I downloaded an apk file from http://www.apkmirror.com/apk/facebook-2/facebook/facebook-107-0-0-0-38-release/. I decompiled it using Apktool 2.2.1 which was successful. I looked for the launcher activity in the AndroidManifest.xml file. Here is the code for the launcher activity
<activity-alias android:exported="true" android:icon="@drawable/icon_katana" android:name="com.facebook.katana.LoginActivity" android:targetActivity="com.facebook.katana.activity.FbMainTabActivity">
<meta-data android:name="crash.loop.exclude" android:value="true"/>
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity-alias>
But i did not find any LoginActivity.smali or FbMainTabActivity.smali in com/facebook/katana folder. Moreover in the com/facebook/katana folder there is only one folder named app which contains only 2 files for the splash activity. Here is a screenshot--
My question is why can't I find the smali files as show in the AndroidManifest.xml file? Is it due to ProGuard?
NOTE:- I have knowledge in developing android apps.