Mavsdk compiled with dockcross for android

patryk000 · December 18, 2025, 8:19pm

is there some way to change the default path of mavsdk ? I’m constantly receiving exceptions about permission denied since on Android we can only access our private app directory.

JulianOes · December 19, 2025, 12:14am

Have a look here:

github.com/mavlink/MAVSDK-Java

Android Crash | `filesystem error: Permission Denied`

opened 08:16PM - 04 Aug 25 UTC

closed 11:17AM - 21 Aug 25 UTC

ProgrammedForAdventure

The latest version (`3.9.0`) of `filesystem_error: filesystem error: The issue does not appear on version ``` 2025-08-04 13:14:13.991 15460-15753 MAVSDK-Server 2025-08-04 13:14:13.991 15460-15753 Mavsdk 2025-08-04 13:15:27.158 15460-15756 Mavsdk 2025-08-04 13:15:27.162 15460-15756 libc++abi 2025-08-04 13:15:27.186 15460-15756 libc 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG 2025-08-04 13:15:27.432 15899-15899 DEBUG ``` MAVSDK-Java causes a native crash on Android, th…e primary error message being: in create_directory: Permission denied [/data/local/tmp/mavsdk-component-metadata-a4dc8fef]` 3.6.0. I tried granting Android additional permissions, but this did not solve the issue. I am pretty confident the mentioned path (`/data/local/tmp`) is a restricted location on Android, that could only be written to on a rooted device. D Running mavsdk_server with connection url: udpout://<drone_ip>:14550 I Waiting to discover system on udpout://<drone_ip>:14550... D New system ID: 1 Comp ID: 1 E terminating with uncaught exception of type std::__ndk1::__fs::filesystem::filesystem_error: filesystem error: in create_directory: Permission denied [/data/local/tmp/mavsdk-component-metadata-a4dc8fef] A Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 15756 (mavsdk-event-qu), pid 15460 (myapp) A Cmdline: myapp A pid: 15460, tid: 15756, name: mavsdk-event-qu >>> myapp <<< A #01 pc 00000000000d1fcc /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #02 pc 00000000000d2180 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #03 pc 00000000000e6e80 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #04 pc 00000000000e6514 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #05 pc 00000000000e646c /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (__cxa_throw+124) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #06 pc 000000000007cbb4 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #07 pc 000000000007fc54 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #08 pc 00000000000803f0 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libc++_shared.so (offset 0x20c8000) (std::__ndk1::__fs::filesystem::__create_directory(std::__ndk1::__fs::filesystem::path const&, std::__ndk1::error_code*)+140) (BuildId: df3f83af4e54f316c793c3655c4753a8851a234c) A #09 pc 00000000017f9224 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::create_tmp_directory(std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char> > const&)+656) A #10 pc 00000000017e56c8 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::MavlinkComponentMetadata::MavlinkComponentMetadata(mavsdk::SystemImpl&)+1144) A #11 pc 00000000017bff5c /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::SystemImpl::SystemImpl(mavsdk::MavsdkImpl&)+612) A #12 pc 00000000017bfb84 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::System::System(mavsdk::MavsdkImpl&)+68) A #13 pc 00000000017d285c /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::MavsdkImpl::make_system_with_component(unsigned char, unsigned char)+632) A #14 pc 00000000017d19b0 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::MavsdkImpl::process_message(__mavlink_message&, mavsdk::Connection*)+2688) A #15 pc 00000000017d0ec4 /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::MavsdkImpl::process_messages()+112) A #16 pc 00000000017cef4c /data/app/~~XODcxK6cmAIVh-OPmfQN-g==/myapp-YIgzs15ssLvXR7zzlCwbYg==/base.apk!libmavsdk_server.so (offset 0xaf38000) (mavsdk::MavsdkImpl::work_thread()+108)

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Mavsdk compiled with dockcross for android

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