アクティビティを再開できない問題の根本原因を見つけることができません。ギャラリーからの選択とカメラからの選択の間でランダムな選択を行うと、アプリがクラッシュします:(
編集: 完全な logcat:
04-05 12:30:07.479: W/IInputConnectionWrapper(17228): showStatusIcon on inactive InputConnection
04-05 12:30:17.109: I/RotateImage(17228): Exif orientation: 6
04-05 12:30:17.109: I/RotateImage(17228): Rotate value: 90
04-05 12:30:20.139: E/Swiss Insignia(17228): width=1920
04-05 12:30:20.139: E/Swiss Insignia(17228): height=2560
04-05 12:30:21.609: I/System.out(17228): str1=L@**
04-05 12:30:31.229: I/RotateImage(17228): Exif orientation: 6
04-05 12:30:31.229: I/RotateImage(17228): Rotate value: 90
04-05 12:30:33.949: E/Swiss Insignia(17228): width=1920
04-05 12:30:33.949: E/Swiss Insignia(17228): height=2560
04-05 12:30:35.089: I/System.out(17228): str2=L@**
04-05 12:30:37.909: W/IInputConnectionWrapper(17228): showStatusIcon on inactive InputConnection
04-05 12:30:45.829: I/Swiss Insignia(17456): Trying to load OpenCV library
04-05 12:30:45.889: D/SKIA_FONT(17456): load_system_fonts(), name = Roboto, style = 0, uniqueID = 1
04-05 12:30:45.889: D/SKIA_FONT(17456): load_system_fonts(), name = Roboto, style = 1, uniqueID = 2
04-05 12:30:45.889: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Serif, style = 0, uniqueID = 3
04-05 12:30:45.889: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Serif, style = 1, uniqueID = 4
04-05 12:30:45.889: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Serif, style = 2, uniqueID = 5
04-05 12:30:45.899: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Serif, style = 3, uniqueID = 6
04-05 12:30:45.899: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Sans Mono, style = 0, uniqueID = 7
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Sans Arabic, style = 0, uniqueID = 8
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Sans Hebrew, style = 0, uniqueID = 9
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = SamsungArmenian, style = 0, uniqueID = 10
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = SamsungGeorgian, style = 0, uniqueID = 11
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Sans Thai, style = 0, uniqueID = 12
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = HelveM_Telugu, style = 0, uniqueID = 13
04-05 12:30:45.909: D/SKIA_FONT(17456): load_system_fonts(), name = Droid Sans Fallback, style = 0, uniqueID = 14
04-05 12:30:45.919: D/SKIA_FONT(17456): load_system_fonts(), oldSansUID = 0, newSansUID = 1
04-05 12:30:45.919: D/SKIA_FONT(17456): load_system_fonts(), oldSansBoldUID = 0, newSansBoldUID = 2
04-05 12:30:45.969: W/dalvikvm(17456): threadid=1: thread exiting with uncaught exception (group=0x40018578)
04-05 12:30:45.989: E/AndroidRuntime(17456): FATAL EXCEPTION: main
04-05 12:30:45.989: E/AndroidRuntime(17456): java.lang.RuntimeException: Unable to resume activity {.MainActivity}: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=null} to activity {.MainActivity}: java.lang.NullPointerException
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2124)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2139)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1672)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.os.Handler.dispatchMessage(Handler.java:99)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.os.Looper.loop(Looper.java:130)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.main(ActivityThread.java:3687)
04-05 12:30:45.989: E/AndroidRuntime(17456): at java.lang.reflect.Method.invokeNative(Native Method)
04-05 12:30:45.989: E/AndroidRuntime(17456): at java.lang.reflect.Method.invoke(Method.java:507)
04-05 12:30:45.989: E/AndroidRuntime(17456): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
04-05 12:30:45.989: E/AndroidRuntime(17456): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
04-05 12:30:45.989: E/AndroidRuntime(17456): at dalvik.system.NativeStart.main(Native Method)
04-05 12:30:45.989: E/AndroidRuntime(17456): Caused by: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=null} to activity {.MainActivity}: java.lang.NullPointerException
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.deliverResults(ActivityThread.java:2536)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2111)
04-05 12:30:45.989: E/AndroidRuntime(17456): ... 12 more
04-05 12:30:45.989: E/AndroidRuntime(17456): Caused by: java.lang.NullPointerException
04-05 12:30:45.989: E/AndroidRuntime(17456): at .onActivityResult(MainActivity.java:101)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.Activity.dispatchActivityResult(Activity.java:3908)
04-05 12:30:45.989: E/AndroidRuntime(17456): at android.app.ActivityThread.deliverResults(ActivityThread.java:2532)
04-05 12:30:45.989: E/AndroidRuntime(17456): ... 13 more
コード：
public class MainActivity extends Activity
{
private static final int PICK_FROM_CAMERA = 1;
private static final int PICK_FROM_GALLERY = 2;
final String TAG = "Swiss Insignia";
ImageView imgview;
TextView output;
Button buttonCamera;
Button buttonGallery;
File destImage;
private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this)
{@Override
public void onManagerConnected(int status)
{
switch (status)
{
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "opencv loaded successfully");
// Create and set View
System.loadLibrary("SwissInsignia");
Log.i(TAG, "libSwissInsignia.so loaded successfully");
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
Log.i(TAG, "Trying to load OpenCV library");
if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack))
{
Log.e(TAG, "Cannot connect to OpenCV Manager");
}
setContentView(R.layout.activity_main);
imgview = (ImageView) findViewById(R.id.imageView1);
output = (TextView)findViewById(R.id.textViewOutput);
buttonCamera = (Button) findViewById(R.id.btn_take_camera);
buttonGallery = (Button) findViewById(R.id.btn_select_gallery);
buttonCamera.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
File dir = new File(Environment.getExternalStorageDirectory().getAbsolutePath(), "SwissInsignia");
if (!dir.isDirectory())
{
dir.mkdir();
}
destImage = new File(dir, new Date().getTime() + ".jpg");
intent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(destImage));
startActivityForResult(intent, PICK_FROM_CAMERA);
}
});
buttonGallery.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
Intent photoPickerIntent = new Intent(Intent.ACTION_GET_CONTENT);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, PICK_FROM_GALLERY);
}
});
}
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == PICK_FROM_CAMERA)
{
File f = new File(destImage.getAbsolutePath());
int rotateImage = getCameraPhotoOrientation(this, Uri.parse(destImage.getAbsolutePath()), destImage.getAbsolutePath());
Bitmap photo= convertBitmapToCorrectOrientation( BitmapFactory.decodeFile(f.getAbsolutePath()), rotateImage);
//Bitmap photo = BitmapFactory.decodeFile(f.getAbsolutePath());
Log.e(TAG, "width="+photo.getWidth());
Log.e(TAG, "height="+photo.getHeight());
Mat mRgba=new Mat();
org.opencv.android.Utils.bitmapToMat(photo,mRgba);
String str1=findFeatures(mRgba.getNativeObjAddr());
System.out.println("str1="+str1);
imgview.setImageBitmap(photo);
output.setText("Detected Pattern="+str1);
}
if (requestCode == PICK_FROM_GALLERY)
{
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
int rotateImage = getCameraPhotoOrientation(this, selectedImage, picturePath);
Bitmap photo= convertBitmapToCorrectOrientation( BitmapFactory.decodeFile(picturePath), rotateImage);
Log.e(TAG, "width="+photo.getWidth());
Log.e(TAG, "height="+photo.getHeight());
Mat mRgba=new Mat();
org.opencv.android.Utils.bitmapToMat(photo,mRgba);
String str2=findFeatures(mRgba.getNativeObjAddr());
System.out.println("str2="+str2);
Bitmap mutableBitmap = photo.copy(Bitmap.Config.ARGB_8888, true);
imgview.setImageBitmap(mutableBitmap);
output.setText("Detected Pattern="+str2);
}
}
public static Bitmap convertBitmapToCorrectOrientation(Bitmap photo,int rotation)
{
int width = photo.getWidth();
int height = photo.getHeight();
Matrix matrix = new Matrix();
matrix.preRotate(rotation);
return Bitmap.createBitmap(photo, 0, 0, width, height, matrix, false);
}
public int getCameraPhotoOrientation(Context context, Uri imageUri, String imagePath)
{
int rotate = 0;
try
{
context.getContentResolver().notifyChange(imageUri, null);
File imageFile = new File(imagePath);
ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
switch (orientation)
{
case ExifInterface.ORIENTATION_ROTATE_270:
rotate = 270;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
rotate = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_90:
rotate = 90;
break;
}
Log.i("RotateImage", "Exif orientation: " + orientation);
Log.i("RotateImage", "Rotate value: " + rotate);
}
catch (Exception e)
{
e.printStackTrace();
}
return rotate;
}
public static native String findFeatures( long matAddrRgba);
}