The Specified Child Already Has a Parent. You Must Call Removeview() on the Child's Parent First

The specified child already has a parent. You must call removeView() on the child's parent first (Android)

The error message says what You should do.

// TEXTVIEW
if(tv.getParent() != null) {
    ((ViewGroup)tv.getParent()).removeView(tv); // <- fix
}
layout.addView(tv); //  <==========  ERROR IN THIS LINE DURING 2ND RUN
// EDITTEXT

Kotlin : The specified child already has a parent. You must call removeView() on the child's parent first

You're trying to add the LinearLayout with the ID root_layout as its own child here:

layout.addView(layout)

Perhaps you meant to add your newly inflated View as its child?

layout.addView(view)

The specified child already has a parent. You must call removeView() on the child's parent first. Facing this issue

Seems like this was reported and according to the comment in there, this should be fixed for preview 11+: github.com/dotnet/maui/issues/3511 Which VS2022 have you installed?

Installing Visual Studio 2022 v17.1 Preview 2 should give you .NET MAUI Preview 11 which should resolve the issue.

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