How can I align a ListView below a TextView in Android?

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There are multiple ways to align a ListView below a TextView in Android:

1. Use LinearLayout: You can use a vertical LinearLayout and add TextView and ListView as its children. Here's an example:

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Hello World!" />

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

1. Use RelativeLayout: You can use a RelativeLayout and align the ListView below the TextView. Here's an example:

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Hello World!" />

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/textView" />

</RelativeLayout>

1. Use ConstraintLayout: You can use a ConstraintLayout and constraint the ListView below the TextView. Here's an example:

<androidx.constraintlayout.widget.ConstraintLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintTop_toTopOf="parent" />

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toBottomOf="@id/textView" />

</androidx.constraintlayout.widget.ConstraintLayout>

Choose the layout that suits your design and start coding.