Fix White page is shown instead plaid in landscape

Author: GCyganek

android/app/src/main/AndroidManifest.xml

@@ -167,6 +167,7 @@
         <activity
                 android:name="com.plaid.internal.link.LinkActivity"
                 android:launchMode="singleTask"
+                android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode"
                 tools:replace="android:launchMode"/>
 
         <meta-data

android/app/src/main/java/com/expensify/chat/MainApplication.kt

@@ -2,9 +2,13 @@ package com.expensify.chat
 
 import com.facebook.react.common.assets.ReactFontManager
 
+import android.app.Activity
 import android.app.ActivityManager
+import android.app.Application
+import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.database.CursorWindow
+import android.os.Bundle
 import android.os.Process
 import androidx.multidex.MultiDexApplication
 import com.expensify.chat.bootsplash.BootSplashPackage
@@ -42,6 +46,24 @@ class MainApplication : MultiDexApplication(), ReactApplication {
 
     override fun onCreate() {
         super.onCreate()
+
+        // Plaid's LinkActivity calls setRequestedOrientation(PORTRAIT) in its own onCreate(),
+        // which forces the UI to portrait even when the device is in landscape. We override it
+        // here so Plaid can render in whichever orientation the device is actually in.
+        registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks {
+            override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+                if (activity.javaClass.name == "com.plaid.internal.link.LinkActivity") {
+                    activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+                }
+            }
+            override fun onActivityStarted(activity: Activity) {}
+            override fun onActivityResumed(activity: Activity) {}
+            override fun onActivityPaused(activity: Activity) {}
+            override fun onActivityStopped(activity: Activity) {}
+            override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
+            override fun onActivityDestroyed(activity: Activity) {}
+        })
+
         ReactFontManager.getInstance().addCustomFont(this, "Custom Emoji Font", R.font.custom_emoji_font)
         ReactFontManager.getInstance().addCustomFont(this, "Expensify New Kansas", R.font.expensify_new_kansas)
         ReactFontManager.getInstance().addCustomFont(this, "Expensify Neue", R.font.expensify_neue)