how to make simple android app in 9 minute

For making any android apps you should have ADT bundle. you can download form here https://developer.android.com/sdk/index.html . after downloading extract the zip file.

You can watch video also :http://www.youtube.com/watch?v=wjACU_7u7F4

Step 1:
Open eclipse and go to File > new >Android application project . and select the application name for example "simple"and next-next.

Step 2:
add one EditText box and two button on the activity_main.xml . and add onclick on both the button.
(for eg. "hi" on one button and "reset" on other button )

Step 3:
Declare the EditText in MainActivity.java  and also make onclick function.

EditText e1;
e1=(EditText) findViewById(R.id.editText1);

public void hi(View v)
{
e1.setText("hiii....");
}

public void reset(View v)
{
e1.setText("");
}

Step 4:
Run MainActivity.java file.your apps is ready.

More apps code here : http://editandroidcode.blogspot.com , http://androidmain.blogspot.com/

How to download youtube video without using any software

It is very easy tricks to download youtube video without using any software.

Step 1:
Go to youtube URL which you want to download.(for example i want to download this video http://www.youtube.com/watch?v=S07w4JjtD5U  )

Step 2:
Enter the "ss" before the youtube.com and hit the Enter key.(your url will look like http://www.ssyoutube.com/watch?v=S07w4JjtD5U  )

Step 3:
Select the video format and download the video.

download will start automatically once you selected the video format.

Watch Demo :http://www.youtube.com/watch?v=8Pk3qk1zCHw

Recover deleted file from pendrive,memory card,hard disk

In many case some of the important file is deleted from the usb, memory card, hard disk. you can recover that file using software( Recuva ) .This software is very easy to use and recover the most of the file.

watch video : https://www.youtube.com/watch?v=MJLSzZFzk7U step 1 :
Download recuva software and install in your computer.

step 2:
Select the file type which you want to recover.

step 3:
Select the path form where you want to recover the file.

step 4:
Checks the enable deep scan.

step 5:
Start the scanning. after scanning you have to choose where you have to save the recovered file. Done!!!

There are many software are available for recovering the files.