AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="ai.kitt.snowboy.demo"
    android:versionCode="1"
    android:versionName="1.0">

    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.CAMERA"/>
    <uses-permission android:name="android.permission.VIBRATION"/>

    <application
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        <activity android:name="ai.kitt.snowboy.LoginActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity android:name="ai.kitt.snowboy.DashboardActivity"
            android:theme="@style/Dashboard">

        </activity>
        <activity android:name="ai.kitt.snowboy.FormActivity"/>
        <activity
            android:name="ai.kitt.snowboy.Demo"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"/>
<!--        <activity-->
<!--            android:name="ai.kitt.snowboy.FormActivity"-->
<!--            android:configChanges="orientation|keyboardHidden"-->
<!--            android:screenOrientation="portrait" />-->

        <activity
            android:name="ai.kitt.snowboy.PreviewActivity"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"/>

        <activity android:name="ai.kitt.snowboy.qr_scanner">

        </activity>
    </application>

</manifest>