IOS APP Log Writing files (Log collection)

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOption // Log collection (logs will be intercepted and flushed out during development) [self redirectNSlogToDocumentFolder];
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Method implementation

#pragma mark - Log collection
- (void)redirectNSlogToDocumentFolder
{
    NSString *documentDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
    
    NSDateFormatter *dateformat = [[NSDateFormatter  alloc]init];
    [dateformat setDateFormat:@"yyyy-MM-dd-HH-mm-ss"];
    NSString *fileName = [NSString stringWithFormat:@"LOG-%@.txt",[dateformat stringFromDate:[NSDate date]]];
    NSString *logFilePath = [documentDirectory stringByAppendingPathComponent:fileName]; NSFileManager *defaultManager = [NSFileManager defaultManager]; [defaultManager removeItemAtPath:logFilePath error:nil]; / / will belogEnter the file freopen([logFilePath cStringUsingEncoding:NSASCIIStringEncoding], "a+", stdout);
    
    freopen([logFilePath cStringUsingEncoding:NSASCIIStringEncoding], "a+", stderr);
}
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Upload files to the server when collection is needed