Android开发-引导页图片滑动效果
需求：
打开app引导页图片产生滑动动画效果，根据需要将图片设置渐变、滑动等效果。
Activity
```java
public class MainActivityextends AppCompatActivity {
private ImageView ivImg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ivImg=findViewById(R.id.iv_main_img);
ivImg.startAnimation(AnimationUtils.
loadAnimation(this, R.anim.anim_activity_welcome_set));
}
}
```
layout
```java
#Activity
```java
public class MainActivityextends AppCompatActivity {
private ImageView ivImg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ivImg=findViewById(R.id.iv_main_img);
ivImg.startAnimation(AnimationUtils.
loadAnimation(this, R.anim.anim_activity_welcome_set));
}
}
```
res/anim/anim_activity_welcome_set
```java
#Activity
```java
<?xml version="1.0" encoding="utf-8"?>
android:fillAfter="true">
android:duration="100"
android:fillAfter="true"
android:fromXScale="100%"
android:fromYScale="100%"
android:toXScale="130%"
android:toYScale="100%">
android:duration="3000"
android:fillAfter="true"
android:fromAlpha="0.4"
android:toAlpha="1.0">
android:duration="3000"
android:fillAfter="true"
android:fromXDelta="0"
android:fromYDelta="0"
android:toXDelta="-30%p"
android:toYDelta="0">
```
