I found this code and when i run it a lot of errors occured.
04-02 17:04:42.614: D/PhoneWindow(9887): FMB installDecor mIsFloating : false
04-02 17:04:42.614: D/PhoneWindow(9887): FMB installDecor flags : 8454400
04-02 17:04:42.614: D/OpenCV/StaticHelper(9887): Trying to get library list
04-02 17:04:42.624: E/OpenCV/StaticHelper(9887): OpenCV error: Cannot load info library for OpenCV
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): Library list: ""
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): First attempt to load libs
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): Trying to init OpenCV libs
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): Trying to load library opencv_java3
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): Cannot load library "opencv_java3"
04-02 17:04:42.624: W/System.err(9887): java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.example.match-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]] couldn't find "libopencv_java3.so"
04-02 17:04:42.624: W/System.err(9887): at java.lang.Runtime.loadLibrary(Runtime.java:366)
04-02 17:04:42.624: W/System.err(9887): at java.lang.System.loadLibrary(System.java:989)
04-02 17:04:42.624: W/System.err(9887): at org.opencv.android.StaticHelper.loadLibrary(StaticHelper.java:64)
04-02 17:04:42.624: W/System.err(9887): at org.opencv.android.StaticHelper.initOpenCVLibs(StaticHelper.java:95)
04-02 17:04:42.624: W/System.err(9887): at org.opencv.android.StaticHelper.initOpenCV(StaticHelper.java:39)
04-02 17:04:42.624: W/System.err(9887): at org.opencv.android.OpenCVLoader.initDebug(OpenCVLoader.java:77)
04-02 17:04:42.624: W/System.err(9887): at com.example.match.MainActivity.onCreate(MainActivity.java:23)
04-02 17:04:42.624: W/System.err(9887): at android.app.Activity.performCreate(Activity.java:6374)
04-02 17:04:42.624: W/System.err(9887): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
04-02 17:04:42.624: W/System.err(9887): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2752)
04-02 17:04:42.624: W/System.err(9887): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2873)
04-02 17:04:42.624: W/System.err(9887): at android.app.ActivityThread.access$900(ActivityThread.java:181)
04-02 17:04:42.624: W/System.err(9887): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1482)
04-02 17:04:42.624: W/System.err(9887): at android.os.Handler.dispatchMessage(Handler.java:102)
04-02 17:04:42.624: W/System.err(9887): at android.os.Looper.loop(Looper.java:145)
04-02 17:04:42.624: W/System.err(9887): at android.app.ActivityThread.main(ActivityThread.java:6145)
04-02 17:04:42.624: W/System.err(9887): at java.lang.reflect.Method.invoke(Native Method)
04-02 17:04:42.624: W/System.err(9887): at java.lang.reflect.Method.invoke(Method.java:372)
04-02 17:04:42.624: W/System.err(9887): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
04-02 17:04:42.624: W/System.err(9887): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
04-02 17:04:42.624: D/OpenCV/StaticHelper(9887): First attempt to load libs fails
04-02 17:04:42.624: I/System.out(9887): Running Template Matching
04-02 17:04:42.624: E/art(9887): No implementation found for long org.opencv.imgcodecs.Imgcodecs.imread_1(java.lang.String) (tried Java_org_opencv_imgcodecs_Imgcodecs_imread_11 and Java_org_opencv_imgcodecs_Imgcodecs_imread_11__Ljava_lang_String_2)
04-02 17:04:42.624: D/AndroidRuntime(9887): Shutting down VM
04-02 17:04:42.624: E/AndroidRuntime(9887): FATAL EXCEPTION: main
04-02 17:04:42.624: E/AndroidRuntime(9887): Process: com.example.match, PID: 9887
04-02 17:04:42.624: E/AndroidRuntime(9887): java.lang.UnsatisfiedLinkError: No implementation found for long org.opencv.imgcodecs.Imgcodecs.imread_1(java.lang.String) (tried Java_org_opencv_imgcodecs_Imgcodecs_imread_11 and Java_org_opencv_imgcodecs_Imgcodecs_imread_11__Ljava_lang_String_2)
04-02 17:04:42.624: E/AndroidRuntime(9887): at org.opencv.imgcodecs.Imgcodecs.imread_1(Native Method)
04-02 17:04:42.624: E/AndroidRuntime(9887): at org.opencv.imgcodecs.Imgcodecs.imread(Imgcodecs.java:102)
04-02 17:04:42.624: E/AndroidRuntime(9887): at com.example.match.MainActivity.run(MainActivity.java:43)
04-02 17:04:42.624: E/AndroidRuntime(9887): at com.example.match.MainActivity.onCreate(MainActivity.java:27)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.Activity.performCreate(Activity.java:6374)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2752)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2873)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.ActivityThread.access$900(ActivityThread.java:181)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1482)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.os.Handler.dispatchMessage(Handler.java:102)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.os.Looper.loop(Looper.java:145)
04-02 17:04:42.624: E/AndroidRuntime(9887): at android.app.ActivityThread.main(ActivityThread.java:6145)
04-02 17:04:42.624: E/AndroidRuntime(9887): at java.lang.reflect.Method.invoke(Native Method)
04-02 17:04:42.624: E/AndroidRuntime(9887): at java.lang.reflect.Method.invoke(Method.java:372)
04-02 17:04:42.624: E/AndroidRuntime(9887): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
04-02 17:04:42.624: E/AndroidRuntime(9887): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
04-02 17:04:48.284: E/art(9887): No implementation found for void org.opencv.core.Mat.n_delete(long) (tried Java_org_opencv_core_Mat_n_1delete and Java_org_opencv_core_Mat_n_1delete__J)
04-02 17:04:48.284: E/System(9887): Uncaught exception thrown by finalizer
04-02 17:04:48.284: E/System(9887): java.lang.UnsatisfiedLinkError: No implementation found for void org.opencv.core.Mat.n_delete(long) (tried Java_org_opencv_core_Mat_n_1delete and Java_org_opencv_core_Mat_n_1delete__J)
04-02 17:04:48.284: E/System(9887): at org.opencv.core.Mat.n_delete(Native Method)
04-02 17:04:48.284: E/System(9887): at org.opencv.core.Mat.finalize(Mat.java:911)
04-02 17:04:48.284: E/System(9887): at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:209)
04-02 17:04:48.284: E/System(9887): at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:192)
04-02 17:04:48.284: E/System(9887): at java.lang.Thread.run(Thread.java:818)
package com.example.match;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import org.opencv.core.Core;
import org.opencv.core.Core.MinMaxLocResult;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.highgui.Highgui;
import org.opencv.imgproc.Imgproc;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
run("bmp1.bmp", "bmp2.bmp", "bmp3.bmp", Imgproc.TM_CCOEFF);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void run(String inFile, String templateFile, String outFile, int match_method) {
System.out.println("\nRunning Template Matching");
Mat img = Highgui.imread(inFile);
Mat templ = Highgui.imread(templateFile);
// / Create the result matrix
int result_cols = img.cols() - templ.cols() + 1;
int result_rows = img.rows() - templ.rows() + 1;
Mat result = new Mat(result_rows, result_cols, CvType.CV_32FC1);
// / Do the Matching and Normalize
Imgproc.matchTemplate(img, templ, result, match_method);
Core.normalize(result, result, 0, 1, Core.NORM_MINMAX, -1, new Mat());
// / Localizing the best match with minMaxLoc
MinMaxLocResult mmr = Core.minMaxLoc(result);
Point matchLoc;
if (match_method == Imgproc.TM_SQDIFF || match_method == Imgproc.TM_SQDIFF_NORMED) {
matchLoc = mmr.minLoc;
} else {
matchLoc = mmr.maxLoc;
}
// / Show me what you got
Core.rectangle(img, matchLoc, new Point(matchLoc.x + templ.cols(),
matchLoc.y + templ.rows()), new Scalar(0, 255, 0));
// Save the visualized detection.
System.out.println("Writing "+ outFile);
Highgui.imwrite(outFile, img);
}
}
