图片旋转移动缩放渐变

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:onClick="yidong"
            android:text="移动"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:onClick="suofang"
            android:text="缩放"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:onClick="xuanzhuang"
            android:text="旋转"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:onClick="jianbian"
            android:text="渐变"/>
    </LinearLayout>
    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="10dp"
        android:src="@drawable/ab" />

</LinearLayout>
java
package com.commerce.my;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {
    ImageView imageView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageView =findViewById(R.id.imageView);
    }

    public void yidong(View view) {
        Animation translate= AnimationUtils.loadAnimation(this,R.anim.translate_animation);
        imageView.startAnimation(translate);

    }

    public void suofang(View view) {
        Animation scale= AnimationUtils.loadAnimation(this,R.anim.scale_animation);
        imageView.startAnimation(scale);
    }

    public void xuanzhuang(View view) {
        Animation rotate= AnimationUtils.loadAnimation(this,R.anim.rotate_animation);
        imageView.startAnimation(rotate);

    }

    public void jianbian(View view) {
        Animation alpha= AnimationUtils.loadAnimation(this,R.anim.alpha_animation);
        imageView.startAnimation(alpha);

    }
}
平移
<?xml version="1.0" encoding="utf-8"
    
?><translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="3000"
    android:fromXDelta="0"
    android:fromYDelta="0"
    android:interpolator="@android:anim/accelerate_decelerate_interpolator"
    android:toXDelta="100"
    android:toYDelta="300">


</translate>
缩放
<?xml version="1.0" encoding="utf-8"
    ?><scale xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="3000"
    android:fromXScale="0.5"
    android:fromYScale="0.5"
    android:interpolator="@android:anim/accelerate_interpolator"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toXScale="2.0"
    android:toYScale="2.0" >


</scale>
旋转
<?xml version="1.0" encoding="utf-8"
    ?><rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/accelerate_decelerate_interpolator"
    android:fromDegrees="0"
    android:toDegrees="360"
    android:pivotX="50%"
    android:pivotY="50%"
    android:repeatCount="1"
    android:repeatMode="reverse"
    android:duration="1000"


    >

</rotate>
渐变
<?xml version="1.0" encoding="utf-8"
    ?><alpha xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="1000"
    android:fromAlpha="1.0"
    android:repeatMode="reverse"
    android:repeatCount="infinite"
    android:interpolator="@android:anim/linear_interpolator"
    android:toAlpha="0.0" />