AndroidManifest.xml

<?xml version="1.0" encoding="UTF-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="12" android:versionName="4.0" package="com.josemoyagmail.com.daltonaid">
    <uses-sdk android:minSdkVersion="17" android:targetSdkVersion="26"/>
    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
    <uses-feature android:name="android.hardware.camera" android:required="true"/>
    <uses-feature android:name="android.hardware.camera.any" android:required="false"/>
    <uses-permission android:name="android.permission.CAMERA"/>
    <application android:icon="@drawable/icon" android:label="">
        <activity android:name=".MainActivity" android:theme="@style/Theme.AppCompat.Light.NoActionBar.FullScreen">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>
</manifest>