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Is there any useful and easy-to-use kotlin ORM for SQL? Like ORMLite. I'm making an app for android and i need to keep data classes there.
Honestly, I'm rewriting an android lasertag configurator from java to kotlin.
Just use Room persistance library.
It's part of Android Jetpack Architecture Components.
It is well designed, versatile, easy to use and stay behind an interface in your code so you do not create a strong dependency.
It is also integrated with RxJava (if you wish to use it with it) and Kotlin Coroutines. Works well with both Kotlin and Java. Have a small integration with Android Studio too, highlighting the SQL you write in your annotations.
Follow the link above, it contains links to example projects, codelabs and more.
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As a beginner it is very hard to understand what are these things
Is there any resource which can give a grasp knowledge of things in easy language?
In simple words:
For a long time Google didn't give any indication to developers on how they should write (architecture wise) their apps. But last year they've released a set of libraries that guide developers on how to structure their code by structuring the app in clear layers and reinforcing good practices. That's what they call architecture components.
LifeCycle, LiveData, ViewModel and Room are the main classes in these libraries. They go well with a MVVM architecture and if you apply them correctly (according to Google) your app will be easy to maintain and test.
As for resources, you can check the Google I/O release talk and the documentation. You can also find many online tutorials to get you started.
If you know nothing of android development it will be hard to understand the use of these components so I would advise you to study more about the SDK and then go back to these components. Note as well that you need to know about Reactive Extensions for android and java/kotlin too because these libraries rely a lot on them.
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as I've already noticed: more and more developers use RxJava for Android development.
I want to learn it. Can you recommended some Project use RxJava?
I'm pretty sure that visiting Fragmented podcast parts about RxJava (I linked them below) would be a nice start of your RxJava Development:
The RxJava show with Dan Lew (Part 1)
The RxJava show with Dan Lew (Part 2)
Jake Wharton on Testing, SqlBrite, NotRxAndroid, RxJava and Much More
Why these sites? Click on the first link and you would find there not only a player as on normal podcast page, but also many recommended by authors resources which are also explained in podcast.
Many projects with RxJava you would find on GitHub. I would recommend you these:
https://github.com/kaushikgopal/RxJava-Android-Samples
https://github.com/jhusain/learnrxjava
https://github.com/richardradics/RxAndroidBootstrap
Also take a look at GitHub page of RxJava and RxAndroid, Android specific bindings for RxJava.
Any question? Please free to ask.
Hope it helps
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I have using SQLLite in my Android Application for sometimes now, and am getting quite tired of using cursors, and inserts in my java code. I have exploring various ORM available for Android. A good place to start is here. Can anyone share their experience of using ORM in Android. Would you recommend any particular ORM in a Android application.
I have been using ORMLite. Its a good ORM, open source and lots of support. Haven't really tried the rest though, its been around the longest and its really good.
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I spent the last year working on a project that involved mostly java for android but used c++ for some additional libraries through jni. What I would like to do is port the whole project into objective c for ios because I think it would make using the ios libraries that much easier not having to use any wrappers or additional code.
So does anybody know of any good books related to programing in objective c from the eyes of a java programmer. I already have quite a few objective c books and ios books but what Im lacking is the knowledge of how to cross over certain operations on objects and containers and things like that.
Any leads on the matter would be much appreciated.
'Learn Objective-C for Java Developers' - (Apress).
http://books.google.co.nz/books/about/Learn_Objective_C_for_Java_Developers.html?id=2fQBGOU4UfQC&redir_esc=y
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I'm working on a multiplatform application for windowsphone, iphone and android. I do this using visualstudio(phone sdk) with monoplugin (monotouch and mono for android for the other two platforms). The c# you write the code in is compiled to native code for al three platform.
my Question(S):
I'm looking for a graph drawing library that is based on the .net (silverlight) framework. Because if I get the library working on windowsphone, it should be able to work on the other two platforms (with the help of mono). So, does anyone know (or recommend) a graph library?
Has anyone here ever done something similar and if so? what library did you use.
You probably won't find such library - unless you resort to using a HTML View with a Javascript Drawing Library on all platforms. I for one would stick to exposing the relevant data from your View Model and use some code-behind in your platform specific view to adapt your graph library of choice for each of the platforms to deal with the data exposed by your View Model.
There is one library i found, that atleast implements the basic draw functions across the three mono sdk's.
It can be found here:
https://github.com/praeclarum/CrossGraphics