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$ git clone https://github.com/google/mediapipe.git

# Change directory into MediaPipe root directory
$ cd mediapipe

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sudo apt install curl
curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" | sudo tee /etc/apt/sources.list.d/bazel.list

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sudo apt update && sudo apt install bazel
sudo apt update && sudo apt full-upgrade

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# Ubuntu 16.04 (LTS) uses OpenJDK 8 by default:
sudo apt install openjdk-8-jdk

# Ubuntu 18.04 (LTS) uses OpenJDK 11 by default:
sudo apt install openjdk-11-jdk

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$ sudo apt-get install libopencv-core-dev libopencv-highgui-dev \
? ? ? ? ? ? ? ? ? ? ? ?libopencv-calib3d-dev libopencv-features2d-dev \
? ? ? ? ? ? ? ? ? ? ? ?libopencv-imgproc-dev libopencv-video-dev

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sudo apt-get install mesa-common-dev libegl1-mesa-dev libgles2-mesa-dev

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$ export GLOG_logtostderr=1

# if you are running on Linux desktop with CPU only
$ bazel run --define MEDIAPIPE_DISABLE_GPU=1 \
? ? mediapipe/examples/desktop/hello_world:hello_world

# If you are running on Linux desktop with GPU support enabled (via mesa drivers)
$ bazel run --copt -DMESA_EGL_NO_X11_HEADERS --copt -DEGL_NO_X11 \
? ? mediapipe/examples/desktop/hello_world:hello_world

# Should print:
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!
# Hello World!

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# 這個(gè)也是一次行操作，關(guān)閉終端后需重新配置
export ANDROID_HOME=<path to the Android SDK>
export ANDROID_NDK_HOME=<path to the Android NDK>

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export ANDROID_HOME=/home/zhw/Android/Sdk
export ANDROID_NDK_HOME=/home/zhw/Android/Sdk/ndk/21.1.6352462

#如果想設(shè)置全局環(huán)境變量
$ sudo vim /etc/profile
#把上面兩行export復(fù)制到profile最下面，再執(zhí)行以下操作生效
$ source /etc/profile

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load("//mediapipe/java/com/google/mediapipe:mediapipe_aar.bzl", "mediapipe_aar")

mediapipe_aar(
? ? name = "mp_face_detection_aar",
? ? calculators = ["//mediapipe/graphs/face_detection:mobile_calculators"],
)

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bazel build -c opt --host_crosstool_top=@bazel_tools//tools/cpp:toolchain --fat_apk_cpu=arm64-v8a,armeabi-v7a \
? ? //mediapipe/examples/android/src/java/com/google/mediapipe/apps/aar_example:mp_face_detection_aar

# It should print:
# Target //mediapipe/examples/android/src/java/com/google/mediapipe/apps/aar_example:mp_face_detection_aar up-to-date:
# bazel-bin/mediapipe/examples/android/src/java/com/google/mediapipe/apps/aar_example/mp_face_detection_aar.aar

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bazel build -c opt mediapipe/examples/android/src/java/com/google/mediapipe/apps/facedetectiongpu:binary_graph

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cp bazel-bin/mediapipe/examples/android/src/java/com/google/mediapipe/apps/aar_example/mp_face_detection_aar.aar /path/to/your/app/libs/
cp bazel-bin/mediapipe/examples/android/src/java/com/google/mediapipe/apps/facedetectiongpu/facedetectiongpu.binarypb /path/to/your/app/src/main/assets/
cp mediapipe/models/face_detection_front.tflite /path/to/your/app/src/main/assets/
cp mediapipe/models/face_detection_front_labelmap.txt /path/to/your/app/src/main/assets/

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cp -R ~/Downloads/OpenCV-android-sdk/sdk/native/libs/arm* /path/to/your/app/src/main/jniLibs/

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dependencies {
? ? implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
? ? implementation 'androidx.appcompat:appcompat:1.0.2'
? ? implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
? ? testImplementation 'junit:junit:4.12'
? ? androidTestImplementation 'androidx.test.ext:junit:1.1.0'
? ? androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
? ? // MediaPipe deps
? ? implementation 'com.google.flogger:flogger:0.3.1'
? ? implementation 'com.google.flogger:flogger-system-backend:0.3.1'
? ? implementation 'com.google.code.findbugs:jsr305:3.0.2'
? ? implementation 'com.google.guava:guava:27.0.1-android'
? ? implementation 'com.google.guava:guava:27.0.1-android'
? ? implementation 'com.google.protobuf:protobuf-java:3.11.4''
? ? // CameraX core library
? ? def camerax_version = "1.0.0-alpha06"
? ? implementation "androidx.camera:camera-core:$camerax_version"
? ? implementation "androidx.camera:camera-camera2:$camerax_version"
}