PackageManager pm = getPackageManager();// FEATURE_CAMERA - 后置相機// FEATURE_CAMERA_FRONT - 前置相機if (!pm.hasSystemFeature(PackageManager.FEATURE_CAMERA)&& !pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FRONT)) {	Log.i("camera", "non-support");} else {	Log.i("camera", "support");}