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The reference to the MapSnapshotter needs to be held for the duration of the snapshot, otherwise it might be GC'd
Apparently on some devices the weak reference table is limited (numbers around 52000). Even though we don't use that many weak references, when GC is not called for a while they can stack up and a crash will occur before the GC has had the time to clear the references. The C++ peer now holds on to a global ref (strong) which can be obtained to queue the java peer and then release automatically so that the GC can take over after the runnable has been executed.
tobrun
approved these changes
Nov 10, 2017
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This was referenced Nov 14, 2017
mappy-mobile
pushed a commit
to Mappy/mapbox-gl-native
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Nov 29, 2017
* release-android-v5.2.0: (788 commits) release android v5.2.0 release v5.2.0-beta.5 (mapbox#10464) [ios] Update puck arrow stroke color when tint changes Monkey crashes (mapbox#10440) (mapbox#10472) Deploy macosapp as part of releases (mapbox#10191) [ios] Update podspecs to v3.7.0-rc.1 [ios] Updated Spanish, Vietnamese translations [ios] Fix toCamera.centerCoordinate in shouldChangeFromCamera (mapbox#10433) MapSnapshot attribution (mapbox#10362) Downgrade min sdk to 14 (mapbox#10355) Update MGLMapSnapshotter docs (mapbox#10438) [android] - harden deselection mechanism for markers (mapbox#10403) [android] Cherry picks to agua (mapbox#10442) [ios] Silence smart invert warnings (mapbox#10425) [ios] Doc fixes for "Adding Points to a Map" guide [ios, macos] Cleanup duplicated snapshotter frame code. [android] release 5.2.0-beta.4 (mapbox#10384) [android] - add config file for excluding generated tests, refactor generation script output [ios] Bump podspec to beta.4 [ios, macos] Add attribution to snapshots. ... # Conflicts: # .gitignore # cmake/core-files.cmake # include/mbgl/annotation/annotation.hpp # platform/android/CHANGELOG.md # platform/android/MapboxGLAndroidSDK/build.gradle # platform/android/MapboxGLAndroidSDK/gradle.properties # platform/android/MapboxGLAndroidSDK/src/main/AndroidManifest.xml # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/Mapbox.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationSource.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/AnnotationManager.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/AttributionDialogManager.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java # platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/LatLngBoundsActivity.java # platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/SimpleMapActivity.java # platform/android/build.gradle # platform/android/config.cmake # platform/android/dependencies.gradle # platform/android/settings.gradle # platform/android/src/map/camera_position.cpp # platform/android/src/native_map_view.cpp # platform/android/src/native_map_view.hpp # src/mbgl/algorithm/generate_clip_ids_impl.hpp # src/mbgl/annotation/line_annotation_impl.cpp # src/mbgl/renderer/layers/render_line_layer.hpp # src/mbgl/renderer/painter.cpp # src/mbgl/renderer/painter_line.cpp # src/mbgl/renderer/render_item.hpp # src/mbgl/renderer/render_line_layer.cpp # src/mbgl/sprite/sprite_atlas.cpp # src/mbgl/sprite/sprite_atlas.hpp # src/mbgl/sprite/sprite_parser.cpp # src/mbgl/sprite/sprite_parser.hpp # src/mbgl/storage/resource.cpp # src/mbgl/style/layers/line_layer.cpp # src/mbgl/style/layers/line_layer_impl.hpp # src/mbgl/style/style.cpp # src/mbgl/style/style.hpp # src/mbgl/tile/tile_loader_impl.hpp # test/algorithm/generate_clip_ids.test.cpp # test/sprite/sprite_atlas.test.cpp # test/storage/resource.test.cpp
mappy-mobile
pushed a commit
to Mappy/mapbox-gl-native
that referenced
this pull request
Dec 12, 2017
* mapbox_release_5.2: (788 commits) release android v5.2.0 release v5.2.0-beta.5 (mapbox#10464) [ios] Update puck arrow stroke color when tint changes Monkey crashes (mapbox#10440) (mapbox#10472) Deploy macosapp as part of releases (mapbox#10191) [ios] Update podspecs to v3.7.0-rc.1 [ios] Updated Spanish, Vietnamese translations [ios] Fix toCamera.centerCoordinate in shouldChangeFromCamera (mapbox#10433) MapSnapshot attribution (mapbox#10362) Downgrade min sdk to 14 (mapbox#10355) Update MGLMapSnapshotter docs (mapbox#10438) [android] - harden deselection mechanism for markers (mapbox#10403) [android] Cherry picks to agua (mapbox#10442) [ios] Silence smart invert warnings (mapbox#10425) [ios] Doc fixes for "Adding Points to a Map" guide [ios, macos] Cleanup duplicated snapshotter frame code. [android] release 5.2.0-beta.4 (mapbox#10384) [android] - add config file for excluding generated tests, refactor generation script output [ios] Bump podspec to beta.4 [ios, macos] Add attribution to snapshots. ... # Conflicts: # .gitignore # .gitmodules # cmake/core-files.cmake # include/mbgl/annotation/annotation.hpp # platform/android/CHANGELOG.md # platform/android/MapboxGLAndroidSDK/build.gradle # platform/android/MapboxGLAndroidSDK/gradle.properties # platform/android/MapboxGLAndroidSDK/src/main/AndroidManifest.xml # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/Mapbox.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationSource.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/AnnotationManager.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/AttributionDialogManager.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java # platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java # platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/LatLngBoundsActivity.java # platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/SimpleMapActivity.java # platform/android/build.gradle # platform/android/config.cmake # platform/android/dependencies.gradle # platform/android/settings.gradle # platform/android/src/map/camera_position.cpp # platform/android/src/native_map_view.cpp # platform/android/src/native_map_view.hpp # src/mbgl/algorithm/generate_clip_ids_impl.hpp # src/mbgl/annotation/line_annotation_impl.cpp # src/mbgl/renderer/layers/render_line_layer.hpp # src/mbgl/renderer/painter.cpp # src/mbgl/renderer/painter_line.cpp # src/mbgl/renderer/render_item.hpp # src/mbgl/renderer/render_line_layer.cpp # src/mbgl/sprite/sprite_atlas.cpp # src/mbgl/sprite/sprite_atlas.hpp # src/mbgl/sprite/sprite_parser.cpp # src/mbgl/sprite/sprite_parser.hpp # src/mbgl/storage/resource.cpp # src/mbgl/style/layers/line_layer.cpp # src/mbgl/style/layers/line_layer_impl.hpp # src/mbgl/style/style.cpp # src/mbgl/style/style.hpp # src/mbgl/tile/tile_loader_impl.hpp # test/algorithm/generate_clip_ids.test.cpp # test/sprite/sprite_atlas.test.cpp # test/storage/resource.test.cpp
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This PR cherry picks a couple of commits to the release branch.
👀 @tobrun @ivovandongen