###前提・実現したいこと
AndroidstudioにてOpenCVをつかったJavaCameraViewを動かしたいのですがエラーに悩まされています。
###発生している問題・エラーメッセージ
Runログ I/OpenCV/StaticHelper: ----------------------------------------------------------------- I/MainActivity: Opencv loaded successfully D/JavaCameraView: Connecting to camera D/JavaCameraView: Initialize java camera D/JavaCameraView: Trying to open camera with old open() W/CameraBase: An error occurred while connecting to camera: 0 E/JavaCameraView: Camera is not available (in use or does not exist): Fail to connect to camera service D/JavaCameraView: Trying to open camera with new open(0) W/CameraBase: An error occurred while connecting to camera: 0 E/JavaCameraView: Camera #0failed to open: Fail to connect to camera service D/JavaCameraView: Trying to open camera with new open(1) W/CameraBase: An error occurred while connecting to camera: 1 E/JavaCameraView: Camera #1failed to open: Fail to connect to camera service D/JavaCameraView: Disconnecting from camera D/JavaCameraView: Notify thread D/JavaCameraView: Wating for thread 実機側 it seems that you device does not support camera (or it is locked).Application will be colosed.
###該当のソースコード
AndroidManifest.xml
1<?xml version="1.0" encoding="utf-8"?> 2<manifest xmlns:android="http://schemas.android.com/apk/res/android" 3 package="com.example.tomoe.opencvcamera"> 4 <uses-permission android:name="android.permission.CAMERA"/> 5 <uses-feature android:name="android.hardware.camera2" android:required="false"/> 6 <uses-feature android:name="android.hardware.camera2.autofocus" android:required="false"/> 7 <application 8 android:allowBackup="true" 9 android:icon="@mipmap/ic_launcher" 10 android:label="@string/app_name" 11 android:supportsRtl="true" 12 android:theme="@style/AppTheme"> 13 <activity android:name=".MainActivity"> 14 <intent-filter> 15 <action android:name="android.intent.action.MAIN" /> 16 17 <category android:name="android.intent.category.LAUNCHER" /> 18 </intent-filter> 19 </activity> 20 </application> 21 22</manifest> 23
MainActivity.java
1import android.support.v7.app.AppCompatActivity; 2import android.os.Bundle; 3import android.util.Log; 4import android.view.SurfaceView; 5 6import org.opencv.android.BaseLoaderCallback; 7import org.opencv.android.CameraBridgeViewBase; 8import org.opencv.android.JavaCameraView; 9import org.opencv.android.LoaderCallbackInterface; 10import org.opencv.android.OpenCVLoader; 11import org.opencv.core.CvType; 12import org.opencv.core.Mat; 13 14public class MainActivity extends AppCompatActivity implements CameraBridgeViewBase.CvCameraViewListener2{ 15 16 private static String TAG = "MainActivity"; 17 JavaCameraView javacameraview; 18 Mat mRgba; 19 BaseLoaderCallback mLoaderCallBack = new BaseLoaderCallback(this){ 20 21 @Override 22 public void onManagerConnected(int status) { 23 switch (status){ 24 case BaseLoaderCallback.SUCCESS:{ 25 javacameraview.enableView(); 26 break; 27 } 28 default:{ 29 super.onManagerConnected(status); 30 break; 31 } 32 } 33 34 } 35 }; 36 37 static { 38 if (OpenCVLoader.initDebug()){ 39 Log.i(TAG, "Opencv loaded successfully"); 40 } 41 else { 42 Log.i(TAG, "OpenCV not loaded"); 43 } 44 } 45 @Override 46 protected void onCreate(Bundle savedInstanceState) { 47 super.onCreate(savedInstanceState); 48 setContentView(R.layout.activity_main); 49 50 javacameraview = (JavaCameraView)findViewById(R.id.java_camera_view); 51 javacameraview.setVisibility(SurfaceView.VISIBLE); 52 javacameraview.setCvCameraViewListener(this); 53 54 } 55 56 @Override 57 protected void onPause(){ 58 super.onPause(); 59 if(javacameraview!=null) 60 javacameraview.disableView(); 61 } 62 63 @Override 64 protected void onDestroy(){ 65 super.onDestroy(); 66 if(javacameraview!=null) 67 javacameraview.disableView(); 68 } 69 70 @Override 71 protected void onResume(){ 72 super.onResume(); 73 if (OpenCVLoader.initDebug()){ 74 Log.i(TAG, "Opencv loaded successfully"); 75 mLoaderCallBack.onManagerConnected(LoaderCallbackInterface.SUCCESS); 76 77 } 78 else { 79 Log.i(TAG, "OpenCV not loaded"); 80 OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_11, this, mLoaderCallBack); 81 } 82 } 83 84 @Override 85 public void onCameraViewStarted(int width, int height) { 86 mRgba = new Mat(height,width, CvType.CV_8UC4); 87 } 88 89 @Override 90 public void onCameraViewStopped() { 91 mRgba.release(); 92 } 93 94 @Override 95 public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) { 96 mRgba = inputFrame.rgba(); 97 return mRgba; 98 } 99} 100
###試したこと
API21からandroid.hardware.cameraが使えないということでcamera2に変更しましたがダメでした・・・
###補足情報(言語/FW/ツール等のバージョンなど)
Androidstudio2.2
OpenCV for android 2.4.11
実機ASUS Nexus7 (android6.0.1,API23)
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2016/10/23 23:11
2016/10/24 00:15
2016/10/24 05:39
2016/10/24 18:30