mjshoaib / addition

addition

xml file -

<EditText
    android:id="@+id/editText1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentTop="true"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="61dp"
    android:ems="10"
    android:inputType="number"
    tools:layout_editor_absoluteX="84dp"
    tools:layout_editor_absoluteY="53dp" />

<EditText
    android:id="@+id/editText2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/editText1"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="32dp"
    android:ems="10"
    android:inputType="number"
    tools:layout_editor_absoluteX="84dp"
    tools:layout_editor_absoluteY="127dp" />

<Button
    android:id="@+id/button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/editText2"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="109dp"
    android:text="ADD"
    tools:layout_editor_absoluteX="148dp"
    tools:layout_editor_absoluteY="266dp" />

java file-

package com.example.additionof2nos;

import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity { private EditText edittext1, edittext2; private Button buttonSum;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    addListenerOnButton();
}

public void addListenerOnButton() {
    edittext1 = (EditText) findViewById(R.id.editText1);
    edittext2 = (EditText) findViewById(R.id.editText2);
    buttonSum = (Button) findViewById(R.id.button);

    buttonSum.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            String value1=edittext1.getText().toString();
            String value2=edittext2.getText().toString();
            int a=Integer.parseInt(value1);
            int b=Integer.parseInt(value2);
            int sum=a+b;
            Toast.makeText(getApplicationContext(),String.valueOf(sum), Toast.LENGTH_LONG).show();
        }
    });
}

}