Bring splashscreen back

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Javascript

Android

Hello last time i added hide icon code trick to my android app :

PackageManager pm =  getContext().getPackageManager();
                                   pm.setComponentEnabledSetting(
                                           new ComponentName(getContext(), Splash_screen.class),
                                           PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                                           PackageManager.DONT_KILL_APP);

I used splash screen activity because it was started first and after manifest edit splash screen dissapear, now app load without it.
Is there any way to get him back wihtout activity changing? (It must be Splash Activity)

Here s manifest

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

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />


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


 <activity android:name=".Splash_screen">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>



        <activity-alias
            android:name=".Splash_screen"
            android:enabled="true"
            android:icon="@drawable/newtransparenticon"
            android:label=""
            android:targetActivity=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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


 <activity
            android:name="com.google.android.gms.ads.AdActivity"
            android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
            android:excludeFromRecents="true"
            android:icon="@drawable/newtransparenticon"
            android:label=""></activity>








        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">

        </activity>




    </application>

</manifest>

What I have tried:

Everything, really need help with it im newbie.