我正在开发一个android - openCV项目，不过我在途中遇到了一些神奇的错误，我需要你的帮助。
这是我的 MainActivity.java 文件
package com.letscreate.cizgilestir;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.SeekBar;
import android.widget.TextView;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import org.opencv.android.Utils;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfPoint;
import org.opencv.core.Scalar;
import org.opencv.core.Size;
import org.opencv.imgproc.Imgproc;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "Cartoonify";
private static final int SELECT_PICTURE = 1;
private static final int GOTO_CAMERA = 2;
private Bitmap mBitmapModified;
private Bitmap mBitmap;
private ProgressBar mProgBar;
private TextView mInfoText;
private boolean fProcess=false;
private String mCurrentPhotoPath;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
if(status == LoaderCallbackInterface.SUCCESS) {
Log.i(TAG, "OpenCV loaded successfully.");
} else {
super.onManagerConnected(status);
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mProgBar = (ProgressBar) findViewById(R.id.prog_bar);
mProgBar.setVisibility(View.INVISIBLE);
mInfoText = (TextView) findViewById(R.id.info_message);
SeekBar seekBar = (SeekBar)findViewById(R.id.seekBar1);
final TextView seekBarValue = (TextView)findViewById(R.id.seekbarvalue);
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
seekBarValue.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
});
SeekBar SeekBar04 = (SeekBar)findViewById(R.id.SeekBar04);
final TextView TextView04 = (TextView)findViewById(R.id.TextView04);
SeekBar04.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
TextView04.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
});
SeekBar SeekBar02 = (SeekBar)findViewById(R.id.SeekBar02);
final TextView TextView02 = (TextView)findViewById(R.id.TextView02);
SeekBar02.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
TextView02.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
});
SeekBar SeekBar03 = (SeekBar)findViewById(R.id.SeekBar03);
final TextView TextView03 = (TextView)findViewById(R.id.TextView03);
SeekBar03.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
TextView03.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
});
}
@Override
protected void onResume() {
super.onResume();
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_2_0, this, mLoaderCallback);
ImageView imview = (ImageView) findViewById(R.id.image_view);
if(mBitmap != null && fProcess) {
imview.setImageBitmap(mBitmap);
mInfoText.setText(R.string.info_processing);
mProgBar.setVisibility(View.VISIBLE);
BitmapProcessTask bpt = new BitmapProcessTask(imview, mProgBar, mInfoText);
mBitmapModified = mBitmap.copy(Bitmap.Config.RGB_565,false);
bpt.execute(mBitmapModified);
fProcess = false;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.toonify, menu);
return true;
}
public void toonify(View view) {
fProcess = true;
onResume();
}
public void restore(View view) {
ImageView imview = (ImageView) findViewById(R.id.image_view);
imview.setImageBitmap(mBitmapModified);
}
public void dispatchGalleryIntent(View view) {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), SELECT_PICTURE);
}
public void dispatchCameraIntent(View view) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File f = null;
try {
f = setUpPhotoFile();
mCurrentPhotoPath = f.getAbsolutePath();
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(f));
} catch (IOException e) {
e.printStackTrace();
f = null;
mCurrentPhotoPath = null;
}
startActivityForResult(intent, GOTO_CAMERA);
}
//
// public static boolean isIntentAvailable(Context context, String action) {
// final PackageManager packageManager = context.getPackageManager();
// final Intent intent = new Intent(action);
// List<ResolveInfo> list =
// packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
// return list.size() > 0;
// }
//
// private void handleSmallCameraPhoto(Intent intent) {
// Bundle extras = intent.getExtras();
// mImageBitmap = (Bitmap) extras.get("data");
// mImageView.setImageBitmap(mImageBitmap);
// }
public void onActivityResult(int requestCode, int resultCode, Intent data ) {
if(resultCode == RESULT_OK) {
if(requestCode == SELECT_PICTURE) {
Uri selectedImageUri = data.getData();
mBitmap = null;
try {
mBitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), selectedImageUri);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(mBitmap != null) {
ImageView imview = (ImageView) findViewById(R.id.image_view);
imview.setImageBitmap(mBitmap);
// Log.i(TAG,"when is this happening");
// mBitmapModified = mBitmap.copy(Bitmap.Config.RGB_565,false);
}
} else if(requestCode == GOTO_CAMERA) {
Log.i(TAG, "Ativity Completed");
if (mCurrentPhotoPath != null) {
Log.i(TAG, "Taking Picture");
setPic();
Log.i(TAG, "setPic Done");
galleryAddPic();
Log.i(TAG, "gallery added");
mCurrentPhotoPath = null;
}
}
}
}
public void saveImage(View view) {
SeekBar seek = (SeekBar) findViewById(R.id.seekBar1);
int seekValue = seek.getProgress();
Log.i(TAG, "Seeking "+seekValue);
ImageView imview = (ImageView) findViewById(R.id.image_view);
if(imview != null) {
}
if(mBitmap != null) {
Log.i(TAG, "saving image to gallery");
saveImageToGallery(mBitmapModified);
}
}
/*
* Used to save bitmaps and put them in the photo gallery.
*/
private void saveImageToGallery(Bitmap finalBitmap) {
String root = Environment.getExternalStorageDirectory().getAbsolutePath();
File myDir = new File(root + "/Cartoonified");
myDir.mkdirs();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
String timestamp = sdf.format(new Date());
String fname = "Cartoonify-"+ timestamp +".jpg";
File file = new File (myDir, fname);
if (file.exists ()) file.delete ();
try {
FileOutputStream out = new FileOutputStream(file);
finalBitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
out.flush();
out.close();
mInfoText.setText("Saved: " + fname);
} catch (Exception e) {
e.printStackTrace();
}
MediaScannerConnection.scanFile(this,
new String[] { file.toString() }, null,
new MediaScannerConnection.OnScanCompletedListener() {
public void onScanCompleted(String path, Uri uri) {
Log.i("ExternalStorage", "Scanned " + path + ":");
Log.i("ExternalStorage", "-> uri=" + uri);
}
});
// sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory())));
}
private void setPic() {
/* There isn't enough memory to open up more than a couple camera photos */
/* So pre-scale the target bitmap into which the file is decoded */
/* Get the size of the ImageView */
ImageView mImageView = (ImageView) findViewById(R.id.image_view);
int targetW = mImageView.getWidth();
int targetH = mImageView.getHeight();
/* Get the size of the image */
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
int photoW = bmOptions.outWidth;
int photoH = bmOptions.outHeight;
/* Figure out which way needs to be reduced less */
int scaleFactor = 1;
if ((targetW > 0) || (targetH > 0)) {
scaleFactor = Math.min(photoW/targetW, photoH/targetH);
}
/* Set bitmap options to scale the image decode target */
bmOptions.inJustDecodeBounds = false;
bmOptions.inSampleSize = scaleFactor;
bmOptions.inPurgeable = true;
/* Decode the JPEG file into a Bitmap */
mBitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
// Log.i(TAG,"when is this happening");
// mBitmapModified = Bitmap.createBitmap(mBitmap);
/* Associate the Bitmap to the ImageView */
mImageView.setImageBitmap(mBitmap);
mImageView.setVisibility(View.VISIBLE);
}
private void galleryAddPic() {
Intent mediaScanIntent = new Intent("android.intent.action.MEDIA_SCANNER_SCAN_FILE");
File f = new File(mCurrentPhotoPath);
Uri contentUri = Uri.fromFile(f);
mediaScanIntent.setData(contentUri);
this.sendBroadcast(mediaScanIntent);
}
private File createImageFile() throws IOException {
// Create an image file name
String root = Environment.getExternalStorageDirectory().getAbsolutePath();
File myDir = new File(root + "/Cartoonified");
myDir.mkdirs();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
String timestamp = sdf.format(new Date());
String fname = "Cartoonify-"+ timestamp +".jpg";
File file = new File (myDir, fname);
return file;
}
private File setUpPhotoFile() throws IOException {
File f = createImageFile();
mCurrentPhotoPath = f.getAbsolutePath();
return f;
}
private class BitmapProcessTask extends AsyncTask<Bitmap, Void, Bitmap> {
private final WeakReference<ImageView> imviewRef;
private final WeakReference<ProgressBar> progBarRef;
private final WeakReference<TextView> textViewRef;
public BitmapProcessTask(ImageView imview, ProgressBar progBar, TextView textView) {
imviewRef = new WeakReference<ImageView>(imview);
progBarRef = new WeakReference<ProgressBar>(progBar);
textViewRef = new WeakReference<TextView>(textView);
}
@Override
protected Bitmap doInBackground(Bitmap... params) {
Bitmap bmp = params[0];
Mat rgba = new Mat();
Mat rgb = new Mat();
Mat gray = new Mat();
Mat smallrgb = new Mat();
Mat edges = new Mat();
Mat tempA1 = new Mat();
Mat tempA2 = new Mat();
Mat tempB1 = new Mat();
Mat result = new Mat();
Utils.bitmapToMat(bmp, rgba);
Imgproc.cvtColor(rgba, gray, Imgproc.COLOR_RGBA2GRAY);
Imgproc.cvtColor(rgba, rgb, Imgproc.COLOR_RGBA2RGB);
Log.i(TAG, "size: " + gray.size().toString());
TextView text = (TextView)findViewById(R.id.seekbarvalue);
Integer MedFilterParam = Integer.parseInt(text.getText().toString());
if(MedFilterParam%2==0) MedFilterParam--;
Log.i(TAG, "Median Filter Parameter = "+MedFilterParam);
Imgproc.medianBlur(gray, tempA1, MedFilterParam);
Imgproc.Canny(tempA1, edges, 50, 90);
Size dilateSize = new Size(2,2);
Imgproc.dilate(edges, edges, Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, dilateSize));
List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
Imgproc.findContours(edges, contours, tempA2, Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
Log.i(TAG, "num contours: " + contours.size());
List<MatOfPoint> keepContours = new ArrayList<MatOfPoint>();
text = (TextView)findViewById(R.id.TextView04);
Integer EdgeFilterthreshold = Integer.parseInt(text.getText().toString());
Log.i(TAG, "Edge Filter Threshold = "+EdgeFilterthreshold);
for(MatOfPoint contour : contours) {
if(Imgproc.contourArea(contour) > EdgeFilterthreshold)
keepContours.add(contour);
}
double scale = 4;
Size smallSize = new Size(rgb.size().width/scale, rgb.size().height/scale);
Imgproc.resize(rgb, smallrgb, smallSize);
text = (TextView)findViewById(R.id.TextView02);
Integer BFReps = Integer.parseInt(text.getText().toString());
Log.i(TAG, "Bilateral Filter Repetitions = "+BFReps);
text = (TextView)findViewById(R.id.TextView03);
Integer BFSize = Integer.parseInt(text.getText().toString());
Log.i(TAG, "Bilateral Filter Kernel Size = "+BFSize);
double sigmaC = 15;
double sigmaS = 7;
for(int i = 0; i < BFReps; i++) {
Imgproc.bilateralFilter(smallrgb, tempB1, BFSize, sigmaC, sigmaS);
Imgproc.bilateralFilter(tempB1, smallrgb, BFSize, sigmaC, sigmaS);
}
Imgproc.resize(smallrgb, rgb, rgba.size(), 0, 0, Imgproc.INTER_LINEAR);
Imgproc.medianBlur(rgb, rgb, 7);
Size size = rgb.size();
double colorScale = 24;
byte[] pixels = new byte[3];
Log.i(TAG, CvType.typeToString(rgb.type()));
for(int row = 0; row < size.height; row++) {
for(int col = 0; col < size.width; col++) {
rgb.get(row, col, pixels);
for(int i = 0; i < 3; i++) {
int pix = (int)pixels[i];
pix = (int)(Math.floor((pix) / colorScale) * colorScale);
if(pix < -128) pix = -128;
if(pix > 127) pix = 127;
pixels[i] = (byte)pix;
}
rgb.put(row, col, pixels);
}
}
Imgproc.medianBlur(rgb, rgb, 11);
Imgproc.drawContours(rgb, keepContours, -1, new Scalar(30,30,30), -1);
Imgproc.cvtColor(rgb, result, Imgproc.COLOR_RGB2RGBA);
Utils.matToBitmap(result, bmp);
rgba.release();
rgb.release();
gray.release();
smallrgb.release();
edges.release();
tempA1.release();
tempA2.release();
tempB1.release();
result.release();
return bmp;
}
@Override
protected void onPostExecute(Bitmap bitmap) {
if(isCancelled()) {
bitmap = null;
}
if(imviewRef != null) {
ImageView imview = imviewRef.get();
if(imview != null) {
Log.i(TAG, "setting the bitmap now...");
imview.setImageBitmap(bitmap);
}
}
if(progBarRef != null) {
ProgressBar progBar = progBarRef.get();
if(progBar != null) {
progBar.setVisibility(View.INVISIBLE);
}
}
if(textViewRef != null) {
TextView textView = textViewRef.get();
if(textView != null) {
textView.setText(R.string.info_process_complete);
}
}
}
}
}
由于堆栈溢出的新线程规则，我无法添加布局文件。但如果你需要我也会尝试添加它。
问题是我的应用程序停止了工作警告，Android监视器选项卡中没有解释？
java代码中是否有错误？