Register Application class in Manifest?

I have one Application class to keep the global state of my application. But I'm unable to register it in Manifest file? Any idea how to do this?

If it derives from Application, add the fully qualified (namespace + class name) as the android:name parameter of the application element in your manifest.

<application
    	android:name="com.you.yourapp.ApplicationEx"

Or if the class' package can be described as relative to the package in the manifest tag, then just start with a .:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.you.yourapp">

    <application
        android:name=".ApplicationEx"

but in case you are already using some library like branch.io's library then most probably your manifest

<application name="">

property will already have some name like

`<application name="io.referral.BranchApp">

in that case you need to first extend your application class, like below:

public class Application extends BranchApp

and then register your application in manifest as:

android:name="absdevelopers.com.brankreferal.Application"

this works perfectly for me :) i hope it helps someone in trouble :)

If you are using a MultiDex application you will already have "android:name" in use so instead extend android.support.multidex.MultiDexApplication:

public class MyApplication extends MultiDexApplication {...}

And add it to the Android manifest:

android:name="app.package.MyApplication"

If the activity is included as a dependency that you can lauch a class this should solve it in 2021.

Add tools:ignore="MissingClass" to your activity element in the Android manfifest file

example

<activity
            android:name="com.google.android.gms.oss.licenses.OssLicensesActivity"
            android:screenOrientation="portrait"
            android:theme="@style/LicensesTheme"
            tools:ignore="MissingClass"/>