Andriod Studio

lauren II

mainactivity.docx

Home >Computer Science homework help >Andriod Studio

//you have to modify the application name, my name, and somethings here

// for example: package com.example.myname.myapplicationname;

package com.example.fmili.gettingstarted;

import android.net.Uri;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.TextView;

import com.google.android.gms.appindexing.Action;

import com.google.android.gms.appindexing.AppIndex;

import com.google.android.gms.appindexing.Thing;

import com.google.android.gms.common.api.GoogleApiClient;

import static android.R.id.message;

import static com.example.fmili.gettingstarted.R.id.price_text_view;

import static com.example.fmili.gettingstarted.R.id.quantityView;

public class MainActivity extends AppCompatActivity {

int quantity =1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// ATTENTION: This was auto-generated to implement the App Indexing API.

// See https://g.co/AppIndexing/AndroidStudio for more information.

}

public void moreDragons(View view) {

quantity = quantity + 1;

displayQuantity(quantity);

}

private void displayQuantity(int quantity) {

TextView priceTextView = (TextView) findViewById(quantityView);

priceTextView.setText(String.valueOf(quantity));

}

public void fewerDragons(View view) {

quantity = quantity - 1;

displayQuantity(quantity);

}

public void orderDragons(View view) {

String priceMessage = String.valueOf(quantity * 100);

displayAmount(priceMessage);

}

/**

* This method displays the given text on the screen.

private void displayAmount(String message) {

TextView priceTextView = (TextView) findViewById(price_text_view);

priceTextView.setText(message);

}