I'm currently new to the android native development kit (NDK). Is it possible to have more than one native activity in a purely native application with intents to switch between activities (a similar way to that of the SDK)?
Related
Would it be advisable to some how integrate NodeJs with a Kotlin project to use Stream.io Feed API? From what I understand there currently isn't any support for Kotlin/Android regarding the Feed capability. I currently have an iOS app that uses Stream and would like to connect my Android users to the community also. If this isn't the right way to thin about this, is there a better way to go about this?
https://github.com/getstream/stream-java provides java integration for feeds. See its io.getstream.cloud package to leverage it in android.
Later this year, more modern and android specific SDK will be developed too.
This should not be so difficult!
In normal C++ one can write static or dynamic libraries that can be used in multiple application projects. I want to do the same thing for UWP apps using C++/winRT.
I have written a simple C++/winRT UWP app that discovers Bluetooth Low Energy Devices. I used the Core UWP project template that set up all that pch.h stuff. What I want to do is to make a library out of the code I wrote that did the Bluetooth work so it can be shared across many UWP apps but I have no idea which project template I should use to do that.
I have come to the conclusion that writing a Windows Runtime Component is not what I want. I am not making a run time component though I need to use runtime components for the Bluetooth.
In the end I will be calling that library from a Java application but that's off in the future.
All my problems would be solved if they had a Java/winRT option (a Java language projection in Microsoft-speak).
Note that the project selection interface in Visual Studio 2019 must be very different than 2017 as none of the demos I have seen online look like what I see.
I am new to Xamarin development. And, currently I want to integrate the zendesk chat.
As per my RnD and after contacting Zendesk support center they are not supporting the xamarin yet.
Currently they have sdk for native android and ios respectively.
I need you expertize people's guidelines for the development regarding what scenario i should follow to achieve the same using xamarin.forms :
Integrate the both platforms native sdk's for xamarin in each platform and later call it from Xamarin.Forms by adding platform dependency using Device.OnPlatforms . ( I am not sure about this scenario, please suggest)
Create a jar/aar of Zendesk SDK and use it using binding library concept.( I am not sure it will be accessible into ios platform)
Kindly, suggest me the best approach for this.
Any sample reference for suggestions will be grateful.
Thanks in advance.
I think it's a mix of number 1 and number 2 (and a little extra).
You will need to create the Binding libraries for both iOS and Android. Xamarin has a good documentation of how to do this: Android/Java and IOS/Objective-C
Then you can go either with Xamarin Native (Xamarin.iOS and Xamarin.Android projects) adding the binding to each project. Or you can go with Xamarin.Forms but this will require a little more work as you will need to create an interface of the methods you want to use from the SDKs (most likely all off them) and create the implementations for each platform.
Let's say your interface is called: ISendeskSdkService you will need at least two implementations: ISendeskSdkServiceiOS and ISendeskSdkServiceDroid. These implementations will be on the Platform project and they will be calling the binding libraries you just created and added to each of these projects.
You will be developing your app on top of your interface and which implementation to use will be set on the application load when you are configuring your IoC.
Hope this gives you an idea.
I have existing iOS and Android native apps. Is it possible to extend the apps with Xamarin coded part ?
Both Xamarin.iOS and Xamarin.Android are currently setup to take control of your application, so you need to make your main program be written in C# and then call into the existing code.
The way that you would do this is to bind your existing Objective-C or Java code as C# libraries, and then consume those libraries from C#. The binding technology is precisely what drives both the Xamarin.iOS and Xamarin.Android tools, so you would effectively be doing the same.
Once you have bindings, the interoperability works both ways: you can call native code, and native code can call C#.
The bad news is that instead of starting to enjoy writing code with both tools from day zero, the first thing you have to do the bindings, which is in general, not as fun as watching colored squared move on your screen.
Ok I find an answer here : http://www.whitneyland.com/2013/05/why-i-dont-recommend-xamarin-for-mobile-development.html
For example, code written in Xamarin cannot be used in native or HTML5
apps.
I got a game written in C/C++ using GLES v1.1 (yeah that was an iPhone game), as Im porting it to android I realize that I got some logs on the LogChat of Eclipse that tells me that the GL functionality (like glGet*) that I want to use is not implemented.
Digging on Google I found that you can cast a GL10 to GL11 context, however, since my API calls are all native, I cannot use that...
Is there a way to initialize a GL11 context in Java and then use the native GL11 API call?
If you are running on the emulator, be aware that currently (SDK Tools Rev9, ndk-r5b) the emulator (no matter the platform version) only implements the GLES 1.0 interfaces. It won't matter that your context is for GL11. You'll need to test on hardware to successfully call the unimplemented API entry points.