu", [self class], (unsigned long)l);
}