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Figure 9.6 Upon opening a New Java file, an untitled1 editing window will open in the Jbed IDE. Enter the ObtainQuoteSpotlet code in the editor provided.
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In the new file editor provided (probably labeled untitled1 if it is your first new file see figure 9.6), type the following code.
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import com.sun.kjava.*; public class ObtainQuoteSpotlet extends Spotlet { public static void main (String args[]) { new ObtainQuoteSpotlet(); } }
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Save the code in a file named ObtainQuoteSpotlet.java. Save the code by selecting the Save or Save As options in the File menu. By default installation, Jbed locates the code in the \Java\Palm directory within Jbed s directory structure. However, source code can be located anywhere by adding the project folder to the SOURCEPATH section of the Jbed project properties file. So for example, if we had created a package, say com.ctimn.example for our Spotlet code, then the ObtainQuoteSpotlet.java will be stored in the directory \Java\Palm\com\ctimn\example\ObtainQuoteSpotlet.java. To compile the program ObtainQuoteSpotlet.java and insure the code was entered correctly, either select the Java menu and pick the Compile option or press Ctrl+L.
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Figure 9.7 After entering and saving the Java program in the text editor, compile the application by selecting the Compile option from the Java menu of the IDE. Compiler errors, if you have any in your Java files associated with the project, are displayed in Jbed s Log window.
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If you have errors in your code, they will be depicted in the log window. (figure 9.7) When you have successfully compiled, Jbed prints ok in the lower left-hand corner of the IDE s window. At this time, there is no other code or files to our application, so we can link it. To link the ObtainQuote project, select the Jbed menu option from the Jbed menu bar and select the Link option (or press Ctrl+Q). When finished with either a compile or link operation, it s a good idea to check the Log window. If this is not displayed in Jbed, open it by selecting the Open Log option in the Java menu. If successful in compiling and linking the ObtainQuoteSpotlet file and project respectively, the results in the Jbed log should look similar to those depicted in figure 9.8.
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Figure 9.8 Use the Link menu option in the Jbed menu to create the PRC that can be deployed to Palm OS devices. Results of compiling and linking activity also get displayed in the Log window. On a successful link operation, the size of the PRC file is displayed with the indication that the link is complete and the file was written.
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After completing the development of the ObtainQuoteSpotlet, take similar actions to create the RetrieveQuote application. To start, open the RetrieveQuote project and open another new file. In this file, enter the RetrieveQuoteSpotlet code.
import com.sun.kjava.*; public class RetrieveQuoteSpotlet extends Spotlet { public static void main (String args[]) { new RetrieveQuoteSpotlet(); } }
Save and compile the RetrieveQuoteSpotlet and then link the RetrieveQuote project as was done for the ObtainQuote case. Having completed the successful compiling and linking of the projects, take a peek at the Jbed directory on your system. You should see two new .PRC files in this directory structure (depending on how you have Jbed configured, the PRC files may be deposited elsewhere on your hard drive. See the Jbed documentation for more information). The PRC files are the application files destined for our device. Ordinarily, we would get ready to test, deploy and run these PRC files on the emulator and subsequently on the actual application. However, with no interface or action occurring in our Spotlets to this point, we will save this exercise for a little later. 224
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