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I am looking to develop a chat application in android. I know core java and android well but I dont know java sockets and servlets. Are java sockets and servlets necessary to develop an android chat application?
Which api should I use to develop a chat application in android? What are the java and android concepts needed to develop an android chat application?
If I am to develop a chat applicatioon using Google cloud messaging in android, is knowledge of java sockets and servlets mandatory?
If your goal is to create an instant chat service, I would personally recommend the Sinch SMS API or Smack. However, if you want to use the Google messaging API, you might want to follow a tutorial such as the one here just to get you familiarized with writing the required server integration code (servlet use is explained so prior knowledge is not necessarily mandatory). Its really a matter of preference and comfort so choose whatever you think you will be able to work with. I hope this helps!
And no knowledge of sockets and servlets is not necessarily mandatory depending on what path you choose. Most api's handle this for you.
EDIT: If you don't like the options I've provided, you could try this however I do believe in your case Sinch would be the best approach.
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I am working an E-commerce buy sale online asp.net mvc website. I am working in a group. we are beginners. we are confused about the fact that how we will be connecting an asp.net mvc app with java based android app? For example how android app will connect to the database which website is using. to be more specific how the same database will be synchronized with both platforms. kindly share the approach(s) to do that wisely. Thanks
Quite simply, there is usually no "direct" conversion or merge between a MVC web site and a mobile app.
Your best bet may be to try to make the MVC site responsive (i.e. Friendly to devices with different screen sizes) so that it can easily be displayed on a phone or tablet. You can then "merge" them that way. (I've never tried it personally, but a Web View may work here). So you'd achieve the "merge" by sometimes showing them your app code and sometimes showing them your mobile site (preferably as seamlessly as possible). Again, I've never tried that personally, but it's worth looking into whether that could work for you.
If you want to convert the code itself, the way you'd go about it is to first separate the server-side business logic from the client-side logic. The client-side logic (screen construction and whatnot) goes in the mobile device and the server-side business logic goes in a Web API RESTful service.
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I am trying to build an application which needs to read mails of user once authorised. As a starter, I want to know, whether gmail allows third party applications to do so, if yes, how to get started on it.
Does Google allow third party access?
Yes. If you're going to be doing interactive programming using mainstream services, learn to use APIs. The Google API collection allows users to register their applications and sites for a huge variety of their services...including Gmail.
Look here for more details.
How can I get started?
Read the documentation and instructions for overall Google-API usage in the link above, and the separate documentation for the service you want to use.
For Gmail, look here.
I agree with the others its fairly well documented, particularly here would be relevant for you if you intend to get started using the Java API:
Google docs
To run this quickstart, you'll need:
Java 1.7 or greater. Gradle 2.3 or greater. Access to the internet and
a web browser. A Google account with Gmail enabled....
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I need to access data from an oscilloscope (Tektronix DO4034B) connected to my LAN. The oscilloscope has a web-GUI to perform the functions.
My doubt is how I develop a software in Java to perform these same functions in my program, accessing the oscilloscope in the network.
Thanks.
If the oscilloscope publishes a Java API, it will be easy. Download the API and use according to directions.
If the oscilloscope publishes a non-Java API, then it's a matter of binding the Java language to the published API.
If the oscilloscope doesn't publish an API, then you have to make a choice.
Figure out how to set up a service on the oscilloscope, which binds to the internal api, and presents what you desire.
Use a Java web client, Apache's HttpClient comes to mind, and have Java drive a program driven headless web browser.
I'd opt for #2 unless there is some overriding reason to make it integrate with a larger environment better.
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I have developed one website and now I want to create an android app for it. App should be in sync with web site automatically. I know there are many online free tools for it. But I want to learn Android programming from basic.
I just don't want to link or view the webpages from Smartphone but I must be able to add some android features.
You may assume I am newbie in an Andriod developing field.
So I want any, good tutorial or book for this. Any suggestion?
For e.g. suraj.com ---> Suraj (android​ app)
Thank you in advance.
If you want to build native app, and communication with your server, follow the step
Learn JAVA and Android SDK
Use Eclipse
Build your server and create web api (like http://localhost/index.php?data=123)
In android application, call web api to send or receive data (GET,POST)
and you can also following this website
Android User Interface Design: Layout Basics
androidhive
Typically new Android apps use the ActionBar UI pattern. If you're looking for something quick, create an Android app with an ActionBar for navigation, and use a WebView to display mobile-compatible pages from your website.
You can use phonegap, if its a simple website, or you can load website through inapp browser into your app. I would recommend to use phonegap though.
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What skills does it take to develop an Android app?
How easy is it to publish one in the app market?
Does it need any previous experience?
This question serves as a personal to-do list on what to learn. I would like to develop an Android app in the near future.
What skills does it take to develop an Android app?
You must have core knowledge of JAVA to start android development and a having good knowledge of xml,layouts designing,Database implementation and SQL Queries.
How easy is it to publish one in the app market?
Check out the Step by Step Explanation of Pusblishing Application on Market and also Developer guide
Does it need any previous experience?
Its not necessary but having a bit knowledge of Android would be more better and Core knowledge of JAVA is enough.
If you would like to develop an Android app in the near future.
I suggest you to start with Getting Started in Android
First thing to build an android app
You should have good skills in java,classes,XMl user interface
You should have good knowledge of database its functions and queries.
One should be hardworking and dedicated for work
These all points are enough to build an app in android