zipped a directory with all files

/*
 *
 * A free Java sample program
 * to POST to a HTTPS secure SSL website
 *
 * @author William Alexander
 * free for use as long as this comment is included
 * in the program as it is
 *
 * More Free Java programs available for download
 * at http://www.java-samples.com
 *
 */

import java.io.*;
import java.util.zip.*;
 public class Zip {
   static final int BUFFER = 2048;
   public static void main (String argv[]) {
      try {
         BufferedInputStream origin = null;
         FileOutputStream dest = new
           FileOutputStream("/home/istiaq/java/test/myZipTest.zip");
         ZipOutputStream out = new ZipOutputStream(new
           BufferedOutputStream(dest));
         //out.setMethod(ZipOutputStream.DEFLATED);
         byte data[] = new byte[BUFFER];
         // get a list of files from current directory
         File f = new File(".");
         String files[] = f.list();

         for (int i=0; i<files.length; i++) {
            System.out.println("Adding: "+files[i]);
            FileInputStream fi = new
              FileInputStream(files[i]);
            origin = new
              BufferedInputStream(fi, BUFFER);
            ZipEntry entry = new ZipEntry(files[i]);
            out.putNextEntry(entry);
            int count;
            while((count = origin.read(data, 0,
              BUFFER)) != -1) {
               out.write(data, 0, count);
            }
            origin.close();
         }
         out.close();
      } catch(Exception e) {
         e.printStackTrace();
      }
   }
}

MIME type chart

open pdf,audio etc type of file by intent

public void openFile(String pathWithFileName,String type)
    {
        String fileType=determineFileType(type);
     
        File file = new File(pathWithFileName);

        if (file.exists())
        {
            Uri path = Uri.fromFile(file);
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setDataAndType(path,fileType);
            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

            try
            {
                startActivity(intent);
            }
            catch (ActivityNotFoundException e)
            {
                Toast.makeText(Main.this,
                    "No Application Available to View PDF",
                    Toast.LENGTH_SHORT).show();
            }
        }
    } //openFile()
 
    public String determineFileType(String type)
    {
        String fileType="";
        if(type.equals("audio"))
        {
            fileType="audio/*";
        }
        else if(type.equals("pdf"))
        {
            fileType="application/pdf";
        }
     
        return fileType;
    } //determinrFileType()

check box in android

CheckBoxTestActivity.java
------------------------------------
package home.checkBoxTest;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Toast;

public class CheckBoxTestActivity extends Activity
{
CheckBox chkBoxAndroid;
CheckBox chkBoxIPhone;
CheckBox chkBoxBlackBerry;

@Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

initialUISetup();

chkBoxAndroid.setOnCheckedChangeListener(new myCheckBoxChnageClicker());
chkBoxBlackBerry.setOnCheckedChangeListener(new myCheckBoxChnageClicker());
chkBoxIPhone.setOnCheckedChangeListener(new myCheckBoxChnageClicker());

}
public void initialUISetup()
{
    chkBoxAndroid = (CheckBox) findViewById(R.id.chkBoxAndroid);
    chkBoxIPhone = (CheckBox) findViewById(R.id.chkBoxIPhone);
    chkBoxBlackBerry = (CheckBox) findViewById(R.id.chkBoxBlackBerry);    
}

class myCheckBoxChnageClicker implements CheckBox.OnCheckedChangeListener
    {

           public void onCheckedChanged(CompoundButton buttonView,boolean isChecked)
           {
                 if(isChecked)
                 {
                      if(buttonView==chkBoxAndroid)
                       {
                           showTextNotification("Android");
                       }
           
                       if(buttonView==chkBoxIPhone)
                       {
                           showTextNotification("iPhone");
                       }
           
                       if(buttonView==chkBoxBlackBerry)
                       {
                           showTextNotification("BlackBerry");
                       }
                 }
           } //onCheckedChanged
    } //myCheckBoxChnageClicker

public void showTextNotification(String msgToDisplay)
    {
           Toast.makeText(getApplicationContext(), msgToDisplay, Toast.LENGTH_SHORT).show();
    }
} //CheckBoxTestActivity class


main.xml
--------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <CheckBox
    android:text="Android"
    android:id="@+id/chkBoxAndroid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true">
</CheckBox>

<CheckBox
android:text="iPhone"
android:id="@+id/chkBoxIPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>

<CheckBox
android:text="BlackBerry"
android:id="@+id/chkBoxBlackBerry"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</CheckBox>
</LinearLayout>

customized list

http://pastebin.com/UhP3RcpQ

download: http://www.mediafire.com/?9d7uly1yysz1fi2

Main.java
----------------------

package home.customList;

import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class Main extends ListActivity{
    String[] countries;
    int c=0;
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
        countries = getResources().getStringArray(R.array.countries_array);
     
        //Toast.makeText(this,"Main class",Toast.LENGTH_LONG).show();
        Log.d("------------main class-----------", "start");
        setListAdapter(new MyAdapter(this,android.R.layout.simple_list_item_1,R.id.textView1,countries));

        //Toast.makeText(this,"end of Main class",Toast.LENGTH_LONG).show();
        Log.d("------------main class-----------", "end");
     
        ListView listView = getListView();//getListView() from ListActivity //public class ListView
     
        //listView.setTextFilterEnabled(true);

     
     
    }
 
    private class MyAdapter extends ArrayAdapter<String>
    {
     

        public MyAdapter(Context context, int resource, int textViewResourceId,String[] strings)
        {
         
            //Toast.makeText(Main.this,"getView() row="+c,Toast.LENGTH_LONG).show();
            super(context, resource, textViewResourceId, strings);
        }
     
        @Override
        public View getView(int position, View convertView, ViewGroup parent)
        {
         
            c++;
            //Toast.makeText(Main.this,"getView() c="+c,Toast.LENGTH_LONG).show();
            Log.d("------------getView()-----------c="+c, "c="+c);
            LayoutInflater inflater=(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
         
            View row=inflater.inflate(R.layout.list_item,parent,false);
         
            String[] items=getResources().getStringArray(R.array.countries_array);
         
            ImageView iv=(ImageView) row.findViewById(R.id.imageView1);
            TextView tv=(TextView) row.findViewById(R.id.textView1);
            EditText et=(EditText)row.findViewById(R.id.editText1);
            CheckBox cb=(CheckBox)row.findViewById(R.id.checkBox1);
         
            tv.setText(items[position]);
            et.setText("my button");
            cb.setClickable(true);
         
            if(items[position].equals("bangladesh"))
            {
                iv.setImageResource(R.drawable.bangladesh);
            }
            else if(items[position].equals("england"))
            {
                iv.setImageResource(R.drawable.england);
            }
            else if(items[position].equals("usa"))
            {
                iv.setImageResource(R.drawable.usa);
            }
            else if(items[position].equals("russia"))
            {
                iv.setImageResource(R.drawable.russia);
            }
            else
            {
                iv.setImageResource(R.drawable.ic_launcher);
            }
         
           tv.setOnClickListener(new OnClickListener() {
             
                public void onClick(View v)
                {
                    Toast.makeText(getApplicationContext(),((TextView)v).getText(), Toast.LENGTH_SHORT).show();
                }
            });
         
         
            Log.d("------------row=-----------"+row, "row="+row);
         
            return row;
        }
     
    }
}


main.xml
----------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
    </ListView>

</LinearLayout>


list_item.xml
--------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="25dp"
        android:layout_height="25dp"
        android:maxHeight="25dp"
        android:maxWidth="25dp"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView"
        android:textSize="25sp" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="0.72" >

        <requestFocus />
    </EditText>

    <CheckBox
        android:id="@+id/checkBox1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="CheckBox" />

</LinearLayout>


res/values/country.xml
---------------------------------------------

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="countries_array">
     
        <item name="bangladesh">bangladesh</item>
        <item name="usa">usa</item>
        <item name="russia">russia</item>
        <item name="england">england</item>
     
    </string-array>
</resources>

another simple list

Main.java
-------------------------
package home.customList;

import android.app.ListActivity;

import android.os.Bundle;

import android.widget.ArrayAdapter;

import android.widget.ListView;

public class Main extends ListActivity{

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        String[] countries = getResources().getStringArray(R.array.countries_array);

        setListAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,countries));

        ListView listView = getListView();//getListView() from ListActivity //public class ListView

        

        listView.setTextFilterEnabled(true);

    }

}


main.xml
----------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
    </ListView>

</LinearLayout>

values/country.xml
------------------------------

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="countries_array">
       
        <item name="bangladesh">bangladesh</item>
        <item name="usa">usa</item>
        <item name="russia">russia</item>
        <item name="england">england</item>
       
    </string-array>
</resources>

how can create root account in ubuntu

1.open terminal

2.then type
passwd

3.set password for root account.

4.close terminal

5.logout for changing user account

6.choose other user account

7. type user=root
    password=which set in terminal