检查Android是否具有摄像头

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private static boolean checkCameraFacing(final int facing) { if (getSdkVersion() < Build.VERSION_CODES.GINGERBREAD) { return false; } final int cameraCount = Camera.getNumberOfCameras(); CameraInfo info = new CameraInfo(); for (int i = 0; i < cameraCount; i++) { Camera.getCameraInfo(i, info); if (facing == info.facing) { return true; } } return false; } public static boolean hasBackFacingCamera() { final int CAMERA_FACING_BACK = 0; return checkCameraFacing(CAMERA_FACING_BACK); } public static boolean hasFrontFacingCamera() { final int CAMERA_FACING_BACK = 1; return checkCameraFacing(CAMERA_FACING_BACK); } public static int getSdkVersion() { return android.os.Build.VERSION.SDK_INT; }