안드로이드 WebView 전체 화면 설정

WebChromeClient

webChromeClient의 기본 설정에는 html의 비디오 태그를 전체화면 할 수 있는 기능이 없어서 WebChromeClient 클래스를 상속받은 새로운 클래스를 생성해야 한다.

 

onShowCustomView, onHideCustomView 메서드를 오버라이드해 onShowCustomView에서는 전체화면이 되는 기능을 구현하고 onHideCustomView 에는 전체화면 종료시 화면이 바뀌도록 기능을 구현하면 된다.

 

코드

	@Override
    protected void onCreate(Bundle savedInstanceState) {
    	super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        webView = findViewById(R.id.webView);

        webView.setWebViewClient(new WebViewClient());
        // WebChromeClient 설정
        webView.setWebChromeClient(new FullscreenWebChromeClient(this));
        webView.getSettings().setUseWideViewPort(true);
        webView.getSettings().setLoadWithOverviewMode(true);      
    }

/**
     * 비디오 태그 전체화면 설정 클래스
     */
    public class FullscreenWebChromeClient extends WebChromeClient {
        private View customView;
        private FrameLayout fullscreenContainer;
        private WebChromeClient.CustomViewCallback customViewCallback;

        private Activity activity;

        public FullscreenWebChromeClient(Activity activity) {
            this.activity = activity;
        }

        @Override
        public void onShowCustomView(View view, CustomViewCallback callback) {
            if (customView != null) {
                callback.onCustomViewHidden();
                return;
            }

            customView = view;
            customViewCallback = callback;
            fullscreenContainer = new FrameLayout(view.getContext());
            fullscreenContainer.addView(customView, new FrameLayout.LayoutParams(
                    FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));
            getWindow().addContentView(fullscreenContainer, new FrameLayout.LayoutParams(
                    FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));
            fullscreenContainer.setVisibility(View.VISIBLE);

            // 가로 모드로 전환
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
            getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_FULLSCREEN);
        }

        @Override
        public void onHideCustomView() {
            if (customView == null) {
                return;
            }

            fullscreenContainer.setVisibility(View.GONE);
            ((FrameLayout) getWindow().getDecorView()).removeView(fullscreenContainer);
            customView = null;
            fullscreenContainer = null;
            customViewCallback.onCustomViewHidden();

            // 기본 방향으로 전환
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
            getWindow().getDecorView().setSystemUiVisibility(
                    View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR
                            | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
            );
        }
    }