方法1:Outline
getView(R.id.image_view_1).setClipToOutline(true);
getView(R.id.image_view_1).setOutlineProvider(new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
outline.setRoundRect(0, 0, view.getWidth(), view.getHeight(), radius);
}
});
实现方法:
1) 要设置圆角的View.setClipToOutline(true)
2)要设置圆角的View.setOutlineProvider(ViewOutlineProvider provider)
ViewOutlineProvider 只有1个抽象方法,通过Outline.setRoundRect设置圆角:
public abstract void getOutline(View view, Outline outline);
方法特点:
1)对View设置,可View、ViewGroup
2)对4个角同时设置,不能单独设置单个角
方法2:CardView
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="100dp"
android:layout_marginTop="@dimen/dp_6"