Android application which get the price of the stock written in Excel file

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${relativePackage}.${activityClass}" >

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:layout_below="@+id/textView2"
        android:layout_marginTop="24dp"
        android:text="TextView" />

</RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.andexcelread"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="21" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    
    
    
</manifest>

MainActivity.java

import java.io.File;
import java.io.IOException;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;


import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.read.biff.BiffException;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.widget.TextView;

public class MainActivity extends Activity {

	
    String dbStr = Environment.getExternalStorageDirectory() + "/dropbox/xls/stock1.xls";


	String strHyouji="";
	
	
    String[][] arrays = read();
    int line=0;

    
    
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		
		if(arrays == null ){
			strHyouji = "failure in reading Excel file";
		}else{
        
		for (String[] array : arrays) {
            strHyouji = strHyouji + array[0];
            System.out.println();
            strHyouji = strHyouji + "\n";
        }
        
		} 

		 
		 
	    TextView textSetting = (TextView) findViewById(R.id.textView1);
	    textSetting.setText(strHyouji);

	    
	    if(arrays != null){ 
	    new MyTask().execute();
	    }
		
	
	}
	
	
	
	

	 
    private class MyTask extends AsyncTask<Void, Void, String> {
 
  	  @Override
  	  protected String doInBackground(Void... params) {
  		  
  		
  		  
  
  		  
  		String url = "http://stocks.finance.yahoo.co.jp/stocks/detail/?code=6954.T";
  	  	String arg1 ="-----";
  	  	String arg2 ="-----";
  	  	  
  	  	String strKaeshi = "";
  		
  	  		  	
  	  	
    	
    		 for (String[] array : arrays) {	
  		  
  	    
  	    
  	
  	try{
  	
  	 url = "http://stocks.finance.yahoo.co.jp/stocks/detail/?code=" + array[0] + ".T";
	
  	 
  		
      Document doc = Jsoup.connect(url).get();
      Elements stoksPrices=doc.select("td[class=stoksPrice]");
      Elements reals=doc.select("dd[class=yjSb real]");
 
 
      for (Element stoksPrice : stoksPrices){
          System.out.println(stoksPrice.text());
          arg2 =stoksPrice.text();
          System.out.println(arg2.replace(",",""));
          arg2=(arg2.replace(",",""));
      }   
      
      for (Element real : reals){
           System.out.println(real.child(0).text());
           arg1 = real.child(0).text();
          
       }
       
       
  	    
  		} catch (Exception e) {
	    	arg2=e.toString();
	    }
  	
   	    
  	    strKaeshi = strKaeshi + arg1 + " " + arg2 + "\n";

  	    
  	    
  	    
  	    
  	   arg1 ="-----";
	   arg2 ="-----";

  	    
    	}
  	
	    return strKaeshi;
	    
    }
 
  	  @Override
  	  protected void onPostExecute(String result) {        
  	    ((TextView)findViewById (R.id.textView1)).setText(result);
  	  }
  	}

	
	
	public String[][] read() {
        Workbook workbook = null;
        try {
            WorkbookSettings ws = new WorkbookSettings();
            ws.setGCDisabled(true);
            

            
            workbook = Workbook.getWorkbook(new File(dbStr), ws);

            Sheet sheet = workbook.getSheet(0);

            int rowCount = sheet.getRows();
            String[][] result = new String[rowCount][];
            for (int i = 0; i < rowCount; i++) {
                Cell[] row = sheet.getRow(i);

                result[i] = new String[row.length];
                for (int j = 0; j < row.length; j++) {
                    result[i][j] = row[j].getContents();
                }
            }
            return result;
        
        } catch (BiffException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (workbook != null) {
                workbook.close();
            }
        }
  
        return null;
    }
	
}