Android Development for Beginners 3

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In the next 2 parts of my App Inventor video tutorial I will take a step back and cover a bunch of topics in general. I’ll spend a lot of time showing how to use the App Inventor ActivityStarter. We’ll see how to open other App Inventor apps, browsers, email, Google Maps, YouTube and more.

I’ll also cover using lists, event handling, sliders, notifier, check boxes and much more. All the blocks I drew in the video follow below the video to help.


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49 responses to “Android Development for Beginners 3”

  1. Ogochukwu Ejeh Avatar

    Please how can I add a feature that allows a previous chat to be displayed on a page. Like 5 previous chats

  2. Shawns Programming Fundamentals Avatar

    The Bob Ross of YouTube tutorial videos! lol. You are awesome! I wish my teaching on my channel was half as good. Great job! And thank you!

  3. James Barone Avatar

    You are the best teacher I have ever seen, even compared to schools 🙂 Kudos

  4. TheWizardAlvin Avatar

    does not read or write to a file so is useless

  5. Mathingon Avatar

    I see the date on this tutorial is from 2014. It's a great tutorial but I can't find this functionality within Android Studio, does it exist?

  6. Satish Chopra Avatar

    you earned a subscriber. great tutorial Derek

  7. Laos V Avatar

    how can i get more feature showing in my Widget?

  8. anil sen Avatar

    how can use it on windows

  9. Mohamed Nashaat Avatar

    Finding your channel is like stumbling on a gold mine. You have no idea how easier my life is with all your awesome videos… You are a rock star my friend. The word thanks doesn't do you justice.

  10. TheHideoYamaguchi Avatar

    Nicely done Mr. Banas.

  11. anton ZIZIC Avatar

    guys who coded app inventor are insanely awesome. it just blew my mind. Nearly no need to code anything instead of just being able to think in a logical way. Just amazing. This tool make them (app inventor creators) deserving a nobel price of creativity. Discovering android development, it's amazing to see how people managed to make complex things become so simple. Would be curious to know how much building this tool has been chalenging !!!!

  12. Khalid Mushtaq Suddle Avatar

    Excellent. Thanks a lot for your tutorials. Awesome!!!

  13. keran1995 Avatar

    Thank you so much for uploading this videos! I just found them and I am learning a lot! Thank you for all the time and effort that you put into this and hopefully in a while I will be able to move on to the Android Studio thing hahaha

  14. sami ahmed Avatar

    hey Derek can i have 2 or more pages yessing app inventor

  15. Shubham Jairath Avatar

    Thanks Derek for these wonderful tutorials. I did alot of Java at my school and i was wondering to learn Android . You have made it possible for me and frankly as i did programming before i didnt find anything hard.. 🙂

  16. Harshal Solanki Avatar

    hey derek
    hw do i add a video in an app inventor app ?
    after inserting the video player in the designer section 
    what should b done in the blocks section ?

  17. kofi owusu Avatar

    Hello Derek , how can we view the real codes and can you recommend any good book

  18. Harigobind Pachat Avatar

    Can we photo editing app with this software..? Anybody please reply 🙂

  19. Matthew Freire Avatar

    Hi Derek. Love this set of videos – awesome work!

    I just have one question.  While developing one of my own apps, I stumbled upon an error stating the app can not be compiled. I have no triangle warnings in my blocks and the app is less than 5MB. Any idea on how to fix this?

  20. Im a Fox Avatar

    Hey Derek Im confused on this tutorial. Where exactly do I start. I dont even know what layouts and user interface I should put in before building my blocks. Are we only meant to watch you explain? lol Help thanks

  21. Jean Duclos Avatar

    you are the man :)!

  22. Joe M Avatar

    Hey there Derek, Great job on the videos…my question is this,on HorizontalArrangement3 and 4 how do you allow space between the buttons and the textbox's, so basically so it doesn't look so bunched together?  And really thank you for your time and effort to put all theses online class videos together, I'm a noob as a noob could be. Especially at 54 yrs young. 

  23. Mosaddek Mahdi Avatar

    where are the links for components

  24. Divyang Kapadia Avatar

    You are amazing….
    It seems, you are a gifted teacher. Thanks for sharing such fantastic tutorial. Good job.

    Do you have any tutorial of AI which deals with sqlite data base?
    Thanks in advance.

  25. MegaCatshat Avatar

    Hi i would like to follow this tutorial but i'm stuck. In the previous one you walked us through the designer part and now you just expect us to be able to copy yours. I'm just wondering if i missed something i am having trouble duplicating your layout.

  26. Joshua Bosley Avatar

    I must say your tutorials are very extensive and make it easy to understand for beginners like me. After making a couple apps do you have a video tutorial on how to put them on play store and charge money for them?

  27. Niraj Pandkar Avatar

    Hey Derek.. I have never made any android app and I was thinking about using app inventor but as I have knowledge about core Java programming on eclipse should I move on to your other android dev tutorials or first try this out.. Please let me know as soon as possible Thanks

  28. Galgamach Avatar

    Hi Derek. Do we need to study code too like the book you have in the description? 

  29. Pepsomo CG Avatar

    How do you zoom in and out? If you don't mind me asking?
    Is it your Screen Capture programme? Or is there actually a way to do that on google?

  30. HiredAssassin5 Avatar

    You really are awesome, these tutorials are amazing. Nothing like other videos I've been trying to find. Quick question, can you make complex apps with app inventor, such as apps that utilize a leaderboard. An example: https://play.google.com/store/apps/details?id=au.com.cpa.boardroomtycoon&hl=en

    In other words, can you make apps like that example, with app inventor? Thanks again for the tutorials.

  31. Matt Payne Avatar

    Again, really informative tutorials. I noticed you have "Android Development" videos as well as "Android Development for Beginners" videos. Are these aimed at different audiences? Or should I watch them both? I know core Java and I want a job in mobile development so I'm going to put together a portfolio of Android apps. I'll probably watch both regardless, because App Inventor seems really useful, but I'm curious about your intended audiences.

  32. Walt Can Avatar

    Great tutorials! I noticed that you are using an Apple computer in your videos. Is there something like app inventor to create iphone apps?

  33. Null Avatar

    Hi sir great tuts so far, I am curious about how to open new screen after clicking the item in the list picker.

  34. Claude Poliakoff Avatar

    App inventor certainly seems capable. After parts 1 & 2, I plan to download the App Inventor, & try some of your instructions, before proceeding to Part 3. Thanks Have you looked at the Nymi wristband EKG authentication project? They indicate their software is compatible with Android, Windows & MAC development languages. The only limitation with which I'm concerned is the potential authentication failure (+ or -) with people subject to cardiac arrhythmias.

  35. alexander shekhtman Avatar

    there is no error checkig, so if you attempt to remove an item not there,
    you get this error message:

    "Remove list item: Attempt to remove item 0 of the list (White Blue). The minimum valid item number is 1.
    Note: You will not see another error reported for 5 seconds."

  36. alexander shekhtman Avatar

    where is the layout instructions. but i still managed to get all the info during your zooms in and outs

  37. alexander shekhtman Avatar

    why cant you change the name of screen1 to whatever you like?

  38. alexander shekhtman Avatar

    it got the zombie installed and everything works! except, the text for the icon wraps around. how to make multi line text for the icon?

  39. al micheal cross Avatar

    AWESOME! thank you so much for doing this tutorial it helped me build my very first app. Seeing my app worked on my tablet increased my motivation to be an android programmer even though my family thinks that coding is a load of bullcrap =( …………many thanks again!

  40. News Box Avatar

    this is the what it says each time i click the button to open another screen. 'error 902: screen not found. screen 2 or screen i sent the button to. what is wrong . please am waiting for your reply

  41. News Box Avatar

    hello derek. its goodmorning here in turkey as at when am sending this message. i really don't know how to say this but i have carefully followed the steps in your tutorials on how to use appinventor components but some seem not to be giving me results. I used appinventor great enough to create a professional yellow page app for my province in turkey. The graphics and interface designs were all done by me combining your inkscape tutorials and the rest. Now here is the problem, i can't get the buttons to open another screen even after following your instructions on how to use multiscreens. I created a form where business owners can enter  their details and i can access it from my SQL DB but i had two problems. the list was created fine by me but when an item is picked from the list it does not reflect. when the screen initializes, the checkbox is just checked once and once u uncheck it and try to check it again it doesn't. please i need you to guide me on how to make this app work, what is your facebook username or anything that would allow us communicate real time as you guide me through this. i really need your help now. this is my college project and at the stage it is now has been approved by my supervisor so i need to get it done soonest. please i need your help. the buttons when you press them keeps saying 'error..file system failed, screen2 or the screen i sent the button to open cannot be found'. i am waiting your reply soonest. thank you sir

  42. Fawas Koya Avatar

    Hi i enjoy watching your videos as they are easy to understand and beautifully made 🙂 
    But I have one small question about the new list view feature that has been added in the user interface and my question is how to go to another screen while clicking on any of the text item in the list view component? thanking you in advance  

  43. Tommy Avatar

    Awesome tutorial as usual. I haven't watched the whole playlist yet, and I have a feeling that the question I'm about to ask will be answered in one of the videos, but I'll ask anyway:) Is there a way to remove the "About this application" information from the applications created in App Inventor ?

  44. 357chronic Avatar

    hello….i have a button and when click i wanna go to a next screen but…None of the components, variable definitions, and procedures that you define in one screen will be accessible from a second screen… help ?

  45. kyren rokx Avatar

    can we make complex apps like facebook messenger using it? n android app is made using java i suppose so can this app invntor be used professionally to make applications… thnks once more

  46. kyren rokx Avatar

    Thankx Derek for your fantastic attempts to guide beginners like us for android development. Your way of teaching is just superb and I have made simple application of my consultancy so that people may check their visa success rates… Thanks any way and MIT AI2 companion needs to hide keyboard whenever the textbox loses focus …. hehehe!! 

  47. kinjal vijekar Avatar

    Please help with camera application with gps and datetime . where datetime and latline should be displayed in the picture clicked

  48. Sizwe Mavuso Avatar

    Hello Derek. I am battling to load the R. Java file. I have tried loading it several times.But, will not work.Could this be because i am using the Eclipse_Kepler and not indigo? I have copy and pasted your code,but.There are a lot of errors/warning.So i cannot simulate anything. Please advise.

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