camera/texture-view/src/main/java/com/sample/textureview/ViewActivity.java [75:96]:
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    private boolean isCamera2Device() {
        CameraManager camMgr = (CameraManager)getSystemService(Context.CAMERA_SERVICE);
        boolean camera2Dev = true;
        try {
            String[] cameraIds = camMgr.getCameraIdList();
            if (cameraIds.length != 0 ) {
                for (String id : cameraIds) {
                    CameraCharacteristics characteristics = camMgr.getCameraCharacteristics(id);
                    int deviceLevel = characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
                    int facing = characteristics.get(CameraCharacteristics.LENS_FACING);
                    if (deviceLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY &&
                            facing == LENS_FACING_BACK) {
                        camera2Dev =  false;
                    }
                }
            }
        } catch (CameraAccessException e) {
            e.printStackTrace();
            camera2Dev = false;
        }
        return camera2Dev;
    }
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camera/basic/src/main/java/com/sample/camera/basic/CameraActivity.java [126:147]:
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    private boolean isCamera2Device() {
        CameraManager camMgr = (CameraManager)getSystemService(Context.CAMERA_SERVICE);
        boolean camera2Dev = true;
        try {
            String[] cameraIds = camMgr.getCameraIdList();
            if (cameraIds.length != 0 ) {
                for (String id : cameraIds) {
                    CameraCharacteristics characteristics = camMgr.getCameraCharacteristics(id);
                    int deviceLevel = characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
                    int facing = characteristics.get(CameraCharacteristics.LENS_FACING);
                    if (deviceLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY &&
                        facing == LENS_FACING_BACK) {
                        camera2Dev =  false;
                    }
                }
            }
        } catch (CameraAccessException e) {
            e.printStackTrace();
            camera2Dev = false;
        }
        return camera2Dev;
    }
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