Android 에서 ImageView클래스를 상속하여 Frame Animation을 구현해본 예
사용된 이미지:
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StarTwinkleImageView.java
package com.dearpeople.android.test.ani;
import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.util.AttributeSet;
import android.widget.ImageView;
public class StarTwinkleImageView extends ImageView {
AnimationDrawable animation;
public StarTwinkleImageView(Context context, AttributeSet attrs) {
super(context, attrs);
startAnimation();
}
/* 내부클래스, UI 쓰레드가 실행할 코드(Runnable)를 작성한다 */
class Starter implements Runnable {
// UI쓰레드는 Runnable객체를 받아서 실행하면 애니메이션이 시작된다
public void run() {
animation.start();
}
}
private void startAnimation(){
// 각 프레임을 저장할 객체를 생성한다
animation = new AnimationDrawable();
// 각 프레임으로 사용할 이미지를 등록한다
animation.addFrame(getResources().getDrawable(R.drawable.t04_09_mpost_main_event_icon_1), 100);
animation.addFrame(getResources().getDrawable(R.drawable.t04_09_mpost_main_event_icon_2), 100);
//애니메이션을 한번만 실행할 것인지 반복할 것인지 설정한다
animation.setOneShot(false);
//애니메이션이 실행될 공간을 확보한다
this.setBackgroundResource(R.drawable.t04_09_mpost_main_event_icon_1);
this.setImageDrawable(animation);
this.post(new Starter());
}
}
main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/linearLayout"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"/>
<com.dearpeople.android.test.ani.StarTwinkleImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"/>
</LinearLayout>
StarAniActivity.java
package com.dearpeople.android.test.ani;
import android.app.*;
import android.graphics.drawable.*;
import android.os.*;
public class StarAniActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}