[POC] Launching a Paywall in a new Window

[JayShortway]

Description

We can launch a Paywall in a new Window instead of in an Activity. This has the following benefits:

• It allows us to set a realtime listener, instead of only getting a single result after the Paywall is dismissed.
• It allows us to show the Paywall from plain Activities. Our PaywallActivity uses an intermediate PaywallFragment, which means that the launching Activity (from the app) needs to be a FragmentActivity. This requirement can be dropped when using a Window. This allows us to support Paywalls in purchases-unity.

Here's a video showing the realtime listener:

listener.mov

Still some rough edges:

• The window is showing underneath the popup. Maybe that's just a bug in PaywallTester, but maybe we can fix it from the Paywall side too.
• We still have to implement transition animations.
• We'll have to add edge to edge support.
• We'll need to remove the PaywallView from the Window when the app's Activity gets destroyed.

[emerge-tools]

📸 Snapshot Test

660 unchanged

Name	Added	Removed	Modified	Renamed	Unchanged	Errored	Approval
TestPurchasesUIAndroidCompatibility com.revenuecat.testpurchasesuiandroidcompatibility	0	0	0	0	404	0	N/A
TestPurchasesUIAndroidCompatibility Paparazzi com.revenuecat.testpurchasesuiandroidcompatibility.paparazzi	0	0	0	0	256	0	N/A

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.10%. Comparing base (b9a831c) to head (6eb1f8a).
⚠️ Report is 51 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2528   +/-   ##
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  Coverage   78.10%   78.10%           
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  Files         286      286           
  Lines       10573    10573           
  Branches     1485     1485           
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  Hits         8258     8258           
  Misses       1668     1668           
  Partials      647      647           

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[aboedo]

awesome