Error handling OpenCV未正确初始化。应用程序将被关闭

Error handling OpenCV未正确初始化。应用程序将被关闭,error-handling,package-managers,android-studio-2.3,opencv4android,Error Handling,Package Managers,Android Studio 2.3,Opencv4android,我正在尝试从手机上传一张照片,并对其进行线性过滤。但我得到了那个错误信息。以下是我的程序文件: 舱单: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.m.opencvjava"> <uses-permission android:name="android

我正在尝试从手机上传一张照片,并对其进行线性过滤。但我得到了那个错误信息。以下是我的程序文件:

舱单:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.m.opencvjava">

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>


    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".HomeActivity"></activity>
    </application>

</manifest>
家庭活动:

package com.m.opencvjava;

import org.opencv.core.Mat;

public class HomeActivity extends AppCompatActivity {

    Button bMean = (Button) findViewById(R.id.bMean);



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);
        bMean = findViewById(R.id.bMean);

        bMean.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent i=new Intent (getApplicationContext(),
                        MainActivity.class);
                i.putExtra("ACTION_MODE", MainActivity.MEAN_BLUR);
                startActivity(i);
            }
        });



    }

}
我必须说,我已经在Galaxy Note 5手机上运行了另一个安装了OpenCV 3 package manager的应用程序,并出现了相同的错误,但我想我已进入“设置”并检查了相机权限(该应用程序)并解决了问题。我也这么做了,并检查了此应用的存储权限,但无法解决问题


我不知道问题出在哪里?

使用变量检查opencv是否已加载。并在onResume回调中使用OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0,this,mOpenCVCallBack)
package com.m.opencvjava;

import org.opencv.core.Mat;

public class HomeActivity extends AppCompatActivity {

    Button bMean = (Button) findViewById(R.id.bMean);



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);
        bMean = findViewById(R.id.bMean);

        bMean.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent i=new Intent (getApplicationContext(),
                        MainActivity.class);
                i.putExtra("ACTION_MODE", MainActivity.MEAN_BLUR);
                startActivity(i);
            }
        });



    }

}