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make a java file for this calculator which was made in Android studio Exercise: Design and develop a calculator application with at least two arithmetic

make a java file for this calculator which was made in Android studio

Exercise:

Design and develop a calculator application with at least two arithmetic operators in Android Studio and Java file

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/activity_main"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context="abhiandroid.com.calculater.MainActivity"

android:orientation="vertical"

android:gravity="top"

android:textAlignment="center"

android:background="@android:color/holo_blue_bright"

android:weightSum="1">

android:text="@string/enter_two_numbers"

android:layout_width="match_parent"

android:id="@+id/textView"

android:layout_height="30dp"

android:gravity="center_horizontal"

android:textColorLink="?android:attr/editTextColor"

tools:textStyle="bold|italic"

android:textStyle="bold|italic"

android:fontFamily="serif"

android:visibility="visible"

android:textSize="24sp"

android:layout_weight="0.07" />

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editOp1"

android:textSize="18sp"

android:gravity="center_horizontal"

android:layout_marginBottom="5dp"

android:visibility="visible" />

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editOp2"

android:textSize="18sp"

android:gravity="center_horizontal"

android:elevation="1dp" />

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