Write & Read pList

// Write Plist file

int yourValue=1;

 NSString *lastBookPath=[NSString stringWithFormat:@"%@/library/my.plist",[DocumentDirectory libraryDirectoryPath]];

                            

    NSMutableArray *lastBookArray = [NSMutableArray array];

    NSMutableDictionary *dictionary;

    

    dictionary = [NSMutableDictionary dictionary];

    [dictionary setValue:[NSString stringWithFormat:@"%i",yourValue] forKey:@"Value"];

    [lastBookArray addObject:dictionary]; 

    [lastBookArray writeToFile:lastBookPath atomically:NO];

// Read Plist file

-(int)readPlistFile{

    

    NSFileManager *fileManager=[NSFileManager defaultManager];

    NSString *lastBookPath=[NSString stringWithFormat:@"%@/library/my.plist",[DocumentDirectory libraryDirectoryPath]];

    if ([fileManager fileExistsAtPath:plistFilePath]){

        NSArray *arrayThatWasRead = [NSArray arrayWithContentsOfFile:plistFilePath];

        

        NSDictionary *dictionaryFromArrayThatWasRead = [arrayThatWasRead objectAtIndex:0];

        

        return [[dictionaryFromArrayThatWasRead valueForKey:@"Value"]intValue];

        

    }

    return 0;

}