how to run multiple AVD/Emulator instances at the same time

November 27, 2010

In order to run multiple emulator instances first press the button as pointed by the picture in eclipse.

Press this button

now you will have the screen like this

after this select the desired device and press the start button like this


Select and Start desired device

now select other device and then press the start button and repeat this procedure for all the desired you want to run






Google intant now on iphone and android

November 7, 2010

Google Instant has now become available on mobile phones currently on iphone and android.

Now Google searchers using the iPhone and/or Android phones will start seeing Google Instant show up on their devices by now.According to Google it’s a beta release, meaning Google doesn’t want you to get mad at them if it doesn’t work exactly right, and unlike the desktop version, you have to turn it on in order to see results as you type. It only works at in your mobile browser, but not in any of the other search boxes.

This is theoretically a good step to mobile searches, because typing on a mobile device is far more annoying than typing on a full-size keyboard as mobile’s keypad size is small. The keypad on several touch-screen mobile phones takes up nearly half the screen on its own, and the drop-down box that produces suggested Google Instant results further reduces the page available for the search results page itself.You’ll need to be running iOS 4.0 or Android 2.2 in order for this to work, Google said.


Google introduces 8pen app for Android 2.2 makes typing faster and easier

November 5, 2010

Nowadays keyboards are used as a main source for giving input data as it is easy and fastest method, but with small screens on smartphones, using the on screen keyboard can be difficult, to overcome this difficulty google launched it’s new application named 8pen that made typing faste
r and easier than before.

8pen is an Android OS application that replaced the standard on screen keyboard, and instead of a QWERTY, there is one dot  that responds to the user’s finger movement. It’s quite simple, since all the letters are divided into four sectors and all that you have to do is to place your finger on the middle of the screen, move your finger into a certain sector and rotate your finger around the black dot in order to toggle between available letters inside that sector. This app works great and taking good market share , and has surely made typing a lot faster and easier  with a lot less errors.


8penapp view

What is Google Goggles

November 4, 2010

Google has launched it’s new application named “Google Goggles” which enables a user to search by giving an image input , instead of giving search keyword,  that means if  anybody wants to get any data about  anything or anyplace he/she just have to take a picture using android powered device and use the taken picture for searching Google Goggle after analyzing the picture will show all data related to provided picture  just like keyword search.

Send an SMS to the Android Emulator

November 4, 2010

Sending SMS is usefull feature of mobile devices many people have been using this feature to communicate,now how to send an SMS message to an emulator running on your machine, to do so  follow these given below steps:

1. In DDMS, choose the emulator you want a send an SMS to.

2. On the Emulator Control tab, input the Incoming phone number (for example,2365478) in the Telephony Actions section.

3. Select the SMS radio button.

4. Type an SMS message that you want to send.

5. Click the Send button. Now in the emulator,  you  should see an incoming SMS notification.

How to Launch Android Applications on a real Handset

November 3, 2010

Now  you want to load your application onto a real handset,to do this, you need to plug in a handset into your computer, using the USB data cable.

Now follow these steps to correctly launch your application in real handset:

1. In Eclipse, choose Run, Debug Configurations.

2. Double-click DroidDebug Debug Configuration.

3. On the Target tab, set Deployment Target Selection Mode to Manual. You can always change it back to Automatic later, but choosing Manual will force you to choose whether to debug within the emulator (and choose an AVD) or a device, if one is plugged in, whenever you choose to debug.

4. Apply your changes by clicking the Apply button.

5. Click the Debug button within Eclipse.A dialog appears, showing all available configurations for running and debugging your application. All physical devices are listed, as are existing emulators that are running. You can also launch new emulator instances by using other AVDs you have created.

6.Double-click one of the running Android devices. There should be one listed for each handset plugged into the machine, in addition to one for each emulator instance running. If you do not see the handset listed, check your cables and make sure you installed the appropriate drivers.


This picture will help you ,basically this is Eclipse dialog for choosing an application deployment target.

How to create Debug and Run Configurations for Android Project in Eclipse

November 2, 2010

To create the debug and run configuration follow the given below steps:

1. In Eclipse, choose Run, Debug Configurations.

2. Double-click the Android Application item to create a new entry.

3. Choose that new entry, called New_configuration.

4. Change the name of the entry to DroidDebug.

5. Choose the Droid1 project by clicking the Browse button.

6. On the Target tab, check the box next to the AVD you created.

7. Apply your changes by clicking the Apply button.

Now you are done

Managing Android Virtual Devices

November 1, 2010

To run an application in the Android emulator, you must configure an Android Virtual Device (AVD). The AVD profile describes the type of device you want the emulator to simulate, including which Android platform to support. You can specify different screen sizes and orientations, and you can specify whether the emulator has an SD card and, if so, its capacity.


Given Below are the steps for creating a basic AVD:

1. Launch the Android SDK and AVD Manager from within Eclipse by clicking on the little green Android icon on the toolbar. You can also launch the manager by selecting Window, Android SDK and AVD Manager in Eclipse.

2. Click the Virtual Devices menu item on the left menu. The configured AVDs will be displayed as a list.

3. Click the New button to create a new AVD.

4. Choose a name for the AVD

5. Choose a build target. For example, to support Android 2.1, choose the item build target called Android 2.1 – API Level 7 from the drop-down.

6. Choose an SD card capacity, in either kibibytes or mibibytes

(The minimum is 9MiB, but keep in mind that the full size of the SD card is stored on your machine.)

7. Choose a skin. This option controls the different visual looks of the emulator.In this case, go with the default HVGA screen, which will display in portrait mode.

Your project settings should look as shown in Figure below

8. Click the Create AVD button and wait for the operation to complete.

9. Click Finish.


Now you are done with the managing android virtual devices


How to Run and Debug Android Applications

November 1, 2010


To build and debug an Android application, you must first configure your project for debugging. The ADT plug-in facilitates the user to do this entirely within the Eclipse development environment. Specifically, you need to do the following three tasks:

  1. Configure an Android Virtual Device (AVD) for the emulator
  2. Create a debug configuration for your project
  3. Build the Android project and launch the debug configuration


When you have completed each of these tasks, Eclipse will attach its debugger to the Android emulator (or handset), and you are free to debug the application as needed.



October 30, 2010

what is holography and hologram?

“We call the process as holography while the plate or film that is
build in consequence of this process is called hologram.”

Holography is one of promising technique for recording & displaying  3D objects.It enables to view 3d photos in virtual reality, play 3d games, and watch 3d TV as if we are actually present in that environment.

Holography is true 3d display technology. This technology is more
popular and effective as it provide all four eye mechanism,

(1) Binocular Disparity: Is the difference between two retinal images and tells brain about depth. This difference is greater when object near to eye. E.g. hold your arm straight in front of face and focus on tip of finger, to see disparity in two images you see, look at your finger first from one eye and then from second eye, surely  you will feel difference. Repeat the same process but see arm from distance, and compare all four views u see.

(2) Motion Parallax: provide cues to difference in the distance of
various objects.E.g. you are driving car, notice objects which are nearer to u whiz by those objects that are at distance which move slowly.

(3)Accommodation: Is the process where we maintain our focus on object as it changes distance.

(4)Convergence:It is simultaneous inward movement of both eyes toward each other, usually to maintain single binocular vision (seeing an object with both eyes). E.g. Try to focus on the end of nose; you will feel strain during when u focus it, while during slow shift your muscles will feel relax.

Unlike other 3-D “pictures”, holograms provide what is called
“parallax”. Parallax allows the viewer to move back and forth, up and down, and see different perspectives, as if the object were actually there.

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