Recursion of subviews of view

// -   Method 1 
- (void)getSubView:(UIView *)view array:(NSMutableArray *)array{
    for (UIView *sub in view.subviews){
        [array addObject:sub];
        [self getSubView:sub array:array];
    }
}

// -   Method 2 
- (NSMutableArray *)getSubView:(UIView *)view{
    if (view.subviews.count == 0) return [NSMutableArray arrayWithObject:view];
    NSMutableArray *sArray = [NSMutableArray arrayWithObject:view];
    for (UIView *sub in view.subviews){
        NSArray *array = [self getSubView:sub];
        [sArray addObjectsFromArray:array];
    }
    return sArray;
}

// -  Print view All recursive children of view
- (void)printSubView:(UIView *)view format:(NSString *)format{
    NSLog(@"%@--|%@", format, view);
    for (UIView *sub in view.subviews){
        [self printSubView:sub format:[format stringByAppendingFormat:@"  "]];
    }
}