linearlayout item 가운데 정렬

다음과 같이 view 안에 내용물은 가운데로 이동하고 싶으면 

item을 감싸고 있는 LinearLayout에 gravity="center" 를 해주면 된다.

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:orientation="vertical">

 

 

전체 xml 코드

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/bottomSheetDashBoardLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/round_background"
    android:orientation="vertical"
    app:behavior_draggable="true"
    app:behavior_hideable="true"
    app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="vertical">

        <TextView
            android:id="@+id/dialog_update"
            android:layout_width="wrap_content"
            android:layout_height="55dp"
            android:gravity="center_vertical"
            android:letterSpacing="-0.05"
            android:text="수정"
            android:textColor="#9C27B0"
            android:textSize="20sp"
            android:textStyle="bold" />


        <!--구분선-->
        <View
            android:id="@+id/chat_underline1"
            android:layout_width="match_parent"
            android:layout_height="0.8dp"
            android:background="@color/gray" />


        <TextView
            android:id="@+id/dialog_delete"
            android:layout_width="wrap_content"
            android:layout_height="55dp"
            android:gravity="center_vertical"
            android:letterSpacing="-0.05"
            android:text="삭제"
            android:textColor="#9C27B0"
            android:textSize="20sp"
            android:textStyle="bold" />

    </LinearLayout>
</LinearLayout>