android 实现侧边弹窗特效代码

<?xml version="1.0" encoding="utf-8"?>
<Androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MainActivity">


    <RelativeLayout
        android:id="@+id/rel_dialog_back"
        android:background="#B3000000"
        android:layout_width="match_parent"
        android:layout_height="match_parent"  >


        <!-- 商品信息弹窗 -->
        <LinearLayout
            android:layout_alignParentRight="true"
            android:id="@+id/lin_dialog_content"
            android:layout_width="400dp"
            android:layout_height="match_parent"
            android:padding="10dp"
            android:background="#FFFFFF"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:text="我是弹窗"
                android:textColor="@color/colorAccent"
                android:gravity="center"
                android:textSize="80sp"
                android:layout_gravity="center"/>

        </LinearLayout>


    </RelativeLayout>


</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true"
    android:interpolator="@android:anim/decelerate_interpolator">
    <!--透明度标签：表示透明0到不透明1之间的变换-->
    <alpha
        android:fromAlpha="0.0"
        android:toAlpha="1.0" >
    </alpha>
	<!-- 100% 代表向右 视图宽度， 0%代表视图初始位置 -->
   <translate
       android:fromXDelta="100%" 
       android:toXDelta="0%">
   </translate>

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true"
    android:interpolator="@android:anim/decelerate_interpolator">
    <!--透明度标签：表示透明0到不透明1之间的变换-->
    <alpha
        android:fromAlpha="1.0"
        android:toAlpha="0.0" >
    </alpha>

    <translate
        android:fromXDelta="0%"
        android:toXDelta="100%">
    </translate>

</set>

final Animation anim = AnimationUtils.loadAnimation(this, R.anim.dialog_in);
        anim.setDuration(300);
        anim.setFillAfter(true);
        view.startAnimation(anim );

        anim.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
            //一定要记得，动画结束后清除动画，然后及时View 处于 View.GoNE状态时也会触发点击凶过
                view.clearAnimation();
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });