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I need to know, can't I develop Android application with only Java, without using C++. If we are going to start a carrer as Android developer, do I need to learn both C++ and Java. When develop industry application is Java enough?
Yes, you can develop Android apps with only Java, Java is enough. You're going to have to learn one thing at a time anyway... so you might as well learn Java first. If you find yourself thinking to yourself, "I'm going to need direct access to the underlying hardware and create my own 3D gaming engine... because this high level code isn't cutting it," then you can start learning C++.
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I am new to android and I have covered the basics in java for backend and xml for frontend. What I would like to know is: is it possible to develop an android application completely using react and node? Also, how would it be implemented? If there are some tutorials available for this that anyone could recommend, that would be helpful. I want to know if android backend can be built in any language other than java, c/cpp.
If you read https://facebook.github.io/react-native/ you will know a bit more of how it works, but to build a native app, you need to use a framework that generates native code, or write in a language that the device can compile, like the ones you sad before. React Native generates native code.
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I am interested in learning about Game development for the Android Platform but one question which has always been on my mind is what programming languages are some of the more popular games written in like Angry Birds, clash of clans and boom beach etc.?
What I really want to know is has the Java I been using to create standard Android Applications be used for games?
you can write in C++, Java, Action Script and many more.
I want to be a game developer... now what? is a good document you can read. I also included some popular library reference for you. Hope that this will help you.
The most popular engine for game development (for android particulary) is Unity3D. It is commercial and qualitative. There are some frameworks (Cocos2D(opensource), unreal engine (commercial and most popular in the past engine on C++), but I (strongly) recommend you to use Unity3D - it has a big community and low skill requirements for install-and-code.
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After having created a bunch of utility apps and having familiarity with Java, I am curious about going into simple game development. I found out the there are game development frameworks available but I was wondering if that is the "correct" method of doing it even though Java is easy to me.
If you like Java, you'll like C#, as it is very similar to Java/C++. As such, you should probably look into Unity 3D. It's a pretty good game engine with which you can use C#, Javascript, or Boo to create nice little 2D or 3D games. It is multiplatform, so you can create games for Android, iOS, Windows Phone, or a bunch of other things.
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I have written an RTMPS client a while back and needed it for my Django application but since Java and Python don't play well without using system calls (I don't want to use Jython) I wanted to rewrite the application in Python.
Would it work if I ported it as if to Python from Java? Of course we have to take into account the obvious things like multiple constructors have to be done differently in Python. Are there any other things that would not make it work in Python?
I am doing this because Java is so memory heavy and hoping that moving in into Python would reduce memory footprint and thus allow my web app to use it.
I would suggest rewriting it completely but there are a lot of differences to take into account. Here's a starter for recognizing some of the common differences/mistakes: http://dirtsimple.org/2004/12/python-is-not-java.html
Also if you are too lazy to rewrite the code (like me) there is an other option: java2python
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How long would it take to learn making an app with Android? Not a crap app but something useful etc.
I know Java up to databases and making a GUI and splash screens etc.
But I have never made games or animations in Java.
Then I learned JavaScript and canvas and have made games and applications.
Based on this how long would it take as I would be willing to learn it as we will be thought apps in college next semester and would I know enough Java?
Learning Android development basics would not take too long if you have a good grasp of OOP concepts in Java. The official resources provided by Official Android Documentation is good enough for you to walk through and start developing.
After all, learning on how to program is all about understanding the concept, not memorizing every existing syntax.