画实心圆

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle"
    android:useLevel="true">
    <solid android:color="@color/c201" />
    <corners android:radius="6dp" />
    <size
        android:width="12dp"
        android:height="12dp" />
</shape>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <LinearLayout
        android:layout_width="72dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:gravity="center_horizontal"
        android:orientation="vertical">

        <View
            android:id="@+id/before_view_approval"
            android:layout_width="1dp"
            android:layout_height="14dp"
            android:background="@color/c201" />

        <ImageView
            android:id="@+id/civ_approval_circle"
            android:layout_width="10dp"
            android:layout_height="10dp"
            android:src="@drawable/shape_flow_list_circle_c201" />

        <View
            android:id="@+id/view_approval"
            android:layout_width="1dp"
            android:layout_height="30dp"
            android:background="@color/c201" />


    </LinearLayout>

    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginEnd="16dp">


        <TextView
            android:id="@+id/originator_name"
            android:layout_width="wrap_content"
            android:layout_height="22dp"
            android:layout_marginEnd="16dp"
            android:ellipsize="end"
            android:gravity="center_vertical"
            android:maxLines="1"
            android:layout_marginTop="8dp"
            android:textColor="@color/c121"
            android:textSize="@dimen/fs3" />

        <TextView
            android:id="@+id/originator_status"
            android:layout_width="wrap_content"
            android:layout_height="22dp"
            android:layout_alignParentEnd="true"
            android:gravity="center_vertical"
            android:ellipsize="end"
            android:layout_marginTop="8dp"
            android:maxLines="1"
            android:textColor="@color/c125"
            android:textSize="@dimen/fs2" />
    </RelativeLayout>
</LinearLayout>

//第一条竖线
if (mData.indexOf(item) == 0) {
    helper.getView(R.id.before_view_approval).setVisibility(View.INVISIBLE);
} else {
    helper.getView(R.id.before_view_approval).setVisibility(View.VISIBLE);
}
//最后一条不显示竖线
if (mData.size() - 1 == mData.indexOf(item)) {
    helper.getView(R.id.view_approval).setVisibility(View.GONE);
} else {
    helper.getView(R.id.view_approval).setVisibility(View.VISIBLE);
}