这是我使用 tesseract 的 java 包装器 tess4j 将相机拍摄的图片转换为文本的代码!我已经包含了将它们添加到我的路径中的 jar 文件!代码没有显示任何语法错误!我启动默认相机,它启动我拍照,它显示在我声明的图像视图中,但是编辑框似乎是空的,尽管它应该显示 OCR 的结果!
package your.apnakaam.namespace;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.graphics.Bitmap;
import android.widget.ImageView;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.util.Log;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.io.File;
import java.io.File;
import net.sourceforge.tess4j.*;
public class KaamsekhaActivity extends Activity
{
private static final int CAMERA_REQUEST = 1888;
private ImageView imageView;
//**************************************************************************************************
private Intent data;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.main);
setContentView(R.layout.apna_layout);
Button capt_but = (Button)findViewById(R.id.capture_btn);
this.imageView = (ImageView)this.findViewById(R.id.picture);
capt_but.setOnClickListener(new View.OnClickListener()
{
//@Override
// TODO Auto-generated method stub
public void onClick(View v)
{
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);
}
});
}
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == CAMERA_REQUEST && resultCode == RESULT_OK)
{
Bitmap photo = (Bitmap) data.getExtras().get("data");
imageView.setImageBitmap(photo);
void myfunction()
}
}
public void myfunction()
{
TextView disp = (TextView)findViewById(R.id.editText1);
File new_pic = (File) data.getExtras().get("data");
Tesseract instance = Tesseract.getInstance(); // JNA Interface Mapping
try
{
String result = instance.doOCR(new_pic);
disp.setText(result);
}
catch (TesseractException e)
{
System.err.println(e.getMessage());
}
}
}
我无法弄清楚代码有什么问题!