Windows Phone SDK Essential Training
Illustration by Don Barnett

Cloning a Windows Phone app


From:

Windows Phone SDK Essential Training

with Michael Lehman

Video: Cloning a Windows Phone app

Continuing on with our work in persisting data to isolated storage, let's convert the Sonnets app from using a flat XML file into using the onboard SQL CE database. In order to get ready to do that work we're going to do something that I do all the time, and something probably you'll need to do, which is to take an existing running Windows Phone app and copy it--a.k.a. clone--it and change the name and make it a new app. There are number of steps involved, so let's go through them one by one, and then we can verify that we have the new app under the new name, properly running in the emulator before we start making changes.
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  1. 2m 35s
    1. Welcome
      55s
    2. What you need to know to take this course
      51s
    3. Using the exercise files
      49s
  2. 15m 45s
    1. Downloading and installing the Windows Phone tools
      2m 44s
    2. Creating a Hello World application
      9m 32s
    3. Debugging on a Windows Phone device
      3m 29s
  3. 6m 29s
    1. Exploring device capabilities
      2m 58s
    2. Understanding the Emulator
      3m 31s
  4. 8m 51s
    1. Understanding the SDK
      8m 51s
  5. 41m 32s
    1. Introducing the converter
      3m 36s
    2. Creating the user experience (UX)
      13m 35s
    3. Responding to the Application Bar
      2m 40s
    4. Implementing click handlers
      3m 52s
    5. Saving and loading settings
      8m 18s
    6. Preparing your app for shipment
      9m 31s
  6. 20m 49s
    1. Introducing sonnets
      1m 38s
    2. Data binding with Silverlight
      4m 4s
    3. Exploring the Model-View-ViewModel pattern (MVVM)
      4m 3s
    4. Implementing the Master-Detail pattern using pages
      3m 53s
    5. Loading external data
      7m 11s
  7. 50m 27s
    1. Choosing a multipage controller
      3m 13s
    2. Preparing for persistence
      7m 30s
    3. Updating the data model
      7m 2s
    4. Creating the details page
      4m 30s
    5. Bringing it all together
      3m 58s
    6. Cloning a Windows Phone app
      6m 49s
    7. Using SQL CE
      8m 49s
    8. Updating the data model
      2m 24s
    9. Querying and updating the database
      6m 12s
  8. 14m 19s
    1. Working with the camera
      6m 11s
    2. Exploring GPS
      5m 21s
    3. Exploring the accelerometer
      2m 47s
  9. 29m 35s
    1. Introducing recording and playback with XNA
      45s
    2. Capturing sound
      5m 12s
    3. Providing feedback while recording
      5m 50s
    4. Playing a recording
      4m 34s
    5. Persisting a recording
      2m 58s
    6. Listing recordings
      5m 15s
    7. Managing the recording list
      3m 26s
    8. Recording under the lock screen
      1m 35s
  10. 28m 32s
    1. Building the UX
      3m 54s
    2. Using WebClient
      4m 1s
    3. Determining network connectivity
      2m 9s
    4. Leveraging Internet Explorer
      7m 56s
    5. Adding a live tile
      2m 42s
    6. Building a background agent
      7m 50s
  11. 14m 46s
    1. Hello World in C++
      4m 35s
    2. Libraries
      4m 17s
    3. Managed plus managed
      5m 54s
  12. 26m 36s
    1. Exploring built-in controls
      4m 28s
    2. Windows Phone Toolkit
      2m 42s
    3. Introducing Coding4Fun
      3m 14s
    4. Reminders and notifications
      6m 10s
    5. Wallet and In-App Purchase
      1m 34s
    6. File and protocol associations
      1m 59s
    7. Bluetooth
      44s
    8. Integrating speech
      1m 28s
    9. Near field communication (NFC)
      1m 23s
    10. WinRT and legacy Windows Phone APIs
      2m 54s
  13. 12m 15s
    1. Publishing your apps
      2m 49s
    2. Learning from apps in the Windows Phone Marketplace
      1m 23s
    3. Staying in touch with updates and new information from Microsoft
      2m 34s
    4. Looking at Windows Phone 7 app reviews
      44s
    5. Exploring web sites books and other useful links
      4m 45s
  14. 1m 34s
    1. Farewell
      1m 34s

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Watch the Online Video Course Windows Phone SDK Essential Training
4h 33m Beginner Jun 11, 2013

Viewers: in countries Watching now:

Discover how to build professional apps that encompass the 17 major feature areas of Windows Phone, from XAML to multimedia to network access. In this course, author Michael Lehman details the standard hardware device configuration, teaches how to navigate the development environment, and explores the Windows Phone APIs. The course shows how to build sample applications while learning Windows Phone concepts and frameworks, including the Metro design language.

Topics include:
  • Downloading and installing the tools
  • Understanding the SDK
  • Designing the user experience (UX)
  • Implementing commands
  • Data binding with Silverlight
  • Exploring the Model-View-ViewModel (MVVM) pattern
  • Loading external data
  • Capturing data from the camera, GPS, compass, and accelerometer
  • Recording and playing sound
  • Implementing persistence with isolated storage
  • Leveraging built-in tasks, choosers, and launchers
  • Expanding the available controls using the Silverlight and Coding4Fun toolkits
  • Cloning a Windows Phone app
  • Learning how to publish your app
Subject:
Developer
Software:
Windows Phone
Author:
Michael Lehman

Cloning a Windows Phone app

Continuing on with our work in persisting data to isolated storage, let's convert the Sonnets app from using a flat XML file into using the onboard SQL CE database. In order to get ready to do that work we're going to do something that I do all the time, and something probably you'll need to do, which is to take an existing running Windows Phone app and copy it--a.k.a. clone--it and change the name and make it a new app. There are number of steps involved, so let's go through them one by one, and then we can verify that we have the new app under the new name, properly running in the emulator before we start making changes.

Step number one is to open up the directory containing all of your source code files which probably still also contains a Bin directory and an obj directory. No matter what you do in changing all these source code files and rebuilding the solution, if you don't delete these two directories first, the emulator and the device are not going to load your code, so I'll delete those guys. Now we will go up one level, and we'll open up the solution and start the renaming process.

If we look in the code we'll see that we have a namespace of SonnetsPlusFlatFile. If we look in the WMAppManifest, we'll see we have Sonnets+FF and number of other changes that we need to make. So let's go to the Edit menu and select Find and Replace and select Replace in Files, and let's find SonnetsPlusFlatFile and replace it with SonnetsPlusDB, and be sure to open the Find options and select Look at these file types, and make sure you have *.* selected.

That way it will find all the instances of SonnetsPlusFlatFile. We'll do the Replace, and you should get 17 occurrences replaced if you're following along with the end of the code from the last movie. Now we can close this Find and Replace, that's part of it. Let's next rename the project SonnetsPlusDB, and let's rename the Solution, again to SonnetsPlusDB, and then let's open up Project Properties.

Here we're going to find a number of things that still say SonnetsPlusFlatFile, because Find and Replace can't find and replace inside here. So again, we'll change this to DB, and this to DB, and you will notice the Startup object is no longer selected, but if we click on this, here is the SonnetsPlusDBApp, which is the one we want. And let's also change the name of the Xap file, SonnetsPlusDB and then change the Title to Sonnets+DB and the title token for the Tile, once again to Sonnets+DB, and let's take a quick look inside Assembly Information.

Our Search and Replace got that, since that was in the assembly info.cs. So now we can save and close this, and we need to go take one more look at WMAppManifest, and let's make sure that that's in a state where we can see all the properties. So you see we've already changed because of the Project Properties dialog, here Sonnets+DB and here is Sonnets+DB. But let's also go ahead and change the Author to SonnetsPlusDB author and the Publisher to SonnetsPlusDB.

And finally, there's one more crucial thing that we have to do, and that is we have to change this ProductID GUID. Because if you have the ProductID GUID as we used for Sonnets+FF, the emulator or device will not even load the app on the device. So we'll delete that, and now we need to generate a GUID. So we have got two options to do that. If we look at our Windows Explorer here, the Windows 7 SDK includes a tool you're probably familiar with called guidgen. That's what we're going to use.

Go ahead and run that and select Registry Format, select New GUID and Copy, and then we'll go back to Visual Studio and paste it in. If you don't have guidgen, which is found in the Program Files Microsoft SDKs Windows v7.0A Bin directory. You could also go to the Windows Phone Marketplace, and as we can see here--at least at the time of our recording--there were five free applications that will also generate your GUID.

All right! That's all that we need to do in order to be able to clone a Windows Phone App. Now since we're also cloning Sonnets+SF into Sonnets+DB, we want to make one more change, and that's in the string in the About box, down here where we have the emailTask.Subject, so let's change that to DB also. And now let us just say a sure to wish to the clone gods, and we'll press F5.

This is what happens when we screw something up. When we have an app that has all of the things that are supposed to be changed, changed it just runs. In our case, we clearly missed something, so the way you know that it misses something is that it actually can't find the current app in order to change the IdleDetectionMode. So let's stop and take a look and figure out what we missed and then fix that up. So our first thing to do is once again try to delete the Bin and obj directories and see if that fixes it.

So let's go back to Windows Explorer, once again, we'll delete the Bin and obj directories, and we'll close this, and we'll give it another try. All right, we didn't stop there. The Emulator saying Hello, woo-hoo! We have now successfully renamed our app and cloned it, and we can prove that by coming back here and seeing there's a Sonnets+DB in the Application list.

We are going to have to remember to change the icon there so we can visually differentiate the two of them. We've now successfully cloned SonnetsPlusFlatFile into Sonnets+DB. So we're ready to move on and start looking at actually these onboard SQL CE database to read and write our data.

Find answers to the most frequently asked questions about Windows Phone SDK Essential Training .


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Q: This course was updated on June 10, 2013. What changed
A: This course was updated on June 10, 2013. Revisions include:
  • Over two dozen movies revised to reflect changes to Windows Phone 8 (released October 2012)
  • New instructions for downloading and installing to Windows Phone toolset
  • New instructions for working with Windows Phone 8 device data
  • New chapter on native development with C++
  • New chapter on advanced Windows Phone features including in-app purchasing with Wallet, reminders and notifications, Near Field Communication (NFC), and more.
 
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