Netbeans/C2/Integrating-an-Applet-in-a-Web-Application/English-timed
From Script | Spoken-Tutorial
Revision as of 10:00, 1 July 2014 by PoojaMoolya (Talk | contribs)
| Time | Narration
|
| 00.01 | Hii everyone. |
| 00.02 | Welcome to the tutorial on Integrating an Applet in a Web Application |
| 00.08 | The application that you build in this tutorial shows you how to build and deploy applets in the Netbeans IDE. |
| 00.16 | If this is the first time you are using Netbeans, please view the tutorials, |
| 00.21 | Introduction to Netbeans, to get started with the IDE. |
| 00.25 | Also view the tutorials Developing Web Applications and Designing GUIs on Netbeans |
| 00.32 | to get familiarised with the IDE. |
| 00.36 | All the above tutorials can be viewed on the spoken tutorial website |
| 00.41 | For this demonstration, I am using the Linux Operating System Ubuntu v11.04 and Netbeans IDE v7.1.1 |
| 00.55 | In this tutorial, we will |
| 00.57 | Create an Applet |
| 00.59 | Run the Applet; and
|
| 01.02 | Embed the applet in a web application |
| 01.05 | Let us now launch the IDE to create our project.
|
| 01.10 | Go to File>New Project and create a Java Class Library
|
| 01.17 | Click Next'
|
| 01.19 | Give your Project a name |
| 01.21 | I will name my Project as SampleApplet. |
| 01.26 | Set the Location to any directory on your system
|
| 01.30 | And Click Finish to create your project |
| 01.34 | Let us Next create the Applet Source File |
| 01.39 | Right-Click on the SampleApplet project node |
| 01.42 | and choose Properties to open the Properties window.
|
| 01.47 | Select the desired Source and Binary Format for the project.
|
| 01.53 | This is to make sure if the correct version of the JDK has been chosen. |
| 01.59 | For example, if you choose the latest version of JDK, |
| 02.04 | then the applet might not run on machines that have an older version of the Java browser plugin.
|
| 02.10 | I will select the latest version of JDK since my browser supports the latest version of the java browser pluggin |
| 02.19 | Click on OK |
| 02.21 | Right-Click again on the SampleApplet project node |
| 02.25 | and select New >Applet |
| 02.29 | If you do not find the applet option in this contextual menu, Click on Other |
| 02.35 | Under Categories, select Java. |
| 02.38 | And Under File Types, select Applet to create an Applet |
| 02.43 | Give the Class name as Sample and the Package as org.me.hello |
| 02.55 | Click Finish
|
| 02.57 | The IDE creates the applet source file in the specified package.
|
| 03.02 | You can expand the Source Package node in the Projects window to see this.
|
| 03.08 | The Applet source file opens in the source editor.
|
| 03.12 | Let us now define our applet class.
|
| 03.17 | I have the code for a simple applet,
|
| 03.21 | that sets the background color to cyan,
|
| 03.24 | the foreground color to red,
|
| 03.27 | and displays a message that illustrates the order in which the methods in the applet,
|
| 03.34 | i.e. the init() method, the start() method, and the paint() methods are called, when the applet starts up.
|
| 03.43 | I will copy the entire code on my clipboard and paste it over the existing code in the IDE.
|
| 03.54 | Right-Click on the Sample.java file in the Projects window,
|
| 04.00 | and choose Run File from the contextual menu.
|
| 04.04 | The Sample.html launcher file, with the applet embedded, is created in the build folder,
|
| 04.13 | which you can see in the Files window. |
| 04.15 | Sample dot html file |
| 04.18 | The Applet is also launched in the Applet viewer. |
| 04.23 | With the message display on the screen |
| 04.27 | Let me close the appletviewer |
| 04.29 | And let us next embed the Applet in a Web Application |
| 04.33 | So that we can make the applet available to the user
|
| 04.37 | To do so, we create a Web Application, |
| 04.42 | Under Categories select java web and under Projects select Web application |
| 04.48 | and Click Next
|
| 04.50 | We wll name our Project as HelloSampleApplet and |
| 05.01 | Click Next |
| 05.03 | See if the correct server is selected and click Finish to create your Project
|
| 05.12 | Note that, when we add the Java project SampleApplet to the web project HelloSampleApplet |
| 05.20 | we enable to IDE to build the applet whenever we build this web application. |
| 05.26 | Therefore, when we modify the Sample dot java applet
|
| 05.34 | the IDE builds a new version of the applet whenever this is built.
|
| 05.40 | Now In the Projects window, right-click the HelloSampleApplet project node, |
| 05.45 | and Click on Properties |
| 05.49 | Our applet is in a Java project, |
| 05.52 | To add the Jar file select the Packaging option from the menu on the left side of the window |
| 05.59 | click on Add Project and select the java project that contains the Applet class |
| 06.05 | In this case it is SampleApplet
|
| 06.09 | Click on Add Project Jar Files |
| 06.14 | The JAR file containing the applet source file is now listed in the table |
| 06.20 | Click on OK
|
| 06.24 | And let us build the HelloSampleApplet project now by right clicking on it in the Projects Window
|
| 06.31 | and selecting Clean and Build options |
| 06.36 | Now when this project is built the applets Jar file is generated in the original SampleApplet Project |
| 06.45 | Go to the Files Window expand the HelloSampleApplet Project node
|
| 06.51 | Under build and web folder |
| 06.54 | You can see that the jar file has been added |
| 06.58 | Now Let us next embed the applet in a HTML file,
|
| 07.02 | Go back to the Project Window, right-click on the HelloSampleApplet project node, |
| 07.09 | choose New and select the HTML file option |
| 07.13 | If you cannot find the HTML option in this contextual menu |
| 07.18 | Click on Other |
| 07.21 | Select Web under Categories and select HTML under File Types and click Next |
| 07.29 | Give your Html file a name |
| 07.32 | I will name the file as MyApplet and Click on Finish.
|
| 07.40 | The next step is to enter the applet tag in between the body tags in MyApplet dot html file
|
| 07.48 | I have the applet code here
|
| 07.51 | Let me copy it onto my clipboard and paste it in between the body tags in the html file |
| 08.03 | The Next step is to run the html file |
| 08.07 | Right click on MyApplet dot html in the project windows and select Run File |
| 08.14 | The server deploys the html file in the IDE default browser |
| 08.25 | Now the server as deploy the html file in the IDE's default browser |
| 08.30 | You can see the message displayed across the screen |
| 08.36 | Now to the assignment |
| 08.38 | As your assignment create another simple banner applet in the IDE,
|
| 08.43 | where the applet scrolls a message across the applet's window.
|
| 08.49 | Embed your applet in a web application, |
| 08.52 | and add JAR files to the web project and, |
| 08.56 | finally create and run the HTML file. |
| 09.00 | I have created my own moving banner applet |
| 09.04 | Let me open the project and run it |
| 09.18 | You can see that the applet has opened with the message scrolling across the Window |
| 09.28 | Watch the video available at the link shown on the screen. |
| 09.32 | It summarizes the Spoken Tutorial project. |
| 09.36 | If you do not have good bandwidth, you can download and watch the videos. |
| 09.41 | The Spoken Tutorial project team conduct workshops using Spoken Tutorials.
|
| 09.46 | Gives certificates to those who pass an online test.
|
| 09.51 | For more details please write to contact@spoken-tutorial.org
|
| 09.58 | Spoken Tutorial Project is a part of the Talk to a Teacher Project |
| 10.04 | Supported by the National Mission on education through ICT, MHRD, Government of India |
| 10.11 | More information on this mission is available at spoken-tutorial.org/NMEICT-Intro |
| 10.22 | This tutorial has been contributed by IT for Change
|
| 10.27 | Thank you for joining us. |
