android programming for absolute beginners pdf

... Trang 2Robot Operating System for Absolute Beginners Robotics Programming Made Easy Lentin Joseph Trang 3Made EasyISBN-13 (pbk): 978-1-4842-3404-4 ... Apress titles may be purchased in bulk for academic, corporate, or promotional use eBook versions and licenses are also available for most titles For more information, reference our Print and eBook ... His true IT passions are security and Android He has been programming and teaching how to program with Android, Perl, PHP, Java, VB, Python, C/C++, and MySQL for more than 20 years He holds a Master

Ngày tải lên: 29/04/2020, 15:00

... the books and the number of books you want to purchase For individual orders, turn to the back of this book for more information Trang 4Programming ® Trang 5© 2001 by Prima Publishing All rights ... programmer for Meditech, a majormedical information systems software and service company, developing software for their client/server financial products He is a Sun certified programmer for the ... demonstrate programming concepts that you can apply to any kind of Java programming solution Many companies use Java because of its platform independence Another use of Java is to create applets for

Ngày tải lên: 03/07/2014, 05:20

... ^= in Java for Boolean logical operations, as well as <<= , >>= , and <<<= for bit shift operations These operations are out of the scope of this book For more information ... every forloop you’ve encountered counts forwards, but you can also write a forloop in such a way that it counts backwards You might want to do this in your Java programs in order to perform quicker ... NestedLoops * Demonstrates the use of nested for loops */ public class NestedLoops { public static void main(String args[]) { for (int i=0; i < 3; i++) { for (int j=0; j < 3; j++) { System.out.println(“[i][j]

Ngày tải lên: 03/07/2014, 05:20

... objects represent the cards The last character rep-resents the suit: C is for clubs, D is for diamonds, H is for hearts, and S is for spades The dealer’s hidden card is represented by the String ?? ... you learned about loops and exception handling You used for loops to count forwards and backwards You used them to loop on arrays and nested forloops to loop on multidimensional arrays You learned ... cardsarray Learning About Objects Object-oriented programming is one of the most important programming con-cepts you can learn Put simply, object-oriented programming is a way to orga-nize your programs

Ngày tải lên: 03/07/2014, 05:20

... seen the newkeyword before Anytime you create a new object, you use the newkeyword to allocate space in memory for the object and call its constructor You’ve seen this syntax before, now you know ... for this method is as follows: public static String valueOf(int i) It returns the Stringrepresentation of the integer argument passed to it You don’t need a specific instance of Stringto perform ... accept any arguments simply calls the other constructor, using default values for the parameters, to do the work for it: this(false, DEFAULT_COLOR, 0); This statement calls the workhorse constructor,

Ngày tải lên: 03/07/2014, 05:20

... placeholder for the deck of cards as it is being shuffled It is initialized to the same size as the cards array instance variable This initializes the Cardobjects in the shuffled array to null The forloop ... d = “Dealer’s Hand: “; String p = “Your Hand : “; for (int c=0; c < dealerHand.size(); c++) { d += (Card)dealerHand.elementAt(c) + “ “; } for (int c=0; c < playerHand.size(); c++) { p += ... doSomething(truck); Back to the BlackJack Game You’ve learned a great deal about object-oriented programming in this chapter Now you put this knowledge to good use by creating a text-based version

Ngày tải lên: 03/07/2014, 05:20

... familiar You’ve already used the methods of the WindowListenerinterface before, except that before now, you implemented them except for windowClosing(WindowEvent) as empty do-nothing methods Previ-ously, ... component’s events A component keeps a list of listeners that it informs when it triggers an event by calling one of its required methods For example, you already know that to be a WindowListener, a ... 6taken place, so as you perform actions on the window that pops up, pay attention to the standard output so you can know when each method is called Here is the source code for WindowEventTest.java:

Ngày tải lên: 03/07/2014, 05:20

... KeyEvent class for a full list Basically, these constants start with the letters VK (which stand for virtual key codes) followed by an underscore and a string representation of the key For instance, ... listener classes: MouseListener , which listens for mouse button trig-gered events and entry and exit events, and MouseMotionListener, which listens for the motion (change in pointer location) of ... InputEvent.BUTTON2_MASK , and InputEvent.BUTTON3_MASK This method also counts the clicks for the events A double-click, for example, will show up as (2x) This number is obtained by getting the getClickCount()

Ngày tải lên: 03/07/2014, 05:20

... I called mt.waitForID(0), which is a method that waits for the image specified by the int argument (the ID that is passed to addImage(int)) There is also a method for waiting for all images that ... it’s just a class in the java.netpackage that encapsulates a Uniform Resource Loca-tor It isn’t covered in this book, so for more information, consult the Java API documentation, which you can find ... demonstrates how to wait for an image to load This is done through the use of the MediaTrackerclass found in the java.awtpackage Here, I use the MediaTrackerclass to wait for the misty2.jpgimage

Ngày tải lên: 03/07/2014, 05:20

... No care is taken to look for NumberFormatException occurrences The default color when no arguments are passed is black, completely opaque Try running this applica-tion for yourself to get a better ... the fore-ground color and paints the whole canvas with it over the oval This is done so that you can see the level of transparency when you run the example. /* * ColorCanvas * Displays its foreground ... component’s foreground color is updated, and the component is repainted. /* * ColorChanger * A Panel with scroll bars that represent red, green, blue, * and alpha values that change the foreground

Ngày tải lên: 03/07/2014, 05:20

... responsible for getting a value thatis set by a different thread Because you can’t predict exactly when the value will be set, you need to determine whether the value has been set before you try ... Thread to Sleep You can pause a thread for a set number of milliseconds by calling the static Thread.sleep(long)method You will see the importance this feature has for ani-mation when you get to that ... print Here is the source code for SleepTest.java: /* * SleepTest * Demonstrates how to make a Thread sleep */ public class SleepTest extends Thread { public void run() { for (int i=0; i < 10; i++)

Ngày tải lên: 03/07/2014, 05:20

... variable cellsizeholds the size for each cell The total size of the BlockGridis cellsizetimes the number of columns for the width by cellsize, times the number of rows for the height The BlockGridcan ... Methods The BlockGridclass includes some methods for getting and setting BlockGrid member values, for adding and removing the block’s graphics, and for clearing the whole grid Table 11.2 lists the ... < size; c++) { for (int r=0; r < size; r++) { mRotateBuf[c][r] = matrix[r][last - c]; } } matrix = mRotateBuf; } 380 J a s o l ut n e Trang 4I included the lastvariable just for the sake of

Ngày tải lên: 03/07/2014, 05:20

... the work process for eventually building your own Android masterpiece www.it-ebooks.info CHAPTER 1: Preliminary Information: Before We Get Started Some History: What Is Android? Android was originally ... with the Android development tools  Which operating systems and platforms currently support development for the Android using these tools  The concepts and programming constructs for Java and ... download the Eclipse 4.2.1 Juno for Java EE IDE for Java Developers www.it-ebooks.info 10 CHAPTER 1: Preliminary Information: Before We Get Started Android SDK The Android software development kit...

Ngày tải lên: 23/03/2014, 03:20

... you might expect The plus sign (+) is used for addition, the minus sign (−) for subtraction, the forward slash (/) for division, and the asterisk (*) for multiplication Converting Variables Knowing ... Stacy Hiquet for getting me started on this project, and to Amy Pettinella for her help and encouragement Thanks to Kate Talbot for turning my mush into something readable, and for laughing at ... starting with such a simple program, you can focus your efforts on becoming comfortable with the programming environment With a debugging and programming package as complex as Visual Studio, starting...

Ngày tải lên: 31/03/2014, 16:42

... we’ll examine the Android platform and its components, to prepare for writing Android applications 39 41 Chapter Introducing the Android Software Development Platform The Android platform is a collection ... CHAPTER 1: Preliminary Information: Before We Get Started The Scope of This Book This book is an introduction to developing applications on Android It’s intended for absolute beginners that is, people ... conjunction with the Android development tools Which operating systems and platforms currently support development for the Android using these tools The concepts and programming constructs for Java and...

Ngày tải lên: 24/04/2014, 11:03

... Mac Programming for Absolute Beginners ■■■ Wallace Wang i www.it-ebooks.info Mac Programming for Absolute Beginners Copyright © 2011 by Wallace Wang All ... nothing about programming at all, this book is for you No matter what your skill level may be, you can learn how to write programs for the Macintosh starting today What makes programming for the Macintosh ... Apple’s programming tools in a hurry If you’ve never programmed before in your life or if you’re already familiar with programming but not with Macintosh programming, then this book is for you...

Ngày tải lên: 05/05/2014, 14:59

... constructor takes care of the rest The source code for UselessFrame.java is listed here: JavaProgAbsBeg-06.qxd 2/25/03 8:52 AM Page 180 Java Programming for the Absolute Beginner 180 can try is pressing ... are revisited in Chapter when you learn about graphics programming JavaProgAbsBeg-06.qxd 2/25/03 8:52 AM Page 186 Java Programming for the Absolute Beginner 186 FIGURE 6.5 This is a test of the ... JavaProgAbsBeg-06.qxd 2/25/03 8:52 AM Page 192 Java Programming for the Absolute Beginner 192 The TextAreaTest application is pretty straightforward You create four TextArea objects and display...

Ngày tải lên: 03/07/2014, 05:20

... Informative, Non-cost and Genuine! Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark JavaProgAbsBeg-12.qxd 2/25/03 8:58 AM Page 441 441 /** * Sets the color used for ... Live, Informative, Non-cost and Genuine! Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Creating Your Own Components and Packages /** * Sets the color used for shading ... appearance, int border_magnitude) { super(); if (wide < ABSOLUTE_ MIN_WIDTH) wide = ABSOLUTE_ MIN_WIDTH; if (high < ABSOLUTE_ MIN_HEIGHT) high = ABSOLUTE_ MIN_HEIGHT; setAppearance(appearance); setMagnitude(border_magnitude);...

Ngày tải lên: 03/07/2014, 05:20

... Display a form for users to enter new comments with public function showCommentForm($blog_id) { return

Ngày tải lên: 12/08/2014, 16:20

... you can’t it For the Newbie This book assumes you may have never programmed before The book is also written for someone who may have never programmed before using object-oriented programming (OOP) ... thousand students to become iOS developers, we have put together a formula for what makes students successful Here is our formula for success: ■ ■ ■ ■ ■ ■ ■ Believe you can it You’ll be the only ... uploaded Figure Free Objective-C webinars and YouTube videos Free Book Forum We have developed an online forum for this book at http://forum.xcelme.com, where you can ask questions while you are learning...

Ngày tải lên: 29/03/2014, 07:20