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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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reason: Most tutorials (outdated) work with this version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:
- Import Module (in a project)
- Add Dependency
- Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle
- Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it
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
New contributor
add a comment |
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:
- Import Module (in a project)
- Add Dependency
- Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle
- Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it
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
New contributor
add a comment |
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:
- Import Module (in a project)
- Add Dependency
- Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle
- Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it
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
New contributor
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:
- Import Module (in a project)
- Add Dependency
- Edit compileSdkversion and targetSdkversion of OpenCV's build.gradle to match with app's build.gradle
- Made a Native folder (JNI folder) named jniLibs and copied the files inside sdk>native>libs to it
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
java android xml android-studio opencv
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edited 23 hours ago
Kylie
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asked yesterday
KylieKylie
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