<?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:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.5"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="@+id/first_textView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:text=""
android:textSize="30dp" />
</ScrollView>
<TextView
android:id="@+id/second_textView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:layout_weight="2"
android:text=""
android:textSize="30dp" />
</LinearLayout>
<GridLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:columnCount="4"
android:orientation="horizontal"
android:rowCount="5">
<Button
android:id="@+id/clear"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="C"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/bracket"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="( )"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/percent"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="%"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/div"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="÷"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num7"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="7"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num8"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="8"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num9"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="9"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/mul"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="X"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num4"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="4"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num5"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="5"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num6"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="6"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/sub"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="-"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num1"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="1"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num2"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="2"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num3"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="3"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/add"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="+"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/delete"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="delete"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/num0"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="0"
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/dot"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="."
android:backgroundTint="#3EBAB4"/>
<Button
android:id="@+id/equal"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_margin="-5dp"
android:text="="
android:backgroundTint="#3EBAB4"/>
</GridLayout>
</LinearLayout>
이게 세로 방향이고