WKWebView использует HTML для воспроизведения локального видео

Иногда вам нужно использовать WKWebView для воспроизведения видео

-(instancetype)init {
    self = [super init];
    if (self) {
        self.backgroundColor = [UIColor clearColor];
        self.opaque = NO;

        NSURL *baseURL = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];

        NSString *html = @"<center><video id='load_success_video'  width=\"100%\" height=\"100%\" controls><source src=\"load_success_video.mp4\" media=\"\"></video></center>";

        [self loadHTMLString:html baseURL:baseURL];

        self.frame = CGRectMake(0, 0, ScreenSize.width, ScreenSize.height);
        self.configuration.allowsInlineMediaPlayback = YES;
        self.configuration.allowsAirPlayForMediaPlayback = NO;
    }
    return self;
}

-(void)playVideo {
    //call JS func to update JS content
    NSString *js = [NSString stringWithFormat:@"document.getElementById('load_success_video').play()"];



    [self evaluateJavaScript:js completionHandler:^(id _Nullable other, NSError * _Nullable error) {

        if (error) {
#if DEBUG
            NSLog(@"---call function %@ : %@", js, error.userInfo);
#endif
        } else {
#if DEBUG
            NSLog(@"---call js function %@ success", js);
#endif
        }
    }];
}