这是logcat的信息
02-09 12:45:12.405: D/MainActivity ...(2210): begin>>>>>>>
02-09 12:45:12.409: D/nimei(2210): ---in ocr() before try--
02-09 12:45:12.409: V/MainActivity ...(2210): not in the exception
02-09 12:45:12.409: V/MainActivity ...(2210): Orient: 0
02-09 12:45:12.409: V/MainActivity ...(2210): Rotation: 0
02-09 12:45:12.409: V/MainActivity ...(2210): Before baseApi
02-09 12:45:12.409: D/dalvikvm(2210): Trying to load lib /data/app-lib/com.ty.ytanocrtest-2/liblept.so 0xa4fd1858
02-09 12:45:12.433: D/houdini(2210): [2210] Loading library(version: 2.0.5.42475 RELEASE)... successfully.
02-09 12:45:12.433: D/dalvikvm(2210): Added shared lib /data/app-lib/com.ty.ytanocrtest-2/liblept.so 0xa4fd1858
02-09 12:45:12.433: D/dalvikvm(2210): Trying to load lib /data/app-lib/com.ty.ytanocrtest-2/libtess.so 0xa4fd1858
02-09 12:45:12.461: D/dalvikvm(2210): Added shared lib /data/app-lib/com.ty.ytanocrtest-2/libtess.so 0xa4fd1858
02-09 12:45:12.461: I/Tesseract(native)(2210): Attempting Init() with dir=/mnt/sdcard/tesseract/, lang=eng
02-09 12:45:22.304: W/ActivityManager(541): Launch timeout has expired, giving up wake lock!
02-09 12:45:22.324: E/WindowManager(541): Starting window AppWindowToken{529b88d4 token=Token{529908a8 ActivityRecord{52958f6c u0 com.ty.ytanocrtest/.MainActivity t4}}} timed out
下面是源码
package com.ty.ytanocrtest;
import java.io.IOException;
import com.googlecode.tesseract.android.TessBaseAPI;
import android.app.Activity;
import android.app.Fragment;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.media.ExifInterface;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
public class MainActivity extends Activity {
private static final String TAG = "MainActivity ...";
private static final String TESSBASE_PATH = "/mnt/sdcard/tesseract/";
private static final String DEFAULT_LANGUAGE = "eng";
private static final String IMAGE_PATH = "/mnt/sdcard/ocr.jpg";
private static final String EXPECTED_FILE = TESSBASE_PATH +"tessdata/"+ DEFAULT_LANGUAGE
+ ".traineddata";
private TessBaseAPI service;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
testOcr();
}
public void testOcr(){
mHandler.post(new Runnable() {
@Override
public void run() {
Log.d(TAG, "begin>>>>>>>");
ocr();
//test();
}
});
}
public void test(){
// First, make sure the eng.traineddata file exists.
/*assertTrue("Make sure that you've copied " + DEFAULT_LANGUAGE + ".traineddata to "
+ EXPECTED_FILE, new File(EXPECTED_FILE).exists());*/
final TessBaseAPI baseApi = new TessBaseAPI();
baseApi.init(TESSBASE_PATH, DEFAULT_LANGUAGE);
final Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
//digits is a .jpg image I found in one of the issues here.
ImageView img = (ImageView) findViewById(R.id.image);
img.setImageBitmap(bmp);//I can see the ImageView. So we know that it should work if I sent it to the setImage()
baseApi.setImage(bmp);
Log.v("Kishore","Kishore:Working");//This statement is never reached. Futhermore, on putting some more Log.v commands in the setImage function, I found out that the native function nativeSetImagePix is never accessed. I have attached the Logcat output below to show that it is not accessed.
String outputText = baseApi.getUTF8Text();
Log.v("Kishore","Kishore:"+outputText);
baseApi.end();
bmp.recycle();
}
protected void ocr() {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 2;
Bitmap bitmap = BitmapFactory.decodeFile(IMAGE_PATH, options);
Log.d("nimei", "---in ocr() before try--");
try {
Log.v(TAG, "not in the exception");
ExifInterface exif = new ExifInterface(IMAGE_PATH);
int exifOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
Log.v(TAG, "Orient: " + exifOrientation);
int rotate = 0;
switch (exifOrientation) {
case ExifInterface.ORIENTATION_ROTATE_90:
rotate = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
rotate = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
rotate = 270;
break;
}
Log.v(TAG, "Rotation: " + rotate);
// if (rotate != 0) { //这儿必须要注释掉，否则会报错 什么 ARGB_8888之类的
// Getting width & height of the given image.
int w = bitmap.getWidth();
int h = bitmap.getHeight();
// Setting pre rotate
Matrix mtx = new Matrix();
mtx.preRotate(rotate);
// Rotating Bitmap
bitmap = Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, false);
// tesseract req. ARGB_8888
bitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
// } //这儿必须要注释掉，否则会报错 什么 ARGB_8888之类的
} catch (IOException e) {
Log.e(TAG, "Rotate or coversion failed: " + e.toString());
Log.v(TAG, "in the exception");
}
ImageView iv = (ImageView) findViewById(R.id.image);
iv.setImageBitmap(bitmap);
iv.setVisibility(View.VISIBLE);
Log.v(TAG, "Before baseApi");
TessBaseAPI baseApi = new TessBaseAPI();
baseApi.setDebug(true);
baseApi.init(TESSBASE_PATH, DEFAULT_LANGUAGE);
baseApi.setImage(bitmap);
String recognizedText = baseApi.getUTF8Text();
baseApi.end();
Log.v(TAG, "OCR Result: " + recognizedText);
// clean up and show
if (DEFAULT_LANGUAGE.equalsIgnoreCase("eng")) {
recognizedText = recognizedText.replaceAll("[^a-zA-Z0-9]+", " ");
}
if (recognizedText.length() != 0) {
((TextView) findViewById(R.id.field)).setText(recognizedText.trim());
}
}
private Handler mHandler = new Handler(){
public void handleMessage(android.os.Message msg) {
};
};
