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目录结构
第一步
anim/tween_anim.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:duration="6000"/>
<scale
android:interpolator="@android:anim/accelerate_decelerate_interpolator"
android:fromXScale="0.0" android:toXScale="1.0"
android:fromYScale="0.0" android:toYScale="1.0"
android:pivotX="50%" android:pivotY="50%"
android:fillAfter="false"
android:duration="9000"/>
<translate
android:fromXDelta="30" android:toXDelta="0"
android:fromYDelta="30" android:toYDelta="0"
android:duration="10000"/>
<rotate
android:interpolator="@android:anim/accelerate_decelerate_interpolator"
android:fromDegrees="0" android:toDegrees="+360"
android:pivotX="50%" android:pivotY="50%"
android:duration="10000"/>
</set>
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第二步
layout/tween_anim.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
androidrientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ImageView
android:id="@+id/iv"
android:src="@drawable/p1"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
/>
<Button
android:id="@+id/btn"
android:text="Click"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
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第三步
TweenAnimActivity.java
package com.skytao;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
public class TweenAnimActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tween_anim);
Button btn = (Button) findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
ImageView iv = (ImageView) findViewById(R.id.iv);
Animation animation =
AnimationUtils.loadAnimation(TweenAnimActivity.this,
R.anim.tween_ani);
iv.startAnimation(animation);
}
});
}
}
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