Android Animation example

Android 프로젝트의 res/anim/ 폴더에 애니메이션 정보를 xml 파일에 저장하고 로드하여 특정 View에 적용하는 예

main.xml

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

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="onBtnClick"
        android:text="애니메이션 시작" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/persian_smile" />

</LinearLayout>

res/anim/flow.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate 
        android:fromXDelta="100%p"
        android:toXDelta="0%p"
        android:duration="6000"
        android:repeatCount="3"/>
    <alpha 
        android:fromAlpha="0.5"
        android:toAlpha="1"
        android:duration="6000"
        android:repeatCount="3"/>

</set>

TestActivity.java

package com.example.androidapp;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
 
public class TestActivity extends Activity {
	
	ImageView iv;
	Animation animation;
	
    public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         setContentView(R.layout.main);

         iv = (ImageView) findViewById(R.id.imageView1);
         animation = AnimationUtils.loadAnimation(this, R.anim.flow);

         animation.setAnimationListener(new Animation.AnimationListener() {
			public void onAnimationStart(Animation animation) { }
			public void onAnimationRepeat(Animation animation) {	}
			public void onAnimationEnd(Animation animation) {	}
		});
     }
    
    public void onBtnClick(View v) {
    	iv.startAnimation(animation);
    }
}