我已经下载了最新版本的 OpenCV4Android,即 2.4.5 版本,并在下载所有合适的插件后将其导入 Eclipse Juno。
所有教程在我的 Android 模拟器上运行良好,但 Native Activity 除外。当我尝试在我的模拟器上运行它时,应用程序停止并显示以下消息:“不幸的是,OCV native Activity 已停止”。
我的 logcat 是:
05-05 13:24:54.489: E/AndroidRuntime(884): FATAL EXCEPTION: main
05-05 13:24:54.489: E/AndroidRuntime(884): java.lang.UnsatisfiedLinkError: Couldn't load native_activity from loader dalvik.system.PathClassLoader[dexPath=/data/app/org.opencv.samples.NativeActivity-2.apk,libraryPath=/data/app-lib/org.opencv.samples.NativeActivity-2]: findLibrary returned null
05-05 13:24:54.489: E/AndroidRuntime(884): at java.lang.Runtime.loadLibrary(Runtime.java:365)
05-05 13:24:54.489: E/AndroidRuntime(884): at java.lang.System.loadLibrary(System.java:535)
05-05 13:24:54.489: E/AndroidRuntime(884): at org.opencv.samples.NativeActivity.CvNativeActivity$1.onManagerConnected(CvNativeActivity.java:22)
05-05 13:24:54.489: E/AndroidRuntime(884): at org.opencv.android.AsyncServiceHelper$1.onServiceConnected(AsyncServiceHelper.java:318)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1101)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1118)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.os.Handler.handleCallback(Handler.java:725)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.os.Handler.dispatchMessage(Handler.java:92)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.os.Looper.loop(Looper.java:137)
05-05 13:24:54.489: E/AndroidRuntime(884): at android.app.ActivityThread.main(ActivityThread.java:5041)
05-05 13:24:54.489: E/AndroidRuntime(884): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 13:24:54.489: E/AndroidRuntime(884): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 13:24:54.489: E/AndroidRuntime(884): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
05-05 13:24:54.489: E/AndroidRuntime(884): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
05-05 13:24:54.489: E/AndroidRuntime(884): at dalvik.system.NativeStart.main(Native Method)
我该怎么做才能解决这个问题?
最佳答案
模拟器找不到 native 库
System.loadLibrary("native_activity");
您必须先从 openCV_sdk 安装 apk。文件在 sample 上
example-native-activity.apk
然后你就可以在eclipse上玩代码了。
关于android - native Activity OpenCV4Android 不工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16385065/