<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.pittihelloworld">
+ <uses-feature android:name="android.hardware.camera" android:required="true" />
+ <!-- <uses-permission android:name="android.permission.CAMERA" /> does not help -->
+
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"