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How to create animation using XML file in an Android App?
This example demonstrates how do I create an animation using XML in an android app.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:padding="4dp" android:layout_height="match_parent" tools:context=".MainActivity"> <TextView android:textSize="24sp" android:textStyle="bold" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Have a Wonderful day!" android:layout_centerInParent="true" android:id="@+id/textView" /> <Button android:id="@+id/button" android:layout_alignParentBottom="true" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Start Animation"/> </RelativeLayout>
Step 3 − Create a new android resource directory (anim) and create these below mentioned anim resource files
Myanim.xml
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true"> <alpha android:duration="1000" android:fromAlpha="0.0" android:interpolator="@android:anim/accelerate_interpolator" android:toAlpha="1.0" /> </set>
zoom.xml
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true"> <scale android:duration="1000" android:fromXScale="1" android:fromYScale="1" android:pivotX="50%" android:pivotY="50%" android:toXScale="3" android:toYScale="3"></scale> </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>
Step 4 − Add the following code to src/MainActivity.java
import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity implements Animation.AnimationListener { TextView textView; Button button; Animation animation; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView = findViewById(R.id.textView); button = findViewById(R.id.button); animation = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.blink); animation.setAnimationListener(this); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { textView.setVisibility(View.VISIBLE); textView.startAnimation(animation); } }); } @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation1) { } @Override public void onAnimationRepeat(Animation animation) { } }
Step 5 − Add the following code to androidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.com.sample"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from the android studio, open one of your project's activity files and click Run icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen −
Click here to download the project code.
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