AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.audacious_software.pennyworth">
    <uses-permission android:name="android.permission.BLUETOOTH" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <meta-data android:name="com.google.android.geo.API_KEY" android:value="@string/google_api_key" />
        <meta-data android:name="com.google.android.awareness.API_KEY" android:value="@string/google_api_key"/>
        <meta-data android:name="com.google.android.nearby.messages.API_KEY" android:value="@string/google_api_key" />
       <activity
            android:name="com.audacious_software.pennyworth.MainActivity"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:screenOrientation="portrait" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name="com.audacious_software.passive_data_kit.activities.OAuthResponseActivity"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:screenOrientation="portrait" >
            <intent-filter>
                <data android:scheme="pdk" />
                <data android:host="pennyworth"/>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
            </intent-filter>
        </activity>
    </application>
</manifest>