package com.example.tess;  
  
  
import java.io.File;  
  
import com.googlecode.tesseract.android.TessBaseAPI;  
  
import android.os.Bundle;  
import android.app.Activity;  
import android.content.Intent;  
import android.graphics.Bitmap;  
import android.graphics.BitmapFactory;  
import android.view.Menu;  
import android.view.View;  
import android.view.View.OnClickListener;  
import android.widget.Button;  
import android.widget.TextView;  
  
public class MainActivity extends Activity {  
  
    private TextView text;  
    TessBaseAPI baseApi;  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_main);  
          
        Button bt=new Button(getBaseContext());  
        bt=(Button)findViewById(R.id.button1);  
          
          text=new TextView(getBaseContext());  
          text=(TextView)findViewById(R.id.textView1);  
          
          baseApi=new TessBaseAPI();  
          //(注意)前面的地址是语言包的父级。eng表示解析的是英文  
          baseApi.init("/mnt/sdcard/tesseract/", "eng");  
            
        bt.setOnClickListener(new OnClickListener() {  
            @Override  
             public void onClick(View sourse) {  
           // text.setText("sb");  
                //设置要ocr的图片bitmap，要解析的图片地址（注意）  
                baseApi.setImage(getDiskBitmap("/mnt/sdcard/mypic.bmp"));  
                //根据Init的语言，获得ocr后的字符串  
                String text1= baseApi.getUTF8Text();  
                text.setText(text1);  
                //释放bitmap  
                baseApi.clear();  
            }  
        }  
         );  
    }  
    /* 
     * 将本地图片转换为bitmap 
     */  
  
    private Bitmap getDiskBitmap(String pathString)  
    {  
        Bitmap bitmap = null;  
        try  
        {  
            File file = new File(pathString);  
            if(file.exists())  
            {  
                bitmap = BitmapFactory.decodeFile(pathString);  
                  
            }  
        } catch (Exception e)  
        {  
            // TODO: handle exception  
        }  
          
          
        return bitmap;  
    }  
}