At the time of creating blink.xml file you can either select ‘alpha’ or ‘set’ as Root Element.<\/li>\n<\/ul>\nCode:<\/p>\n
activity_main.xml<\/p>\n
<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nxmlns:tools=”http:\/\/schemas.android.com\/tools”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent”
\nandroid:paddingBottom=”@dimen\/activity_vertical_margin”
\nandroid:paddingLeft=”@dimen\/activity_horizontal_margin”
\nandroid:paddingRight=”@dimen\/activity_horizontal_margin”
\nandroid:paddingTop=”@dimen\/activity_vertical_margin”
\ntools:context=”.MainActivity” ><\/p>\n
<ImageView
\nandroid:id=”@+id\/imageView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:src=”@drawable\/tweenedanm” \/><\/p>\n
<Button
\nandroid:id=”@+id\/b1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignBottom=”@+id\/imageView1″
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginBottom=”28dp”
\nandroid:onClick=”onBlink”
\nandroid:text=”Blink” \/><\/p>\n
<\/RelativeLayout><\/p>\n
<\/p>\n
res\/anim\/blink.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<set xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”>
\n<alpha android:fromAlpha=”0.0″
\nandroid:toAlpha=”1.0″
\nandroid:interpolator=”@android:anim\/accelerate_interpolator”
\nandroid:duration=”500″
\nandroid:repeatMode=”reverse”
\nandroid:repeatCount=”infinite”><\/alpha><\/p>\n
<\/set><\/p>\n
<\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.app.Activity;
\nimport android.view.Menu;
\nimport android.view.View;
\nimport android.view.animation.Animation;
\nimport android.view.animation.AnimationUtils;
\nimport android.widget.ImageView;<\/p>\n
public class MainActivity extends Activity{<\/p>\n
ImageView iv;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\niv=(ImageView)findViewById(R.id.imageView1);
\n}<\/p>\n
public void onBlink(View v)
\n{
\nAnimation animation=AnimationUtils.loadAnimation(getApplicationContext(), R.anim.blink);
\niv.startAnimation(animation);
\n}<\/p>\n
@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}
\n}<\/p>\n
https:\/\/youtu.be\/GMpI70eyH4k<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"In this tutorial how to perform Blinking in Tween Animation in Android is shown. Points to Remember: For creating the blink.xml file you will have to first create anim folder under res folder. At the time of creating blink.xml file you can either select ‘alpha’ or ‘set’ as Root Element. Code: activity_main.xml <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” android:paddingBottom=”@dimen\/activity_vertical_margin” android:paddingLeft=”@dimen\/activity_horizontal_margin” android:paddingRight=”@dimen\/activity_horizontal_margin” android:paddingTop=”@dimen\/activity_vertical_margin” tools:context=”.MainActivity” > <ImageView android:id=”@+id\/imageView1″ android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_alignParentTop=”true” android:layout_centerHorizontal=”true” android:src=”@drawable\/tweenedanm” \/> <Button android:id=”@+id\/b1″ android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_alignBottom=”@+id\/imageView1″ android:layout_centerHorizontal=”true” android:layout_marginBottom=”28dp” android:onClick=”onBlink” android:text=”Blink” \/> <\/RelativeLayout> res\/anim\/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=”500″ android:repeatMode=”reverse” android:repeatCount=”infinite”><\/alpha> <\/set> MainActivity.java package com.example.demo; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.ImageView; public class MainActivity extends Activity{ ","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[95,94],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/posts\/2496"}],"collection":[{"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/comments?post=2496"}],"version-history":[{"count":2,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/posts\/2496\/revisions"}],"predecessor-version":[{"id":2498,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/posts\/2496\/revisions\/2498"}],"wp:attachment":[{"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/media?parent=2496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/categories?post=2496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webartdevelopers.com\/blog\/wp-json\/wp\/v2\/tags?post=2496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}