Animation in Android With Kotlin Example

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"

    tools:context=".MainActivity">



    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="AndroIndian"
        android:id="@+id/textView2"
        android:textColor="#ff3eff0f"
        android:textSize="35dp"
        android:layout_below="@+id/textView"
        android:layout_centerHorizontal="true" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/imageView"
        android:src="@mipmap/ic_launcher"
        android:layout_below="@+id/textView2"
        android:layout_alignRight="@+id/textView2"
        android:layout_alignEnd="@+id/textView2"
        android:layout_alignLeft="@+id/textView"
        android:layout_alignStart="@+id/textView"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="zoom"
        android:id="@+id/button"
        android:layout_below="@+id/imageView"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginTop="40dp"
        android:onClick="clockwise"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="clockwise"
        android:id="@+id/button2"
        android:layout_alignTop="@+id/button"
        android:layout_centerHorizontal="true"
        android:onClick="zoom"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="fade"
        android:id="@+id/button3"
        android:layout_alignTop="@+id/button2"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:onClick="fade"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="blink"
        android:onClick="blink"
        android:id="@+id/button4"
        android:layout_below="@+id/button"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="move"
        android:onClick="move"
        android:id="@+id/button5"
        android:layout_below="@+id/button2"
        android:layout_alignRight="@+id/button2"
        android:layout_alignEnd="@+id/button2"
        android:layout_alignLeft="@+id/button2"
        android:layout_alignStart="@+id/button2" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="slide"
        android:onClick="slide"
        android:id="@+id/button6"
        android:layout_below="@+id/button3"
        android:layout_toRightOf="@+id/textView"
        android:layout_toEndOf="@+id/textView" />

</RelativeLayout>
</layout>

MainActivity.kt

package com.androindian.animation

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.animation.Animation
import android.view.animation.AnimationUtils
import androidx.databinding.DataBindingUtil
import com.androindian.animation.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {
    var binding: ActivityMainBinding?=null
    var animation: Animation?=null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding= DataBindingUtil.setContentView(this,R.layout.activity_main)

        binding?.button?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.myanimation)
            binding?.imageView?.startAnimation(animation)
        }

        binding?.button2?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.clockwise)
            binding?.imageView?.startAnimation(animation)
        }


        binding?.button3?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.fade)
            binding?.imageView?.startAnimation(animation)
        }
        binding?.button3?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.blink)
            binding?.imageView?.startAnimation(animation)
        }
        binding?.button4?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.move)
            binding?.imageView?.startAnimation(animation)
        }
        binding?.button5?.setOnClickListener {

            animation=AnimationUtils.loadAnimation(this@MainActivity,R.anim.slide)
            binding?.imageView?.startAnimation(animation)
        }

    }
}

Create anim folder in resources then create below xml files for animation effects

slide.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <scale
        android:duration="500"
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:interpolator="@android:anim/linear_interpolator"
        android:toXScale="1.0"
        android:toYScale="0.0" />
</set>

move.xml

<?xml version="1.0" encoding="utf-8"?>
<set
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/linear_interpolator"
    android:fillAfter="true">

    <translate
        android:fromXDelta="0%p"
        android:toXDelta="75%p"
        android:duration="800" />
</set>

blink.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <alpha android:fromAlpha="0.0"
        android:toAlpha="1.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:duration="600"
        android:repeatMode="reverse"
        android:repeatCount="infinite"/>
</set>

fade.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/accelerate_interpolator" >

    <alpha
        android:fromAlpha="0"
        android:toAlpha="1"
        android:duration="2000" >
    </alpha>

    <alpha
        android:startOffset="2000"
        android:fromAlpha="1"
        android:toAlpha="0"
        android:duration="2000" >
    </alpha>

</set>

clockwise.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">

    <rotate xmlns:android="http://schemas.android.com/apk/res/android"
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="5000" >
    </rotate>

    <rotate xmlns:android="http://schemas.android.com/apk/res/android"
        android:startOffset="5000"
        android:fromDegrees="360"
        android:toDegrees="0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="5000" >
    </rotate>

</set>

myanimation.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">

    <scale xmlns:android="http://schemas.android.com/apk/res/android"
        android:fromXScale="0.5"
        android:toXScale="3.0"
        android:fromYScale="0.5"
        android:toYScale="3.0"
        android:duration="5000"
        android:pivotX="50%"
        android:pivotY="50%" >
    </scale>

    <scale xmlns:android="http://schemas.android.com/apk/res/android"
        android:startOffset="5000"
        android:fromXScale="3.0"
        android:toXScale="0.5"
        android:fromYScale="3.0"
        android:toYScale="0.5"
        android:duration="5000"
        android:pivotX="50%"
        android:pivotY="50%" >
    </scale>

</set>

build.gradle

    dataBinding{
        enabled=true
    }