Certificate error when running on a wearable device Gear s3 with tizen studio 2.3 - certificate

I'm developing a web application with Tizen Studio 2.3 for wearable v3.0, the application runs normally in the emulator, however, when I want to run a physical device, Gear s3, which if recognized in the IDE, I get a Certificate error, as is, as shown in this video: https://www.youtube.com/watch?v=2xBtnnwL7-M
How can I solve this problem?

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App Launch: The Huawei Lite Simulator supports only Lite projects

When trying to run my test app on a HVD emulator, I get the following error message:
App Launch: The Huawei Lite Simulator supports only Lite projects.
Meanwhile I've realized, that currently one can only use hardware or a remote emulator for such a project. But when trying to set this up, the Harmony OS Virtual Device Manager responds with 404:
Is there anything to do about it?
I haven't tried with DevEco Studio on Windows so far, but with Android Studio on Linux, which appears to be functioning now.
With HMS Toolkit version 1.0.5, it will ask for Huawei ID and then also lists devices in Düsseldorf or Ireland (where the one is a city and the other a country). However, there are currently only EMUI ROM available. It integrates better than before, but without an HarmonyOS 2.0 ROM, it still doesn't provide the expected environment.

React native Android Project Not starting in emulator

i just created a react native project on windows, using expo. After Creating the project i ran npm start and then expo start the next logical thing to do is to press the a button which will launch, the project on the android virtual device, but instead it gave me this error Couldn't start project on Android: Error running adb: Error running app. Error: Activity not started, unable to resolve Intent { act=android.intent.action.VIEW dat=exp://192.168.43.148:19000 flg=0x10000000 }
when i tried running it on my android phone with the expo android app it ran smoothly, i don't know what to do please help thanks
I had the same problem and I got it fixed as follows:
Go to SDK Manager in Android studio > SDK Tools and check whether there is any update for Android SDK Build-Tools. If there is any, please make sure you update it.
Close any Android virtual device currently running and then go to Android Studio Virtual Device Manager and wipe the data of your Android virtual device.
Make sure you have enough internal storage allocated for your Android virtual device to install apps.
Check whether Android Debug Bridge utility is installed in your device. If not please install it. To install in mac, I used the below command (Assuming that you have HomeBrew installed in your mac device):
brew install android-platform-tools
Start your Android virtual device ( This step should be done before running the expo development server)
In the Developer options menu of your Android virtual device, make sure USB debugging option is enabled.
Finally, try running the development server by expo start and press on the button to run on your Android emulator.

Tizen studio add real device

after problem with signature while try to run my APP on real device I reset the watch and create Samsung Certificate.
Now i have a problem that i can`t add this watch to Tizen Studio Device Manager even if i can switch connect in Remote Device manager.
At this moment I tried turn debug on and restart watch.
Windows 10
Tizen Studio 3.6
For posterity:
This worked for me https://developer.tizen.org/ko/forums/general-support/device-manager-cannot-connect-galaxy-watch-46mm.-bluetooth-off-debugging-on-developer-options-same-wifi-network.
Switch state of debuging, then restart watch, then scan for devices in device manager.
After 7 times i got RSA key to confirm on my watch.

Emulator device offline

I am trying to build android Oreo source code in ubuntu 14.04,it is built successfully but the emulator is not turning on.I tried by restarting the server and check for android devices,it shows that the device is offline and I am not able to turn it on.Suggest a way to solve this issue.Thanks in advance.
link followed-
https://source.android.com/devices

the apk file working in emulator but not in android device

I run an application in Android emulator in my p.c. , it is working properly .
but,
when I connect my Android device with p.c. , then through eclipse , I run the application , eclipse prompt that whether you want to install your application in android emulator or Android device , I choose Android device ,, the device prompt a force to close error !!!!
even in my laptop the application were installed properly , but not working properly ...
what could be the reason ????
my current Android device version is 2.3.6
thanks...
It's hard to say what the issue is because what you described isn't specific. Have you ever been able to install any application on the device? Is it just this one application that doesn't install?
The first things I would check:
Do you have the correct Windows USB driver installed?
The Android developers website has a page dedicated to it ( http://developer.android.com/sdk/oem-usb.html ) but you should check the manufacturer's website for the most up-to-date software.
Do you have the developer settings enabled on the device?
Settings > Applications > Enable Unknown Sources
Settings > Applications > Development > Enable USB Debugging