我尝试在模拟器上运行 opencv android 示例。带有本机代码的示例,例如示例“教程 2 高级 - 1. 添加本机 OpenCV”失败。我有一个Win7 x86系统。我可以构建本机库,但如果运行示例,我总是会遇到以下异常:
10-04 08:08:19.179: WARN/dalvikvm(696): Exception Ljava/lang/UnsatisfiedLinkError; thrown while initializing Lorg/opencv/samples/tutorial3/Sample3View;
10-04 08:08:19.190: DEBUG/AndroidRuntime(696): Shutting down VM
10-04 08:08:19.190: WARN/dalvikvm(696): threadid=1: thread exiting with uncaught exception (group=0x40015560)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): FATAL EXCEPTION: main
10-04 08:08:19.289: ERROR/AndroidRuntime(696): java.lang.ExceptionInInitializerError
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at org.opencv.samples.tutorial3.Sample3Native.onCreate(Sample3Native.java:23)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.os.Handler.dispatchMessage(Handler.java:99)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.os.Looper.loop(Looper.java:123)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at android.app.ActivityThread.main(ActivityThread.java:3683)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at java.lang.reflect.Method.invokeNative(Native Method)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at java.lang.reflect.Method.invoke(Method.java:507)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at dalvik.system.NativeStart.main(Native Method)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): Caused by: java.lang.UnsatisfiedLinkError: Couldn't load native_sample: findLibrary returned null
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at java.lang.Runtime.loadLibrary(Runtime.java:429)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at java.lang.System.loadLibrary(System.java:554)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): at org.opencv.samples.tutorial3.Sample3View.(Sample3View.java:27)
10-04 08:08:19.289: ERROR/AndroidRuntime(696): ... 14 more
10-04 08:08:19.389: WARN/ActivityManager(70): Force finishing activity org.opencv.samples.tutorial3/.Sample3Native
10-04 08:08:19.959: WARN/ActivityManager(70): Activity pause timeout for HistoryRecord{406f26a0 org.opencv.samples.tutorial3/.Sample3Native}
10-04 08:08:20.089: DEBUG/dalvikvm(70): GC_EXPLICIT freed 92K, 47% free 4404K/8263K, external 5449K/5830K, paused 103ms
换线
APP_ABI := armeabi-v7a
in jni/Application.mk
to
APP_ABI := armeabi
默认情况下,OpenCV 示例是针对现代 armv7-a 硬件配置的。
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