Overview• Introduction to Android• Android Features• Android Applications• Google Play• PCWorld.Com’s Top 10 Android Phones
Introduction• Android is a Linux-based operating system for mobile devices such as smartphones and tablet computers.• Developed by Google in conjunction with the Open Handset Alliance.• Was officially developed by Android Inc., whom Google backed and later purchased in 2005.
• Android has a large community of developers writing applications that extend the functionality of the devices.• Developers write primarily in a customized version of Java, and apps can be downloaded from online stores such as Google Play (formerly Android Market), the app store run by Google, or third-party sites.
• Android became the world’s leading smartphone platform at the end of 2010.• For the first quarter of 2012, Android had a 59% smartphone market share worldwide.• At the half of 2012, there were 400 million devices activated and 1 million activations per day.
Features• Handset Layouts – The platform is adaptable to larger, VGA, 2D graphics library, 3D graphics library based on OpenGL ES 2.0 specifications, and traditional smartphone layouts.• Storage – SQLite, a lightweight relational database, is used for data storage purposes.
• Connectivity – Android supports connectivity technologies including GSM/EDGE, IDEN, CDMA, EV- DO, UMTS, Bluetooth, Wi-Fi, LTE, NFC and WiMAX.• Messaging – SMS and MMS are available forms of messaging, including threaded text messaging and Android Cloud To Device Messaging (C2DM) and now enhanced version of C2DM, Android Google Cloud Messaging (GCM) is also a part of Android Push Messaging service.
• Media Support – Android supports the following audio/video/still mediaformats: WebM, H.263, H.264 (in 3GP or MP4 container), MPEG-4 SP, AMR, AMR-WB (in 3GP container), AAC, HE-AAC (in MP4 or 3GP container), MP3, MIDI, OggVorbis, FLAC, WAV, JPE G, PNG, GIF, BMP, WebP.• Multitasking – Multitasking of applications, with unique handling of memory allocation, is available.
• Additional Hardware Support – Android can use video/still cameras, touchscreens, GPS, accelerometers, gyrosco pes, barometers, magnetometers, dedicated gaming controls, proximity and pressure sensors, thermometers, accelerated 2D bit blits (with hardware orientation, scaling, pixel format conversion) and accelerated 3D graphics.• Bluetooth – Supports A2DP, AVRCP, sending files (OPP), accessing the phone book (PBAP), voice dialing and sending contacts between phones.
• External Storage – Most Android devices include microSD slot and can read microSD cards formatted with FAT32, Ext3 or Ext4 file system. – To allow use of high-capacity storage media such as USB flash drives and USB HDDs, many Android tablets also include USB A receptacle. – Storage formatted with FAT32 is handled by Linux Kernel VFAT driver, while 3rd party solutions are required to handle other popular file systems such as NTFS, HFS Plus and exFAT.
Applications• Applications are usually developed in the Java language using the Android Software Development Kit• Other development tools are available, including a Native Development Kit for applications or extensions in C or C++, Google App Inventor, a visual environment for novice programmers and various cross platform mobile web applications frameworks.
• Applications can be acquired by end- users either through a store such as Google Play or the Amazon Appstore, or by downloading and installing the applications APK file from a third-party site.
Google Play• Google Play is an online software store developed by Google for Android devices.• An application program ("app") called "Play Store" is preinstalled on most Android devices and allows users to browse and download apps published by third-party developers, hosted on Google Play.
“The best Android phone to“The HTC One S is the ultimate date, the Galaxy Nexus dazzlesmultimedia phone, from gaming with its curved display, sleekto music to snapping high quality design, fast performance, and, ofphotos.” course, the Ice Cream Sandwich update.”
“If you can deal with subparbattery life, the HTC Rezound is “The MyTouch 4G Slide has onean excellent phone that wont feel of the best cameras weve everoutdated anytime soon.” tested--and the rest of the phone is pretty amazing as well.”
“The slim and speedy Samsung Epic“The Droid Razr Maxx packs in a Touch 4G is excellent fordual-core processor, large battery gaming, Web browsing andand LTE in a very thin frame.” watching video, but the plasticky design feels a bit on the cheap side.”
“The thin and elegant Motorola Droid “The long-awaited Droid Bionic isRazr is smoking when it comes to blazing fast and has a slew ofdata speeds and performance, but the great entertainment and businessshort battery life is a features, but the high price mightdisappointment.” make it a hard sell.
“Like the rest of the Galaxy S II “Uneven call quality doesntseries, the Galaxy S II on T- stop the Evo 3D from beingMobile is one of the best phonescurrently available, hands down.” the best phone currently available on Sprint.”