FadingTextView

Library on GitHub with dependency + instructions:

github.com/rosenpin/FadingTextView

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string-array name="example_one">
        <item>This</item>
        <item>is</item>
        <item>example 1</item>
    </string-array>

</resources>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.codinginflow.fadingtextviewexample.MainActivity">

    <com.tomer.fadingtextview.FadingTextView
        android:id="@+id/fading_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:textSize="30sp"
        app:texts="@array/example_one"
        app:timeout="1000" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="51dp"
        android:onClick="startExample2"
        android:text="Example 2" />

</RelativeLayout>

package com.codinginflow.fadingtextviewexample;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

import com.tomer.fadingtextview.FadingTextView;

import java.util.concurrent.TimeUnit;

public class MainActivity extends AppCompatActivity {
    private FadingTextView fadingTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        fadingTextView = findViewById(R.id.fading_text_view);
    }

    public void startExample2(View v) {
        String[] example2 = {"And", "this", "is", "example 2"};
        fadingTextView.setTexts(example2);
        fadingTextView.setTimeout(300, TimeUnit.MILLISECONDS);
        fadingTextView.forceRefresh();
    }
}