Loading a TextView from xml into a TextSwitcher

There are several things wrong with your code:

First, the LayoutInflater.inflate() method expects the id of a layout file in the form of R.layout.layout_name and not in the form of R.id.some_id:

TextView textView = (TextView) inflater.inflate(R.layout.textView, null);

Second, the code you use will throw a ClassCastException because the root of the inflated layout is a LinearLayout and not a TextView as you try to cast it. Your code should be:

LinearLayout ll = (Linearlayout) inflater.inflate(R.layout.textView, null);

But even the line above will not work because, as its name suggest, a TextSwitcher will take only children of type TextView, nothing can come between the TextSwitcher and the two TextView children. The correct code to use will be in the end:

Layout for textview.xml:

<?xml version="1.0" encoding="utf-8"?><TextView    xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/textView"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text="@string/hello" />

And the viewFactory field will be:

private ViewFactory viewFactory = new ViewFactory() {        public View makeView()  {            LayoutInflater inflater = LayoutInflater.from(TextSwitcherTest.this);            TextView textView = (TextView) inflater.inflate(R.layout.textView, null);            return textView;        }};

Pretty simple using mostly XML.

In your XML add a TextSwitcher root view and two TextViews within it:

<TextSwitcher    android:id="@+id/textswitcher_id"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_alignParentBottom="true"    android:layout_alignParentEnd="true"    android:inAnimation="@android:anim/fade_in"    android:outAnimation="@android:anim/fade_out">    <TextView        android:id="@+id/tv_onboarding_next"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Text1" />    <TextView        android:id="@+id/tv_onboarding_letsgo"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Text2" /></TextSwitcher>

Then in code, wherever you want the animation action to occur:

Using Kotlin:

textswitcher_id.setText(getString("Text2"))// and somewhere else, switch it back:textswitcher_id.setText(getString("Text1"))

Or in Java:

findViewById(R.id.textswitcher_id).setText(getString("Text2"));// and somewhere else, switch it back:findViewById(R.id.textswitcher_id).setText(getString("Text1"));

Note:

• Within the XML you can also use two includes rather TextView twice, see: https://stackoverflow.com/a/42724239/1852191

• The reason we have the default text in the XML even though we set it programmatically later is because on the first view it will be blank, until it's set

Actually, you don't need to set factory if you put two TextViews inside your TextSwitcher in layout XML. This worked for me:

<TextSwitcher    android:id="@+id/id1"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:inAnimation="@android:anim/fade_in"    android:outAnimation="@android:anim/fade_out">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:lines="1"/>    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:lines="1"/></TextSwitcher>

(no additional configuration done in code, just inflate and findViewById)

However, you have to duplicate the attributes across the TextViews. This might be avoided by moving the TextView to the separate file and then including it twice:

<TextSwitcher    android:id="@+id/id1"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:inAnimation="@android:anim/fade_in"    android:outAnimation="@android:anim/fade_out">    <include layout="@layout/titlebar" />    <include layout="@layout/titlebar" /></TextSwitcher>

Other way to avoid duplication would be creating a custom style and applying it to both TextViews.