Add android support for API >= 27 #128
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Update fork from upstream
…dated build.cs to reference it when building for android.
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As a note - I'm currently getting an error when trying to receive image data into UE4 on Android: At least I assume it's on the Indicating that the PointCloud2 message was properly received (in UE4 on Android) and deserialized. I'm hoping it's unrelated to the libbson version, but it may be. |
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Update: I have confirmed that the error reported above occurs when parsing the I'll see if I can figure out why it's failing to parse the It also fails to parse the followed by a lot of |
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Further Update: I've confirmed that the same errors occur when receiving Path data / Image data on Windows - so it is not specific to the android bson library I built. I am able to successfully receive pointcloud data on Windows and Android, but unable to receive path or image data on either platform. |
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Update:
Windows and Mac:
Android:
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What this PR does
libbson-static-android-1.0.afor use with Android targets.Using ROSIntegration on Android
To use with UE4 on Android, you'll need to
Project Settings -> Platforms -> Android SDK :: NDK API Levelto beandroid-27or higher since that's what I built libbson with.Building libbson
The libbson static library was built from libbson with the following commands (in powershell on windows):
The default android API UE4 supports (android-19 on 4.24) is too low for libbson to build, as it requires some things like stderr which were not added until later. I'm not exactly sure which API is the minimum, but I have selected API 27 for now.
Notes:
I wasn't sure which libbson version you used when building yours; I selected libbson 1.9.0.
Testing
I have tested that I am able to send messages from my android phone (Pixel 2XL) to an Ubuntu 18.04 VM on my Windows 10 desktop via WiFi.
bob@ubuntu ~/dev/roshi/src master ● rostopic list /client_count /clock /nav_msgs /rosout /rosout_agg /tf /unreal_ros/spawn_objects /unreal_ros/spawn_objects_arraye.g.
bob@ubuntu ~/dev/roshi/src master ● rostopic hz /nav_msgs subscribed to [/nav_msgs] average rate: 1.890 min: 0.529s max: 0.529s std dev: 0.00000s window: 2 average rate: 1.987 min: 0.458s max: 0.529s std dev: 0.03208s window: 4 average rate: 1.999 min: 0.458s max: 0.529s std dev: 0.02514s window: 6 average rate: 1.999 min: 0.458s max: 0.529s std dev: 0.02136s window: 8 average rate: 1.988 min: 0.458s max: 0.541s std dev: 0.02382s window: 10 average rate: 1.998 min: 0.458s max: 0.541s std dev: 0.02237s window: 12