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I try make an android app with java and have a problem with searchIndex
I just don't know ho to make it right
I already used lucene in C# but I want to know if I could use it in java.
Yes there is also a library of Lucene in java and you can use it in android applications.
But there is a native full text search feature called FTS and and also new version FTS4 in SQLite , which you can use in android easily and it has a better performance and response time since its running natively and so much faster because uses less memory than java Lucene impelementation.
You can see a sample here : http://www.mysamplecode.com/2011/11/android-searchview-using-sqlite-fts3.html
and also full documentation here : http://www.sqlite.org/fts3.html
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I'm developing an application for manage security alarms and I have to work with the alarms API, an old code written in C#. The requests for disarm, arm...the alarms have to be done in Pascal (STDCALL) and I don't know how combine Android and Pascal.
Can anyone help me?
A lot of thanks.
The only way I know to execute Pascal code in Android is to compile a Free Pascal/Delphi shared library(.so) and access its interface through JNA/JNI. Of which two JNA seems to be the far less difficult option:
https://github.com/java-native-access/jna
You can't use Android's NDK tools to build such a native library as it is only C/C++. So you need to use an external compiler.
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I want to profile a Java code programmatically in Java. I have searched the internet about tutorials but in vain. All that I've come across is how to profile a Java code using a third party application. It would be of great help if you guys can suggest some profiling API in Java and how to use it.
JProfiler has an API for profiling where the results are directly accessible from the API - no GUI required.
See the api/samples/platform example in the installation directory and the javadoc in api/javadoc.
Disclaimer: My company develops JProfiler.
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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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How can I develop in Java and still use Unreal Engine 4?
Do you have to use a wrapper (I have heard something about this), do I have to modify the source code that comes with purchase or is there a plugin out there that I can use?
http://jmonkeyengine.org/ seems good and I love the IDE (and the SDK itself), but I cannot get over having to place objects on certain coordinates.
There is, as of this moment time, no Java support on the Unreal Engine. There is a C# plugin available however, you could probably explore how they accomplished it if you plan on making your own wrapper.
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What is the most efficient way to convert iOs mobile application into Android? A friend and I are working on an app and we would like to know what is our options?
Can we translate line by line the code? What can we do?
There is no conversion technique that you can just run your pre-existing IOS source code through and get Android source code
Unfortunately, that means you guys are going to have to decide if it is really worth the time and effort on porting.
Here are some resources for further reading:
http://www.datasprings.com/resources/articles-information/guide-for-porting-an-ios-app-to-android
Porting ios apps to android
You can write the codes by c language which are not related to UI, and call them by JNI on Android. If you did it, I think you can keep a same copy on IOS.