Applet Orchard

Android Development Tutorial 6

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Welcome to part 6 of my Android Development Tutorial! Over the next few videos I will cover a tremendous amount of information.

Here are just a few of the things I’ll cover over the next few videos: 

The TableLayout
Dynamically Fill ScrollViews
Save Key / Value Pairs
Review of ClickListeners
Using Intents to Open other Applications
Alert Dialog Boxes
Start other Activities and Pass in Information
Yahoo Web Service
YQL
AsyncTask
Threads
Parsing XML

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29 responses to “Android Development Tutorial 6”

  1. Shikhar Gupta Avatar
    Shikhar Gupta

    sir i m not getting any option to change/switch the layouts like relative to table or more as i am using studio version 2.2.3 pls can you help me with that

    Reply
  2. Real Estate Finder NG Avatar
    Real Estate Finder NG

    You have done some thing great for us thanks alot and God bless with more Grace Sir.

    Reply
  3. weszty vecsei Avatar
    weszty vecsei

    <TableRow
            android:id="@+id/tableRow1"

    you have 2 id with that name , it must be "@+id/tableRow4" for the last one , btw thx for the video explication 😉

    Reply
  4. Jennifer Hübner Avatar
    Jennifer Hübner

    I love your tutorials! I have to say, its so informative! 🙂 Thank you, Thank you, Thank you!

    Reply
  5. George Katsikopoulos Avatar
    George Katsikopoulos

    Hey Derek! 
    Great tutorial! I'm having a bit of a problem with the table rows! Whenever I click on the option Table Row the actual row that is given to me is a small box, instead of the whole row (as the video shows) 

    Hope you understood what I'm trying to say and I'm looking forward for your help 🙂 
    (Note: I'm using Android Studio instead of Eclipse but I don't think that's the problem)

    Reply
  6. Anshul Goel Avatar
    Anshul Goel

    Hey Derek,
    Your tutorials are very informative and very to the point….
    Helps me learn much more in much shorter time span.
    Thanks for all the work you are doing, I really appreciate the help and effort 🙂

    Reply
  7. Rannie Angelo Pinulan Avatar
    Rannie Angelo Pinulan

    Hey, i enjoyed watching your tutorials, i am wondering if you have tutorials that deals with android and sqlite database?

    Reply
  8. CGCrazy Avatar
    CGCrazy

    hello sir! These coding are pretty new for me. but I get little idea about them when you use them repeatedly. should I watch your Android development tutorial further as regular use of these  codes will comprehend their function or do I need to watch your other playlists to get the idea about these codes?   

    Reply
  9. Vallabh Ramakanth Avatar
    Vallabh Ramakanth

    android:StretchColumns is not working… 🙁
    It doesn't show it in the Graphical Layout…..

    Reply
  10. Mohammad Lahham Avatar
    Mohammad Lahham

    Dont get me wrong
    I love you man 😀

    Reply
  11. Chris Sun Avatar
    Chris Sun

    Hi Derek,
       Can you elaborate on ems? I looked it up online and saw that it controlled the width of the text view. Can you elaborate on what you meant by text view?

    Reply
  12. Chris Sun Avatar
    Chris Sun

    Hi derek,
        Long time no see. I was wondering for the yql console, do you know of any guides to the yql language? First thing I noticed was that yql has WHERE x In while SQL has Where x =

    Reply
  13. カラス Avatar
    カラス

    What does the "dp" in "5dp" stand for?

    Reply
  14. Mutlu Oldum Avatar
    Mutlu Oldum

    Thank you very much but I didn't understand some part.What do layout_span = "2" and layout_weight = "1" mean ? shouldn't there be a weightsum to use layout_weight? How they make the textview stretch the place that the buttons didn't use ?

    Reply
  15. 4dolfo Avatar
    4dolfo

    You are a gentleman and a scholar.  Thank you.

    Reply
  16. Bill Broughton Avatar
    Bill Broughton

    First I want to say, I think these tutorials are absolutely GREAT!  I think I am starting 8 today.  However, I did get an API error, Requires API 9 for "preferencesEditor.apply();".
    I did go to properties, but did not see how to change minimum API from 8 to 9.  Is there an easy way?
    Thanks again for these tutorials!

    Reply
  17. dudi partush Avatar
    dudi partush

    Derek you are awesome i love you tutorials!!

    Reply
  18. James Reynolds Avatar
    James Reynolds

    Hi Derek-
    Really appreciating the videos.  I love the speed of them; I'm learning very quickly which I definitely prefer!

    Quick question; what XML property caused the ScrollView to fill vertically?  I couldn't quite pinpoint that from the video, but that's an extremely useful property.

    Thanks!

    Reply
  19. Chris Sun Avatar
    Chris Sun

    Hi Derek,
       On the stock_quote_row.xml, would you need to assign both layout_weight and layout_span or just one would be fine. Doesnt both of these determine what the width is? 

    Reply
  20. Chris Sun Avatar
    Chris Sun

    Hi Derek,
       I am confused about the differences between "match_parent" and "wrap_content". In the table layout scrollview, why not assign both layout_width and layout_height to match_parent. Wouldnt you want your content inside the scrollview to take up the full width and height of the scrollview?

    Reply
  21. Chris Sun Avatar
    Chris Sun

    Hi derek, 
         what is the effect of putting android:layout_width="match_parent" on the text view in the 2nd row. I know that match_parent will make it set to the size of the parent, in this case, the entire row. But when i tested it out, the text view was still the same size.

    Reply
  22. Chris Sun Avatar
    Chris Sun

    Hi derek,
        thx for another great video. When you adjust the margins around your components, shouldnt that be padding bc thats what padding is, being the distance from your content to the border?

    Reply
  23. starreee123 Avatar
    starreee123

    Im hungry to learn android app. Course… but im 2009 B.E passed out can i make it…? Plz help me

    Reply
  24. Paul Cannon Avatar
    Paul Cannon

    Hey Derek my ADT has been having a problem. It doesn't allow me to use the properties editor to change properties. I have to go into the xml code and make the changes. For example if I click on … next to Background, it doesn't do anything. Do you know any possible reasons this is happening. Thank you for your help

    Reply
  25. Jeffrey Paula Avatar
    Jeffrey Paula

    I didn't have the padding option at 25:26. There was no 5 dp. I saw 46dip and a list of a bunch of different things like abc_action_bar..etc. So I just added it in manually in the source file since I couldn't find it the way you did it.

    Reply
  26. azaotl Avatar
    azaotl

    Hey Derek, thanks for this again.. I have a question.. what about the tool "Android Studio"? I was updating my sdk, and I saw this thing…. are you planning to make tutorials with it? thanks

    Reply
  27. Komlan Avatar
    Komlan

    I was wondering, is it better to have a xml string file for each activity,or one for everything is better. Because the more activity you have the messier it will be

    Reply
  28. Roberto Fabrizi Avatar
    Roberto Fabrizi

    I have two questions Derek: 1) why isn't eclipse auto-completion finding "android:layout_span"? Although it does work if I write it myself. 2) you set that value to two before setting the gravity. I tried to set the gravity first, and the textView didn't move from the left of the screen. Also, when you highlight that textView, its blue control box goes from the left to the right of the screen, while in my case it goes from the left to 2/3 ish of the screen, not all the way to the right…

    Reply
  29. invinciblekd Avatar
    invinciblekd

    Hi Derek, I just  have a question ! When you start writing android apps, do you like get an idea before itself that which Data strucutres or logic you are going to use on a particular App ? I love your approach in tutorials, that first you get ready with the front end of the app, prepare all necessary bits and pieces, e.g xmls, variables required etc. Finally you proceed to code to connect all the pieces together and hence the whole app start working just fine ! Just wanted to know if this is intentional OR this is your coding style ? I just kinda liked this style especially in developing apps ! Thanks a lot !

    Reply

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