如何在ImageView上设置阴影效果

<ImageView
    android:id="@+id/imageView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:elevation="8dp"
    android:src="@drawable/image" />

ImageView imageView = findViewById(R.id.imageView);
imageView.setElevation(8f);

ImageView imageView = findViewById(R.id.imageView);
imageView.setOutlineProvider(new ViewOutlineProvider() {
    @Override
    public void getOutline(View view, Outline outline) {
        // 定义阴影的形状，例如圆形
        outline.setOval(0, 0, view.getWidth(), view.getHeight());
    }
});

ImageView imageView = findViewById(R.id.imageView);
imageView.setOutlineSpotShadowColor(Color.RED);