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[google_maps_flutter] Partial Android host API Pigeon conversion #6967

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stuartmorgan
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Converts the host API methods other than the various map-object-update methods to Pigeon, as a starting point for a Pigeon conversion. This introduces the Pigeon structure for the main APIs, without getting into complex object serialization. Future work includes:

  • Converting the update methods.
  • Converting the calls from native to Dart (Flutter API in Pigeon terms).

Also replaces the very minimal Dart unit tests with full tests of all the new methods.

Part of flutter/flutter#117907

Pre-launch Checklist

public @NonNull Double getZoomLevel() {
if (googleMap == null) {
throw new FlutterError(
"GoogleMap uninitialized", "getZoomLevel called prior to map initialization", null);
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I added this, since unlike most of the other methods there was no handling, so there was a possible-null-reference warning in Android Studio. I've been cleaning up warnings as I move code.

result.error(new FlutterError("GoogleMap uninitialized", "takeSnapshot", null));
} else {
googleMap.snapshot(
bitmap -> {
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This change was made with the AS auto-conversion from an object to a lamba.

googleMap.snapshot(
bitmap -> {
if (bitmap == null) {
result.error(new FlutterError("Snapshot failure", "Unable to take snapshot", null));
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This is another warning I added handling for; bitmap can explicitly be null in the API docs, but that wasn't handled.

@Override
public @NonNull Boolean areBuildingsEnabled() {
return googleMap.isBuildingsEnabled();
return Objects.requireNonNull(googleMap).isBuildingsEnabled();
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These I just did requireNonNull to silence the warnings (to make the warning display in the IDE more useful) since they are integration-test only, so don't need graceful handling.

@@ -107,7 +109,7 @@ class GoogleMapController
private List<Map<String, ?>> initialTileOverlays;
// Null except between initialization and onMapReady.
private @Nullable String initialMapStyle;
private @Nullable String lastStyleError;
private boolean lastSetStyleSucceeded;
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This seems like a semantic change I would not have expected.

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This is for: https://github.com/flutter/packages/pull/6967/files#diff-b884b5356d3b2ce3b472fc6c979dfee52603cec7e87a4b8c31bd04f42893d80eR898-R902

It's not necessary as part of this PR, just an opportunistic move of logic that didn't need to be in Java over to the Dart side. But if I didn't do this now, then I'd need to add complexity to the Pigeon API definition just to carry a hard-coded string over from the Java side.


final double lat;
final double lng;
final double latitude;
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if you know can you add some more information here about what the units are for latitude/longitude?

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I'm not sure offhand what the units are; I assume degrees? In general I haven't been commenting the Pigeon data objects that correspond directly to some other class within the plugin.

@stuartmorgan stuartmorgan added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 21, 2024
@auto-submit auto-submit bot merged commit f116dd2 into flutter:main Jun 21, 2024
74 checks passed
@stuartmorgan stuartmorgan deleted the maps-pigeon-android-host-api-non-updates branch June 21, 2024 17:05
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 21, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 24, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 24, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 24, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 25, 2024
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request Jun 25, 2024
flutter/packages@711b4ac...03f5f6d

2024-06-24 stuartmorgan@google.com [interactive_media_ads] Fix README badge image URL (flutter/packages#6979)
2024-06-24 36191829+biagiopietro@users.noreply.github.com [multicast_dns] Optimized Socket Binding: Always bind to 0.0.0.0 for simplicity and efficiency - #79772 (flutter/packages#6700)
2024-06-24 92950982+oravecz-jpmc@users.noreply.github.com [flutter_adaptive_scaffold] Allows for the animation duration to be adjusted using SlotLayout.from() (flutter/packages#6510)
2024-06-22 louisehsu@google.com [in_app_purchase_storekit] Remove OCMock (flutter/packages#6862)
2024-06-22 stuartmorgan@google.com [google_maps_flutter] Add iOS SDK 9.x support (flutter/packages#6902)
2024-06-21 stuartmorgan@google.com [google_maps_flutter] Partial Android host API Pigeon conversion (flutter/packages#6967)
2024-06-21 github@alexv525.com Revert "Migrate `camera/android` from `SurfaceTexture`->`SurfaceProducer`." (flutter/packages#6964)
2024-06-21 stuartmorgan@google.com [quick_actions] Update to Pigeon 20 (flutter/packages#6961)
2024-06-20 stuartmorgan@google.com [google_maps_flutter] Move Android inspector to Pigeon (flutter/packages#6958)
2024-06-20 engine-flutter-autoroll@skia.org Manual roll Flutter from ccf3abe to 6c06abb (21 revisions) (flutter/packages#6954)
2024-06-20 34871572+gmackall@users.noreply.github.com [many] More v1 embedding deletion that was missed in flutter/packages#6494 (flutter/packages#6923)
2024-06-20 joonas.kerttula@codemate.com [google_maps_flutter] deprecate old BitmapDescriptor methods (flutter/packages#6905)
2024-06-18 magder@google.com [pigeon] Fully-qualify types in Equatable extension test (flutter/packages#6946)
2024-06-18 jimmyxx@gmail.com [flutter_markdown] fixes null check operator used on null value if onSelectionChanged is� (flutter/packages#6883)
2024-06-17 engine-flutter-autoroll@skia.org Roll Flutter from 5187cab to ccf3abe (6 revisions) (flutter/packages#6940)
2024-06-17 50375243+Jerinji2016@users.noreply.github.com [google_sign_in_web] README.md typo (flutter/packages#6642)
2024-06-17 49699333+dependabot[bot]@users.noreply.github.com [camera]: Bump com.google.guava:guava from 32.0.1-android to 33.2.1-android and CameraX version to 1.3.4 in /packages/camera/camera_android_camerax/android (flutter/packages#6847)
2024-06-17 49699333+dependabot[bot]@users.noreply.github.com [sign_in]: Bump com.google.guava:guava from 32.0.1-android to 33.2.1-android in /packages/google_sign_in/google_sign_in_android/android (flutter/packages#6846)
2024-06-17 49699333+dependabot[bot]@users.noreply.github.com [quick_actions]: Bump com.android.tools.build:gradle from 7.2.1 to 8.4.1 in /packages/quick_actions/quick_actions_android/android (flutter/packages#6799)
2024-06-17 49699333+dependabot[bot]@users.noreply.github.com [path_provider]: Bump androidx.annotation:annotation from 1.7.1 to 1.8.0 in /packages/path_provider/path_provider_android/android (flutter/packages#6773)
2024-06-17 49699333+dependabot[bot]@users.noreply.github.com [camera]: Bump androidx.annotation:annotation from 1.7.1 to 1.8.0 in /packages/camera/camera_android/android (flutter/packages#6766)

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