Android TV 遥控器切换主副屏

private final List<CameraPreviewHolder> cameraPreviewHolderList = new ArrayList<>(2);cameraPreviewHolderList.get(1).toSecondary();//用较小尺寸创造副屏public boolean onKeyDown(int keyCode, KeyEvent event) {AppLogger.e("keyCode=" + keyCode + ", event=" + event.getAction());if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN ||keyCode == KeyEvent.KEYCODE_DPAD_LEFT ||keyCode == KeyEvent.KEYCODE_DPAD_UP ||keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {long diff = System.currentTimeMillis() - lastExchangeTime;if (this.deviceCount == 2 && diff >= 5000 && this.cameraPreviewList.size() > 0) {synchronized (this.cameraPreviewList) {this.lastExchangeTime = System.currentTimeMillis();// 交换主副屏exchangeCameraPreview();}}return true;}return super.onKeyDown(keyCode, event);}private void exchangeCameraPreview() {final int previewSize = this.cameraPreviewList.size();final CameraPreviewHolder primaryHolder = cameraPreviewHolderList.get(0);final CameraPreviewHolder secondaryHolder = cameraPreviewHolderList.get(1);if (previewSize == 1) {final CameraPreview cameraPreview = this.cameraPreviewList.get(0);cameraPreview.stop();if (primaryHolder.videoShowing()) {primaryHolder.hideVideo();cameraPreview.play(secondaryHolder.getSurfaceView());secondaryHolder.showVideo();} else {secondaryHolder.hideVideo();cameraPreview.play(primaryHolder.getSurfaceView());primaryHolder.showVideo();}} else if (previewSize == 2) {final CameraPreview primaryPreview = this.cameraPreviewList.get(0);final CameraPreview secondaryPreview = this.cameraPreviewList.get(1);primaryPreview.stop();secondaryPreview.stop();if (primaryPreview.getSurfaceView() == primaryHolder.getSurfaceView()) {primaryPreview.play(secondaryHolder.getSurfaceView());secondaryPreview.play(primaryHolder.getSurfaceView());} else {primaryPreview.play(primaryHolder.getSurfaceView());secondaryPreview.play(secondaryHolder.getSurfaceView());}}}public void toSecondary() {if (this.surfaceView == null) {return;}int height = (int) (Settings.DISPLAY_HEIGHT * 0.3);int width = (int) ((16 / 9.0) * height);AppLogger.e("DISPLAY_HEIGHT=" + Settings.DISPLAY_HEIGHT + ", height=" + height + ", width=" + width);FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(width, height);params.topMargin=6;params.leftMargin=6;this.surfaceView.setLayoutParams(params);this.surfaceView.getHolder().setFixedSize(width, height);this.surfaceView.setZOrderMediaOverlay(true);this.surfaceView.setZOrderOnTop(true);if (this.noVideoView != null) {this.noVideoView.setLayoutParams(new FrameLayout.LayoutParams(width, height));ImageView imageView=noVideoView.findViewById(R.id.no_video);RelativeLayout.LayoutParams rlparams = new RelativeLayout.LayoutParams(120, 120);rlparams.addRule(RelativeLayout.CENTER_IN_PARENT);imageView.setLayoutParams(rlparams);}}

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Android TV 遥控器切换主副屏

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