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Editorial Team
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Asked: 2026-05-31T10:21:14+00:00

When I call Highgui.imread command, I get Unexpected Exception on my mobile phone. I

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When I call Highgui.imread command, I get Unexpected Exception on my mobile phone.

I want to load an Image from SDCard to a MAT variable.

File imgFile = new  File("/sdcard/image1.jpg");
if(imgFile.exists())
{ 
 Mat pic1 = Highgui.imread(imgFile.getAbsolutePath()); 
}

I am using Galaxy Tab 10.1 + Android OS: 3.2 kernel ver: 2.6.36.3

The Error on Device:
“The application project1 (process prj.project) has stopped unexpectedly. Please try again.“

Thank you for your help in advance.

Regards,
Ali

LogCat:

02-06 11:08:23.620: W/dalvikvm(5853): Exception Ljava/lang/UnsatisfiedLinkError; thrown while initializing Lorg/opencv/highgui/Highgui;    
02-06 11:08:23.620: D/AndroidRuntime(5853): Shutting down VM    
02-06 11:08:23.620: W/dalvikvm(5853): threadid=1: thread exiting with uncaught exception (group=0x400fc760)    
02-06 11:08:23.620: E/AndroidRuntime(5853): FATAL EXCEPTION: main    
02-06 11:08:23.620: E/AndroidRuntime(5853): java.lang.ExceptionInInitializerError    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at photo.klu.PhotoKLUActivity$1.onClick(PhotoKLUActivity.java:89)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.view.View.performClick(View.java:3127)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.view.View$PerformClick.run(View.java:12025)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.os.Handler.handleCallback(Handler.java:587)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.os.Handler.dispatchMessage(Handler.java:92)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.os.Looper.loop(Looper.java:132)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at android.app.ActivityThread.main(ActivityThread.java:4126)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at java.lang.reflect.Method.invokeNative(Native Method)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at java.lang.reflect.Method.invoke(Method.java:491)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:844)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at dalvik.system.NativeStart.main(Native Method)    
02-06 11:08:23.620: E/AndroidRuntime(5853): Caused by: java.lang.UnsatisfiedLinkError: Couldn't load opencv_java: findLibrary returned null    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at java.lang.Runtime.loadLibrary(Runtime.java:425)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at java.lang.System.loadLibrary(System.java:554)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     at org.opencv.highgui.Highgui.<clinit>(Highgui.java:313)    
02-06 11:08:23.620: E/AndroidRuntime(5853):     ... 12 more    
02-06 11:08:25.640: I/dalvikvm(5853): threadid=4: reacting to signal 3    
02-06 11:08:25.640: I/dalvikvm(5853): Wrote stack traces to '/data/anr/traces.txt'
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1 Answer

  1. Editorial Team

    The openCV library is not attached to your application.
    Please do the following (i assume that the openCV library is imported to your workspace).
    On Package Explorer > Right click on the application project > properties > under Library click Add > select openCV
    Be sure that on Java Build Path you don’t have anything related to openCV

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