This Activity shows a simple layout animation. Here we add a new Button to the layout with “APPEARING” animation.
You can have a variety of Default animations.
Activity
package com.coderzheaven.animationdemo1;import android.animation.LayoutTransition;import android.annotation.TargetApi;import android.os.Build;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.view.ViewGroup;import android.widget.Button;public class MainActivity extends AppCompatActivity { private ViewGroup viewGroup; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); LayoutTransition l = new LayoutTransition(); l.enableTransitionType(LayoutTransition.APPEARING); viewGroup = (ViewGroup) findViewById(R.id.activity_main); viewGroup.setLayoutTransition(l); } public void onClick(View view) { viewGroup.addView(new Button(this)); }} |
The layout.
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" 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:onClick="onClick" android:orientation="vertical" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.coderzheaven.animationdemo1.MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" /></LinearLayout> |
All Done.