Prevent widget web view from reloading on screen / orientation change (PSF-1034)

[Johennes]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

This applies the same configChange settings we use on VectorCallActivity and VectorJitsiActivity to WidgetActivity to prevent the widget web view from reloading on device screen or orientation changes.

Motivation and context

We'll be using the widget system to integrate Element Call into the app. Currently rotating the device causes the widget web view to reload which disconnects the call.

Tests

• Join #ecwidgettest:matrix.org
• Navigate through into the widget web view running Element Call
• Rotate the device
• The web page shouldn't reload

Tested devices

• Emulator
• OS version(s): 12

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[github-actions]

Unit Test Results

124 files  ±0  124 suites  ±0   2m 4s ⏱️ -12s
220 tests ±0  220 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
726 runs  ±0  726 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 7913a42. ± Comparison against base commit a59b8bf.

[onurays]

Thank you for your contribution!

[Johennes]

@ouchadam I heard you're short on reviews so maybe you could give the second review here in case Francois doesn't have time to get to it? 😇

[ouchadam]

ideally we'd let the system reconfigure but avoid calling loadUrl on the webview on each creation buttt as we're already using this pattern in other screens 👍

[github-actions]

Matrix SDK

Integration Tests Results:

• [org.matrix.android.sdk.session]
  = passed=20 failures=0 errors=0 skipped=3
• [org.matrix.android.sdk.account]
  = passed=3 failures=0 errors=0 skipped=2
• [org.matrix.android.sdk.internal]
  = passed=28 failures=1 errors=0 skipped=0
• [org.matrix.android.sdk.ordering]
  = passed=16 failures=0 errors=0 skipped=0
• [org.matrix.android.sdk.PermalinkParserTest]
  = passed=2 failures=0 errors=0 skipped=0