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PackageManager pm = getPackageManager();
// FEATURE_CAMERA - åç½®ç¸æº
// FEATURE_CAMERA_FRONT - åç½®ç¸æº
if (!pm.hasSystemFeature(PackageManager.FEATURE_CAMERA)
&& !pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FRONT)) {
Log.i("camera", "non-support");
} else {
Log.i("camera", "support");
}