So if we click on the first button with text “A”, then the text in the text view is going to change as “A is clicked” and similarly with other two buttons. The Three Buttons have the Text “A”,”B” and “C” respectively. I will be using one TextView and three Buttons in this App, such that the TextView shows us the name of the button on which we clicked. Its perfect for beginners to get started with this simple application. This App is simple and it just shows us on what Button we clicked. In this video, I will be teaching you to make a simple clicker application for Android. In this video, I will be teaching you how to create your first Android App in Java. You need some basic knowledge about Java to make an Android App. Watch this video till the end to be able to understand it completely. 18.Create Your First Android Application with Java in Android Studio Integrated Development Environment (I.D.E).The App that I will be making in this video is the simplest one and perfect for beginners. Click on Add External Class Folder button on the Libraries tab. Again right-click the project and select Properties and Java Build Path. Figure 33 - New "res" folder We will need to add this directory to the class path so that all our resources are located. Copy the pong.png image to the res folder. Highlight the project and create new folder New Folder. Select Run As Java Application You will see the following expected error message: Table 8- Eclipse console error message Exception in thread "LWJGL Application" .gdxruntimeexception: Couldn't load file: pong.png at .pixmap.(pixmap.java:140) at .texturedata$factory.loadfromfile(texturedata.java:98) at .texture.(texture.java:100) at .texture.(texture.java:92) 21Ģ2 at .(viewimage.java:18) at .(lwjglapplication.java:143) at .lwjgl.lwjglapplication$1.run(lwjglapplication.java:120) Caused by: .gdxruntimeexception: File not found: pong.png (Internal) at .filehandle.read(filehandle.java:136) at .filehandle.readbytes(filehandle.java:222) at .pixmap.(pixmap.java:137). Figure 31- Eclipse run icon Figure 32 - Run As dialog 14. Try to run the program (I know it will not work since we have not placed the pong.png image in a location that it can be found). * Lorraine Figueroa */ import import import .filehandle import .gl20 import .g2d.spritebatch import .texture public class ViewImage extends Game 20Ģ1 13. Create a new class ViewImage with the contents as shown below: Table 4 - ViewImage.java /** * Write a description of class ViewImage here. Create a new project called ViewImage 20. Close the old HelloWorld project if it automatically opened up. Figure 18 - Moving LibGDX jar file into BlueJ 18. Copy the jar file noted above into the BlueJ \lib\userlib folder. I will place it at C:\LibGDX You will find several jar files in the folder you extracted the zip file into: 9ġ1 17. Unzip the contents of the zip file into a location we will use to add LibGDX to all our projects (and across IDEs). Figure 15 - Downloading the latest LibGDX zip file 15. Figure 14 - LibGDX banner The Java framework library can be used to create programs for desktops, Android devices, ios and HTML Click the Download icon and head over to the Releases download folder and find the latest file in the format libgdx-x.x.x.zip. Head over to to download the jar file for the LibGDX library. Figueroa USER INSTRUCTIONS: N If you plan on using BlueJ I highly recommend that you obtain the reference manual at and spend 15 to 20 minutes going over it in order to get an idea what features the IDE has and for future reference. 8ĩ Table 3 - Update README.TXT file PROJECT TITLE: HelloWorld PURPOSE OF PROJECT: This is a test project to get acquainted with BlueJ VERSION or DATE: HOW TO START THIS PROJECT: Execute the main in the class HelloWorld AUTHORS: L. The comments should usually include at least: PROJECT TITLE: PURPOSE OF PROJECT: VERSION or DATE: HOW TO START THIS PROJECT: AUTHORS: USER INSTRUCTIONS: A good programmer will make sure that the README.TXT is updated and accurate so that years from now others will be able to find out the purpose of the project and know how to execute it. Tell the reader (someone who does not know anything about this project) all he/she needs to know. 8 Figure 13 - Our Hello World Project The original contents of the README.TXT file is shown below: Table 2 - Original README.TXT file This is the project README file.
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