How to animate TextView in Android

In this android programming source code example, we are going to animate TextView in Android.

You can copy and adopt this source code example to your android project without reinventing the wheel.

Below is a step by step source code to animate TextView in Android.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical" 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=".animation.Animation19">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:textSize="24sp"
        android:text="TextView Animation"
        android:layout_marginBottom="16dp"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Press me"
        android:layout_gravity="center_horizontal"
        android:textStyle="bold"
        android:textColor="@color/colorAccent"
        android:textSize="30sp"
        android:id="@+id/text"/>

</LinearLayout>

MainActivity.java

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;


public class Animation19 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_animation19);

        final TextView textView = findViewById(R.id.text);
        final Animation animation = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.fade_in);
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                textView.startAnimation(animation);
            }
        });
    }
}

anim\fade_in.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true">
    <alpha
        android:duration="5000"
        android:fromAlpha="0.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toAlpha="1.0" />
</set>

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