Source_TextSave

package xyz.net7.textsave; import android.app.ProgressDialog; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Environment; import android.os.StrictMode; import android.provider.MediaStore; import android.support.annotation.Nullable; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; public class MainActivity extends AppCompatActivity { private ProgressDialog mProgressDialog; private TesseractOCR mTessOCR; private Context context; protected String mCurrentPhotoPath; private Uri photoURI1; private Uri oldPhotoURI; private static final String errorFileCreate = "Error file create!"; private static final String errorConvert = "Error convert!"; private static final int REQUEST_IMAGE1_CAPTURE = 1; @BindView(R.id.ocr_image) ImageView firstImage; @BindView(R.id.ocr_text) TextView ocrText; int PERMISSION_ALL = 1; boolean flagPermissions = false; String[] PERMISSIONS = { android.Manifest.permission.WRITE_EXTERNAL_STORAGE, android.Manifest.permission.CAMERA }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); context = MainActivity.this; ButterKnife.bind(this); StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder(); StrictMode.setVmPolicy(builder.build()); if (!flagPermissions) { checkPermissions(); } String language = "eng"; mTessOCR = new TesseractOCR(this, language); } @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case REQUEST_IMAGE1_CAPTURE: { if (resultCode == RESULT_OK) { Bitmap bmp = null; try { InputStream is = context.getContentResolver().openInputStream(photoURI1); BitmapFactory.Options options = new BitmapFactory.Options(); bmp = BitmapFactory.decodeStream(is, null, options); } catch (Exception ex) { Log.i(getClass().getSimpleName(), ex.getMessage()); Toast.makeText(context, errorConvert, Toast.LENGTH_SHORT).show(); } firstImage.setImageBitmap(bmp); doOCR(bmp); OutputStream os; try { os = new FileOutputStream(photoURI1.getPath()); if (bmp != null) { bmp.compress(Bitmap.CompressFormat.JPEG, 100, os); } os.flush(); os.close(); } catch (Exception ex) { Log.e(getClass().getSimpleName(), ex.getMessage()); Toast.makeText(context, errorFileCreate, Toast.LENGTH_SHORT).show(); } } else { { photoURI1 = oldPhotoURI; firstImage.setImageURI(photoURI1); } } } } } @OnClick(R.id.scan_button) void onClickScanButton() { // check permissions if (!flagPermissions) { checkPermissions(); return; } //prepare intent Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); if (takePictureIntent.resolveActivity(context.getPackageManager()) != null) { File photoFile = null; try { photoFile = createImageFile(); } catch (IOException ex) { Toast.makeText(context, errorFileCreate, Toast.LENGTH_SHORT).show(); Log.i("File error", ex.toString()); } // Continue only if the File was successfully created if (photoFile != null) { oldPhotoURI = photoURI1; photoURI1 = Uri.fromFile(photoFile); takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI1); startActivityForResult(takePictureIntent, REQUEST_IMAGE1_CAPTURE); } } } public File createImageFile() throws IOException { // Create an image file name String timeStamp = new SimpleDateFormat("MMdd_HHmmss").format(new Date()); String imageFileName = "JPEG_" + timeStamp + "_"; File storageDir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES); File image = File.createTempFile( imageFileName, /* prefix */ ".jpg", /* suffix */ storageDir /* directory */ ); // Save a file: path for use with ACTION_VIEW intents mCurrentPhotoPath = image.getAbsolutePath(); return image; } void checkPermissions() { if (!hasPermissions(context, PERMISSIONS)) { requestPermissions(PERMISSIONS, PERMISSION_ALL); flagPermissions = false; } flagPermissions = true; } public static boolean hasPermissions(Context context, String... permissions) { if (context != null && permissions != null) { for (String permission : permissions) { if (ActivityCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) { return false; } } } return true; } private void doOCR(final Bitmap bitmap) { if (mProgressDialog == null) { mProgressDialog = ProgressDialog.show(this, "Processing", "Doing OCR...", true); } else { mProgressDialog.show(); } new Thread(new Runnable() { public void run() { final String srcText = mTessOCR.getOCRResult(bitmap); runOnUiThread(new Runnable() { @Override public void run() { if (srcText != null && !srcText.equals("")) { ocrText.setText(srcText); } mProgressDialog.dismiss(); } }); } }).start(); } }