大佬教程收集整理的这篇文章主要介绍了Android OpenCV 2.4.9静态初始化不像示例APK那样工作，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
include $(CLEAR_VARS) #OPENCV_CAMERA_MODULES:=on #OPENCV_INSTall_R_414_11845@ODULES:=on #OPENCV_LIB_TYPE:=SHARED include ../../sdk/native/jnI/OpenCV.mk LOCAL_SRC_FILES := DetectionBasedTracker_jni.cpp LOCAL_C_INCLUDES += $(LOCAL_PATH) LOCAL_LDLIBS += -llog -ldl LOCAL_MODULE := detection_based_tracker include $(BUILD_SHARED_LIBRARY)@H_772_12@我还在FdActivity上添加了静态初始化声明
这就是它的样子
package org.opencv.samples.facedetect; import java.io.File; import java.io.FiLeoutputStream; import java.io.IOException; import java.io.InputStream; import org.opencv.android.baseLoaderCallBACk; import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame; import org.opencv.android.LoaderCallBACkInterface; import org.opencv.android.openCVLoader; import org.opencv.core.Core; import org.opencv.core.Mat; import org.opencv.core.MatOfRect; import org.opencv.core.Rect; import org.opencv.core.Scalar; import org.opencv.core.Size; import org.opencv.android.CameraBridgeViewBase; import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2; import org.opencv.objdetect.CascadeClassifier; import android.app.Activity; import android.content.Context; import android.os.bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.WindowManager; public class FdActivity extends Activity implements CvCameraViewListener2 { static { if(!OpenCVLoader.initDebug()) { Log.d("ERROR","Unable to load OpenCV"); } else { Log.d("succesS","OpenCV loaded"); } } private static final String TAG = "OCVSample::Activity"; private static final Scalar FACE_RECT_COLOR = new Scalar(0,255,255); public static final int JAVA_DETECTOR = 0; public static final int NATIVE_DETECTOR = 1; private MenuItem mItemFace50; private MenuItem mItemFace40; private MenuItem mItemFace30; private MenuItem mItemFace20; private MenuItem mItemType; private Mat mRgba; private Mat mGray; private File mCascadeFile; private CascadeClassifier mJavaDetector; private DetectionBasedTracker mNativeDetector; privatE int mDetectorType = JAVA_DETECTOR; private String[] mDetectorName; private float mRelativeFaceSize = 0.2f; privatE int mAbsoluteFaceSize = 0; private CameraBridgeViewBase mOpenCvCameraView; private BaseLoaderCallBACk mLoaderCallBACk = new BaseLoaderCallBACk(this) { @Override public void onManagerConnected(int status) { switch (status) { case LoaderCallBACkInterface.succesS: { Log.i(tag,"OpenCV loaded successfully"); // Load native library after(!) OpenCV initialization System.loadLibrary("detection_based_tracker"); try { // load cascade file from application resources InputStream is = getresources().openRawresource(R.raw.lbpcascade_frontalfacE); File cascadeDir = getDir("cascade",Context.MODE_PRIVATE); mCascadeFile = new File(cascadeDir,"lbpcascade_frontalface.xml"); FiLeoutputStream os = new FiLeoutputStream(mCascadeFilE); byte[] buffer = new byte[4096]; int bytesRead; while ((bytesRead = is.read(buffer)) != -1) { os.write(buffer,bytesRead); } is.close(); os.close(); mJavaDetector = new CascadeClassifier(mCascadeFile.getAbsolutePath()); if (mJavaDetector.empty()) { Log.e(tag,"Failed to load cascade classifier"); mJavaDetector = null; } else Log.i(tag,"Loaded cascade classifier from " + mCascadeFile.getAbsolutePath()); mNativeDetector = new DetectionBasedTracker(mCascadeFile.getAbsolutePath(),0); cascadeDir.delete(); } catch (IOException E) { e.printStackTrace(); Log.e(tag,"Failed to load cascade. Exception thrown: " + E); } mOpenCvCameraView.enableView(); } break; default: { super.onManagerConnected(status); } break; } } }; public FdActivity() { mDetectorName = new String[2]; mDetectorName[JAVA_DETECTOR] = "Java"; mDetectorName[NATIVE_DETECTOR] = "Native (tracking)"; Log.i(tag,"Instantiated new " + this.getClass()); } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceStatE) { Log.i(tag,"called onCreate"); super.onCreate(savedInstanceStatE); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); setContentView(R.layout.face_detect_surface_view); mOpenCvCameraView = (CameraBridgeViewBasE) findViewById(R.id.fd_activity_surface_view); mLoaderCallBACk.onManagerConnected(LoaderCallBACkInterface.succesS); } @Override public void onPause() { super.onPause(); if (mOpenCvCameraView != null) mOpenCvCameraView.disableView(); } @Override public void onResume() { super.onResume(); //OpenCVLoader.initAsync(OpenCVLoader.oPENCV_VERSION_2_4_9,this,mLoaderCallBACk); } public void onDestroy() { super.onDestroy(); mOpenCvCameraView.disableView(); } public void onCameraViewStarted(int width,int height) { mGray = new Mat(); mRgba = new Mat(); } public void onCameraViewStopped() { mGray.release(); mRgba.release(); } public Mat onCameraFrame(CvCameraViewFrame inputFramE) { mRgba = inputFrame.rgba(); mGray = inputFrame.gray(); if (mAbsoluteFaceSize == 0) { int height = mGray.rows(); if (Math.round(height * mRelativeFaceSizE) > 0) { mAbsoluteFaceSize = Math.round(height * mRelativeFaceSizE); } mNativeDetector.setMinFaceSize(mAbsoluteFaceSizE); } MatOfRect faces = new MatOfRect(); if (mDetectorType == JAVA_DETECTOR) { if (mJavaDetector != null) mJavaDetector.detectMultiScale(mGray,faces,1.1,2,// TODO: objdetect.CV_HAAR_SCALE_IMAGE new Size(mAbsoluteFaceSize,mAbsoluteFaceSizE),new Size()); } else if (mDetectorType == NATIVE_DETECTOR) { if (mNativeDetector != null) mNativeDetector.detect(mGray,faces); } else { Log.e(tag,"Detection method is not SELEcted!"); } Rect[] facesArray = faces.toArray(); for (int i = 0; i < facesArray.length; i++) Core.rectangle(mRgba,facesArraY[i].tl(),facesArraY[i].br(),FACE_RECT_COLOR,3); return mRgba; } @Override public Boolean onCreateOptionsMenu(Menu menu) { Log.i(tag,"called onCreateOptionsMenu"); mItemFace50 = menu.add("Face size 50%"); mItemFace40 = menu.add("Face size 40%"); mItemFace30 = menu.add("Face size 30%"); mItemFace20 = menu.add("Face size 20%"); mItemType = menu.add(mDetectorName[mDetectorType]); return true; } @Override public Boolean onOptionsItemSELEcted(MenuItem item) { Log.i(tag,"called onOptionsItemSELEcted; SELEcted item: " + item); if (item == mItemFace50) setMinFaceSize(0.5f); else if (item == mItemFace40) setMinFaceSize(0.4f); else if (item == mItemFace30) setMinFaceSize(0.3f); else if (item == mItemFace20) setMinFaceSize(0.2f); else if (item == mItemTypE) { int tmpDetectorType = (mDetectorType + 1) % mDetectorName.length; item.settitle(mDetectorName[tmpDetectorType]); setDetectorType(tmpDetectorTypE); } return true; } private void setMinFaceSize(float faceSizE) { mRelativeFaceSize = faceSize; mAbsoluteFaceSize = 0; } private void setDetectorType(int typE) { if (mDetectorType != typE) { mDetectorType = type; if (type == NATIVE_DETECTOR) { Log.i(tag,"Detection Based Tracker enabled"); mNativeDetector.start(); } else { Log.i(tag,"Cascade detector enabled"); mNativeDetector.stop(); } } }@H_772_12@}
07-30 11:30:32.989: D/OpenCV/StaticHelper(6088): Trying to get library list 07-30 11:30:32.989: E/OpenCV/StaticHelper(6088): OpenCV error: CAnnot load info library for OpenCV 07-30 11:30:32.989: D/OpenCV/StaticHelper(6088): Library list: "" 07-30 11:30:32.989: D/OpenCV/StaticHelper(6088): First attempt to load libs 07-30 11:30:32.989: D/OpenCV/StaticHelper(6088): Trying to init OpenCV libs 07-30 11:30:32.989: D/OpenCV/StaticHelper(6088): Trying to load library opencv_java 07-30 11:30:32.999: D/OpenCV/StaticHelper(6088): CAnnot load library "opencv_java" 07-30 11:30:32.999: W/System.err(6088): java.lang.UnsatisfiedLinkError: Couldn't load opencv_java from loader dalvik.system.PathClassLoader[dexPath=/data/app/org.opencv.samples.facedetect- 2.apk,libraryPath=/data/app-lib/org.opencv.samples.facedetect-2]: findLibrary returned null 07-30 11:30:33.029: W/System.err(6088): at java.lang.Runtime.loadLibrary(Runtime.java:365) 07-30 11:30:33.029: W/System.err(6088): at java.lang.System.loadLibrary(System.java:535) 07-30 11:30:33.029: W/System.err(6088): at org.opencv.android.StaticHelper.loadLibrary(StaticHelper.java:64) 07-30 11:30:33.029: W/System.err(6088): at org.opencv.android.StaticHelper.initOpenCVLibs(StaticHelper.java:95) 07-30 11:30:33.029: W/System.err(6088): at org.opencv.android.StaticHelper.initOpenCV(StaticHelper.java:39) 07-30 11:30:33.029: W/System.err(6088): at org.opencv.android.openCVLoader.initDebug(OpenCVLoader.java:56) 07-30 11:30:33.029: W/System.err(6088): at org.opencv.samples.facedetect.FdActivity.<clinit>(FdActivity.java:32) 07-30 11:30:33.029: W/System.err(6088): at java.lang.Class.newInstanceImpl(Native Method) 07-30 11:30:33.029: W/System.err(6088): at java.lang.Class.newInstance(Class.java:1319) 07-30 11:30:33.029: W/System.err(6088): at android.app.instrumentation.newActivity(instrumentation.java:1071) 07-30 11:30:33.029: W/System.err(6088): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2162) 07-30 11:30:33.029: W/System.err(6088): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2295) 07-30 11:30:33.029: W/System.err(6088): at android.app.ActivityThread.access$700(ActivityThread.java:150) 07-30 11:30:33.029: W/System.err(6088): at android.app.ActivityThread$H.handlemessage(ActivityThread.java:1280) 07-30 11:30:33.029: W/System.err(6088): at android.os.Handler.dispatchmessage(Handler.java:99) 07-30 11:30:33.029: W/System.err(6088): at android.os.Looper.loop(Looper.java:176) 07-30 11:30:33.029: W/System.err(6088): at android.app.ActivityThread.main(ActivityThread.java:5279) 07-30 11:30:33.029: W/System.err(6088): at java.lang.reflect.Method.invokeNative(Native Method) 07-30 11:30:33.029: W/System.err(6088): at java.lang.reflect.Method.invoke(Method.java:511) 07-30 11:30:33.029: W/System.err(6088): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 07-30 11:30:33.029: W/System.err(6088): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 07-30 11:30:33.029: W/System.err(6088): at dalvik.system.NativeStart.main(Native Method) 07-30 11:30:33.029: D/OpenCV/StaticHelper(6088): First attempt to load libs fails 07-30 11:30:33.029: D/ERROR(6088): Unable to load OpenCV 07-30 11:30:33.029: I/OCVSample::Activity(6088): Instantiated new class org.opencv.samples.facedetect.FdActivity 07-30 11:30:33.049: I/OCVSample::Activity(6088): called onCreate 07-30 11:30:33.109: D/CameraBridge(6088): Attr count: 3 07-30 11:30:33.109: I/OCVSample::Activity(6088): OpenCV loaded successfully 07-30 11:30:33.109: D/dalvikvm(6088): Trying to load lib /data/app-lib/org.opencv.samples.facedetect-2/libdetection_based_tracker.so 0x420de340 07-30 11:30:33.119: D/(6088): calling hookDlopen()! 07-30 11:30:33.119: D/(6088): calling hookcheckABI2Header()! 07-30 11:30:33.119: E/dalvikvm(6088): dlopen("/data/app-lib/org.opencv.samples.facedetect-2/libdetection_based_tracker.so") Failed: CAnnot load library: soinfo_link_image(linker.cpp:1635): Could not load library "libopencv_java.so" needed by "libdetection_based_tracker.so"; caused by load_library(linker.cpp:745): library "libopencv_java.so" not found 07-30 11:30:33.119: D/AndroidRuntime(6088): ShutTing down VM 07-30 11:30:33.119: W/dalvikvm(6088): threadid=1: thread exiTing with uncaught exception (group=0x41ab8e10) 07-30 11:30:33.119: E/AndroidRuntime(6088): FATAL EXCEPTION: main 07-30 11:30:33.119: E/AndroidRuntime(6088): java.lang.UnsatisfiedLinkError: CAnnot load library: soinfo_link_image(linker.cpp:1635): Could not load library "libopencv_java.so" needed by "libdetection_based_tracker.so"; caused by load_library(linker.cpp:745): library "libopencv_java.so" not found 07-30 11:30:33.119: E/AndroidRuntime(6088): at java.lang.Runtime.loadLibrary(Runtime.java:371) 07-30 11:30:33.119: E/AndroidRuntime(6088): at java.lang.System.loadLibrary(System.java:535) 07-30 11:30:33.119: E/AndroidRuntime(6088): at org.opencv.samples.facedetect.FdActivity$1.onManagerConnected(FdActivity.java:73) 07-30 11:30:33.119: E/AndroidRuntime(6088): at org.opencv.samples.facedetect.FdActivity.onCreate(FdActivity.java:133) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.Activity.performCreate(Activity.java:5267) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.instrumentation.callActivityOnCreate(instrumentation.java:1097) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2209) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2295) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.ActivityThread.access$700(ActivityThread.java:150) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.ActivityThread$H.handlemessage(ActivityThread.java:1280) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.os.Handler.dispatchmessage(Handler.java:99) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.os.Looper.loop(Looper.java:176) 07-30 11:30:33.119: E/AndroidRuntime(6088): at android.app.ActivityThread.main(ActivityThread.java:5279) 07-30 11:30:33.119: E/AndroidRuntime(6088): at java.lang.reflect.Method.invokeNative(Native Method) 07-30 11:30:33.119: E/AndroidRuntime(6088): at java.lang.reflect.Method.invoke(Method.java:511) 07-30 11:30:33.119: E/AndroidRuntime(6088): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 07-30 11:30:33.119: E/AndroidRuntime(6088): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 07-30 11:30:33.119: E/AndroidRuntime(6088): at dalvik.system.NativeStart.main(Native Method)@H_772_12@请帮我看看如何解决这个问题
以上是大佬教程为你收集整理的Android OpenCV 2.4.9静态初始化不像示例APK那样工作全部内容，希望文章能够帮你解决Android OpenCV 2.4.9静态初始化不像示例APK那样工作所遇到的程序开发问题。
如果觉得大佬教程网站内容还不错，欢迎将大佬教程推荐给程序员好友。
本图文内容来源于网友网络收集整理提供，作为学习参考使用，版权属于原作者。
如您有任何意见或建议可联系处理。小编QQ：384754419，请注明来意。