在实际生活应用中，我们希望用户在点击视频时一打开的时候就自动全屏播放，达到更加绚丽的视觉体验效果；
****** Appdelegate.h ** 类中*****
#import <UIKit/UIKit.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@property(nonatomic,assign)BOOL isFull;///<是否允许自动旋转
@end
》》》Appdelegate .m 文件
- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window
{
if (!_isFull) {
return UIInterfaceOrientationMaskPortrait;
}else{
return UIInterfaceOrientationMaskAllButUpsideDown;
}
}
#import "ViewController.h"
#import "AppDelegate.h"
@interface ViewController ()<UIWebViewDelegate>{
AppDelegate *app;
}
@end
@implementation ViewController
- (void)dealloc{
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIWindowDidBecomeHiddenNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIWindowDidBecomeVisibleNotification object:nil];
}
-(void)playerWillExitFullscreen:(id)sender{
NSLog(@"退出播放视频了");
app.isFull=NO;
/**
下边方法的使用场景:
如果点击视频,自动旋转为横屏播放状态,点击完成按钮,需要是程序变为竖屏状态,需要下边的代码
*/
UIViewController *vc = [[UIViewController alloc]init];
[self presentViewController:vc animated:NO completion:nil];
[vc dismissViewControllerAnimated:NO completion:nil];
}
-(void)playerWillShowFullScreen:(id)sender{
NSLog(@"播放视频了");
app.isFull=YES;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.title=@"webView";
CGRect rect=self.view.frame;
// rect.size.height-=64;
UIWebView *webView=[[UIWebView alloc] initWithFrame:rect];
webView.delegate=self;
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.tudou.com/albumplay/O8GDpd7v8RA/qTfiUJAEdm0.html"]]];
[self.view addSubview:webView];
app=(AppDelegate *)[UIApplication sharedApplication].delegate;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)webViewDidFinishLoad:(UIWebView *)webView{
//通知写在这里是因为网页加载完成但是没有播放视频,也会调用playerWillExitFullscreen方法
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIWindowDidBecomeHiddenNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIWindowDidBecomeVisibleNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playerWillExitFullscreen:) name:UIWindowDidBecomeHiddenNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playerWillShowFullScreen:) name:UIWindowDidBecomeVisibleNotification object:nil];
}
@end