<?
xml
version
=
"1.0"
encoding
=
"utf-8"
?>
<
LinearLayout
android:layout_width
=
"match_parent"
android:layout_height
=
"match_parent"
android:orientation
=
"vertical"
tools:context
=
".MainActivity"
>
<
TextView
android:id
=
"@+id/primaryTextView"
android:layout_width
=
"match_parent"
android:layout_height
=
"100dp"
android:hint
=
"0"
android:maxLines
=
"2"
app:autoSizeMaxTextSize
=
"80sp"
app:autoSizeMinTextSize
=
"10sp"
app:autoSizeStepGranularity
=
"2sp"
app:autoSizeTextType
=
"uniform"
/>
<
LinearLayout
android:layout_width
=
"match_parent"
android:layout_height
=
"wrap_content"
android:gravity
=
"center"
android:orientation
=
"horizontal"
android:weightSum
=
"3"
>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedOne"
android:text
=
"1"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedTwo"
android:text
=
"2"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedThree"
android:text
=
"3"
android:textSize
=
"24sp"
/>
</
LinearLayout
>
<
LinearLayout
android:layout_width
=
"match_parent"
android:layout_height
=
"wrap_content"
android:gravity
=
"center"
android:orientation
=
"horizontal"
android:weightSum
=
"3"
>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedFour"
android:text
=
"4"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedFive"
android:text
=
"5"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedSix"
android:text
=
"6"
android:textSize
=
"24sp"
/>
</
LinearLayout
>
<
LinearLayout
android:layout_width
=
"match_parent"
android:layout_height
=
"wrap_content"
android:gravity
=
"center"
android:orientation
=
"horizontal"
android:weightSum
=
"3"
>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedSeven"
android:text
=
"7"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedEight"
android:text
=
"8"
android:textSize
=
"24sp"
/>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_margin
=
"8dp"
android:onClick
=
"clickedNine"
android:text
=
"9"
android:textSize
=
"24sp"
/>
</
LinearLayout
>
<
Button
android:layout_width
=
"68dp"
android:layout_height
=
"68dp"
android:layout_gravity
=
"center"
android:layout_marginTop
=
"8dp"
android:onClick
=
"clickedZero"
android:text
=
"0"
android:textSize
=
"24sp"
/>
</
LinearLayout
>