business processes Framework (Xamarin or ReactJS) - android

maybe someone can help me. In near future i'm going to develop a business processes application like this :
https://play.google.com/store/apps/details?id=de.semture.cubetto
https://play.google.com/store/apps/details?id=com.showgen.processcraft
Now i would like to know if there are some already existing Frameworks or projects for that. I just want play arount with that subject to get a feeling how it works and what i have to do. I'm planing to make it available for Android (highest priority) and Web (Ios and windows arent so important right now).
So my first question is. Are there any Frameworks, libs, project availbe for something like that?
I've already searched for some frameworks but without no success...
And the other question would be what Tool or language should i use ?
Currently i'm working with Visual Studios 2015 Xamarin (xml & C# based language). We all know that i can make crossplattform apps with xamarin. But some minutes ago i've heard that there is a language/Framework named React.JS, that is also for android ios and web apps.
Now my second question:
which one should i work with ? Xamarin or React.Js ? Which one would better fit to my project and what are the main differences ?
I hope someone could answer that :)
Thanks in advance

This really comes down to personal preference and what you are trying to accomplish. If you are a C# developer, then Xamarin might be your best bet for android. With using ReactNative, it will be a little easier to create your web app from since it uses React. If you are trying to have a native feel for the android app, you will still have to know some core android development for both platforms. If you aren't super worried about the look, feel, and performance of it being native, then you can look into ionic which is built on top of Angular, and this you can use as a web application as well as build it for android.

Related

How to open my Android native application with Xamarin.forms?

I've been developing an Android application with Android Studio and now I need to be able to open it with Xamarin.forms in Visual Studio (it's a task that my teacher gave me, and it's because a classmate has been creating the iOS version and now we will combine them into one project).
I have to say that I'm pretty much a noob and been looking a few tutorials that talk about Dependency Service and other stuff, but don't seem to quite cover what I'm looking for (or, at least, not clearly enough).
If you have a precise video that explains simply how to do this, I would be grateful if you share it with me.
I thank you for your time and wish you a great day :)
It is impossible at even now in current version of Visual Srudio .
Every file in Xamain is different with Native Android . The Java code can not be directly copyed to use in Xamarin , you should translate them to C#.
Having a look at this document: Porting Java to C# for Xamarin.Android .
There are two ways to port Java code to C#. The first way is to port the code manually. ..The second porting methodology is to try and automate the process by using a code converter...There is often a non-trivial amount of work involved with bootstrapping an automated code conversion tool, and this may prove to be a barrier to use. In many cases, it may be simpler and easier to port Java to C# by hand.

Can i build an application with basics of a programing & codes researching?

Can I build an application with basics of a programming & codes researching ?
my question is that can I build an app with the basics of a programming language like Python and researching on internet on codes that I will need to use on my application.
Thank's.
Yes, you can do. You've to just brush up life cycle of app in iOS & Android e.g. view and activity. All languages are same in semantics except syntax.
Yes its possible. Using basics try with small applications.
After that you can implement advance concepts on these applications with some research and practice.
You can use another programming language like python and many more to build up android and IOS application but you can't build up and default functionality as you can built up and developed by using native programming languages.
I would like suggest that if your are targeting android then you should go for android and if you are targeting IOS then you should go for swift instead of choosing another language.
The reason behind this is that if you spend lots of time to implement something by using another programming language like python ,there is no guarantee whether you will success or not.
if you are choosing native programming language to implement anything it would be easy to implement anything.
Yes it is very possible.
Anyone who understands code can write code Programming languages doesn't matter. Most of us does the same, we know little about our environment and try to come up with a solution but if we are stuck we all search over internet to find the solution. If we can do it so can you.
Just start off by writing some code for your first App and gradually you'll improve with a good pace.
Hope this help, keep coding keep learning!!
Yes, it is possible however researching for codes alone might not be enough to gain a deep understanding about creating apps. It is better if you choose first which mobile platform do you want to pursue (iOS or Android) then start researching about the basics like using its IDE and the app lifecycle. Then create simple mobile apps until you get used to it.
P.S. This is also based from my experience because I also had a hard time learning how to create apps before.

Application android Hybrid

I have to develop an android application that use geolocation, and I am confused to choose between web framework mobile and native Android application, and if I must to choose a web frawework which one do you recommend to me?
Actually there are many kinds of framework : like JQuery mobile , Phonegap , titanium , Windev for mobilephones
Regarding the firs part of your question, I'd say this depends on a couple of factors:
1.) Previous experience: Do you already possess experience working with HTML/CSS + JQuery or do you possess experience working with Java? If your answer is yes to the first part: go for web framework development. If your answer is yes to the second part (Java): go for native app development, trust me, it's really easy to pick up if you have already worked with Java before and possess basic knowledge about inheritance and working with packages etc., also, start with the tutorials on developer.android.com If your answer is no to both parts of that question then I'd suggest you go with native app development since picking up Java is relatively easier compared to HTML/CSS+Javascript, in my opinion. If your answer is yes to both parts of the question (i.e you've worked with both Java and HTML/CSS+JS) then look at point 2.
2.) Personal Preference: Clearly, you don't have one right now so just go with what feels easier.
3.) For a geolocation app I'd say native app development is easier, I've been working on a geolocation based app for a while now and I felt that using the Google Maps API was pretty easy and you'll also find significant amounts of help from stackoverflow since everyone and their mothers have tried to make a geolocation-based app. I found the answers to most of my problems here on SO.
If you need more suggestions on this matter don't hesitate from asking!

MonoDroid VS Java in android development?

I know C# rather well and just love Visual Studio as IDE. :) Yet now I want to start developing for android...
I found out about MonoDroid and wanted to ask if it has any downsides to it that would make Java more preferable, or should I uninstall Eclipse and dive straight into MonoDroid?
If I understand right, MonoDroid deploys/compiles native android applications and does not need any additional .net-like framework or anything?
Are there any significant limitations to what I can do with MonoDroid? For example, having the app run in the background or using some external .net libraries for image editing, etc. ?
I've been worrying about the same thing - productivity in C# instead of playing with an unfamiliar language, vs developing how the OS developers intended it to be.
Its easy to list pros vs cons -
pros (of monodroid, for C# developers)
familiar dev environment, can develop using Visual Studio
C# instead of Java
Reusable code assets - you can use a lot of code in your iphone project or Windows phone 7 project using monotouch and the WP7 SDK.
cons -
debugging could be difficult, due to lack of api documentation from Google. Will have to depend solely on monodroid documentation.
there could be a lag when it comes to latest cutting edge features - safe to assume that the monodroid team will require some time to wrap around the latest android features every time there is a new OS release
availability of libraries - I am not sure how you can use the open source libraries that would have evolved around the android platform, that could cut down on development time
Much of the documentation available is in Java: so if you run into difficulties with phone behavior when using MonoDroid you won't really find that much help or debugging information so you may want to stick with Eclipse.
There's a lot more than just a set of wrappers running under davlick, truth to be told, there is much more of a horizontal relationship between MonoDroid and Android;
When did using the same language as the OS developers become a big issue? There's lots of C++ programmers wondering how to use BSD or SVR5 and many C programmers who want to know what the heck to do on Windows++...
If you will write in c# anyway you will be have to wrap it into a Java code, so what's the point ? Also you may head with a very difficult issues while trying to understand the APIs who written for Java programming...
Here are some points that you can mull over:
Android applications are predominately written with Java. The Android SDK itself is natively written in Java.
Working in Mono may not provide all the functionality available in the Java SDK.
If you are a C# Developer you wont be able to find, in Java, some of the (cool) features available in C# (like Property Delegates etc).
Code written in .NET can be re-used for other environments - this may save a lot time that would have been spent learning a new language/environment (like Objective C), and coding in it.
.NET extends the Android development stack with it's existing libraries and API's.
I think both are good for certain reason. It will be very hard to say which one is preferable for Android development - in the end that is up to you too decide.
Also note that any release build using monodroid adds an additional 4mb to the apk filesize and increases app startup time with a few seconds.
For simple apps this can mean a 500-800% increase in filesize - whic is pretty bad in my book.

Starting Android Development: Native or cross-platform?

I am an experienced professional programmer who wants to delve into Android programming. I also wish to investigate cross-platform programming using tools like PhoneGap or Titanium.
However, I am a bit in doubt of which learning strategy is best.
One approach is to get a good feeling of the Android environment and later on explore the possibilities of the cross-platform tools.
Another approach is to jump start using say Titanium (which to me looks like the better option of the two mentioned) and then after a while look into the underlying Android building blocks. The reason why this approach seems worth considering is that although I have earned my living on programming for 20 years, I have no experience whatsoever with Java. And the feeling of getting something done has always been encouraging to me.
What do you think? Does option 2 make sense, or would it be more sensible to get an understanding of the Android environment first?
Thanks in advance,
Martin
I think that all depends on what will you develop:
If you want to develop simple interfaces (parsing XML/Json/...) with some forms and nice transitional effects, then Titanium is yours.
However, the most advanced functionalities aim the iOS platform. For example, the augmented reality module or the push notification are not supported for Android.
On the other hand, if you want to develop advanced interfaces (Games for example), then you have no choice: Android SDK is the best way (you can use Flash for Android but it doesn't support very first Android OS versions).
In all cases, you have to understand how the Android platform works.
I had a similar decision to make, although I am not an experienced programmer like you with vast experience , I had no java knowledge and I needed to write an android app for a project in grad school ,and i'd tend to agree with you on which is the better option , although reading the dev guide and grasping the basics will be a must. And like Zakaria says , it also depends on what you plan to develop.
in my case I learnt basic java first , then used the SDK for my project. Its not that big a learning curve actually , I did not find too many problems with the API.

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