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I have a old LG MG280 cellphone that I'd like to code some simple things for. It has Java support, but I know that it is not simply making a Java ME application. It has to follow some specific specs otherwise the app will not run. Does anyone know what those specs are?
JavaME platforms are made up of a profile and a configuration. Most mobile phones use some combination of the Mobile Information Device Profile (MIDP) and the Connected Limited Device Configuration (CLDC).
The LG MG280 you are interested in uses MIDP-2.0 and CLDC-1.1, which is pretty standard.
To get started with development you'll probably want to be using the Sun Java Wireless Toolkit (frequently abbreviated to SJWT or WTK). Or, if you are a windows user, you can use the (newer) JavaME SDK 3.0. This gives you tools needed to compile/package applications and an emulator which lets you run/debug application on a desktop computer.
There are numerous tutorials available online. Here's a few to get you started:
http://today.java.net/pub/a/today/2005/02/09/j2me1.html
http://developers.sun.com/mobility/midp/articles/wtoolkit/
http://developers.sun.com/mobility/learn/
http://www.developer.com/java/j2me/article.php/1561591
Find out which J2ME profile it has - MIDP etc. Then find an appropriate tutorial, such as this one.
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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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UPDATE: Todays time android automatic suggest and check marked the required packages.
I am so much confuse about installing Android SDK packages. What packages should I install from this long list. I am beginner student and it not make any sense to me what things does what.
I need a minimalistic setup for very basic or beginner level app development.
what the best installation for eclipse (minimum packages).
Give me best idea for this install packages.
If you are planning to develop for API 15 and above, then just download API 15-23 to get the minimum download as well as maximum tools. API 15 is what I use as it takes up 90+% of the Android market, and is a good choice.
I would recommend you download all the Extras, especially the HAXM if you are planning to use the Android emulator to develop instead of testing your app on a real device.
For the Tools/Build-Tools/Platform-Tools, I suggest only downloading the latest version, and if you are planning to save space, delete it and download the next latest version which can be seen in the Rev. column. As a beginner, I recommend you don't try out the Tools(Preview Channel) as they can still contain glitches or are unstable as they are still in alpha.
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Can I build Android apps using C# in visual studio ?
If there is a way of doing that, what is the better using java or C# ?
In my opinion i always have to fight with myself and about the languages. C# and java are two totally different languages with similar syntax. The question you should really be asking is "what do i want to do". then debate over the language. I would say stick to java for android applications. However if you want to use c#. You cannot use Visual studios for this. However there is an alternative to visual studios and its Xamarin. I haven't personally used it though i know people who have and its very good.
But yes, Figure out what you want to do and which language would be best doing that.
Yes and no. You can use Cordova/PhoneGap with Visual Studio to build apps.
Cordova for VS
This does not use C# (apart from your back end services, which can be anything really). I use this with Angular.js and [ngcordova] to build apps and it works nicely.
You can have a "more C#" experience using Xamarin, there is a simple free version but a really rich experience requires a license purchase. Explore it further at Xamarin
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I have a dll C# Libraries and want to use it through my android app, I managed to run it through java but it didn't work through android, the way I used and the Exception raised is described here, but I found through searching that this way won't work with android, also I found a lot of questions about that issue but didn't got any suitable answer (e.g here, here, ...etc), So, I just want a clear answer, can I or can't? and if I can using any work around, How ?
Dynamic-link library (also written unhyphenated), or DLL, is Microsoft's implementation of the shared library concept in the Microsoft Windows
Android is a mobile operating system (OS) based on the Linux kernel and currently developed by Google.
So no, you cant. Teoretically in some kind of VM, still - no.
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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