Does anyone know if there's a way to either keep the user from uninstalling an app from an Android phone or reinstall it on removal? Before you flame me, please know that I have an app that's intended to be installed on the phone by a parent/employer/etc. and has a password-protected settings screen; the user would need to enter the password to remove the app.
You need to just install “Smart App Protector” from play store and assign permission to prevent unsintall app as a “yes”. Now no one is uninstall that app which you have assign permission. It works for all android phone.
Go to Settings and select “Biometrics and security.” Tap on “Secure Folder,” then “Lock type.” Choose between Pattern, PIN, Password or a biometric option like fingerprint or iris, and create that password. Go to your app drawer and tap “Secure Folder.” Tap “Add apps.”
No you simply can't. At least not for the phones that are not rooted. You can take the user to an Uninstall screen, but they would have to click on "Uninstall" to uninstall the app. For more information visit install/uninstall application programmatically.
What if you have it send an email alert to a registered email address on uninstall?
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