Primavara.javacode Android for Beginners

gistfile1.txt

package com.sistahwork.costin; /**
 * Add your package below. Package name can be found in the project's AndroidManifest.xml file.
 * This is the package name our example uses:
 *
 * package com.example.android.justjava;
 */

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

/**
 * This app displays an order form to order coffee.
 */
public class Primavara extends AppCompatActivity {
    int quantity = 2;


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

    /**
     * This method is called when the plus button is clicked.
     */

    public void increment(View view) {
        if (quantity == 100) {
            // Show a message if the quantity is greater.
            Toast.makeText(this, "All the stars are yours ^^.", Toast.LENGTH_SHORT).show();
            return;
        }
        quantity = quantity + 1;
        displayQuantity(quantity);
    }
    /**
     * This method is called when the minus button is clicked.
     */
    public void decrement(View view) {
        if (quantity == 1){
            //Show a message if the quantity is less.
            Toast.makeText(this, "Not allowed to have less then one star.", Toast.LENGTH_SHORT).show();
            return;
        }

        quantity = quantity - 1;
        displayQuantity(quantity);

    }
    /**
     * This method is called when the order button is clicked.
     */
    public void submitOrder(View view) {

        EditText theOwner = (EditText)findViewById(R.id.the_owner);
        String owner = theOwner.getText().toString();

        CheckBox nebulasCheckBox = (CheckBox) findViewById(R.id.nebulas_checkbox);
        boolean hasNebulas= nebulasCheckBox.isChecked();

        CheckBox blackHolesCheckBox = (CheckBox) findViewById(R.id.blackholes_checkbox);
        boolean hasBlackHoles = blackHolesCheckBox.isChecked();

        CheckBox cometCheckBox = (CheckBox) findViewById(R.id.comets_checkbox);
        boolean hasComets = cometCheckBox.isChecked();

        int stars = calculateStars(hasNebulas,hasBlackHoles,hasComets);
        String priceMessage = creatOrderSummary (owner, stars, hasNebulas, hasBlackHoles, hasComets);


        Intent intent = new Intent(Intent.ACTION_SENDTO);
        intent.setData(Uri.parse("mailto:")); // only email apps should handle this
        intent.putExtra(Intent.EXTRA_SUBJECT, owner + "`s universe");
        intent.putExtra(Intent.EXTRA_TEXT, priceMessage);
        if (intent.resolveActivity(getPackageManager()) != null) {
            startActivity(intent);
        }


    }

    /**
     * Calculate the stars of the order.
     * @return stars
     */
    private int calculateStars(boolean addNebulas, boolean addBlackHoles, boolean addComets) {
        int baseStars = 5;
        if (addBlackHoles){
            baseStars = baseStars + 0;
        }
        if (addComets) {
            baseStars = baseStars + 10;
        }
        if (addNebulas) {
            baseStars = baseStars + 1000;
        }
        return baseStars * quantity;

    }
    /** Creat summary order
     * @param owner define the owner
     * @param stars number of stras
     * @param hasNebulas whether or net neblas are required
     * @return text summary
     */

    private String creatOrderSummary (String owner, int stars, boolean hasNebulas, boolean hasBlackHoles, boolean hasComets) {
        String priceMessage = "Owner:" + owner;
        priceMessage += "\nTotal of " + stars + " Stars are YouRs " + ".";
        priceMessage += "\nNow you have a Nebula." + hasNebulas;
        priceMessage += "\nBeaware of the BlackHole!" + hasBlackHoles;
        priceMessage += "\nDon`t you worry, Rosetta is commin` ^^" + hasComets;
        priceMessage = priceMessage + "\nMay the Force be with you.";
        return priceMessage;

    }

    /**
     * This method displays the given quantity value on the screen.
     */
    private void displayQuantity(int number) {
        TextView quantityTextView = (TextView) findViewById(R.id.quantity_text_view);
        quantityTextView.setText("" + number);
    }

    }