NSData dataWithContentsOfFile returning null

Question

I am trying to fetching a JSON file which exist in my xcode resources using this code

-(void)readJsonFiles
{
    NSString *str=[[[NSBu         


        

Answer 1

Instead of appending the path, use pathForResource:ofType:, so

NSString *str=[[NSBundle mainBundle] pathForResource:@"classes" ofType:@"json"];

NSData *fileData = [NSData dataWithContentsOfFile:str];