#import <UIKit/UIKit.h> @interface RootViewController : UIViewController @end

#import "RootViewController.h" //加入头文件 #import "GifView.h" @interface RootViewController () @end @implementation RootViewController - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization  } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view.  GifView *gifview = [[GifView alloc] initWithFrame:CGRectMake(0, 0, 200, 200) filePath:[[NSBundle mainBundle] pathForResource:@"test.gif" ofType:nil]]; [self.view addSubview:gifview]; }