简单实例,图片从远到近、从小到大、从模糊到清晰
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">
<ImageView
android:id="@+id/imgShow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="90dp"
android:layout_centerHorizontal="true"
android:src="@drawable/ic_launcher" />
<Button
android:id="@+id/btnStart"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="@string/btnStart" />
</RelativeLayout>main.java
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btnStart = (Button)findViewById(R.id.btnStart);
btnStart.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ImageView imgShow = (ImageView)findViewById(R.id.imgShow);
Animation am = AnimationUtils.loadAnimation(MainActivity.this,R.anim.tween_ani);
imgShow.startAnimation(am);
}
});
}
tween_ani.xml
在res下创建anim文件夹
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<alpha
android:duration="6000"
android:fromAlpha="0.0"
android:toAlpha="1.0" />
<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>
各参数介绍:
http://blog.csdn.net/tyzy0613/article/details/40742571
原文:http://blog.csdn.net/tyzy0613/article/details/40977347