info@thistimebd.com

Thursday 21st of November 10:38:25pm

Edit Text Android App Source Code

edittext.java

===========


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.TextView;

import android.widget.Toast;


public class MainActivity extends AppCompatActivity implements View.OnClickListener {


    private EditText editText1, editText2;

    private Button addButton, subButton;

    private TextView resultTextView;



    @Override

    protected void onCreate(Bundle savedInstanceState) {



        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);


        editText1 = (EditText) findViewById(R.id.editText1Id);

        editText2 = (EditText) findViewById(R.id.editText2Id);



        addButton = findViewById(R.id.addButtonId);

        subButton = findViewById(R.id.subButtonId);


        resultTextView = findViewById(R.id.resultTextViewId);

        addButton.setOnClickListener(this);

        subButton.setOnClickListener(this);

    }


    @Override

    public void onClick(View v) {


        try {

            String number1 = editText1.getText().toString();

            String number2 = editText2.getText().toString();


            //converting into double

            double num1 = Double.parseDouble(number1);

            double num2 = Double.parseDouble(number2);


            if (v.getId() == R.id.addButtonId) {

                double sum = num1 + num2;

                resultTextView.setText("Result " + sum);



            }

            if (v.getId() == R.id.subButtonId) {

                double sub = num1 - num2;

                resultTextView.setText("Result " + sub);



            }



        } catch (Exception e) {

            Toast.makeText(MainActivity.this,"Please Enter numbers",Toast.LENGTH_SHORT).show();



        }


    }

}

===========================================

string.xml

-------------

<resources>

    <string name="app_name">EditText</string>

    <string name="editText1_text">Enter number 1</string>

    <string name="editText2_text">Enter number 2</string>

    <string name="add_text">add</string>

    <string name="sub_text">sub</string>

</resources>

===========================================

activity_main.xml

-------------------


<?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="match_parent"

    android:layout_height="match_parent"

    android:padding="20dp"

    android:orientation="vertical"

    tools:context="com.bdstall.web.edittext.MainActivity">


  <EditText

      android:id="@+id/editText1Id"

      android:layout_width="200dp"

      android:layout_height="50dp"

      android:textSize="20sp"

      android:textStyle="bold"

      android:hint="@string/editText1_text"

      android:inputType="numberDecimal"

      android:backgroundTint="#0e0e0e"

      android:textCursorDrawable="@null"

      android:layout_marginBottom="15dp"


      />

<EditText

      android:id="@+id/editText2Id"

      android:layout_width="200dp"

      android:layout_height="50dp"

      android:textSize="20sp"

      android:textStyle="bold"

      android:hint="@string/editText2_text"

      android:inputType="numberDecimal"

      android:backgroundTint="#0e0e0e"

      android:textCursorDrawable="@null"


      />


  <LinearLayout

      android:layout_margin="15dp"

      android:layout_height="wrap_content"

      android:layout_width="wrap_content">


    <Button

        android:text="@string/add_text"

        android:id="@+id/addButtonId"

        android:textSize="20sp"

        android:textStyle="bold"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        />


    <Button

        android:text="@string/sub_text"

        android:id="@+id/subButtonId"

        android:textSize="20sp"

        android:layout_margin="1dp"

        android:textStyle="bold"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"



        />



      </LinearLayout>



  <TextView

      android:textStyle="bold"

      android:id="@+id/resultTextViewId"

      android:textSize="20sp"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"


      />


</LinearLayout>