Android Ndk Fopen Fails


0 (Eclair), the '$' character was not properly converted to "_00024" during searches for method names. Unity version: 5. mp3 suffix, to avoid file compression. Starting NDK r13, Android NDK has set NDK_TOOLCHAIN_VERSION default value to Clang. > A problem occurred starting process 'command 'null/ndk-build'' has anyone else come. I guess going to SDK Manager (down arrow icon on the upper main menu) -> System Settings -> Android Sdk -> On the Tabs choose "SDK Tools" -> Find checkitem with caption "Cmake". 在android studio上编译 dcs的demo,报错了。大佬帮我看看是哪里的问题。 ndk、cmake、lldb都安装了。 cmake是3. Android GDB Versions. If you wish to change the location of the Android SDK, in the menu bar go to Unity > Preferences > External Tools. If any of the above is missing, expect the build to fail at some point. I'm trying to open files from C in my Android app/library. Iterate over the files in an asset directory. However after turning of my computer and turning it back on I load up the same application that was working perfectly fine to find when i tried and compile I get this Error:Execution failed for task ':app:ndkBuild'. However, it is quite old, uses the experimental android gradle plugin and uses a dirty hack for SFMLActivity / SFML-Main. The file is accesses for reading, it most certainly exists and reachable, and it open. @koahnig said in Android NDK: No such file or directory: @Tenuki. 2 Tokyo and I want to configure it to use Android SDK installed with Android Studio 2. 0, which triggered an update to gradle 1. Android Package (APK) is the package file format used by the Android operating system for distribution and installation of mobile apps and middleware. Build fails using NDK r8d in STLPort on Android Firefox for Android is a mobile version of Firefox for Android devices. Hey Stuart, Sorry to hear you had a problem getting up and running with our installer, generally people don't have the NDK as part of the Android SDK by default so you could be hitting an issue with the Unified installer that we only just released last week so I'm going to get our installation team to take a look into that and how we can improve the experience here. Compatibility and Download. On Windows – Using Android Studio 1. Running ndk-build V=1 NDK_LOG=1 clean with debug output didn't help. Compiling Qt for android-clang fails to run clang++. This tutorial assumes you have the following installed and configured: JDK. Extract the android-ndk-r16b folder to a directory on your computer and note the location. ] exit code: 1. All Expertness 15,719 views. My NDK is 12. SVM model fails to load in Android NDK. My app defines android:minSdkVersion and android:targetSdkVersion in AndroidManifest. The AWS SDK for C++ can build and run on many different platforms, including Android. Version 1r7, the download always failed for android tool chain and SDK platforms. The native build process used by the OpenCV samples has been deprecated in the most recent NDK version so instead we will install an older release of the NDK. installer stuck at android ndk windows 10. • Android System for legacy Hardware Abstraction Layer Introduction Kernel driver Libc. If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local. AIR FORCE 14. My ultimate goal is to include Photon to my cmake project (now that Android Studio finally supports it), but now I was just testing how to build the demos. The root folder in the zip file is "android-ndk-r17b" C:\Users\Public\Documents\Embarcadero\Studio\android-ndk-r17b. That brings us back to my original plan: We can add all the stuff that would be hidden in the _FILE_OFFSET_BITS=64 case to libandroid_support for libc++, but for gnustl I'm going to say just turn off _FILE_OFFSET_BITS=64, since gnustl doesn't use libandroid_support and will be removed from the NDK soon anyway. When you have extracted these you’ll see only a directory named tools, and you will need to run extra commands to install the SDK packages needed. Separate the words with spaces (cat dog) to search cat,dog or both. For backward compatibility with older Android releases, you may need to be aware of: Dynamic lookup of native functions. Resolution: the current NDK generates the correct SONAME by default. Visual Studio includes an Android SDK Manager that you use to download Android SDK tools, platforms, and other components that you need for developing Xamarin. I am using the Android NDK to make an application primarily in C for performance reasons, but it appears that file operations such as fopen do not work correctly in Android. This section tracks changes to VNDK documentation. NVPACK\androind-ndk-r12b. al parecer ya encontré la solucion al darle la ruta del NDK en el UNREAL engine anteriormente era esta :C:\Program Files (x86)\Android\android-ndk-r10e pero cambie la ruta por c:\NVPACK\android-ndk-r10e la solución fue que la ruta de acceso al NDK NO DEBE CONTENER ESPACIOS Gracias. 0, but on 6. All in all, it looks like a parallel processing issue. So C uses FILE* (the same thing functions like fopen() do) as its main file handle. See this tutorial for a start. We choose latest Android Studio for sample creation because it is the best tool for now that offers a simple way to configure and. Learn how to change sdk path in android studio. C:\\ndk rather than C:\ndk) 这个问题一般是由于你的sdk版本过高导致NDK找不到导致错误的发生 解决方法: ①在你的local. Please note EasyAR Sense do support building from Android Studio 3. Add VNDK versioning section. dg/20020201-1. 18 provided in the folder. I am running Windows 8. mp3 suffix, to avoid file compression. My blog has a full write up and all the code you need to implement in pure C. Hi all, I have data. It will ask you for NDK location, either put the path in local. Important links are given below. Could not test with: 2017. Download Android NDK version r16b (64-bit) from the NDK Downloads web page. You are about to add 0 people to the discussion. Follow the below steps: In your Android Studio, click on Tools > SDK Manager > SDK Tools. Updating icons at platforms\android\app\src\main\res. All in all, it looks like a parallel processing issue. dir is not defined even when build. This flag is for internal use only (since there is no NDK API for namespaces). 2 (API 17), Android 4. Android software development is the process by which new applications are created for devices running the Android operating system. NVPACK\androind-ndk-r12b. So, before moving onto that, you have to download some tools. 0 and higher, so you can see exactly which version of your code crashed. Native game on Android – Porting Quest of Dungeons Quest of Dungeons was made in C++ and OpenGL, it runs on Windows, Mac and Linux in native code. 2 Tokyo and I want to configure it to use Android SDK installed with Android Studio 2. Prepared android project. Baodong Chen you should add to your AndroidManifest. I'm following the instructions in the docwiki to add a new Android SDK, but when I reach the point where I need to select an Android API level, there is nothing to select from. Project Member #15 [email protected] NDK Installation. I tryed to install both ways - online and offline installation, but both fails during downloading. 0 visual studio 2017 version 15. Errors i experienced: Android Native Development Kit (R10E, 32 bits) : This product did not download successfully: HTTP status 403: The client does not have sufficient access rights to the requested server object. Follow @p5android and @ProcessingOrg on Twitter, and also Processing Foundation Medium's posts, for news and updates! Tweets by p5android. The Android Game SDK is a set of libraries that you can use to enhance your Android game. You can select the Android SDK folder in the Finder, press CTRL+⌘+I to view folder info, click and drag the path to the right of. The initialization helpers from gstreamer_android. Add Firebase Authentication to your app. This tutorial assumes you have the following installed and configured: JDK. Visual Studio includes an Android SDK Manager that you use to download Android SDK tools, platforms, and other components that you need for developing Xamarin. so on ARM devices). The Android version is 5. All Expertness 15,388 views. > A problem occurred starting process 'command 'null/ndk-build'' has anyone else come. However it works on my computer with Android-NDK R17, Qt 5. o: Relocations in generic ELF (EM: 40)" etc, which look like they could be library issues or who knows what. A working Internet connection. View instagram stories online kd. c fails with Android NDK Last modified: 2012-07-16 14:05:24 UTC. gradle): implementation 'com. openRawResource(R. The Android version is 5. OpenCV libs on Real Android Device. gcc is version 4. FileOpen Viewer for Android Protect and control documents delivered to Android devices. Whenever I have tried ofstream::open and also fopen but cannot open existing files or create new files for writing. Issue 207484: : Project sync is failing when ndk. For certain types of apps, this can be helpful so you can reuse existing code libraries written in these languages, but most apps do not need the Android NDK. 2 built failed with Android NDK r8b. You can select the Android SDK folder in the Finder, press CTRL+⌘+I to view folder info, click and drag the path to the right of. NDK Installation. Android is currently not building when using the latest NDK r20 or the previous r19. (4 replies) I'm trying to build an Android app which makes use of the NativeActivity facility of the NDK. 2) android Sourav Jadhav reported May 26, 2017 at 08:06 AM. This banner text can have markup. Unfortunately i don't know how to avoid the use of fopen also because all the agk commands doesn't allow to open and read a file like the fopen. In addition to this, this experimental plugin also allows for integration with NDK and CMake build system which is important if your application contains C++ code. WORKAROUND: Please manually select NDK in \2019. Android SDK; Android NDK; For the Android SDK, you can download 'just the command line tools'. Macos, android studio 2. Run ndk-build and specify a couple of things. However after turning of my computer and turning it back on I load up the same application that was working perfectly fine to find when i tried and compile I get this Error:Execution failed for task ':app:ndkBuild'. Simple searches use one or more words. NDK (Native Develop Toolkit) is a toolchain from Android official, originally for users who writes native C/C++ code as JNI library. android-ndk-r21-linux-x86_64. txt" , "w" ); the fopen call will fail. Create a Firebase project. 3, ndk 15, gstreamer 1. Unable to build to Android at all - "ERROR: GetBuildPlatform: No BuildPlatform found for Android" 09-12-2016, 06:52 PM Okay, before you guys start asking me the super-obvious questions, I've got 7 years of developing for Android under my belt. It is not transparent for the developer either (no fopen/cout replacement) but is reasonably easy to use. Simple searches use one or more words. Add extensions to the project. How to install offline Android SDK Extras - Google Repository? This package will ALWAYS be installed on the same path regardless of the newer versions available. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. For certain types of apps, this can be helpful so you can reuse existing code libraries written in these languages, but most apps do not need the Android NDK. Follow the below steps: In your Android Studio, click on Tools > SDK Manager > SDK Tools. recipe for target 'CMakeFiles/apk' failed. This short guide outlines the basics of utilizing the Android NDK to use C or C++ code in your Android App when using Android Studio 2. Dianne Hackborn. txt" , "w" ); the fopen call will fail. If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local. 0f1\Editor\Data\PlaybackEngines\AndroidPlayer\NDK\android-ndk-r19 It was definitly there but showed as missing. xda-developers App Development Forums Development Tools Android Studio "Android NDK: Are you sure your NDK_MODULE_PATH variable is properly defined?" by doublegdidit XDA Developers was founded by developers, for developers. Archives Using C++ OpenCV code with Android 24 Jan 2014 on Android. After building the libraries, it's the same. Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the Web, and connect with loyal and enthusiastic players and customers. h:No such file or directory rm: cannot remove `libtoolT': No such file or directory ubuntu /sbin/insserv: No such file or directory error: asm/system. Use a previously installed Android SDK and NDK. Running ndk-build V=1 NDK_LOG=1 clean with debug output didn't help. the NDK (Native development tool-kit) will allow you to integrate your C/C++ code in your Android apps. Steps to reproduce: 1) Install debuggable package. For certain types of apps, this can be helpful so you can reuse existing code libraries written in these languages, but most apps do not need the Android NDK. How to install offline Android SDK Extras - Google Repository? This package will ALWAYS be installed on the same path regardless of the newer versions available. Go to the following page:. Would you like to resume where you left off? Step :. Android NDK:load_library:找不到srand Intereting Posts 以编程方式创建ListPreference - 但条目列表为空 Firebase分析AppMeasurement未启用 AsyncTask,Fragments,Views和Backstacks 处理程序与线程 安装应用程序时出错(INSTALL_FAILED_DEXOPT) android导出到csv并作为电子邮件附件发送 如何使用. It’s been five months since I have written a blog post. You received this message because you are subscribed to the Google Groups "android-ndk" group. 안드로이드 스튜디오에서 NDK를 설치하고 JNI 예제를 실행해보자! 부제: C/C++로 함수를 만들어 안드로이드(자바코드)에서 함수를 호출하자! NDK(Native Development Kit)란? NDK란 네이티브 코드 언어를 사용할. Cross-compile GLib for Android 17 Jul 2016 Prepare cross-compile environment Install Android NDK and standalone toolchain. To post to this group, send email to [email protected] This section tracks changes to VNDK documentation. c as a static binary. I seldom comment, however i did a few searching and wound up here Using Eclipse for Android C/C++ Debugging | Android blog. PORT command fails on ftp. But I don’t know how to use SDL in Visual Studio project. The NDK supplies headers for each major platform - for example, API 18, API 14, API 9, API 8, and API 5. Install Android Build Support and the Android SDK & NDK tools. so Process for c 3rd Library Hardware Kernel driver Libc. jniフォルダ(よく使われる場所はapp\src\main\jni)に移動して、ndk-buildを実行します。 cd app\src\main\jni ndk-build. js, Weka, Solidity. 11, Java SDK 8 and latest Android SDK (API 28, Gradle 4. The NDK is a toolset that enables the development of Android apps using C, C++ and other native code languages, compiling code into applications that can run on Android devices. I'm following the instructions in the docwiki to add a new Android SDK, but when I reach the point where I need to select an Android API level, there is nothing to select from. Debugging Native Android Applications is done using the GNU Debugger (gdb) running on your Windows machine and gdbserver, its counterpart running on the Android phone or tablet. The Android NDK is a toolset that lets you implement parts of your app in native code, using languages such as C and C++. This is a distribution of the CrystaX NDK, which has been developed as a drop-in replacement for Google's Android NDK (Native Development Kit). UsefullCode. In both cases, Gradle is configured to point at the external build system. My system is MacOS 10. Could it be simply me or does it look like some of these remarks appear like written by brain dead individuals?. ac file, which is read…. Ensure you have a Native C++ project created in Android Studio. If you develop an Android application with some native C/C++ layer (NDK) and try to open the file from it by doing FILE *pFile = fopen ("myfile. js, Weka, Solidity. gcc is version 4. Set up Android development settings. Java is a registered trademark. Android NDK: Your APP_BUILD_SCRIPT points to an unknown file: /Android. A corresponding Unity package (SDK) is planned for a future release. Hi, I can't reproduce your issue with visual studio 2017 preview 15. However, when it came time to make C portable (especially to Windows), it needs to hide details like that. i used SDK 20 ,NDK r10 , i set all configurations. Modern Android NDK Tutorial. All Expertness 15,719 views. Setting up the Android SDK for Xamarin. If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local. Thanks alot. If I point to the android studio version of the SDK which happily installed the NDK within VS Options-Xamarin-android settings then VS is happy. xml -- You received this message because you are subscribed to the Google Groups "android-ndk" group. Errors i experienced: Android Native Development Kit (R10E, 32 bits) : This product did not download successfully: HTTP status 403: The client does not have sufficient access rights to the requested server object. The file is accesses for reading, it most certainly exists and reachable, and it open. fopen() will block if the file to be opened is a fifo. I have seen others have had similar issues, however, I tried to launch the editor as an administrator as was suggested, but the problem still persists. But, I am confused as to why fopen() does not work and returns NULL. It will ask you for NDK location, either put the path in local. However it works on my computer with Android-NDK R17, Qt 5. Could not test with: 2017. The problem is that when I try to download a new Android platform version (lets say Android 7. With editing the build. gradle): implementation 'com. When the standard methods of creating files in the Android SDK are used, the output files are created with the following permissions:-rw-rw-r--The result is a file that is world readable but not writable. mk, Application. If you are using NDK, verify the ndk. 0f1\Editor\Data\PlaybackEngines\AndroidPlayer\NDK\android-ndk-r19 It was definitly there but showed as missing. The returned file name is suitable for passing to AAssetManager_open(). Before installation I chose to also install Android SDK & NDK Tools via the Hub. Jordan Réjaud. PORT command fails on ftp. Simply add a Script step as the very first step in the workflow, with the foll…. Specify the full library name when calling Java's System. Please use Report a Problem option in the upper right corner of the VS title bar to talk about the problems in visual studio preview. [Build] android-tutorial-1: ndk-build command is failed in case of arm64-v8a, x86, and x86_64 I tried to build Android-tutorial-1 source code with Andorid-NDK. The Android NDK is required to build native modules for Android, or to build the Titanium SDK from source. Separate the words with spaces (cat dog) to search cat,dog or both. Are you sure the SD card is mounted? Have you tried creating that file with the shell? Have you tried creating the file with the Java APIs? There is absolutely no difference in functionality for accessing files via either java or the NDK (the java APIs are just wrappers for calling the native file functions), and apps can definitely write to the SD card if they have the permission, so it most. file-get-contents]: http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/u94937/fiz-helpru/www. Run with --info or --debug option to get more log output. This subspecifier forces the function to fail if the file exists, instead of overwriting it. You should now have a yourLibrary. One of the errors informs that Android NDK was not found, but I have envarioment variable and unity set up. iOS is not a problem either since I just have a thin layer of Objective-C to access some functionality like touch, accelerometer, etc and the rest of the code just runs. properties文件中添加你的ndk路径 ## This file is automatically generated by Android Studio. My app defines android:minSdkVersion and android:targetSdkVersion in AndroidManifest. This is only an introduction. NDK r10c dlopen failed: cannot locate symbol "atof" referenced. So, we can reuse existed C/C++ code in the form of pre-built libraries in our Android apps. For more details, refer to the Android SDK/NDK Setup page. 我正在开发一个使用NDK功能的Android应用。我的app定义了android:minSdkVersion和AndroidManifest中的targetSdkVersion。. I am using the ndk toolchain to build the following code to test the capacity of android's file operations. Hi all, I have data. Hi All, I am beginer to learn NDK to support C code to Android, Can anybody help to explain how to fix the problem below: 1. However, it is quite old, uses the experimental android gradle plugin and uses a dirty hack for SFMLActivity / SFML-Main. How to install offline Android SDK Tools/SDK Manager? This package will ALWAYS be installed on the same path regardless of the newer versions available. You need to use the 32-bit NDK (android-ndk32-r10b-darwin-x86_64) if building for 32-bit targets. Firstly the APP_ABI and NDK_DEBUG values contained in the output log. Download the Xbox Live SDK. The NDK is a toolset that allows you to implement parts of your app using native-code languages such as C and C++. You need to set the NDK_PROJECT_PATH which you should find in the Intermediate folder in your project. 3/Gingerbread/API android-9 at last, there is an NDK api to access resources Let's use the NDK API. The root folder in the zip file is “android-ndk-r17b” C:\Users\Public\Documents\Embarcadero\Studio\android-ndk-r17b. gradle file does not contain the ndk section. mk, Application. thread synchronization) while at same time removing unnecessary use of inline ASM for Intel features detection. Workaround: Manually create a release. cmd is the Windows batch file that runs make. I think the SDL source code need to port to things, one is jni, two is c++. Hey Stuart, Sorry to hear you had a problem getting up and running with our installer, generally people don't have the NDK as part of the Android SDK by default so you could be hitting an issue with the Unified installer that we only just released last week so I'm going to get our installation team to take a look into that and how we can improve the experience here. log-lib # Specifies the name of the NDK library that # CMake needs to locate. It will ask you for NDK location, either put the path in local. I open the 'android studio guide' and on the 'create new ndk project' I follow the instruction. Whenever I have tried ofstream::open and also fopen but cannot open existing files or create new files for writing. - ubuntu-cli-install-android-sdk. failed installation on Visual Studio 2017 Professional Intellisense report many errors with Android native project. Can i use the precompiled outputs as-is out of the box?. Now i compile that application and get apk. You can change the SDK location by clicking the Edit button. xml で READ_EXTERNAL_STRAGE, WRITE_EXTERNAL_STRAGE の permission を設定する必要があります. The native build process used by the OpenCV samples has been deprecated in the most recent NDK version so instead we will install an older release of the NDK. I am trying to build libzmq for Android using CMake and the toolchain embedded in the NDK. 0f1\Editor\Data\PlaybackEngines\AndroidPlayer\NDK\android-ndk-r19 It was definitly there but showed as missing. open("TestFile. Android NDK include paths are incorrect. You can select the Android SDK folder in the Finder, press CTRL+⌘+I to view folder info, click and drag the path to the right of. I'm trying to get a really old Android native module running on a new project. lite is defined in a newly-launched Android 9 device. Since NDK is distributed separately from the SDK, including documentations and samples, you are not likely to get familiar with NDK before you actually try it as a solution to one of your development challenges. I have Android studio installed on the same PC and used the Android SDK manager in that to install the SDK and NDK (amongst other things), with the NDK sitting in the folder c:\users[me]\AppData\Local\Android\sdk\ndk-bundle. For backward compatibility with older Android releases, you may need to be aware of: Dynamic lookup of native functions. We choose latest Android Studio for sample creation because it is the best tool for now that offers a simple way to configure and. file-get-contents]: http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/u94937/fiz-helpru/www. Attached the Androidfix_18a. Warning: file_get_contents(): http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/clients/0d0a8437eb1835bb895b82fb084ec9e2. If any of the above is missing, expect the build to fail at some point. They may not exist, or they may behave differently. In this tutorial I describe you to install Android studio complete. Android NDK include paths are incorrect. 在android studio上编译 dcs的demo,报错了。大佬帮我看看是哪里的问题。 ndk、cmake、lldb都安装了。 cmake是3. 08/09/2018; 9 minutes to read +5; In this article. Processing for Android also lets you accessing the Android API to read sensor data, and exporting your sketch as a signed package ready to upload to the Google Play Store. I'm developing source Telegram to run the version available in the Gate have a problem I think in relation to the source code is Native. Update: You may now use Android NDK r15c and beyond. That's because the experimental plugin is designed around a Software Component Model that Gradle announced they will no longer support (read their blog post here). If you develop an Android application with some native C/C++ layer (NDK) and try to open the file from it by doing FILE *pFile = fopen ("myfile. 3, ndk 15, gstreamer 1. Android GDB Versions. ndk-samples / native-media / app / src / main / cpp / android_fopen. Cross-compile GLib for Android 17 Jul 2016 Prepare cross-compile environment Install Android NDK and standalone toolchain. googlegroups. How to install offline Android SDK Tools/SDK Manager? This package will ALWAYS be installed on the same path regardless of the newer versions available. If you are using the IL2CPP scripting back end for Android, you need the Android Native Development Kit (NDK). However it works on my computer with Android-NDK R17, Qt 5. This is a distribution of the CrystaX NDK, which has been developed as a drop-in replacement for Google's Android NDK (Native Development Kit). UsefullCode. exe for ndk-build, but /home/android looks like a Linux path. gcc is version 4. 4 GB RAM minimum, 8 GB RAM recommended 2 GB of available disk space minimum, 4 GB Recommended (500 MB for IDE + 1. Debugging Native Android Applications is done using the GNU Debugger (gdb) running on your Windows machine and gdbserver, its counterpart running on the Android phone or tablet. VtsTreblePlatformVersionTest will fail if ro. When i use NDK r10b build success APP_ABI := armeabi-v7a-hard APP_PLATFORM := android-19 but when use NDK r10c, platform. If the NDK version which is preinstalled on the Android stack is not the one you want to use, you can install any version via a Script step. (4 replies) I'm trying to build an Android app which makes use of the NativeActivity facility of the NDK. By following users and tags, you can catch up information on technical fields that you are interested in as a whole. The command line tools provided by the Android SDK Tools package also enables updating the SDK. installer stuck at android ndk windows 10. all the IDE code is in red and nothing can be compile. Separate the words with plus signs (cat +dog) to search for items that may contain cat but must contain dog. 3/9(US時間) に、Android N Developer Previewが出ました。 と、同時に developer. You can select the Android SDK folder in the Finder, press CTRL+⌘+I to view folder info, click and drag the path to the right of. On Android, the file is not deleted & created upon calling fopen(), while it is so on. I think the SDL source code need to port to things, one is jni, two is c++. To post to this group, send email to [email protected] Android does not use Java bytecodes or class files, so passing in binary class data doesn't work. This short guide outlines the basics of utilizing the Android NDK to use C or C++ code in your Android App when using Android Studio 2. So, we can reuse existed C/C++ code in the form of pre-built libraries in our Android apps. The latter is used to configure the format of the image. Doug, I just rename the file I need to read from within NDK, using the. I'm following the instructions in the docwiki to add a new Android SDK, but when I reach the point where I need to select an Android API level, there is nothing to select from. You can use it to build from your own source code, or to take advantage of existing prebuilt libraries. 2 (API 17), Android 4. Installation succeeds from this route. Similarly to Android. open("TestFile. 2) failed running. If you've copied a project from a Windows machine to a Linux one, then you'd want to run ndk-build, not ndk-build. Unity installs Android SDK & NDK tools respectively in the SDK and NDK folders under /Unity/Hub. BUILD FAILED in 5s] stdout[NDK is missing a "platforms" directory.