Have to uninstall the app before running in Android Studio - android

I am using Xiomi Poco F1. When I run the app code in Android Studio to install the app in my phone, it asks me to uninstall the previously installed app which is very annoying. Is there a way to get rid of this problem?

Just check if Instant Run is on. Make it off.
Follow this -
How to disable Instant Run for Android Studio 3.0

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Android Studio not detecting Microsoft Android Emulator

I installed Microsoft's Android Emulator from here which can now work without disabling Hyper-V on Windows 10. I was following the instructions in this post and everything was working smooth until yesterday. I was successfully able to debug my app in MS android emulator.
Today morning I closed the emulator and started it again. Now, When I start running the app to test it then the MS Android emulator is not showing up in Select Deployment Target window of Android Studio as below. Nexus 5X API 28 emulator visible under Available Virtual Devices is Google's Android emulator which doesn't work with Hyper-V enabled due to reasons mentioned here.
I've already launched the MS Android simulator and it is up and running:
I can see it running in Hyper-V as well as shown below:
Not sure what happened suddenly and it stopped working altogether. Can anyone suggest me the reason behind it or I'm missing something?
If it didn't detected by IDE, try to rerun the emulator and check if it is detecting again or not.
Also, you can try this too:
Tools -> Android -> Enable ADB Integration
If it is already enabled, try to disable and re enable it, seems like this works most of the times.
EDIT: You may want to check:
https://stackoverflow.com/a/38788436/4409113
Changing the value Path then running following commands:
adb kill-server
adb start-server
Might help.
I happened to resolve it by chance. Sharing my experience in case it helps someone in future.
Initially what I was doing is as below:
Start Visual Studio Emulator for Android application which contains the list all the device profiles.
Choose an appropriate device profile and install it.
Run the installed profile and launch the emulator.
Start Android studio, open the project and launch the app.
I simply reversed the above steps to resolve my issue. First close everything including Android Studio, emulators, device profile window etc.:
At first, start Android studio, open the project and hit Run app button to show Select Deployment Target window.
Now, start Visual Studio Emulator for Android application which contains the list of all the device profiles.
Choose an appropriate device profile and install it.
Run the installed profile and launch the emulator. Wait for the Android operating system to get started fully.
The Connected Devices section in Select Deployment Target window would refresh on its own to start showing Microsoft's Android Emulator.
The adb.exe can be seen as an infected file by antivirius software. So need to exclude once reinstated.

Some high version OPPO and VIVO system can't open debug apk?

When I run debug app from Android Studio, I can install app but can't run app, When I'm open app it crashed.
Some one say use gradle < 2.3.0 version is run well.
Somebody know the reason?
follow settings you can run debug app on oppo and vivo
1. Disable Instant Run
2. Add gradle.properties Settings
android.injected.testOnly=false

Android Studio Not Deploying App

I currently have the latest version of Android Studio and I'm trying to deploy an app onto my phone running Android 5.0.1 Lollipop. After building, the terminal shows that the apk is being installed onto the phone and the status indicates that it is running. However, nothing shows up on my phone (no running applications and the app does not show up in the installed applications list). I've tried disabling auto-run in studio settings but it doesn't help. Any ideas why it's doing this? Also I reinstalled the adb driver just in case that was the cause. It might be helpful to note also that this happens even on the default template apps generated by studio.
try to turn off the Instant Run
File - Settings - Search Instant Run , unselect all the options
Hope this would help.
In my case the 'HMS Toolkit' (version 6.3.0.3003.AF) plugin, on Android Studio Chipmunk (version 2021.2.1), was causing this.
I've disabled it and it all started working again.

Eclipse Android Running App on device. Nothing happens

I am just beginning to use Eclipse for Android applications. After updating my Android SDK i can't run my projects on device anymore. It says "Installing app.apk..." but nothing happens. Installing my app with adb without eclipse works, where could be an Issue? I reinstalled SDK and Eclipse twice.
Try unistalling the application from the phone before re-installing it. Also make sure you have the option to allow non-market apps checked in your phone settings --> applications.
Is it getting stuck at a particular percentage? If that is the case, the solution was to keep the virtual device running before you attempt to run the project.
I had the same problem on my computer. Android sdk on eclipse doesn't work well with windows x64.
So to launch the application you have to kill the adb process. Wait that adb restart and launch one more time.

Titanium Studio - Trying to run example app

I'm newbie in Titanium Studio and I have some weird questions:
- When I choose a new Mobile Project and trying to Run under the Android SDK Emulator,
I able to see the phone screen but when I'm going in the emulator to the apps list, I cant see the application I just created...
any ideas?
thanks.
When you hit Run it is automatically installed in your device/emulator.
Be sure it was successfully installed in your emulator first, please see:
Android troubleshooting
The initial launch of the Android emulator can be quite slow and Studio may timeout before it can install and launch the application. If this happens just click Run in Studio again. Subsequent launches should not time out on the same virtual device.
http://docs.appcelerator.com/titanium/latest/#!/guide/Creating_Your_First_Titanium_Apps-section-37541502_CreatingYourFirstTitaniumApps-AddaTableView

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