XDATV Noter

AdamOutler · Apr 17, 2013

Introduction
Hey guys. I'm working on an Android application for XDATV. We've never really featured a fully functional application on XDATV before. I thought it was high time we did that.

Noter is a note taking application. It is a good representation of several basic Anrdoid APIs.

source & download
Subversion Repository: http://xda-adk.googlecode.com
Project Checkout: svn checkout http://xda-adk.googlecode.com/svn/trunk/EclipseProjects/xdatv-noter
Image of app: http://i50.tinypic.com/qs8ro8.png
App download: https://code.google.com/p/xda-adk/downloads/detail?name=XDATVNoter.apk

goals
Demonstrate proper coding style and development.
Introduce n00bs to app development.
Make an expandable single-class app which will have the ability to integrate into future projects.

Questions and Contributions
If you have a question, please ask. I am in no way, shape, or form an Android app development expert. I do java more than anything else, not so much with Android. If you've got something to contribute, please do! If you spot a problem in the code, then let me know and I'll give you credit on the SVN Commit.

Archer · Apr 17, 2013

I think this is an awesome idea. Many of the developers here don't know the Android framework but have worked with lots of C based languages, so picking up Java (if we need to) is not that big a deal. Hopefully this will be the kind of thing that we can follow and learn the OS and framework as we go along. I know it's ideal for me, being a 20 years Windows developer.

AdamOutler · Apr 17, 2013

Archer said:
I think this is an awesome idea. Many of the developers here don't know the Android framework but have worked with lots of C based languages, so picking up Java (if we need to) is not that big a deal. Hopefully this will be the kind of thing that we can follow and learn the OS and framework as we go along. I know it's ideal for me, being a 20 years Windows developer.

Yeah! That's the idea. Once the video is released I will publish it in the OP as well. I hope its understandable. If not, that's why we have this thread available.

alanwyl · Apr 17, 2013

The onclick view thing is handy:good:

klownk · Apr 17, 2013

hi adam! In the title of the video you mentioned testing, which i missed a little in the video. what methods or tools do you use for unit testing and stuff?

1031Vulcan · Apr 18, 2013

I'm sorry to clog up this thread with a post about help, but I couldn't find a thread for the series for tutorials Adam released about a year ago.

At around 8:34 in part one (http://www.youtube.com/watch?list=P...=31cxmLN09ss&feature=player_detailpage#t=513s), Adam adds a button to his test-app thing. It will not let me do this. It shows a no symbol over my cursor when I drag it over the display. I selected the .xml through res and layout just like he did. Only different thing I can tell I am doing is using 4.0 API instead of 2.3.

I have no experience with coding or doing work with Android so I apologize for any common mistakes.

AdamOutler · Apr 18, 2013

klownk said:
hi adam! In the title of the video you mentioned testing, which i missed a little in the video. what methods or tools do you use for unit testing and stuff?

Just the standard tools. A device and a device emulator.

ateeq72 · Apr 18, 2013

hi der!
is their any file named "notes.txt" is created.? if yes where can i find it?

and yeah thank you!.. am just a beginner and this helped me a lot!

Edit :

i also added "WRITE_EXTERNAL_STORAGE" permission in android manifest!
but still cant find noter.txt file anywhere as mentions in MainActivity.java file!

please help!

AdamOutler · Apr 18, 2013

1031Vulcan said:
I'm sorry to clog up this thread with a post about help, but I couldn't find a thread for the series for tutorials Adam released about a year ago.

At around 8:34 in part one (http://www.youtube.com/watch?list=P...=31cxmLN09ss&feature=player_detailpage#t=513s), Adam adds a button to his test-app thing. It will not let me do this. It shows a no symbol over my cursor when I drag it over the display. I selected the .xml through res and layout just like he did. Only different thing I can tell I am doing is using 4.0 API instead of 2.3.

I have no experience with coding or doing work with Android so I apologize for any common mistakes.

You have to drag it from the bar on the left. There are a set of controls over there which you can select and drag/drop.

ateeq72 said:
hi der!
is their any file named "notes.txt" is created.? if yes where can i find it?

and yeah thank you!.. am just a beginner and this helped me a lot!

Edit :

i also added "WRITE_EXTERNAL_STORAGE" permission in android manifest!
but still cant find noter.txt file anywhere as mentions in MainActivity.java file!
please help!

Its in /data/data/tv.xda.noter/files/notes.txt You need to be "Noter" or root to access this file.

tmka · Apr 18, 2013

Nice video, thanks!

Don't forget to close your output stream; probably more dangerous than forgetting to close an input stream if anything's buffered. Also it's maybe stylistic, but I much prefer Reader/Writer for textual data. If you like System.out style, you can do:

PrintWriter out = new PrintWriter(new OutputStreamWriter(openFileOutput(FILENAME, Context.MODE_APPEND)));

marty331 · Apr 19, 2013

Really great job Adam. I'm going to watch a second time tint and build the app along with the video, you have some points that are helpful that I hadn't thought of before.

Edit:

Adam, I just watched and built along with the video. What action did you do at 15:24, I can see you did something called Refactor, but I'm not familiar with it. Can you explain what it does and why you did it? Thank you!!!

Sent from my Nexus 7 using xda premium

AdamOutler · Apr 19, 2013

marty331 said:
Really great job Adam. I'm going to watch a second time tint and build the app along with the video, you have some points that are helpful that I hadn't thought of before.

Edit:

Adam, I just watched and built along with the video. What action did you do at 15:24, I can see you did something called Refactor, but I'm not familiar with it. Can you explain what it does and why you did it? Thank you!!!

Sent from my Nexus 7 using xda premium

I just moved some code into methods and changed some names. Refactoring means renaming or moving or a number of other operations. Basically, you clean things up with a refactoring. Refactoring is an operation the IDE does safely so when methods or variables move, all the calls point at the newly refactored method or variable.

marty331 · Apr 19, 2013

AdamOutler said:
I just moved some code into methods and changed some names. Refactoring means renaming or moving or a number of other operations. Basically, you clean things up with a refactoring. Refactoring is an operation the IDE does safely so when methods or variables move, all the calls point at the newly refactored method or variable.

Awesome, great to know. I'll try using this in the future!

A random package · May 7, 2013

Sweet tutorial! Will be using this as starting point for the app I want to develop. Quick issue though. When I first implement the OnClickListener, it has an error with 56 fixes available, the top two being imports. Which one of these do I pick? I see you chose something from a dropdown, but the video sped up and I can't see which one it was.

octobclrnts · May 8, 2013

A random package said:
Sweet tutorial! Will be using this as starting point for the app I want to develop. Quick issue though. When I first implement the OnClickListener, it has an error with 56 fixes available, the top two being imports. Which one of these do I pick? I see you chose something from a dropdown, but the video sped up and I can't see which one it was.

There are 2 common OnClickListener classes like you say, one of them is probably View.OnClickListener and the other DialogInterface.OnClickListener. Use the View.OnClickListener any time that you are attaching it to a widget in your normal layout. Use the DialogInterface.OnClickListnener any time you have created an AlertDialog and are listening to one of its buttons.

A random package · May 8, 2013

Sweet, thank you! :good:

pawan.dewani · Feb 18, 2014

File Location

Hey Adam
In the video you haven't mentioned how to choose the file location.
Please guide me on this.

Thanks

AdamOutler · Feb 22, 2014

pawan.dewani said:
Hey Adam
In the video you haven't mentioned how to choose the file location.
Please guide me on this.

Thanks

that's done in the fileinputstream portion. new FileInputStream("filename"), or you can do new FileInputStream(new File("filename", "/path/tofile"));

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