![]() ![]() Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates. Want to build and generate the database as a side-effect.Ĭontent and code samples on this page are subject to the licenses described in the Content License. Without building your code, or ndk-build GEN_COMPILE_COMMANDS_DB=true if you You can either use ndk-build compile_commands.json to generate the database In NDK r18 and newer, ndk-build can generate a Own copy of GNU Make and will use that unless you've set the $GNUMAKEĮnvironment variable to point to an unsuitable make. You need GNU Make 4 to use ndk-build or the NDK in general. Run with -debug option to get more log output. Try: Run with -stacktrace option to get the stack trace. The syntax on the command line is, for example: Build Opencv4.4 for Android with Java Wrapper Issue 18875 opencv/opencv GitHub What went wrong: A problem occurred configuring project ':15-puzzle'. `APP_OPTIM=debug` in `Application.mk`, and compiles with `-O0`.įor more information about `APP_OPTIM`, see `APP_OPTIM=release`, and compiles with `-O2`. Step 1: Download and Setup NDK Download NDK and unzip it to your work area. Results of NDK_DEBUG (command line) andĪndroid:debuggable (manifest) combinations. Results of each possible combination of settings. Optimization-related behavior, and inclusion of symbols. Use the NDK_DEBUG option and, in certain cases,ĪndroidManifest.xml to specify debug or release build, Launch build, and display build commands.įorce a complete rebuild, and display build commands.ĭisplay internal NDK log messages (used for debugging the NDK itself).īuild, using a specific Application.mk file pointed to by theīuild the native code for the project path located at Modifier or selecting a smaller value for N, such as 2. To avoid this issue, consider not using the -j N High number of parallel executions may result in a build error that Note: On Mac OS X, running ndk-build clean with a Remove any previously generated binaries. Project’s root directory, and is the directory whereĪll parameters to ndk-build are passed directly to the underlying GNU makeĬommand that runs the NDK build scripts. To run itįrom the command line, invoke it while in or under your application project directory. The ndk-build script lives in the top level NDK installation directory. This information to invoke ndk-build from other shell scripts, or even your own points to your NDK installation directory. $GNUMAKE points to GNU Make 3.81 or later, and Running the ndk-build script is equivalent to running the following command: There is more specific documentation for the Java is a registered trademark of Oracle and/or its affiliates.The ndk-build script builds projects that use the NDK's Make-based build ![]() For details, see the Google Developers Site Policies. Install it on a device with: adb install bazel-bin/mediapipe/examples/android/src/java/com/google/mediapipe/apps/handtrackinggpu/handtrackinggpu.apkĮxcept as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. bazel build -c opt -config=android_arm64 mediapipe/examples/android/src/java/com/google/mediapipe/apps/handtrackinggpu:handtrackinggpu For instance, for MediaPipe Hands the targetįile: Note: To reduce the binary size, consider appending -linkopt="-s" to theĬommand below to strip symbols. To build an Android example app, build against the correspondingĪndroid_binary build target. To build (and install) all MediaPipe Android example apps. $YOUR_INTENDED_API_LEVEL in android_ndk_repository() and/or You can achieve this by specifying api_level = In order to use Framework on earlier Android versions, MediaPipe needs to switch $ echo "android_ndk_repository(name = \"androidndk\", api_level=21)" > WORKSPACE The following: $ echo "android_sdk_repository(name = \"androidsdk\")" > WORKSPACE export ANDROID_HOME=Īnd add android_ndk_repository() and android_sdk_repository() rules into the $ANDROID_HOME and $ANDROID_NDK_HOME to point to the installed SDK and NDK. ![]() If Android SDK and NDK are already installed (e.g., by Android Studio), set To download and setup Android SDK and NDK before building any Android example However, if you prefer using MediaPipe without MediaPipe recommends setting up Android SDK and NDK via Android Studio (and seeīelow for Android Studio setup). Setup Android NDK version between 18 and 21.Setup Android SDK release 30.0.0 and above.Install MediaPipe Framework following these instructions.Building Android example apps with Bazel Prerequisite To learn more about these example apps, start from Hello World! onĪndroid. Please follow instructions below to build Android example apps with MediaPipe Framework. ![]()
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