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Flash Professional CS5: Creating a Simple Game for Android Devices
Illustration by Don Barnett

Creating the app (PC)


From:

Flash Professional CS5: Creating a Simple Game for Android Devices

with Paul Trani

Video: Creating the app (PC)

So, I am going to show you how you can go ahead and package up all of these files into an actual app file that can be distributed. So, I want to make an APK file. I'm going to use a couple of different things. I am going to use JAVA, I am going to use the Adobe AIR SDK, and I'm going to package everything up using the command line. Now, it sounds pretty complex, but it is fairly straightforward. But the first thing we need is we need to go ahead and get the Adobe AIR SDK. So go to Adobe.com, and you can just do a search for Adobe AIR SDK if you want, or the actual URL is adobe.com/products/air/sdk.
Expand all | Collapse all
  1. 1m 48s
    1. Welcome
      1m 0s
    2. Using the exercise files
      48s
  2. 7m 16s
    1. Understanding the user
      4m 2s
    2. Flash content on Android devices
      3m 14s
  3. 17m 28s
    1. Reviewing the game
      1m 50s
    2. Creating a file in Device Central
      5m 39s
    3. Reviewing the game structure
      8m 23s
    4. Adding code snippets
      1m 36s
  4. 36m 13s
    1. Animating the intro screen
      8m 13s
    2. Moving the player
      8m 13s
    3. Adding enemies
      6m 49s
    4. Adding movement
      4m 16s
    5. Adding chance and randomness
      8m 42s
  5. 34m 30s
    1. Adding lasers
      8m 14s
    2. Detecting collisions
      7m 57s
    3. Adding explosions
      6m 26s
    4. Removing assets from the stage
      8m 50s
    5. Adding audio
      3m 3s
  6. 33m 12s
    1. Adding scoring and levels
      7m 41s
    2. Subtracting lives and ending the game
      4m 26s
    3. Creating a results screen
      5m 8s
    4. Displaying the score
      6m 57s
    5. Saving and loading game results
      9m 0s
  7. 17m 14s
    1. Detecting movement with the Accelerometer
      6m 39s
    2. Using the swipe gesture
      4m 42s
    3. Using hardware keys
      5m 53s
  8. 23m 18s
    1. Handling exits and idle mode
      3m 31s
    2. Handling activation and deactivation
      6m 14s
    3. Optimizing graphics
      7m 14s
    4. Optimizing ActionScript
      6m 19s
  9. 34m 41s
    1. Creating the application files
      8m 23s
    2. Creating the app (Mac)
      5m 5s
    3. Creating the app (PC)
      7m 19s
    4. Publishing to an Android device (Mac)
      7m 7s
    5. Publishing to an Android device (PC)
      6m 47s
  10. 8m 56s
    1. Uploading to the Android market
      7m 7s
    2. Downloading from the Android market
      1m 49s
  11. 1m 22s
    1. Next steps
      1m 22s

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Flash Professional CS5: Creating a Simple Game for Android Devices
3h 35m Intermediate Feb 15, 2011

Viewers: in countries Watching now:

In Flash Professional CS5: Creating a Simple Game for Android Devices, author Paul Trani shows how to translate existing Flash skills from the web to mobile devices while designing a game in Flash and publishing it as an AIR for Android app. The finished application includes collision detection, random enemy creation and movement, shooting capabilities, multiple levels, and even a high score screen. This course also goes beyond game functionality and shows how to use mobile capabilities such as the accelerometer and gestures to control graphics, use the hardware keys to activate menus, and also how to optimize content so it plays well on mobile devices. Also included are instructions for distributing an app through the Android Market. Exercise files are included with the course.

Topics include:
  • Designing for mobile platforms
  • Creating and optimizing game graphics
  • Adding random movement and interactivity
  • Moving players based on the accelerometer
  • Using gestures
  • Detecting collisions
  • Implementing audio
  • Adding scoring and levels
  • Implementing a high score screen
  • Publishing an app on both Mac and Windows
  • Uploading to the Android Market
Subjects:
Developer Web Games Projects
Software:
Device Central Flash Professional Android
Author:
Paul Trani

Creating the app (PC)

So, I am going to show you how you can go ahead and package up all of these files into an actual app file that can be distributed. So, I want to make an APK file. I'm going to use a couple of different things. I am going to use JAVA, I am going to use the Adobe AIR SDK, and I'm going to package everything up using the command line. Now, it sounds pretty complex, but it is fairly straightforward. But the first thing we need is we need to go ahead and get the Adobe AIR SDK. So go to Adobe.com, and you can just do a search for Adobe AIR SDK if you want, or the actual URL is adobe.com/products/air/sdk.

And notice it does list out what it contains, and really what I want to use is I want to use the command line, this ADT tool, the Adobe AIR Developer tool. So, I am going to use ADT to package up those elements, all of those files. Okay, so, of course, I'm on a Windows machine, so just go ahead and click Download now for Windows. I've actually already done that. So, again, right here, this is what I have downloaded is this folder. Again, you will download a zip file and just unzip it, and this is what you get.

Luckily, you only need to be concerned about one file in here, and it happens to be in this bin folder. I will double-click on that, and that adt is what I need. In fact, what I am going to do is I am just going to go ahead and drag all of these files into this folder, because again, I am going to use this batch file to package up all of these files into one APK file. Now, I am going to do this using the command line as well as Java.

So, I first need to make sure Java is installed. So, I am just going to go to Computer, and I'll go into Local Disk, into your Program Files, and you should see Java in there. In fact, if I open that up, here is my jre6. And again, in this bin folder, you can see it's java right here. Or what you could do is you could just go ahead and search for java.exe. But again, I just want to be aware that it is there, and I want to be aware of the path to it exactly as well.

If you don't have Java installed for some reason, you can actually download the latest version from the Internet. But again, I can see that it's installed. I just want to be aware of where it is, because I need to do something with this path. I need to add it to my system file, so I am going to go ahead and just copy this path right here. And what I need to do is I need to go ahead and do a search for Advanced System Setting.

All right, so just do a search just by clicking the Windows icon, Advanced System Settings. So, that's what I need. It is in the Control panel. But this is just a quick way to get to it. You want to open up your Advanced System Settings. And I need to add that path to my Environment Variables. So, when I use the command line, my command line needs to know where that java.exe is. So I am going to select Environment Variables, and again, I want to be aware of that path and I quite frankly need to add it to the path, not PATHEXT, the path right here.

So, just select Path, double-click, and I need to add it, so I don't want to remove anything, please don't, but right down here at the end, just do a semicolon and then paste in that line. Again, it's pointing to that java.exe. Just paste in that line. You can see it right here, ;c clear down to that file. Once that's done, I will click OK. Click OK again. And again, there might be a chance that you already have that path added, so please review those various paths in there, just to make sure you don't.

But nonetheless, it is added now. I will go ahead and click OK, and now that's set up. So I can go ahead and close that window. And let's just move this off to the side, because what I want to do now is I am going to go ahead use the command line to package up everything. So again, click on the Start menu, and just do a search for 'cmd' for commandline. There is my executable. I'll go ahead and select it, and that will open up this command line window. So this is where we are going to get all of our work done. So, I what I want to do is I first need to target this folder.

So, I am going to change the current directory, so I am going to cd for current directory, desktop. What is on the desktop? Well, this folder is. I need to type in AdobeAIRSDK. I'm typing it exactly as it's listed here, caps and all, and then the bin folder, forward slash, just like that. Hit Enter and now I'm targeting this folder. Now, with all of those various files, especially the ADT batch file, I want to say adt, with that batch file, I need to package up and target an APK file.

So that's what I am going to make. The storetype, again, I am going to add the storetype because it is going to be a secure APK file I am going to make. Storetype is going to be pkcs12. That's the security for mycert.p12. Storetype is pkcs12 keystore mycerts.p12, again, that's the certification file. Everything is typed correctly, space, Invaders.apk is what I am going to make.

And now I can start listing out all of these files right in here that I want to package up with it. All right, so Invaders.app.xml Invaders. Again, I've got to be aware of my capitalizations in here. swf icon36.png icon48.png, and then there is icon72.png. All right, so keep in mind there is no spaces before these dashes and the word, and I'm just reviewing everything.

Everything looks pretty good. There is just a single space in between all of these file names. Everything looks good. So all I need to do is hit Return, and what it asks me for is the password. And again, that's a password that I used when I created this mycert file, so in this case it's Johnson. I've typed it in. Even though it doesn't show it in there, know that I did type it in. I will hit Enter. And then sure enough, what does it do? It creates that APK file, almost like magic. But this is great! So this is actually my packaged-up application, my app file for Android devices.

So I can go ahead and take this. I could quite frankly upload it to the Android market if I want to, but what I want to do with this now is go ahead and test it out on an actual Droid device.

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