textInputLayout sur cliquez sur Afficher la boîte de dialogue
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/country_chooser_layout"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/country_chooser"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clickable="true"
android:drawableEnd="@drawable/ic_expand_arrow"
android:focusable="false"
android:hint="Country"
android:inputType="textCapWords" />
</com.google.android.material.textfield.TextInputLayout>
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