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Android Android Lists and Adapters Displaying Lists of Data Binding Data in the Activity

Arturo Castro
Arturo Castro
1,711 Points

I got an error in the xml file, it says: Element android.support.constraint.ConstraintLayout is not allowed here

After I copied and pasted the instructions on Android Studio I got an error that says: Element android.support.constraint.ConstraintLayout is not allowed here. Im using Android Studio 3.6 and cant find a solution on the internet.

2 Answers

can I see your code?

Arturo Castro
Arturo Castro
1,711 Points

Thanks Xander for the Reply. This is my code: https://ibb.co/MpvMkzv

Arturo Castro
Arturo Castro
1,711 Points

And this is the full code:

<?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools"> <data> <variable name="hour" type="com.example.stormy.weather.Hour"/> </data> <android.support.constraint.ConstraintLayout android:id="@+id/coordinatorLayout" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/appBackground" tools:context=".ui.HourlyForecastActivity">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/hourlyListItems"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"/>
</android.support.constraint.ConstraintLayout>

</layout>

here is my code. I used the androidx support package to get mines to work

<androidx.constraintlayout.widget.ConstraintLayout

    android:id="@+id/coordinatorLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/appBackground">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/hourlyListItems"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0" />
</androidx.constraintlayout.widget.ConstraintLayout>