ANDROID GETTER AND SETTER

TASK Simple Add and Fetch Data

HOMEPAGE.class:

ProductPage.class

EmployeePage.class

BooksPage.class

MODEL:

Product.class, Employee.class, Books.class, University.class, and Restaurant.class .

use string builder

use your previous activityActivity: Master Java List Data Structure (hashnode.space)

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Example:

Copypackage com.thirdygayares.androidstringbuilder;

public class Product {

    private int id;
    private String name;
    private String category;
    private int price;

    public Product() {
    }

    public Product(int id, String name, String category, int price) {
        this.id = id;
        this.name = name;
        this.category = category;
        this.price = price;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getCategory() {
        return category;
    }

    public void setCategory(String category) {
        this.category = category;
    }

    public int getPrice() {
        return price;
    }

    public void setPrice(int price) {
        this.price = price;
    }
}

Copypackage com.thirdygayares.androidstringbuilder;

import android.os.Bundle;
import android.util.Log;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    EditText editTextId, editTextName, editTextCategory, editTextPrice;
    TextView textViewResults;
    Button buttonAddProduct, buttonGetProduct;

    List<Product> productList = new ArrayList<>();
    Product productObject;


    StringBuilder stringBuilder;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_main);

        stringBuilder = new StringBuilder();
        productObject = new Product();

        editTextId= findViewById(R.id.editTextId);
        editTextName= findViewById(R.id.editTextName);
        editTextCategory= findViewById(R.id.editTextCategory);
        editTextPrice= findViewById(R.id.editTextPrice);
        textViewResults= findViewById(R.id.textViewResults);
        buttonAddProduct= findViewById(R.id.buttonAddProduct);
        buttonGetProduct= findViewById(R.id.buttonGetProducts);




        //listener for buttonAddProduct
        buttonAddProduct.setOnClickListener(v-> addFunction());


    }




    //TODO add FUNCTION
    private void addFunction(){

        productObject.setId(Integer.parseInt(editTextId.getText().toString()));
        productObject.setName(editTextName.getText().toString());
        productObject.setCategory(editTextCategory.getText().toString());
        productObject.setPrice(Integer.parseInt(editTextPrice.getText().toString()));

        Log.d("MAIN",  "id" + productObject.getId() + " name: " + productObject.getName() + " category: " + productObject.getCategory() +  "PRICE:" + productObject.getPrice()) ;

        stringBuilder.append("\n\n Name:" + productObject.getName());
        stringBuilder.append("\n id:" + productObject.getId());
        stringBuilder.append("\n category:" + productObject.getCategory());
        stringBuilder.append("\n price:" + productObject.getPrice());

        textViewResults.setText(stringBuilder.toString());
    }


}

Copy<?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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <EditText
        android:layout_marginTop="50dp"
        android:id="@+id/editTextId"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Product ID"
        android:inputType="number" />

    <EditText
        android:id="@+id/editTextName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Product Name"
        android:inputType="text" />

    <EditText
        android:id="@+id/editTextCategory"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Product Category"
        android:inputType="text" />

    <EditText
        android:id="@+id/editTextPrice"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Product Price"
        android:inputType="numberDecimal" />

    <Button
        android:id="@+id/buttonAddProduct"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Add Product" />

    <Button
        android:id="@+id/buttonGetProducts"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Get Products" />


    <TextView
        android:id="@+id/textViewResults"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Results will be displayed here"
        android:textSize="16sp"
        android:textColor="#000000"
        android:paddingTop="20dp" />

</LinearLayout>