Android Apps Training institute in vasundhara

                          
Android is a software stack for mobile devices that includes the operating system, middleware and key applications. Android SDK provides the tools and APIs needed to start developing applications on the Android platform using the Java programming language.
Android products are used by over 12 million people in more than 120 countries. The training ensures IT professionals, business users and decision makers have the knowledge they need to drive an easy and enterprise effectively. Established in 1999, Webtrackker India is the Android Apps Authorized Training Center in vasundhara
FEATURES
An application framework that allows you to reuse and replace components
Virtual machine Dalvik, optimized for mobile devices
Built-in browser based on the open source WebKit mechanism
Optimized graphics, based on the user's 2D graphics library; 3D-graphics based on the OpenGL ES 1.0 specification (additional hardware acceleration)
SQLite for storing structured data
Multimedia support for common audio, video and still image formats (MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, and GIF)
GSM-telephony (depends on equipment)
Bluetooth, EDGE, 3G and Wi-Fi (depending on the equipment)
Camera, GPS, compass and accelerometer (depends on equipment)
A rich development environment, including device emulator, tools for debugging, memory and performance profiling, as well as a plug-in for the Eclipse IDE
Android architecture
Following the diagram shows the main components of the Android operating system.
Android-Architecture.png









Applications
Android will ship with a set of core applications, including mail client, SMS program, calendar, maps, browser, contacts and others. All applications are written using the Java programming language.
Application framework
The Android application providing an open development platform, Android offers developers the ability to create extremely rich and innovative applications. Developers can freely use the device's hardware, access location information, run background services, set alarms, add notifications to the status bar, and much, much more.
Developers have full access to the same APIs that are used by the main applications. The application architecture is designed to simplify the reuse of components; any application can publish its capabilities, and any other application can then use these features (given the security constraints provided by the framework). The same mechanism allows you to replace components with the user.
At the heart of all applications is a set of services and systems, including:
  • A rich and extensible set of views that you can use to create an application, including lists, grids, text boxes, buttons, and even an embedded web browser
  • Content providers that enable applications to access data from other applications (for example, "Contacts") or provide their own data
  • A resource manager that provides access to resources without code, such as localized strings, graphics, and layout files
  • Notification Manager, which allows all applications to display custom alerts in the status bar
  • The Operations Manager, which manages the application lifecycle and provides a common navigation stack
Libraries
Android includes a set of C / C ++ libraries used by various components of the Android system. These features are available to developers through the Android application platform. The following are some of the major libraries:
The System C library is a BSD -standard C system library (libc) that is configured for embedded Linux-based devices
Media libraries - based on Open CORE Packet Video; libraries support the playback and recording of many popular audio and video formats, as well as static image files, including MPEG4, H.264, MP3, AAC, AMR, JPG and PNG
Surface Manager – in surface manager controls access to the display subsystem and seamlessly composes 2D and 3D graphics layers from multiple applications
LibWebCore - is a modern web browser engine that supports the Android browser and embedded web browsing
SGL - basic 2D-graphics engine
The 3D libraries –in the way implementation based on the OpenGL ES 1.0 API; libraries use either hardware 3D acceleration (if available) or an included, highly optimized 3D software rasterizer
Free Type - raster images and vector fonts rendering
SQLite -is a powerful and lightweight relational database engine that is available for all applications
Android Runtime
Android includes a set of basic libraries that provide most of the functions available in the core libraries of the Java programming language.
Every application for Android runs in its own process with its own instance of the Dalvik virtual machine. Dalvik was written so that the device can effectively run several virtual machines. Dalvik VM executes files in the format Dalvik Executable (.dex), which is optimized for the minimum amount of memory. The VM is register-based and runs classes compiled by the Java compiler, which have been converted to .dex format with the included "dx" tool.
The Linux kernel
Android uses Linux version 2.6 for basic system services, such as security, memory management, process management, and network stack and driver model. The kernel also acts as an abstraction layer between the hardware and the rest of the software stack.
If you are looking for the Best Android Apps Training in vasundhara  then you can contact to Webtrackker Technology. Because webtrackker is providing the real time working trainer of all sap modules for their all students.





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Location: Vasundhara, Ghaziabad, Uttar Pradesh, India

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