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Android from A to D by Mr. Scott L. Hecht PDF

By Mr. Scott L. Hecht

ISBN-10: 1494807521

ISBN-13: 9781494807528

This ebook is a set of notes I created whereas studying Android programming that allows you to create my first Android app, «EquityYo! inventory and Fund Database». whereas i'm no Android programming genius (that a lot is certain!), i assumed it'd be a good suggestion to assemble jointly all of these tiny little programming information and tips Ive stumbled on alongside the way in which and position them in a single spot.
i don't declare that every thing during this ebook is a hundred% unique and that i totally admit to copy-and-pasting a number of tidbits from the Android documentation and stackoverflow.com. (The cash you're procuring this e-book is for the grueling six months it took me to benefit uncomplicated Android programming, code the examples, try all of them, learn difficulties and, eventually, write all of it down in a satisfying and, with a bit of luck, enlightening and edifying format.) With that stated, the entire examples proven within the e-book, in addition to the code, I created myself. for the reason that i'm an Android amateur, even if you could study Android programming by means of studying this selection of notes continues to be visible. Im convinced there are spots all through this e-book during which you are going to say «What are you speaking about?». Please drop me an electronic mail if this e-book has helped you out otherwise you have feedback to make it greater (see my e mail handle below).

It is believed that the reader has a few wisdom of programming, yet no wisdom of GUI or object-oriented programming is believed. additionally, no wisdom of Java programming is thought as chapters are devoted to introducing Java programming in addition to object-oriented programming.

If you think you've got chanced on an errors or disagree with considered one of my reviews or factors (very possible!), please be at liberty to drop me a observe at comments@sheepsqueezers.com. Dont omit to prevent through www.sheepsqueezers.com to get extra records and displays on a number of subject matters. additionally, please stopover at our YouTube channel: sheepsqueezersYT.

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Leave this set to activity_main. c. Navigation Type: Leave this set to None. d. Hierarchical Parent: Leave this blank. e. Title: This is the title that appears at the top of the device. Change this to First Android App. f. Click the Finish button to generate the application. Once Eclipse has completed generating the application from the information you placed in the wizard, you will see a screen similar to the following. Note that you will see a representation of an Android device (by default, a Nexus One) with the default screen generated by the Wizard.

This indicates that you do NOT have to instantiate the class in order to run the method. 0 Now, suppose your project requires that you not only keep track of car-specific information, but truck-specific information as well. You can probably see that both cars and trucks have the attributes exterior color and number of cylinders in common. While you can blindly create a Car class and a Truck class, does this make sense especially in light of the fact that several attributes and methods will overlap?

We'll look into this later on. We can also create two methods that will allow us to update (or set) these two attributes. These methods are called setters: public void setExteriorColor(String pExtClr) { exteriorColor = pExtClr; } public void setNumberOfCylinders(int pNumCyl) { numberOfCylinders = pNumCyl; } Notice that we made use of the keyword public for both the getters and the setters. This keyword indicates that, if you have access to the instantiated variable MyCar, the outside world can run these four methods.

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Android from A to D by Mr. Scott L. Hecht


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