What is Android

-

What is Android?

Android is a software stack for mobile devices that includes an operating system, middleware and key applications. The android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the java programming language.

Comments

Post a Comment

Popular posts from this blog

Activity Life Cycle

-
Image
Activity Life Cycle Activity Life Cycle Android Activity Life Cycle                                            An Activity is usually a single screen that the users sees on the device at a one time. Any application that has been developed by anyone it typically contains multiple activities. *   Most management of the life cycle is done automatically by the system via the activity Stack * Activity manager is responsible for creating , destroying and managing activities. For Example   when the user starts an application for the first time, the activity manager will create its activity and put it into the screen. later, when  the user navigating to different screens . The activity manager will move to the previous activity to a holding place .This way if the user wants to go back to older activity , it can be started more ...
Read more

Most important topics:

-
Most important topics: 1.Java OOPs concepts.( Lesson: Object-Oriented Programming Concepts ) 2.Java Basics.( Lesson: Language Basics ) 3.Java Collections.( Collections in Java - javatpoint ) 4.Java Exceptions. 5.Multi Threading. 6.Class/Object     Where to use /When to use / How to use/How to create     7.Thread Concepts.   1.Where to use /When to use / How to use/How to create   2.Life cycle.   3.Types. 8.Synchoronization    1.Where to use /When to use / How to use/How to create    2.Types.     9.serialization/deserialization 10.Interface   1.Where to use /When to use / How to use/How to create   2.Uses of interface/why we are using. 11.String /String Buffer/String Builder.   1.difference between thease three.   2.Where to use /usage. 12.Static    1.Uses of static keyword. 13.Sorting   1.Bubble sort   2.Quick sort.   3.selection sort.   4.Insertion sort. ...
Read more

Android interview questions with answers

-
Android interview questions with answers Here are some of the Android interview questions and answers to help you if you are planning on attending an interview. What is Android? Ans. Android is an open source operating system that is mainly used on mobile devices like tablets and Smartphones. Its operations are mainly based on the Linux kernel system which comprises of rich elements that enable developers to develop and run apps that are able to carry out both basic and advanced functions. What are intents? Ans. Intents display messages of notification from within the Android enabled device to the user. Intents are used to notify the user when a particular state occurs, and users have the opportunity to respond to the notification. What is ANR? Ans. ANR is the acronym for Application Not Responding. When an application is unresponsive for a long time, the dialogue shows up to let the user know about the situation. What is Orientation? Ans. Orientation di...
Read more