TensorFlow+AndroidScanner-找不到“libopencv_java3.so”

Question

FATAL EXCEPTION: main

    Process: fr.pacifica.insurancechat.debug, PID: 2139
    java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/fr.pacifica.insurancechat.debug-OI_d1EANbiczpZEwAHYdkw==/base.apk"],nativeLibraryDirectories=[/data/app/fr.pacifica.insurancechat.debug-OI_d1EANbiczpZEwAHYdkw==/lib/arm64, /data/app/fr.pacifica.insurancechat.debug-OI_d1EANbiczpZEwAHYdkw==/base.apk!/lib/arm64-v8a, /system/lib64, /system/vendor/lib64]]] couldn't find "libopencv_java3.so"
    at java.lang.Runtime.loadLibrary0(Runtime.java:1011)
    at java.lang.System.loadLibrary(System.java:1657)
    at com.scanlibrary.ScanActivity.(ScanActivity.java:125)
    at java.lang.Class.newInstance(Native Method)
    at android.app.Instrumentation.newActivity(Instrumentation.java:1190)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2837)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3046)
    at android.app.ActivityThread.-wrap11(Unknown Source:0)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1688)
    at android.os.Handler.dispatchMessage(Handler.java:105)
    at android.os.Looper.loop(Looper.java:164)
    at android.app.ActivityThread.main(ActivityThread.java:6809)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

当我从gradle/code中删除TensorFlow引用时，导入的模块可以正常工作。

Answer 1

您导入的项目只构建32位版本的libscanner.so，因此只使用32位版本的libopencv_java3.so。在短期内，你可以保留它，只设置

android {
  defaultConfig {
    ndk {
      abiFilters 'armeabi-v7a'
    }
  }
}

这将导致您的APK在arm64设备上以32位模式运行。

从长远来看，您也应该更新扫描器库以构建64位。这可能会带来显著的性能增益。