Error while integrating OpenCV in Android Studio (color.xml, content not allowed in prolog) ...

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Error while integrating OpenCV in Android Studio (color.xml, content not allowed in prolog)



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Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)when i am using android studio getting this error “The environment variable JAVA_HOME does not point to valid jvm installation”Android Studio 3.2.1 Gradle Build Fail (colors.xml: “Content is not allowed in prolog”)Android Studio Lock File ErrorAndroid Studio colors.xmlChange default Android Studio Layout themeException when starting Android StudioRunning Android Studio emulator on Ryzen?Android Studio issueAndroid Studio - No system image is allowed to choose fromError grdle sync on Android Studio





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I have been trying to integrate/use OpenCV in Android Studio. But I keep getting stuck with this error.



C:AndroidStudioProjectsIntegrateOpenCV341appsrcmainresvaluescolors.xml:1:1: Error: Content is not allowed in prolog.


I have tried to use:





  • OpenCV-2.4.9-Android-SDK




    reason: Most tutorials (outdated) work with this version





  • OpenCV-3.4.1-Android-SDK




    reason: Version with the latest tutorial (August 2018)





  • OpenCV-3.4.6-Android-SDK




    reason: Second latest version of OpenCV sdk android





  • OpenCV-4.1.0-Android-SDK




    reason: Latest version of OpenCV sdk android as of now





I went through these steps without error:




  1. Import Module (in a project)

  2. Add Dependency

  3. Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle

  4. Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it


  5. Typed in this code in MainActivity.java to check if it works*



    package com.example.integrateopencv249; //also tried with 3.4.1 and 4.1.0

    import android.support.v7.app.AppCompatActivity;
    import android.os.Bundle;
    import android.widget.Toast;

    import org.opencv.android.OpenCVLoader;

    public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    if(OpenCVLoader.initDebug()) {
    Toast.makeText(getApplicationContext(), "OpenCV successfully loaded", Toast.LENGTH_SHORT).show();
    }
    else{
    Toast.makeText(getApplicationContext(), "OpenCV failed to load", Toast.LENGTH_SHORT).show();
    }
    }
    }



But after I run the last step. It just fails.



This is what is inside the color.xml (it is the same with all versions of OpenCV sdk)



package org.opencv.core;

import java.util.Arrays;import java.util.List;


public class MatOfRect extends Mat {// 32SC4private static final int _depth = CvType.CV_32S;private static final int


These are the details of my Android Studio:



Android Studio 3.3.2
Build #AI-182.5107.16.33.5314842, built on February 16, 2019
JRE: 1.8.0_152-release-1248-b01 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0
(All of the SDK Tools are installed)


I tried to search for solutions to this problem but none are helpful to my situation.
Please help me :( I'm a complete beginner and I really want to start learning how to use OpenCV in Android Studio. I'd appreciate any help or suggestions.



note: I didn't continue OpenCV 4.1.0 after the first step because the module name only shows "java" and doesn't automatically update to the format "openCVLibrary410" as all the other versions before it do.










share|improve this question









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    0















    I have been trying to integrate/use OpenCV in Android Studio. But I keep getting stuck with this error.



    C:AndroidStudioProjectsIntegrateOpenCV341appsrcmainresvaluescolors.xml:1:1: Error: Content is not allowed in prolog.


    I have tried to use:





    • OpenCV-2.4.9-Android-SDK




      reason: Most tutorials (outdated) work with this version





    • OpenCV-3.4.1-Android-SDK




      reason: Version with the latest tutorial (August 2018)





    • OpenCV-3.4.6-Android-SDK




      reason: Second latest version of OpenCV sdk android





    • OpenCV-4.1.0-Android-SDK




      reason: Latest version of OpenCV sdk android as of now





    I went through these steps without error:




    1. Import Module (in a project)

    2. Add Dependency

    3. Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle

    4. Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it


    5. Typed in this code in MainActivity.java to check if it works*



      package com.example.integrateopencv249; //also tried with 3.4.1 and 4.1.0

      import android.support.v7.app.AppCompatActivity;
      import android.os.Bundle;
      import android.widget.Toast;

      import org.opencv.android.OpenCVLoader;

      public class MainActivity extends AppCompatActivity {

      @Override
      protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

      if(OpenCVLoader.initDebug()) {
      Toast.makeText(getApplicationContext(), "OpenCV successfully loaded", Toast.LENGTH_SHORT).show();
      }
      else{
      Toast.makeText(getApplicationContext(), "OpenCV failed to load", Toast.LENGTH_SHORT).show();
      }
      }
      }



    But after I run the last step. It just fails.



    This is what is inside the color.xml (it is the same with all versions of OpenCV sdk)



    package org.opencv.core;

    import java.util.Arrays;import java.util.List;


    public class MatOfRect extends Mat {// 32SC4private static final int _depth = CvType.CV_32S;private static final int


    These are the details of my Android Studio:



    Android Studio 3.3.2
    Build #AI-182.5107.16.33.5314842, built on February 16, 2019
    JRE: 1.8.0_152-release-1248-b01 amd64
    JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
    Windows 10 10.0
    (All of the SDK Tools are installed)


    I tried to search for solutions to this problem but none are helpful to my situation.
    Please help me :( I'm a complete beginner and I really want to start learning how to use OpenCV in Android Studio. I'd appreciate any help or suggestions.



    note: I didn't continue OpenCV 4.1.0 after the first step because the module name only shows "java" and doesn't automatically update to the format "openCVLibrary410" as all the other versions before it do.










    share|improve this question









    New contributor




    Kylie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0


      2






      I have been trying to integrate/use OpenCV in Android Studio. But I keep getting stuck with this error.



      C:AndroidStudioProjectsIntegrateOpenCV341appsrcmainresvaluescolors.xml:1:1: Error: Content is not allowed in prolog.


      I have tried to use:





      • OpenCV-2.4.9-Android-SDK




        reason: Most tutorials (outdated) work with this version





      • OpenCV-3.4.1-Android-SDK




        reason: Version with the latest tutorial (August 2018)





      • OpenCV-3.4.6-Android-SDK




        reason: Second latest version of OpenCV sdk android





      • OpenCV-4.1.0-Android-SDK




        reason: Latest version of OpenCV sdk android as of now





      I went through these steps without error:




      1. Import Module (in a project)

      2. Add Dependency

      3. Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle

      4. Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it


      5. Typed in this code in MainActivity.java to check if it works*



        package com.example.integrateopencv249; //also tried with 3.4.1 and 4.1.0

        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.widget.Toast;

        import org.opencv.android.OpenCVLoader;

        public class MainActivity extends AppCompatActivity {

        @Override
        protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if(OpenCVLoader.initDebug()) {
        Toast.makeText(getApplicationContext(), "OpenCV successfully loaded", Toast.LENGTH_SHORT).show();
        }
        else{
        Toast.makeText(getApplicationContext(), "OpenCV failed to load", Toast.LENGTH_SHORT).show();
        }
        }
        }



      But after I run the last step. It just fails.



      This is what is inside the color.xml (it is the same with all versions of OpenCV sdk)



      package org.opencv.core;

      import java.util.Arrays;import java.util.List;


      public class MatOfRect extends Mat {// 32SC4private static final int _depth = CvType.CV_32S;private static final int


      These are the details of my Android Studio:



      Android Studio 3.3.2
      Build #AI-182.5107.16.33.5314842, built on February 16, 2019
      JRE: 1.8.0_152-release-1248-b01 amd64
      JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
      Windows 10 10.0
      (All of the SDK Tools are installed)


      I tried to search for solutions to this problem but none are helpful to my situation.
      Please help me :( I'm a complete beginner and I really want to start learning how to use OpenCV in Android Studio. I'd appreciate any help or suggestions.



      note: I didn't continue OpenCV 4.1.0 after the first step because the module name only shows "java" and doesn't automatically update to the format "openCVLibrary410" as all the other versions before it do.










      share|improve this question









      New contributor




      Kylie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I have been trying to integrate/use OpenCV in Android Studio. But I keep getting stuck with this error.



      C:AndroidStudioProjectsIntegrateOpenCV341appsrcmainresvaluescolors.xml:1:1: Error: Content is not allowed in prolog.


      I have tried to use:





      • OpenCV-2.4.9-Android-SDK




        reason: Most tutorials (outdated) work with this version





      • OpenCV-3.4.1-Android-SDK




        reason: Version with the latest tutorial (August 2018)





      • OpenCV-3.4.6-Android-SDK




        reason: Second latest version of OpenCV sdk android





      • OpenCV-4.1.0-Android-SDK




        reason: Latest version of OpenCV sdk android as of now





      I went through these steps without error:




      1. Import Module (in a project)

      2. Add Dependency

      3. Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle

      4. Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it


      5. Typed in this code in MainActivity.java to check if it works*



        package com.example.integrateopencv249; //also tried with 3.4.1 and 4.1.0

        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.widget.Toast;

        import org.opencv.android.OpenCVLoader;

        public class MainActivity extends AppCompatActivity {

        @Override
        protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if(OpenCVLoader.initDebug()) {
        Toast.makeText(getApplicationContext(), "OpenCV successfully loaded", Toast.LENGTH_SHORT).show();
        }
        else{
        Toast.makeText(getApplicationContext(), "OpenCV failed to load", Toast.LENGTH_SHORT).show();
        }
        }
        }



      But after I run the last step. It just fails.



      This is what is inside the color.xml (it is the same with all versions of OpenCV sdk)



      package org.opencv.core;

      import java.util.Arrays;import java.util.List;


      public class MatOfRect extends Mat {// 32SC4private static final int _depth = CvType.CV_32S;private static final int


      These are the details of my Android Studio:



      Android Studio 3.3.2
      Build #AI-182.5107.16.33.5314842, built on February 16, 2019
      JRE: 1.8.0_152-release-1248-b01 amd64
      JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
      Windows 10 10.0
      (All of the SDK Tools are installed)


      I tried to search for solutions to this problem but none are helpful to my situation.
      Please help me :( I'm a complete beginner and I really want to start learning how to use OpenCV in Android Studio. I'd appreciate any help or suggestions.



      note: I didn't continue OpenCV 4.1.0 after the first step because the module name only shows "java" and doesn't automatically update to the format "openCVLibrary410" as all the other versions before it do.







      java android xml android-studio opencv






      share|improve this question









      New contributor




      Kylie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









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      Kylie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 23 hours ago







      Kylie













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      Check out our Code of Conduct.






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