Android Application Development Tutorial - 34 - Implementing Classes for Better Programming

[learninjava]

fml its not writing it that is hard it is the debugging! idk y eclipse put in extra breaks when i copy & paste!

[f3f0f4]

FOR THE MOST PART!!!!!11

[GreenLifeInnovators]

@f3f0f4

I agree. If he says : "for the most part" one more time I think I will quit watching these tutorials

[raffivar]

Hm, i don't get it, he defined all the buttons in the baconAndEggs method, aren't they supposed to only be available there? why didn't we have to re-define in the onClick method? i mean, i know we removed the "final" identifier so we can access those variables from more than one method, but i thought we have to define them in every one of those methods o.O

[prasadisfat]

@raffivar He defined all the buttons at the top, ABOVE all the other methods. Things defined at the top are "global" and can be used in the other methods.

[raffivar]

@prasadisfat Yeah, that i know. i was just surprised that the changes you do to them in one method are kept in another..

[HandMekeysYouFuCoSkr]

"public class TextPlay extends Activity implements View.OnClickListener {"

[Mr1159pm]

I just started watching this clip but I don't like where this is going.

I thing the best method is to use private named listener classes, separate for each widget.

Unless it's prohibited in android

The switch or a bunch of nested ifs is a guaranteed pathway to a nervous breakdown with larger apps

IMO

[buildakicker]

I like this.

[Antila]

Thx for the better programming part, it helped me to make my own code a little bit nicer, for the most part.

[HandMekeysYouFuCoSkr]

@Antila Lol

[ThompZon]

This tutorial for the most part is good, except that for the most part were he say for the most part a little too much

[seopeter22]

my app says "it stopped unexpectedly. please try again [force close]" but there's no error. any solns? thanks in advance

[jessica507]

@seopeter22 I had that error too but it was because I didn't delete one of the earlier "final Button" types in baconAndEggs(). I only caught it because it was underlined in yellow. Do you see anything in your code that's underlined in yellow or even red?

[seopeter22]

@jessica507 i somehow fixed it long ago O_O;; i dont remember if there was anything red or yellow. but right now nothings red or yellow. what's underlined in red??

[jessica507]

@seopeter22 That just means there's either a spelling error or a syntax error.

[mhc4124]

If this Guy says "for the most part" one more f***ing time I will. Lose. My. Shit. Doesn't he have someone that will tell him to stop. Hey Travis, it runs your tutorial, for the most part, when you say for the most part. See, it's important to remember, for the most part, that everything is composed of parts that take up the majority of the whole, for the most part.

[GregFoxDroid]

These are great! I have learned so much!...for the most part

[ErichLancaster]

@lumpyNifkin: Abstract Classes are not similar to interfaces. The definition of an interface is a 100% abstract class: a class where all methods are abstract.

[vasterhaninge]

just a tip: ctrl + space when writing a word

[zazzlescat]

is not sure that travis knows what his talking about for the most part 

[ErichLancaster]

@quanganht: Interfaces are classes too.

[lumpyNifkin]

@ErichLancaster Interfaces are not classes, you might be thinking of abstract classes which are similar to interfaces.

[bohterham]

i already know java, but this video is refreshing :D

[quanganht]

It's not correct here... We are implementing an Interface, not a Class

[PaT07M]

@quanganht

Is there any other difference between a class and an interface except that you have to implement all methods when using an interface and only the ones you'd like when integrating a class?

[quanganht]

@PaT07M It's basic Java. You can't create an instance of an interface. In an interface, all the methods have empty body, no attributes definition is allowed. And interfaces give decoupling abilities where classes don't have.

[mastermax7777]

@droidarmy95 source ? i meant to say legit

[iThaosTM]

Nice tutorials :D

I'm new to java so can anyone tell me why one doesn't refer to baconAndEggs(); as this.baconAndEggs(); since it is a method of that class? (I come from PHP).

[mangopearandapples]

@iThaosTM the method was created in the same class as the one you are referring it in. if the method was created in Menu.java and you're using the method in TextPlay.java then you would do Menu.baconAndEggs(); or something like that (it's not completely correct but I cant be bothered to do the whole code)

so basically you dont need to use 'this' most of the time. We actually used it in one of the tutorials without having too but it makes things alot clearer.

[iThaosTM]

@mangopearandapples hmmm so this has a different usage in Java. Alright thx for your time

[mangopearandapples]

@iThaosTM Uh.. I don't know how it's used in PHP but this is the same as the class you're using it in.

So if I used this.helloWorld() in Menu.java it would be the same as Menu.helloWorld()

[iThaosTM]

@mangopearandapples ...but in Java you *have to* use it while calling a method of the same class?

[mangopearandapples]

@iThaosTM nope. If you call a method in the same class that it was created, you dont have to use the class name or this

[iThaosTM]

@mangopearandapples OK clear. Thx :-)

[casvanmarcel]

For The Most Part For The Win !