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// Find the View that shows the numbers category | |
TextView numbers = (TextView) findViewById(R.id.numbers); | |
// Set a click listener on that View | |
numbers.setOnClickListener(new View.OnClickListener() { | |
// The code in this method will be executed when the numbers View is clicked on. | |
@Override | |
public void onClick(View view) { | |
Intent numbersIntent = new Intent(MainActivity.this, NumbersActivity.class); | |
startActivity(numbersIntent); |
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<?xml version="1.0" encoding="utf-8"?> | |
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2"> | |
<!-- Title for the application. [CHAR LIMIT=12] --> | |
<string name="app_name">Sólo Java</string> | |
<!-- Hint text display in the empty field for the user's name [CHAR LIMIT=20] --> | |
<string name="name">Nombre</string> | |
<!-- Hint text display in the empty field for the user's name [CHAR LIMIT=20] --> | |
<string name="toppings">Ingredientes</string> |
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/** | |
* This method is called when the plus button is clicked. | |
*/ | |
public void increment(View view) { | |
if (quantity == 100) { | |
// Show an error message as a toast | |
Toast.makeText(this, "You cannot have more than 100 coffees", Toast.LENGTH_SHORT).show(); | |
// Exit this method early because there's nothing left to do | |
return; | |
} |
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package com.example.android.justjava; | |
import android.os.Bundle; | |
import android.support.v7.app.AppCompatActivity; | |
import android.view.View; | |
import android.widget.CheckBox; | |
import android.widget.TextView; | |
/** | |
* This app displays an order form to order coffee. |
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int numberOfSmoothiesTillPrize = 10; | |
if (numberOfSmoothiesTillPrize > 9) { | |
Log.v("SmoothieActivity", "Congratulations, you get a free smoothie!"); | |
numberOfSmoothiesTillPrize = numberOfSmoothiesTillPrize - 10; | |
} else { | |
Log.v("SmoothieActivity", "No free smoothie this time."); | |
} | |
Log.v("SmoothieActivity", "You currently have " + numberOfSmoothiesTillPrize + " out of 10 smoothies needed for your next free smoothie."); |
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int numberOfEmailsInInbox = 0; | |
int numberOfDraftEmails = 2; | |
String emailMessage = "You have " + numberOfEmailsInInbox + " emails. "; | |
String draftMessage = "You have " + numberOfDraftEmails + " email drafts."; | |
if (numberOfEmailsInInbox == 0) { | |
emailMessage = "You have no new messages. "; | |
} | |
if (numberOfDraftEmails == 0) { | |
draftMessage = "You have no new drafts."; |
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boolean isRaining = false; | |
Log.v("WeatherActivity", "Thank you for using the WhetherWeather App."); | |
if (isRaining) { | |
Log.v("WeatherActivity", "It's raining, better bring an umbrella."); | |
} else { | |
Log.v("WeatherActivity", "It's unlikely to rain."); | |
} |
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boolean isRaining = true; | |
if (isRaining) { | |
Log.v("WeatherActivity", "It's raining, better bring an umbrella."); | |
} else { | |
Log.v("WeatherActivity", "It's unlikely to rain."); | |
} | |
Log.v("WeatherActivity", "Thank you for using the WhetherWeather App."); |
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/** | |
* Displays text to the user. | |
*/ | |
public class TextView extends View { | |
// String value | |
private String mText; | |
// Text color of the text | |
private int mTextColor; |
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/** | |
* Calculates the price of the order based on the current quantity. | |
* | |
* @return the price | |
*/ | |
private int calculate price(int quantity { | |
int price = quantity * 5; | |
return price; | |
} |
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