Test Android org.json without using the emulator? - android

I am learning to program to android and would like to do some code that use the org.json.JSONObject
But running the emulator is so slow.
Are there a way to test it thru console only?
On IOS we have the Playground. Are there something like that for Android?

Enable developer option in your Android mobile or tablet. run your code directly your device via usb debug or tcp connect.

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Android emulator not being able to interact with local rest APIs?

So, is there some kind of setup to be made if you want to have a rest API working in the android emulator? To be mentioned is that my emulator has access to the internet and can access links on chrome and web test browser(I'm working in visual studio and trying to develop an asp.net web rest API)
So far I tried a bunch of stuff and none made a difference:
Try running projects both in Visual Studio and Android Studio
Cold boot the emulator from both ide
Add internet/network permissions in the androidManifest files
Try to run projects w the rest APIs that are supposed to be working as intended
Try to change DNS
Change the localhost address to 10.0.2.2
So far nothing works, the emulator neither in the browser nor in the app doesn’t see the local API
Did anyone have such a problem and found a fix?
Try changing your firewall settings, preferably turn it off.

Tablet Setup Automation

I'm a bit of a beginner when it comes to programming and I had a question about setting up a program that acts like a setup script for android tablets. What I would like to be able to do is connect a tablet via usb and run a program that can install some apks (from the pc) and change some system settings on the tablet.
The issue I'm facing is that I'm not sure where to start. Looking up this topic online has shown me snippets of what I need, but nothing puts it all together, and I don't have much of a clue on how to test this with an emulated device.
I did setup Android studio, I setup eclipse to run android projects and Xamarin in c#. If I could get any advice on where to start and where I can learn more I would greatly appreciate it.
Thanks

DJI - Flight controller emulation

I am trying to create an android application that can receive commands for drones from a server.
I have bug and I can not really debug it due to the fact that I need to keep my android phone connected to the DJI Flight Controller why I use the simulator, thus I can't see the variable values and log messages.
How can I solve this? Is there a way to emulate the DJI Flight Controller?
Regards,
Dan
You have to use Bridge app tutorial provided by DJI sdk link: https://developer.dji.com/mobile-sdk/documentation/ios-tutorials/BridgeAppDemo.html
By using debug-Id of Bridge app which shows on this app and place this id in your app code.Using this you can easily debug your app.But sometimes it giving crash so i consulted with DJI SDK team on GitHub .They are solving the crash for iOS but you can use same procedure in Android also.
You could use adb over wifi to debug your app thats connected to remote controller. See link.
If you test on the phantom 3 standard ($500), you can run the log on your computer and connect your drone to the simulator. That way you can run logs on both devices. Another potential solution would be a usb splitter so that you can connect to computer and rc controller- but I am not sure that works because you may not be able to connect to both devices (I haven't tested.)

Testing simple Android chat messenger

I'm developing a simple chat messenger in android for my assignment. I need to run 2 AVD emulators to test my app. But it seems Android doesn't provide enough flexibility for network environment for AVDs. Could you please help me out how to run 2 AVDs to test my messenger app in Windows ? I'm using Eclipse IDE.
Have you tried running two instances of eclipse? One for each phone emulation. I've done this to test client/server programs that use my local machine as the host.

Using Android Device for debugging web application

I installed Android emulator and it is very very slow that i am not able to test my web application in it. Is there any way to debug the application directly if I have a galaxy tab device with me ?
Thanks
If you hook it up using USB you can debug using a real device. Set the debugging flag to 'on'. See the manual: http://developer.android.com/guide/developing/device.html

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