Opencv-Bibliothek zurück Null

Question

Wenn ich Open cv in Android Studio für Eye Detection integrieren. Nach der Integration Nachricht Drucken Opencv erfolgreich installieren Nachricht generieren, aber nachdem sie Fehler gegeben.

konnte nicht geladen werden detection_based_tracker von loader dalvik.system.PathClassLoader [DexPathList [[zip Datei "/data/app/com.example.admin.lanskart-2.apk"], nativeLibraryDirectories = [/ data/app-lib/com.example.admin.lanskart-2/Verkäufer/lib,/system/lib]]]: findLibrary zurück null

Process: com.example.admin.lanskart, PID: 24341 
java.lang.UnsatisfiedLinkError: Couldn't load detection_based_tracker from loader dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.example.admin.lanskart-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.admin.lanskart-2, /vendor/lib, /system/lib]]]: findLibrary returned null 
     at java.lang.Runtime.loadLibrary(Runtime.java:365) 
     at java.lang.System.loadLibrary(System.java:553) 
     at com.example.admin.lanskart.MainActivity$1.onManagerConnected(MainActivity.java:69) 
     at org.opencv.android.AsyncServiceHelper$3.onServiceConnected(AsyncServiceHelper.java:319) 
     at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1140) 
     at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1157) 
     at android.os.Handler.handleCallback(Handler.java:808) 
     at android.os.Handler.dispatchMessage(Handler.java:103) 
     at android.os.Looper.loop(Looper.java:193) 
     at android.app.ActivityThread.main(ActivityThread.java:5299) 
     at java.lang.reflect.Method.invokeNative(Native Method) 
     at java.lang.reflect.Method.invoke(Method.java:515) 
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:825) 
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:641) 
     at dalvik.system.NativeStart.main(Native Method) 

Answer 1

Sie müssen die Verzeichnisse Ihrer definieren jni Quelle in Ihrer Größe. Ihre App gradle sollte wie folgt sein:

apply plugin: 'com.android.model.application' 
model { 
    android { 
     compileSdkVersion = 22 
     buildToolsVersion = "23.0.0" 

     defaultConfig.with { 
      applicationId = "enter.your.packagename" 
      minSdkVersion.apiLevel = 10 
      targetSdkVersion.apiLevel = 22 
      versionCode = 1 
      versionName = "1.0" 
     } 


    } 

    android.buildTypes { 
     release { 
      minifyEnabled = false 
      proguardFiles += file('proguard-rules.pro') 
     } 
    } 

    /* 
    * native build settings 
    */ 
    android.ndk { 
     moduleName = "ndklibrarysample" 
     cppFlags += ["-std=c++11", "-fexceptions", "-frtti"] 
     cppFlags += "-I${file("D:yourpathtothesefiles/OpenCV-3.0.0-android-sdk-1/OpenCV-android-sdk/sdk/native/jni/include")}".toString() 
     ldLibs += ["android", "EGL", "GLESv2", "dl", "log", "z"] 
     stl = "gnustl_static" 
    } 

    android.productFlavors { 
     create("arm") { 
      ndk.with { 
       abiFilters += "armeabi" 

       File curDir = file('./') 
       curDir = file(curDir.absolutePath) 
       String libsDir = curDir.absolutePath + "\\src\\main\\jniLibs\\armeabi\\" 

       ldLibs += libsDir + "libopencv_java3.so" 
      } 
     } 
     create("armv7") { 
      ndk.with { 
       abiFilters += "armeabi-v7a" 

       File curDir = file('./') 
       curDir = file(curDir.absolutePath) 
       String libsDir = curDir.absolutePath + "\\src\\main\\jniLibs\\armeabi-v7a\\" 

       ldLibs += libsDir + "libopencv_java3.so" 
      } 
     } 
     create("x86") { 
      ndk.with { 
       abiFilters += "x86" 

       File curDir = file('./') 
       curDir = file(curDir.absolutePath) 
       String libsDir = curDir.absolutePath + "\\src\\main\\jniLibs\\x86\\" 

       ldLibs += libsDir + "libopencv_java3.so" 
      } 
     } 
     create("mips") { 
      ndk.with { 
       abiFilters += "mips" 

       File curDir = file('./') 
       curDir = file(curDir.absolutePath) 
       String libsDir = curDir.absolutePath + "\\src\\main\\jniLibs\\mips\\" 

       ldLibs += libsDir + "libopencv_java3.so" 
      } 
     } 
     create("fat") { 

     } 
    } 
} 

dependencies { 
    compile fileTree(include: ['*.jar'], dir: 'libs') 
    compile 'com.android.support:appcompat-v7:22.2.1' 
    compile project(':libraries:opencv') 
} 

und Classpath Projekt fromyour auf diese Version gradle Datei ändern und NDK Pfad Ihre local.properties Datei

classpath 'com.android.tools.build:gradle-experimental:0.2.0'