ANDROID Online Training

Android - Activities. An activity represents a single screen with a user interface just like window or frame of Java. Android activity is the subclass of ContextThemeWrapper class. The Activity class defines the following call backs i.e. events. Learn Android from certified experts by Learn IT Training see Android training for details. The concept of Activities The activity class serves as the entry point for an app’s interaction with the user, providing the window in which the app draws its UI. This window typically fills the screen, but may be smaller than the screen and float on top of other windows. You implement an activity as a subclass of the Activity class. Generally, one activity implements one screen in an app. For instance, one of an app’s activities may implement the Preferences screen, while another activity implements the Compose Email screen. Most apps contain multiple screens, which means they comprise multiple activities. Typically, one activity in an app...

Android Applications Android applications are usually developed in the Java language (Learn programming from JAVA training from Learn IT Training) using the Android Software Development Kit. Learn Android by experts and create an app of your own from Android training . Once developed, Android applications can be packaged easily and sold out either through a store such as Google Play, SlideME, Opera Mobile Store, Mobango, F-droid and the Amazon Appstore. Android powers hundreds of millions of mobile devices in more than 190 countries around the world. It's the largest installed base of any mobile platform and growing fast. Every day more than 1 million new Android devices are activated worldwide. Application Components Application components are the essential building blocks of an Android application. These components are loosely coupled by the application manifest file AndroidManifest.xml that describes each component of the application and how they interact. ...

Android tutorial or android development tutorial covers basic and advanced concepts of android technology. Our android tutorial is developed for beginners and professionals. Android is a complete set of software for mobile devices such as tablet computers, notebooks, smartphones, electronic book readers, set-top boxes etc. get trained by experts from Android training with live project and implementation. It contains a Linux-based Operating System, middleware and key mobile applications. It can be thought of as a mobile operating system. But it is not limited to mobile only. It is currently used in various devices such as mobiles, tablets, televisions etc. Android Architecture Android operating system is a stack of software components which is roughly divided into five sections and four main layers as shown below in the architecture diagram. Linux kernel At the bottom of the layers is Linux - Linux 3.6 with approximately 115 patches. This pro...

Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies. This tutorial will teach you basic Android programming and will also take you through some advance concepts related to Android application development. This article gives you an overview of setting up an android environment and makes you ready to develop apps using Android training by Learn IT Training. Android Environment Setup You will be glad to know that you can start your Android application development on either of the following operating systems: Microsoft Windows XP or later version. Mac OS X 10.5.8 or later version with Intel chip. Linux including GNU C Library 2.7 or later. (Learn database concepts from LINUX training ) Second point is that all the required tools to develop Android applications are freely available and can be downloaded from the Web. Foll...

Learn IT Training, Android training interview questions have been designed specially to get acquainted with the nature of questions that candidate may encounter during interview. 1.What is adb? Adb is short for Android Debug Bridge. It allows developers the power to execute remote shell commands. Its basic function is to allow and control communication towards and from the emulator port. 2.What is ANR in Android? ANR stands for application is not responding, basically it is a dialog box that appears when the application is not responding. 3.What are the four essential states of an activity? Active – if the activity is at the foreground Paused – if the activity is at the background and still visible Stopped – if the activity is not visible and therefore is hidden or obscured by another activity Destroyed – when the activity process is killed or completed terminated 4.Which elements can occur only once and must be present? Among the different elements, and el...

Learn IT Training, Android training interview questions have been designed specially to get acquainted with the nature of questions that candidate may encounter during interview. 1.What is Android? Android is a stack of software for mobile devices which includes an Operating System, middleware and some key applications. The application executes within its own process and its own instance of Dalvik Virtual Machine. 2.What is Google Android SDK? The Google Android SDK is a toolset that developers need in order to write apps on Android enabled devices. It contains a graphical interface that emulates an Android driven handheld environment, allowing them to test and debug their codes. 3.Describe Android Application Architecture? Android application architecture has the following components. They are as follows: Services: it will perform background functionalities. Intent: It will perform inter connection between activities and the data passing mechanism. Resource exte...

Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touch screen mobile devices such as smart phones and tablets.   Android is an OS created by Google for use on mobile devices, such as smart phones and tablets. It's available on devices made by a variety of manufacturers, giving you more choices of device style and pricing. Also, with the Android OS, you can customize your device in many ways. Learn more about Android from Android training by experts from Learn IT Training. Android was created by Google and the Open Handset Alliance (OHA), a coalition of equipment, programming and information transfer’s organizations. More than 30 organizations were included in the OHA, including Qualcomm, Broadcom, HTC, Intel, Samsung, Motorola, Sprint, Texas Instruments and Japanese remote transporters KDDI and NTT DoCoMo. Android started its life as a Palo Alto-based new business, established in 2003. That organization was in t...