I've just been working through this Android developers guide, but have just found this one also on the Android developer site, which appears to use different classes.
Which is the best one to use? (Neither have dates on, so it's not obvious which is newest.)
My app is for Android version 11+.
Both documents are the same thing - there is no version/time difference.
The first one is an in-depth reference and guide. Skim the first one to understand the general concepts of IAB. Then start reading the second one which is actually a tutorial on how to implement IAB in your app. The second one includes some helper classes which makes your life way easier. If you only want to read the first article and implement all features by yourself you are wasting time!
Note that the second article is actually based on a App Sample that is included in your sdk. Read the app line by line along with the second article you mentioned. You will master it in a day!
Related
I am attempting to follow the links on the developer console site to implement licensing for my application and am concerned that the docs don't really line up with the current technology. In part of the documentation, I was directed to a page that said the utility for doing this was no longer valid. I am simply looking to get licensing (lvl) setup for my app and am hoping somebody can point me to a good resource.
Here is where I stopped at, as I am not familiar with the whole project library import process. It sounds I need to run a command line to continue the process but I am not sure what one of the values needs to be.
I am not sure what the target ID is or if I just need to update the above mentioned properties file or what?
Docs seem to be a little confusing on this topic, or I've just simply missed the boat.
Thanks!
I am going to make my first app for android (no fear it's just a school project and won't be another useless app in the market :>).
So, before starting this task I did some tutorials, one of these (and which I thought would be very useful, because of the sqlite part) was the Notepad Tutorial. While working through it I saw it was originally designed for Android 1.8 or something (certainly it still worked on my android 4.1).
What I'm really wondering now is:
Is this code still "state of the art" in android programming (especially sqlite, but also the rest :) or is it "deprecated"? If so, can you point me to something newer and better?
Thank you.
SQLite is definitely still the database available by default on every Android device. Also, the basics covered in this tutorial still apply to any Android version. Of course, every new version of the OS also provides new possibilities as to which controls you can use or other new APIs, but for very simple applications, this tutorial is still valid.
I skimmed the article; most of its content seem to be valid for Android 4.x.
Although I don't think the tutorial mention fragments anywhere : they were introduced with Android 3.0.
I think that an important exercise after this tutorial is to read the fragment documentation; have a look at some samples (like the gallery app) and rewrite the notepad in order to use fragments.
You will have to use the Support Library in order to use fragments if the minimum version of Android supported by your app is inferior to Android 3.0 but I think it is also an interesting exercise.
A little tip : many beginners (and experienced devs also :) ) mistakes come from adding a new element in an app but forgetting to declare it in the manifest.xml.
I am new to Android but not to programming. I have taken C++ in school and we have been taught how to create objects, but not how to build robust programs using multiple objects. So you can see that using java to build Android apps leaves me with questions.....
thinking like an object oriented programmer, do i just shop through a list of classes until i find ones that i think would suite my app
is there a definite method of choosing the best classes for your project
do i find an app similar to the one i am trying to create and try to find what classes they used
any thoughts appreciated!!!!!!
The best way to learn (for me, at least) is by making small incremental changes to an example so I can how all the various elements of it work.
Download the examples (listed here) - but accessible from your AVD and SDK manager tool from within Eclipse (Window -> Android SDK and AVD Manager).
Start by modifying those examples. They are the best possible examples you can get for much of what you will want to do.
I'd recommend you start with Tutorials and also read about Application Fundamentals - they should get you started. Also browsing Classes is useful if you like wading through lots of technical docs (I do). Those three links are definitely worth looking at.
Well first when building Android applications you need to:
Figure out what your application will be, and how it would work.
Next you would need to find out how you will implement the android classes.
i would recommend first reading a book on Android development. One that really helped me and made me an advance developer was CommonsWare
You should really get these books. When you finish you will be well on your way.
New to Android. Trying to find docs that show what Android classes expect to elicit changes. For example, to make a keyboard always visible, I could find some info searching Google, but not directly in the docs of the SDK. Is there a source for more comprehensive docs on how Android works not just from the individual class level, but how it boots up and what to do to make small tweaks for an app.
I don't know if this would be what you're looking for, but here's some information on packages and classes
http://developer.android.com/reference/android/inputmethodservice/package-summary.html
I've been teaching myself Android for about a month now and the best reference I've found so far is the Android Developer site, especially under the References and Resources pages.
Hopefully that helps a little bit. Sorry I couldn't be of more help.
I am currently starting to create an app for a small charity company. But I'm not entirely sure how to properly learn how to code for the Android OS. I have searched online for tutorials, but most stop at the same stage and only show you how to launch the "helloWorld" app.
My question is this:
1) Will using solely XML be sufficient to code an app? Does it require working in partnership with Java?
2) Does anyone know of any books, recommended books of course, that break everything down for you step-by-step?
Android Developer site very good to give you all ideas. Start from Hello, World
1.) Not at all. XML is ONLY used for the layouts.
2.) There are a few books out there that I'm sure someone will come along and recommend, but I've found the tutorials here to be the best start.
In your case, I'd look at AppInventor which allows you to create small Apps without coding (at least that's what it says, haven't used it yet myself)
1) No, you can use XML for interface, but you can't write an Android app in XML :) You are not required to work with Java, but Android language is based on Java, so knowing Java is an advantage while learning to code.
2) Did you installed Eclipse and the plugin for Android?
The Android Training is pretty useful, and I've learnt a lot from the tutorials and the sample code provided there. (The Notepad app is way more complex than the Hello World tutorial ;)!).
Also, take a look at the answers on that question: How can I learn Android?