<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="chat.rocket.android">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />

    <application
        android:name=".app.RocketChatApplication"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <activity
            android:name=".app.AuthenticationActivity"
            android:configChanges="orientation"
            android:screenOrientation="portrait"
            android:theme="@style/AuthenticationTheme">
            <!--<intent-filter>-->
                <!--<action android:name="android.intent.action.MAIN" />-->

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

        <activity
            android:name=".app.MainActivity"
            android:theme="@style/AppTheme">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="chat.rocket.android">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />

    <application
        android:name=".app.RocketChatApplication"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <activity
            android:name=".app.AuthenticationActivity"
            android:configChanges="orientation"
            android:screenOrientation="portrait"
            android:theme="@style/AuthenticationTheme" />

        <activity
            android:name=".app.MainActivity"
            android:theme="@style/ChatListTheme" />

        <activity
            android:name=".app.ChatRoomActivity"
            android:theme="@style/AppTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>
Add ChatRoomActivity and update declareded MainActivity theme.
Add ChatRoomActivity and update declareded MainActivity theme.
