title: Android project creates 2 icons on menu
body: <p>I have an Android social sharing application with FB sharing . When i install the application it creates 2 icons with the same name and image . 
  1. First Icon open's the main application
  2. Second Icon Open's the FB login page .</p>
  
  <p>I am doubting my manifest.xml.But i am not sure what is wrong here .</p>
  
  <p>Adding .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.naval.mailer"&gt;
  
      &lt;application
          android:allowBackup="true"
          android:icon="@mipmap/socialicon"
          android:label="@string/app_name"
          android:supportsRtl="true"
          android:theme="@style/AppTheme"&gt;
  
          &lt;activity android:name=".MainActivity"&gt;
              &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;/activity&gt;
          &lt;meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id"/&gt;
          &lt;activity android:name=".LoginActivity"
              android:theme="@style/Theme.AppCompat.Dialog"
          &gt;
              &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;/activity&gt;
  
  
  
          &lt;activity android:name="com.facebook.FacebookActivity"
              android:configChanges=
                  "keyboard|keyboardHidden|screenLayout|screenSize|orientation"
              android:theme="@android:style/Theme.Translucent.NoTitleBar"
              android:label="@string/app_name" /&gt;
  
          &lt;provider android:authorities="com.facebook.app.FacebookContentProvider860551367360117"
              android:name="com.facebook.FacebookContentProvider"
              android:exported="true" /&gt;
  
  
      &lt;/application&gt;
      &lt;uses-permission android:name="android.permission.INTERNET"/&gt;
      &lt;uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/&gt;
      &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
  &lt;/manifest&gt;
  </code></pre>