How To Hide File Behind Image ?

In order to do this you should have basic
understanding of command line, but if you don't
know check out tutorial given below.

 1. Select an image to be used for hiding file behind
the image.

2. Now select a file to hide behind the image and
make it in .RAR format. With the help of the
WinRAR.

3. And most important is that paste both the files on desktop. You may do this anywhere instead of
desktop if you have some basic understanding of
command line.

4. Now open cmd by going to Start > Accessories >
Command Prompt and type following commands in
it. cd desktop
hide files behind images 

5. CD stands for change directory by typing above
command you change your directory to desktop.
After that type command given below.
Copy /b imagename.jpg + filename.rar
finalimage.jpg
hide files behind images Replace imagename.jpg with the name of image
you want your file to be hidden behind. Don't
forget to add image format (Eg: .jpg,.png,.gif)
Replace filename with name of your file you want
to hide. It must be in .rar format.
Finally Replace finalimage.jpg with whatever name you want your final image with hidden files should
be. This is the image where your file will be
hidden.

6. Now when you will try to open this newly
created image it will open as normal image, but to
open you hidden file you need follow steps given below.
How To Access Hidden File ? To access your hidden file you need to open the
newly created image in winrar. Just follow simple
steps given below to do that. 

1. Open winrar
2. Now locate your image and open it or simply
drag your image in winrar.
3. Extract the file and done.

Installing Android SDK on Windows: Complete Steps

To begin with android apps development, you need to install the SDK and some other required components. Following are the steps one may follow to have the Android SDK installed in his/her system, although it is always advised that you should follow the instruction as per developer.android.com. If this not works for you then for any support and help you can mail me on kartikchaudhari456@gmail.com

1. Download and install JDK if not installed already. [Download link] 
2. Download and install Android SDK. [Download link]
3. A pop-up will come out just after you finished installing the SDK, which is the SDK manager. If no pop-up window comes then you can manually open it from ‘All Program’.
4. Download all or, required versions and components by checking them. For example, you can only check Android 2.2 and install it.
5. Download & install eclipse. [Download link]
   n.b. :this is for 32 bit OS
6. To Download and install ADT plugin for Eclipse -
   ->Start Eclipse, then select Help > Install New Software….
   ->Click Add, in the top-right corner.
   ->In the Add Repository dialog that appears, enter “ADT Plugin” for the Name and the following URL for the Location.
      

   1	https://dl-ssl.google.com/android/eclipse/

   ->Click OK
   ->Note: If you have trouble acquiring the plugin, try using “http” in the Location URL, instead of “https” (https is preferred for security reasons).
   ->In the Available Software dialog, select the checkbox next to Developer Tools and click Next.
   ->In the next window, you’ll see a list of the tools to be downloaded. Click Next.
   ->Read and accept the license agreements, then click Finish.
   ->Note: If you get a security warning saying that the authenticity or validity of the software can’t be established, click OK.
   ->When the installation completes, restart Eclipse.
7. Configuring Android SDK:
   ->After you’ve successfully downloaded the ADT as described above, the next step is to modify your ADT preferences in Eclipse to point to the Android SDK directory:Select Window > Preferences… to open the Preferences panel (Mac OS X: Eclipse > Preferences).
   Select Android from the left panel.
   ->You may see a dialog asking whether you want to send usage statistics to Google. If so, make your choice and click Proceed. You cannot continue with this procedure until you click Proceed.
   ->For the SDK Location in the main panel, click Browse… and locate your downloaded SDK directory.
   ->Click Apply, then OK.
   ->Done! If you haven’t encountered any problems, then the installation is complete