Appium won't open apps on phone

Roman · May 1, 2022, 9:23am

When I launch script it won’t open the app, but it doesn’t show any errors too
my phone: Xiaomi Redmi Note 7.

iparry7979 · May 2, 2022, 7:14am

It could be a lot of things. If you are reaching the server there should be some output from the server. If there is no output, you are not reaching it. If there is output from the server, please provide it here. If there is not output from the server, there should be some output from the clients test run. Please provide that and someone may be able to help.

I could be wrong but from the screenshot it looks like you are using Visual Studio with the C# appium client. If so I assume you are using MSTest. If that’s the case you need to add the [TestMethod] attribute to the method. You’ll also need the [TestClass] attribute on the class if it’s missing. Without those MSTest won’t find any tests to run.

Roman · May 2, 2022, 2:25pm

Hello! thanks for the response! can you please help me where i can see the output from the server? (I’m sorry, I’m noob)

wreed · May 2, 2022, 3:39pm

github.com/appium/appium

USB Disconnects when UIAUtomator2 Server is killed on Xiaomi devices

opened 10:26PM - 10 Jan 19 UTC

closed 07:31AM - 15 Jan 19 UTC

mstrelex

Android Needs Info

## The problem Only on **Xiaomi Redmi Note 4** - on other devices this doesn'…t happen. When appium-uiautomator2-driver kills the running instance of UIAutomator2 server on the device (https://github.com/appium/appium-uiautomator2-driver/blob/master/lib/uiautomator2.js#L196) it causes a USB reset and device disconnects then immediately reconnects back. If I comment out the new logic `kill -9...` and leave only the previous logic `am force-stop ...` it works fine. Tested on 3 different computers and 2 Xiaomi Redmi Note 4 devices to make sure it's not USB / cable issue. ## Environment * Appium version (or git revision) that exhibits the issue: 1.10.0 * Last Appium version that did not exhibit the issue (if applicable): 1.9.0 * Real device or emulator/simulator: Xiaomi Redmi Note 4 ## Modules * Driver used: https://github.com/appium/appium-uiautomator2-driver/releases/tag/v1.26.0 * Server used: https://github.com/appium/appium-uiautomator2-server/releases/tag/v3.1.1 ## Link to Appium logs ### Appium gist: ``` 2019-01-10 18:42:44.517 Running 'C:\sdk\platform-tools\adb.exe -P 5037 -s SKK7EINRMRGAWWTG shell ps' 2019-01-10 18:42:44.733 Running 'C:\sdk\platform-tools\adb.exe -P 5037 -s SKK7EINRMRGAWWTG shell kill -9 8872' 2019-01-10 18:42:44.833 Logcat terminated with code 0, signal null ``` ### Logcat gist: ``` 01-10 18:42:20.488 8872 8933 I appium Started UiAutomator2 io.appium.uiautomator2.http io.appium.uiautomator2.server on port 6790 01-10 18:42:43.987 8699 - I ADB_SERVICES service_to_fd shell:kill -9 8872 ```

IMHO many phones from Chinese manufacturers are not compatible with automation environments in general, because of unexpected modifications in their firmware causing such incompatibilities.

Might try a different phone to see if the Xiaomi is the problem.

iparry7979 · May 3, 2022, 2:27am

If you need to start from scratch can I suggest following the steps in this video series. I was a noob a few months ago and this helped me get set up.

Roman · May 4, 2022, 8:05am

Hey! I solved my problem. Through the appium inspector, I found out that the program did not work due to CORS not working. After I wrote --allow-cors everything worked! Thank you all for your help!