CREATE UNIT CONVERTER APP

CREATE UNIT CONVERTER APP USING XML AND JAVA IN ANDROID STUDIO

xml code :-

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:background="#F8E753"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/editTextTextPersonName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="number"
        android:textColor="#E91E63"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.497"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.205" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="SUBMIT"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editTextTextPersonName"
        app:layout_constraintVertical_bias="0.32" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="265dp"
        android:layout_height="68dp"
        android:layout_marginBottom="72dp"
        android:textColor="#009688"
        android:textSize="14sp"
        app:autoSizeTextType="uniform"
        app:layout_constraintBottom_toTopOf="@+id/button"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editTextTextPersonName"
        app:layout_constraintVertical_bias="1.0" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="287dp"
        android:layout_height="52dp"
        android:background="#009688"
        android:ellipsize="middle"
        android:text="Enter the kg value"
        android:textColor="#FFFFFF"
        android:textSize="30sp"
        android:textStyle="bold"
        app:autoSizeTextType="uniform"
        app:flow_horizontalAlign="center"
        app:flow_verticalAlign="center"
        app:layout_constraintBottom_toTopOf="@+id/editTextTextPersonName"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.508" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="343dp"
        android:layout_height="243dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/button"
        app:srcCompat="@drawable/icon" />
</androidx.constraintlayout.widget.ConstraintLayout>

Java code :-

package com.example.unitconverter;

import androidx.appcompat.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 {

    private Button button;
    private TextView textView;
    private EditText editText;

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

        button = findViewById(R.id.button);
        textView = findViewById(R.id.textView1);
        editText = findViewById(R.id.editTextTextPersonName);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(MainActivity.this, "Hi clicked listner worked!", Toast.LENGTH_SHORT).show();
                String s = editText.getText().toString();
                int kg = Integer.parseInt(s);
                double pound = 2.20462*kg;
                textView.setText("The corresponding value in Pound is  : " + pound);

            }
        });

    }
}

By:-SHRADDHA NAND PANDEY 

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