PAY-1893: Feature Flag Android PaymentSheet User Settings

[Arkariang]

📲 What

Introducing stripe's PaymentSheet on user settings flow, in order to do it safely we are adding a new feature flag:

• If the feature flag is on, when the user hits settings -> account -> paymentMethods, we will load PaymentMethodsSettingsActivity
• if the feature flag is off, when the user hits settings -> account -> paymentMethods, we will load PaymentMethodsSettingsActivityLegacy

🤔 Why

• When the user hits the button Add new card on the legacy activity the legacy cardwidget is presented
• When the user hits the button Add new card on the non legacy screen currently nothing happens, but in future stories the PaymentSheet will be implemented.

👀 See

| Feature flag off |

FFOff.mp4

| Feature flag on |

FFOn.mp4

| --- | --- |
| | |

📋 QA

• Turn on/off in optimizely the feature flag Android PaymentSheet User Settings
• with the feature flag off, you should be able to add a payment source.
• with the feature flag on, the add new card button currently has no action associated.

Story 📖

PAY-1893

[codecov]

Codecov Report

Merging #1682 (645fb0b) into master (c76dc6e) will increase coverage by 0.03%.
The diff coverage is 88.52%.

@@             Coverage Diff              @@
##             master    #1682      +/-   ##
============================================
+ Coverage     78.56%   78.59%   +0.03%     
  Complexity     1892     1892              
============================================
  Files           358      359       +1     
  Lines         17029    17089      +60     
  Branches       2145     2150       +5     
============================================
+ Hits          13378    13431      +53     
- Misses         2399     2404       +5     
- Partials       1252     1254       +2     

Impacted Files	Coverage Δ
...com/kickstarter/libs/utils/extensions/IntentExt.kt	83.33% <0.00%> (-4.91%)	⬇️
...tarter/viewmodels/PaymentMethodsViewModelLegacy.kt	92.85% <92.85%> (ø)
...a/com/kickstarter/libs/models/OptimizelyFeature.kt	88.88% <100.00%> (+1.38%)	⬆️

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[leighdouglas]

Looks great! 🚀🚀