Techno World

    Assigning an icon to your Android application just takes a minute.  Actually creating the icon may take a bit longer. Create a 48×48 PNG and drop it into /res/drawable.  The name of this file is usually “icon.png”. Open your AndroidManifest.xml. Right under the root “manifest” node of the XML, you should see the “application” node.  Add this attribute to “application”. (The “icon” in “@drawable/icon” refers to the file name of the icon.) android:icon="@drawable/icon" Your app is now iconned. To support multiple resolutions, you can create icons of different resolutions and place them in the correct folders. Low density res/drawable-ldpi 36×36 resolution Medium density res/drawable-mdpi 48×48 resolution High density res/drawable-hdpi 72×72 resolution Extra high density res/drawable-xhdpi 96×96 resolution ldpi  (120 dpi) (Low density screen) mdpi  (160 dpi) (Medium density scree...

This example explains how we can create transition effect to animate our photo gallery or screen. http://www.edumobile.org/android/android-development/transitionanimationexample/

Android Developers Blog: Making Android Games that Play Nice

Android Developers Blog: Say Goodbye to the Menu Button

Internet surfers using PCS and laptops are turning to Google’s chrome browser quickly, according to recent statistics by StatCounter and Net Market Share. StatCounter, published data that put Chrome as the world’s third most used browser in December 2011, after a growth spurt of around 12 percent from the same time in 2010. StatCounter ranked IE first, with 39 percent, and Firefox was the second most preferred browser, used by 25 percent of the people who came online. Safari and Opera followed at 6 and 2 percent respectively. Interestingly, all the browsers on the list except Chrome have seen a steady decline from December 2010.  Although statistics from Net Market Share state vastly different figures, they point in the same direction for all browsers. IE ranks first with 52 percent in December 2011 down from 59 percent in February of the same year, Firefox ranks second with 22 percent after a slide from 23 percent, and Chrome is at 19 percent while it was at 11 perce...

               The  version history of the Android operating system  began with the release of the Android 1.0  beta  in November 2007.  Android is a  mobile operating system developed by  Google  and the  Open Handset Alliance , and has seen a number of  updates  to its base operating system since its original release. These updates typically fix  bugs  and add new features. Since April 2009, each Android version has been developed under a codename  based on a  dessert  item. These versions have released in alphabetical order: Cupcake ,  Donut ,  Eclair ,  Froyo ,  Gingerbread , Honeycomb  and  Ice Cream Sandwich . The pre-release versions of Android were dubbed Astro and Bender, but these names could not ultimately be used for  trademark  reasons. C,D,E,F,G,H,I :-    Cupcake ,  Donut ,  Eclair ...

Mobile phones  said to be the means of communication have spread their wings all over the world. As the National Transportation Safety Board wants a nationwide ban on drivers using a cell phone while a vehicle is in motion. The organization says that it’s a major cause of vehicular death, and could be one of the key ways in which people can improve their safety while travelling. Drive While Talking:   Driving and talking on a cell phone is dangerous. As numerous studies have shown speaking on the cell phone while driving can be as dangerous as drink and drive. Quite often, people who talk on the phone while driving will find that they sometimes forget where they are and what they are doing. It’s a serious issue, and it should not be taken lightly. Losing a Smartphone Without Password Protection:   Smartphone owners leave or loose their devices in a public place unknowingly without password-protection on them. Therefore, anyone can walk over the handset, acc...