Question

I want to make my TextView vertically scrollable. I have read “Making TextView Scrollable in Android” but since I don’t know the size of the screen of the final device, I can’t know which value should be set for maximum lines.

Is there any other way, so it gets the scrolling for any screen size?

My XML looks like this:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <ScrollView
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content"
        android:fillViewport="true"
        android:layout_weight="1.0">
        <TextView
            android:id="@+id/consola"
            android:layout_width="fill_parent" 
            android:layout_height="match_parent"/>
    </ScrollView>

    <EditText 
        android:id="@+id/comando"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0.0"/>

    <LinearLayout
    android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_weight="0.0">

        <Button
            android:text="Conectar"
            android:id="@+id/boton_conectar"
            android:layout_width="wrap_content"
            android:layout_weight="0.5"
            android:layout_height="wrap_content">
        </Button>
        <Button
            android:text="Enviar"
            android:id="@+id/boton_enviar"
            android:layout_width="wrap_content"
            android:layout_weight="0.5"
            android:layout_height="wrap_content">
        </Button>
    </LinearLayout>
</LinearLayout>

Answer 1

Look, here the structure of my XML layout with scroll:

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" 
        android:scrollbars="vertical" 
        android:visibility="visible">

<LinearLayout 
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    .....
    //your sub-widgets
    .....
</LinearLayout>
</ScrollView>

As for me, works fine.