[Java] ConstraintLayout LinearLayout Height 자동크기변경

아래 txt_content TextView의 라인 수에 따라 LinearLayout Height 조정 되게 하고 싶어서 찾아봤다. 

 

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    >

    <LinearLayout
        android:layout_width="335dp"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constrainedHeight="true"                <!-- 해당 옵션이 없으면 layout_constraintHeight_max동작하지 않습니다.-->
        app:layout_constraintHeight_max="250dp"     <!-- height의 최대 늘어나는 크기-->
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:padding="20dp"
        android:background="@drawable/corner_round_layout">

        <TextView
            android:id="@+id/txt_title"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:text="타이틀"
            android:gravity="center"
            android:textColor="@android:color/black"
            android:textSize="18dp" />

        <TextView
            android:id="@+id/txt_content"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:lineSpacingExtra="5dp"
            android:text="안녕하세요. 다이알로그입니다.\n두줄입니다.\n세줄입니다."
            android:gravity="center"
            android:textColor="@android:color/black"
            android:textSize="16dp" />

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:gravity="center"
            android:orientation="horizontal" >

            <kr.kfcc.insurance.CustomUI.CustomButton
                android:id="@+id/left_button"
                android:layout_width="0dp"
                android:layout_height="56dp"
                android:layout_weight="1"
                android:text="취소"
                android:textSize="16dp"
                android:textColor="#333333"
                android:layout_marginRight="9dp"
                android:fontFamily="@font/spoqahansansneo_bold"
                app:corner_Radius="50dp"
                app:stroke_Width="0dp"
                app:border_Color_Start="#000000"
                app:border_Color_End="#000000"
                app:background_Color_Start="#DFE5E8"
                app:background_Color_End="#DFE5E8"
                />

            <kr.kfcc.insurance.CustomUI.CustomButton
                android:layout_width="0dp"
                android:layout_height="56dp"
                android:layout_weight="1"
                android:id="@+id/right_button"
                android:text="확인"
                android:textSize="16dp"
                android:textColor="#FFFFFF"
                android:fontFamily="@font/spoqahansansneo_bold"
                app:corner_Radius="50dp"
                app:stroke_Width="0dp"
                app:border_Color_Start="#000000"
                app:border_Color_End="#000000"
                app:background_Color_Start="#3074f0"
                app:background_Color_End="#3074f0"
                />
        </LinearLayout>
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>