[java_api] [coco_detection_android_demo] Updating build.gradle to build libraries in Linux for android deployment #927
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likholat
reviewed
Jul 30, 2024
...oid_demos/coco_detection_android_demo/app/src/main/java/org/intel/openvino/MainActivity.java
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Co-authored-by: Anna Likholat <aniali201398@gmail.com>
allnes
requested changes
Aug 1, 2024
| @@ -14,7 +14,7 @@ def nativesCPP; | |||
| def openvinoVersion = "2024.2" | |||
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| def native_resources = [] | |||
| def tbb_dir = System.getenv('TBB_DIR') | |||
| def tbb_dir = System.getenv('TBB_DIR') ?: System.getenv('OPV_HOME_DIR') + "/one-tbb-install/lib/cmake/TBB" | |||
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one-tbb-install directory can be changed, it's just example and there cannot be a universal way to find TBB, that why System.getenv('TBB_DIR') is required
| @@ -34,15 +34,18 @@ if (arch == "x86_64" || arch == "amd64" || arch == "x64" || arch == "x86-64") { | |||
| ov_arch = "armhf"; | |||
| } | |||
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| def openVinoDir = System.getenv('INTEL_OPENVINO_DIR') ?: System.getenv('OPV_HOME_DIR') + "/openvino_install" | |||
| println ">>> INTEL_OPENVINO_DIR -> ${openVinoDir}" | |||
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please add logging or remove simple print messages in demos
| @@ -34,15 +34,18 @@ if (arch == "x86_64" || arch == "amd64" || arch == "x64" || arch == "x86-64") { | |||
| ov_arch = "armhf"; | |||
| } | |||
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| def openVinoDir = System.getenv('INTEL_OPENVINO_DIR') ?: System.getenv('OPV_HOME_DIR') + "/openvino_install" | |||
| @@ -58,6 +61,7 @@ native_resources.each { | |||
| tree.visit { FileVisitDetails details -> | |||
| if (!details.file.isDirectory()) { | |||
| resources_list += details.file.name + "\n" | |||
| println ">>> Adding ${details.file.name} to native_resources" | |||
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When building the openvino-java-api.jar, if you do not build in android OS you end up building the incorrect libraries leading to errors like java.lang.UnsatisfiedLinkError: No implementation found for long org.intel.openvino.Core.GetCore() (tried Java_org_intel_openvino_Core_GetCore and Java_org_intel_openvino_Core_GetCore__) - is the library loaded, e.g. System.loadLibrary?
In order to solve this, you must change the build.gradle file to the correct variables for the libraries are set and discovered
This issue was discovered by @Kabor42 from IRF Solutions KFT. Budapest, Hungary. It fixes #926