IDE-294 Raise Android API level to 35

[reichli]

https://catrobat.atlassian.net/browse/IDE-294

This PR raises the compileSdk/targetSdkVersion to 35 (Android 15) and adapts the code
accordingly to ensure compatibility both to this new Android version as well as backwards
compatibility to older versions.

Changes:

• Checked if we are affected by OpenJDK API changes and boyscout code on the way
• Make UI Edge-to-Edge compatible
• Check background activity launches and improve PendingIntents for NFC, cast and download (this also repaired the NFC feature since PendingIntents need used here to be mutable)
• Improve tests for requesting audio focus to cover pre and post API35 scenarios
• Minor test fixes

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[Copilot]

Pull request overview

This PR updates Catroid to target Android 15 (API 35) by bumping compileSdk / targetSdkVersion and applying compatibility changes across UI insets (edge-to-edge), PendingIntent mutability, and a few API deprecations, plus adding/adjusting instrumentation tests around audio focus behavior.

Changes:

• Bump Android compileSdk / targetSdkVersion to 35.
• Introduce EdgeToEdge insets helper and apply it to various screens/views.
• Update PendingIntent creation (immutability/mutability) and modernize locale casing (lowercase/uppercase), plus add API-35-specific audio focus tests.

Reviewed changes

Copilot reviewed 39 out of 39 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
catroid/build.gradle	Raises compileSdk/targetSdkVersion to 35.
catroid/src/main/java/org/catrobat/catroid/ui/EdgeToEdge.kt	Adds helper for applying window inset padding/margins.
catroid/src/main/java/org/catrobat/catroid/ui/BaseActivity.kt	Applies edge-to-edge adjustments to common activity views.
catroid/src/main/java/org/catrobat/catroid/ui/SettingsActivity.java	Applies bottom padding insets to the settings content container.
catroid/src/main/java/org/catrobat/catroid/ui/recyclerview/fragment/MainMenuFragment.kt	Applies bottom margin insets to the main menu FAB.
catroid/src/main/java/org/catrobat/catroid/ui/fragment/UserDefinedBrickListFragment.kt	Applies bottom margin insets to “add user brick” FAB/button.
catroid/src/main/java/org/catrobat/catroid/ui/fragment/FormulaEditorFragment.java	Applies bottom margin insets to the formula editor keyboard container.
catroid/src/main/java/org/catrobat/catroid/ui/fragment/BrickSearchFragment.kt	Applies edge-to-edge handling on resume; modernizes string casing usage.
catroid/src/main/res/layout/fragment_brick_search.xml	Fixes layout structure (TextView/ListView separation) and formatting.
catroid/src/main/java/org/catrobat/catroid/ui/fragment/BrickCategoryFragment.kt	Applies bottom padding insets to category list.
catroid/src/main/res/layout/fragment_brick_categories.xml	Disables clipToPadding for better inset/padding behavior.
catroid/src/main/java/org/catrobat/catroid/ui/fragment/AddBrickFragment.kt	Applies bottom padding insets to add-brick list container.
catroid/src/main/res/layout/fragment_brick_add.xml	Disables clipToPadding for list insets/padding behavior.
catroid/src/main/java/org/catrobat/catroid/ui/dialogs/NewProjectDialogFragment.kt	Applies top padding insets to the dialog toolbar.
catroid/src/main/java/org/catrobat/catroid/ui/ScriptFinder.kt	Uses lowercase(Locale.ROOT) and applies top padding insets to root.
catroid/src/main/java/org/catrobat/catroid/web/ServerCalls.java	Replaces double-brace map init with explicit put() calls.
catroid/src/main/java/org/catrobat/catroid/web/ProjectDownloader.kt	Replaces deprecated toLowerCase() usage with lowercase().
catroid/src/main/java/org/catrobat/catroid/utils/notifications/StatusBarNotificationManager.java	Simplifies PendingIntent creation for upload/reject notifications.
catroid/src/main/java/org/catrobat/catroid/transfers/project/ProjectDownloadService.kt	Simplifies PendingIntent creation for download notification.
catroid/src/main/java/org/catrobat/catroid/ui/recyclerview/fragment/NfcTagListFragment.java	Updates NFC PendingIntent for mutability requirements.
catroid/src/main/java/org/catrobat/catroid/stage/StageResourceHolder.java	Adjusts stage PendingIntent flags and intent target class.
catroid/src/main/java/org/catrobat/catroid/stage/StageActivity.java	Exposes hasAudioFocus() for instrumentation tests.
catroid/src/main/java/org/catrobat/catroid/stage/SpeechRecognitionHolder.kt	Updates deprecated toUpperCase() to uppercase().
catroid/src/main/java/org/catrobat/catroid/scratchconverter/protocol/message/job/JobMessage.java	Formatting/readability tweak around parsing UTC cached date.
catroid/src/main/java/org/catrobat/catroid/cast/CastManager.java	Simplifies cast service notification PendingIntent creation.
catroid/src/main/java/org/catrobat/catroid/ui/UiUtils.java	Copyright year update only.
catroid/src/main/java/org/catrobat/catroid/io/StageAudioFocus.java	Copyright year update only.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/stage/StageAudioFocusPostApi35Test.java	Adds post-API35 UI test coverage for audio focus behavior.
catroid/src/androidTest/java/org/catrobat/catroid/test/io/StageAudioFocusPreApi35Test.java	Splits/adjusts audio focus tests for pre/post API35 behavior.
catroid/src/androidTest/java/org/catrobat/catroid/test/content/bricks/BrickPermissionTest.java	Improves parameterized test naming to include API level.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/pocketmusic/PocketMusicActivityTest.java	Refactors formatting in a ViewAction description string.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/content/brick/utils/UiNFCTestUtils.java	Updates NFC test PendingIntent flags for mutability requirement.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/content/brick/stage/WhenNfcBrickStageFromScriptTest.java	Updates the selected string resource for NFC tag editing option.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/util/rules/ScreenshotOnFailRule.java	Reformats date format initialization for readability.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/ui/fragment/RenameSceneTest.kt	Formatting-only changes.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/ui/activity/rtl/RTLMainMenuTest.java	Formatting-only changes.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/ui/activity/rtl/HindiNumberAtShowDetailsAtProjectActivityTest.java	Formatting-only changes.
catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/content/brick/rtl/RtlBrickTest.java	Formatting-only changes.
catroid/src/androidTest/java/org/catrobat/catroid/test/scratchconverter/protocol/WebSocketMessageListenerTest.java	Minor formatting for date format initialization.

Comments suppressed due to low confidence (1)

catroid/src/androidTest/java/org/catrobat/catroid/test/io/StageAudioFocusPreApi35Test.java:83

• These tests are guarded by if (SDK_INT < / >= VANILLA_ICE_CREAM) and will pass without assertions on the non-matching SDK. Using Assume.assumeTrue(...) / Assume.assumeFalse(...) would make the test outcome explicit (skipped) instead of silently passing when it didn't run.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[hannesweilharter]

Lgtm!