storyboard import xib file

using xib for storyboard  

import outside xib for storyboard to push

don't forget to Add  to targets

.m

//#import "selfxib.h"
#import "xib.h"
@interface ViewController ()
- (IBAction)push:(id)sender {
    
 
    xib *newxib = [[xib alloc] initWithNibName:@"xib" bundle:nil];    
    [self.navigationController pushViewController: newxib animated: YES];
    
    //selfxib *newxib = [[selfxib alloc] initWithNibName:@"selfxib" bundle:nil];    
    //[self.navigationController pushViewController: newxib animated: YES];
}

Tab Bar 連結xib的方法

把view controller的 view delete掉 加入該串接的xib .m 的名稱