Android视频直播全屏实现

 /**
     * 添加直播组件
     */
    @SuppressLint("JavascriptInterface")
    private void addPlayerLive(final SubjectActivityModule.SubjectActivityBean bean) {
        playerLiveBean = bean.getPlayerLive();
        View view = mInflater.inflate(R.layout.layout_subject_player, null);
        playerWebView = view.findViewById(R.id.wv_survey);
        String url = "file:///android_asset/apps/H5FF48005/www/view/artical/iframe.html";
//        String url = playerLiveBean.getPlaySrc();
        ImageView iv_default = view.findViewById(R.id.iv_default);
        WebChromeClient wvcc = new WebChromeClient();
        WebSettings webSettings = playerWebView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        playerWebView.addJavascriptInterface(this, "android");
        webSettings.setUseWideViewPort(true); // 关键点
        webSettings.setAllowFileAccess(true); // 允许访问文件
        webSettings.setSupportZoom(true); // 支持缩放
        webSettings.setDomStorageEnabled(true); //启用或禁用DOM缓存。
        webSettings.setLoadWithOverviewMode(true);
        webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE); // 不加载缓存内容
        playerWebView.setVisibility(View.INVISIBLE);
        playerWebView.setWebChromeClient(wvcc);
        WebViewClient wvc = new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                playerWebView.loadUrl(url);
                return true;
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                iv_default.setVisibility(View.GONE);
                playerWebView.setVisibility(View.VISIBLE);
            }
        };
        playerWebView.setWebViewClient(wvc);

        playerWebView.setWebChromeClient(new WebChromeClient() {

            /*** 视频播放相关的方法 **/

            @Override
            public View getVideoLoadingProgressView() {
                FrameLayout frameLayout = new FrameLayout(SubjectActivityDetailsActivity.this);
                frameLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
                return frameLayout;
            }

            @Override
            public void onShowCustomView(View view, CustomViewCallback callback) {
                showCustomView(view, callback);
            }

            @Override
            public void onHideCustomView() {
                hideCustomView();
            }

            @Override
            public void onProgressChanged(WebView view, int newProgress) {
                super.onProgressChanged(view, newProgress);
//                if (newProgress==100){
//                    iv_default.setVisibility(View.GONE);
//                    playerWebView.setVisibility(View.VISIBLE);
//                }
            }
        });

        // 加载Web地址
        playerWebView.loadUrl(url);
        ll_container.addView(view);
        setPlayerWebViewHeight(view);
    }

    private void setPlayerWebViewHeight(View view) {
        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, (int) (UIUtils.getScreenWidth(this) * 0.5625));
        view.setLayoutParams(layoutParams);
    }


    /**
     * 视频播放全屏
     **/
    private void showCustomView(View view, WebChromeClient.CustomViewCallback callback) {
        // if a view already exists then immediately terminate the new one
        if (customView != null) {
            callback.onCustomViewHidden();
            return;
        }

        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

        getWindow().getDecorView();

        FrameLayout decor = (FrameLayout) getWindow().getDecorView();
        fullscreenContainer = new FullscreenHolder(this);
        fullscreenContainer.addView(view, COVER_SCREEN_PARAMS);
        decor.addView(fullscreenContainer, COVER_SCREEN_PARAMS);
        customView = view;
        setStatusBarVisibility(false);
        customViewCallback = callback;
    }

    /**
     * 隐藏视频全屏
     */
    private void hideCustomView() {
        if (customView == null || playerWebView == null) {
            return;
        }
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        setStatusBarVisibility(true);
        FrameLayout decor = (FrameLayout) getWindow().getDecorView();
        decor.removeView(fullscreenContainer);
        fullscreenContainer = null;
        customView = null;
        customViewCallback.onCustomViewHidden();
        playerWebView.setVisibility(View.VISIBLE);
    }

    /**
     * 全屏容器界面
     */
    static class FullscreenHolder extends FrameLayout {

        public FullscreenHolder(Context ctx) {
            super(ctx);
            setBackgroundColor(ctx.getResources().getColor(android.R.color.black));
        }

        @Override
        public boolean onTouchEvent(MotionEvent evt) {
            return true;
        }
    }

    private void setStatusBarVisibility(boolean visible) {
        int flag = visible ? 0 : WindowManager.LayoutParams.FLAG_FULLSCREEN;
        getWindow().setFlags(flag, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        switch (keyCode) {
            case KeyEvent.KEYCODE_BACK:
                /** 回退键 事件处理 优先级:视频播放全屏-网页回退-关闭页面 */
                if (customView != null) {
                    hideCustomView();
                } else if (playerWebView != null && playerWebView.canGoBack()) {
                    playerWebView.goBack();
                } else {
                    finish();
                }
                return true;
            default:
                return super.onKeyUp(keyCode, event);
        }
    }

    /**
     * 供h5调用  返给h5视频播放地址
     */
    @JavascriptInterface
    public String getPlayerLiveSrc() {
        if (playerLiveBean == null || TextUtils.isEmpty(playerLiveBean.getPlaySrc())) {
            return "";
        }
        return playerLiveBean.getPlaySrc();
    }