project #8: add 4 column in the second linear layout

Author: kmhmubin

Calculator/.idea/codeStyles/Project.xml

@@ -2,10 +2,13 @@ package com.example.calculator
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.view.View
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
     }
+
+    fun onDigit(view: View) {}
 }

Calculator/.idea/codeStyles/codeStyleConfig.xml

@@ -4,8 +4,68 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context=".MainActivity">
 
-    
+    <TextView
+        android:id="@+id/tvInput"
+        android:layout_width="match_parent"
+        android:layout_height="250dp"
+        android:background="#fefefe"
+        android:ems="10"
+        android:maxLength="12"
+        android:padding="10dp"
+        android:textSize="48sp" />
+
+    <!--    buttons layout in new liner layout-->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="2dp"
+        android:layout_weight="1"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/btnSeven"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:onClick="onDigit"
+            android:text="@string/_7"
+            android:textSize="20sp"
+            tools:ignore="ButtonStyle,NestedWeights" />
+        <Button
+            android:id="@+id/btnEight"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:onClick="onDigit"
+            android:text="@string/_8"
+            android:textSize="20sp"
+            tools:ignore="ButtonStyle,NestedWeights" />
+
+        <Button
+            android:id="@+id/btnNine"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:onClick="onDigit"
+            android:text="@string/_9"
+            android:textSize="20sp"
+            tools:ignore="ButtonStyle,NestedWeights" />
+
+        <Button
+            android:id="@+id/btnDivide"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:onClick="onDigit"
+            android:text="@string/divide"
+            android:textSize="20sp"
+            tools:ignore="ButtonStyle,NestedWeights" />
+
+
+    </LinearLayout>
+
 
 </LinearLayout>

Calculator/.idea/gradle.xml

@@ -1,3 +1,7 @@
 <resources>
     <string name="app_name">Calculator</string>
+    <string name="_7">7</string>
+    <string name="_8">8</string>
+    <string name="_9">9</string>
+    <string name="divide">/</string>
 </resources>