cooleshow_android/metronome/src/main/res/layout/pickerview_beat_symbol_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@drawable/bg_white_top_10dp"
    android:orientation="vertical">

    <RelativeLayout
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        android:id="@+id/rl_top"
        android:layout_width="match_parent"
        android:layout_height="50dp">


        <TextView
            android:id="@+id/tv_cancel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="17dp"
            android:text="取消"
            android:textColor="@color/color_999999"
            android:textSize="@dimen/dp_16" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="节拍"
            android:textColor="@color/color_1a1a1a"
            android:textSize="18dp" />

        <TextView
            android:id="@+id/tv_finish"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="17dp"
            android:padding="8dp"
            android:text="确定"
            android:textColor="@color/color_1cacf1"
            android:textSize="@dimen/dp_16" />

    </RelativeLayout>

    <View
        android:layout_marginEnd="13dp"
        android:layout_marginStart="13dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintBottom_toBottomOf="@+id/optionspicker"
        app:layout_constraintTop_toTopOf="@+id/optionspicker"
        android:background="@drawable/shape_f2f2f2_6dp"
        android:layout_width="match_parent"
        android:layout_height="44dp"/>

    <View
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/rl_top"
        android:id="@+id/view_line"
        style="@style/line_style"
        android:layout_marginEnd="13dp"
        android:layout_marginStart="13dp"/>
    <!--此部分需要完整复制过去，删减或者更改ID会导致初始化找不到内容而报空-->
    <LinearLayout
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/view_line"
        android:id="@+id/optionspicker"
        android:layout_width="match_parent"
        android:layout_height="@dimen/dp_250"
        android:gravity="center"
        android:minHeight="150dp"
        android:orientation="horizontal">

        <com.contrarywind.view.WheelView
            android:id="@+id/options1"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1" />

        <com.contrarywind.view.WheelView
            android:id="@+id/options2"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1" />

        <com.contrarywind.view.WheelView
            android:id="@+id/options3"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1" />
    </LinearLayout>


</androidx.constraintlayout.widget.ConstraintLayout>