Develop an Android application which displays a form to get two numbers from user using appropriate widget. Toast the value of addition of the given to numbers. Eg. 2+3=5 Toast the answer 5. Mobile Computing and Wireless Communication (170702) GTU

               Code :

          <?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="wrap_content"

              android:layout_height="match_parent"

              android:orientation="vertical"

              tools:context=".AddUP">

           

              <EditText

                  android:id="@+id/value1"

                  android:layout_width="350dp"

                  android:layout_height="wrap_content"

                  android:ems="10"

           

                  android:hint="Enter 1st Number"

                  android:inputType="number" />

           

              <EditText

                  android:id="@+id/value2"

                  android:layout_width="350dp"

                  android:layout_height="wrap_content"

                  android:ems="10"

           

                  android:hint="Enter 2nd Number"

                  android:inputType="number" />

           

              <Button

                  android:id="@+id/submit"

                  android:layout_width="wrap_content"

                  android:layout_height="wrap_content"

                  android:text="Submit" />

           

          </LinearLayout>

           

          package com.example.devang.exhello;

           

          import android.support.v7.app.AppCompatActivity;

          import android.os.Bundle;

          import android.view.View;

          import android.widget.Button;

          import android.widget.EditText;

          import android.widget.Toast;

          public class AddUP extends AppCompatActivity {

              Button submit;

              EditText t1,t2;

              @Override

              protected void onCreate(Bundle savedInstanceState) {

                  super.onCreate(savedInstanceState);

                  setContentView(R.layout.activity_add_up);

                  submit = findViewById(R.id.submit);

                  t1 = findViewById(R.id.value1);

                  t2 = findViewById(R.id.value2);

           

                  submit.setOnClickListener(new View.OnClickListener() {

                      @Override

                      public void onClick(View view) {

                          int sum = (Integer.parseInt(t1.getText().toString()) + Integer.parseInt(t2.getText().toString()));

                          Toast.makeText(getApplicationContext(),"Addition is: "+Integer.toString(sum),Toast.LENGTH_LONG).show();

                      }

                  });

              }

          }