title: Android Studio 2.2.3: Error Running App: Default Activity not found
body: <p>I am stuck with my AndroidManifest.xml file:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.example.mertino11.ourapplication"&gt;
  
      &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
  
  
      &lt;activity
          android:name=".AccountActivity"&gt;&lt;/activity&gt;
          android:theme="@style/AppTheme"&gt;
          &lt;application
          android:name=".FireApp"
          android:allowBackup="true"
          android:icon="@mipmap/ic_launcher"
          android:label="@string/app_name"
          android:supportsRtl="true"
  
          &lt;intent-filter&gt;
              &lt;action android:name="android.intent.action.MAIN"/&gt;
              &lt;category android:name="android.intent.category.LAUNCHER"/&gt;
          &lt;/intent-filter&gt;
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>
  
  <p>What am I doing wrong?</p>