Feb 05, 2019 Eclipse, a Windows only program, is a piece of application development software used to create applications for the Android operating system. Sometimes finding the right location to download the program from online can be difficult, in addition to having a way to compare and contrast different version of the program. For developing the android application using eclipse IDE, you need to install the Eclipse. You can download it from this location download the Eclipse. Eclipse classic version is recommended but we are using the Eclipse IDE for JavaEE Developers. 3) Download and install the android SDK First of all, download the android SDK. Eclipse android free download - Fortnite, Twilight Eclipse Trivia (Android), Eclipse Classic (32 bit), and many more programs.
- Android Basics
- Android - User Interface
- Android Advanced Concepts
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- Android Useful Examples
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Set-up Android SDK
You can download the latest version of Android SDK from Android official website − Android SDK Downloads. If you are installing SDK on Windows machine, then you will find a installer_rXX-windows.exe, so just download and run this exe which will launch Android SDK Tool Set up wizard to guide you throughout of the installation, so just follow the instructions carefully. Finally you will have Android SDK Tools installed on your machine.
If you are installing SDK either on Mac OS or Linux, check the instructions provided along with the downloaded android-sdk_rXX-macosx.zip file for Mac OS and android-sdk_rXX-linux.tgz file for Linux. This tutorial will consider that you are going to set up your environment on Windows machine having Windows 7 operating system.
So let's launch Android SDK Manager using the option All Programs > Android SDK Tools > SDK Manager, this will give you following window −
Once you launched SDK manager, its time to install other required packages. By default it will list down total 7 packages to be installed, but I will suggest to de-select Documentation for Android SDK and Samples for SDK packages to reduce installation time. Next click Install 7 Packages button to proceed, which will display following dialogue box −
If you agree to install all the packages, select Accept All radio button and proceed by clicking Install button. Now let SDK manager do its work and you go, pick up a cup of coffee and wait until all the packages are installed. It may take some time depending on your internet connection. Once all the packages are installed, you can close SDK manager using top-right cross button.
Set-up Eclipse IDE
All the examples in this tutorial have been written using Eclipse IDE. So I would suggest you should have latest version of Eclipse installed on your machine.
To install Eclipse IDE, download the latest Eclipse binaries from https://www.eclipse.org/downloads/. Once you downloaded the installation, unpack the binary distribution into a convenient location. For example in C:eclipse on windows, or /usr/local/eclipse on Linux and finally set PATH variable appropriately.
Eclipse can be started by executing the following commands on windows machine, or you can simply double click on eclipse.exe
Eclipse can be started by executing the following commands on Linux machine −
After a successful start up, if everything is fine then it should display following result −
Set-up Android Development Tools (ADT) Plug-in
This step will help you in setting Android Development Tool plug-in for Eclipse. Let's start with launching Eclipse and then, choose Help > Software Updates > Install New Software. This will display the following dialogue box.
Now use Add button to add ADT Plug-in as name and https://dl-ssl.google.com/android/eclipse/ as the location. Then click OK to add this location, as soon as you will click OK button to add this location, Eclipse starts searching for the plug-in available the given location and finally lists down the found plug-ins.
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Now select all the listed plug-ins using Select All button and click Next button which will guide you ahead to install Android Development Tools and other required plug-ins.
Create Android Virtual Device
To test your Android applications you will need a virtual Android device. So before we start writing our code, let us create an Android virtual device. Launch Android AVD Manager using Eclipse menu options Window > AVD Manager> which will launch Android AVD Manager. Use New button to create a new Android Virtual Device and enter the following information, before clicking Create AVD button.
If your AVD is created successfully it means your environment is ready for Android application development. If you like, you can close this window using top-right cross button. Better you re-start your machine and once you are done with this last step, you are ready to proceed for your first Android example but before that we will see few more important concepts related to Android Application Development.
Essential Guide
- Mobile app security and development tools
- Mobile application development terms
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In this tutorial, you will learn to create a simple application of a game we all used to play when we were kids, Rock Paper Scissors. As easy as it might seem, it requires some hard work on your part before you can create an app that runs without errors. If you are reading this tutorial, it means you are probably new to the Android app development field. Don't worry -- we will divide this tutorial into different parts to make it easy for you.
Set up the Android development environment
Setting up Android development environment takes some time at first. It helps to make sure you don’t do anything wrong to save yourself from the agony of doing the whole process again.
You're required to have Windows XP or later, or Mac OS X 10.5.8 or a later version to start Android application development process. Then, there are four tools that you will need and they are available on the Internet for free:
- Java JDK5 or JDK6
- Eclipse IDE for Java Developers (optional)
- Android Development Tools (ADT) Eclipse Plugin (optional)
Step 1: Setup Java Development Kit (JDK)
You can download the JDK and install it, which is pretty easy. After that, you just have to set PATH and JAVA_HOME variables to the folder where you have java and javac.
Note for Windows Users: If you installed the JDK in C:jdk1.6.0_15 then you will have to add the following two lines in your C:autoexec.bat file.
set PATH=C:jdk1.6.0_15bin;%PATH%
set JAVA_HOME=C:jdk1.6.0_15
set JAVA_HOME=C:jdk1.6.0_15
Step 2: Configure Android SDK
After you have successfully installed the Android SDK, it is time to configure it. After installing the Android SDK, you will get a window like this:
Just de-select the Documentation for Android SDK and Samples for SDK packages if you want to reduce the installation size and time. Click on Install 7packages to continue with the installation. You will get a dialogue box like this:
It will take some time to install, so in the meanwhile you could do some other task to kill the time. How long will it take? Well, it depends on the speed of your Internet connection. Once it is done, you can close the SDK manager.
Step 3: Setup Eclipse IDE
Install the latest version of Eclipse. After successful installation, it should display a window like this:
Step 4: Setup Android Development Tools (ADT) Plugin
Here you will learn to install the Android Development Tool plugin for Eclipse. To do this, you have to click on Help > Software Updates > Install New Software. This will display the following dialogue box.
Just click on the Add button as shown in the picture and add https://dl-ssl.google.com/android/eclipse/ as the location. When you press OK, Eclipse will start to search for the required plug-in and finally it will list the found plug-ins.
Step 5: Create Android Virtual Device
The last step is to create Android Virtual Device, which you will use to test your Android applications. To do this, open Eclipse and Launch Android AVD Manager from options Window > AVD Manager and click on New which will create a successful Android Virtual Device. Use the screenshot below to enter the correct values.
Voila! You have successfully created Android Application Development environment. You are now ready to create a simple Rock Paper Scissors Android App.
Before we write the code, you need to know how to take input from the user. The most efficient way of taking input from the user is to use the Scanner class, which is found in the java.io package as it is just a two-step process.
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I recommend using the Scanner class because it works equally well on command line as well as with Eclipse that we will use to make the Rock Paper Scissors app.
Calling the Java code in Eclipse
We will save you the trouble of writing the java code for a simple Rock Paper Scissors app and use can use the code below, but you are free to use your own code if you prefer.
Now calling the Java code in Eclipse is a tricky process and it helps to pay attention while you're doing this. Launch Eclipse and click File > New > Java Project
When the Create a Java Project box appears, it's time to give your project a name. Click on Finish to save it and it should appear in the Package Explorer window. Then we are supposed to add a package which will contain all our package files. Click on New Java Package icon to do this, as shown in the screenshot below.
Name your project and then click Finish.
Now we need to add a Java Class, which is as easy as adding a Java Package.
After giving it a name, make sure that the following options are checked:
After you create a new class, it will show up in the Work Space where you can write or copy the code.
Congratulations! You have just finished writing your first Java Application in Eclipse. It wasn’t that difficult was it?
Now you need to build the application and to do this, Right Click on your Android Project and select Android Tools->Export Signed Application Package. After selecting the export button, select Create new keystore and it will take you to the location where you want to save it, so give it a name and save it. Fill in all the required fields that are self-explanatory and save it. You have successfully exported the apk file to your computer and you can test the app it on your android device.
Testing
Testing is as important as developing the app because your app will be of no use if it doesn't run properly or shows errors. Luckily, there is an integrated testing framework in Android Framework, which you can use to test all the aspects of your application. SDK tools can also help set up and test applications. SDK will help you test different aspects of your app no matter if you are planning on running your tests within an emulator or any Android device.
I will recommend using ADT for the testing process, as it is comparatively easier than the other tools. Using ADT, you can easily create a test project and link it to the application under test. The great thing about the ADT is that it automatically adds the necessary
<instrumentation>
element in the test package's manifest file.To create a test project in Eclipse with ADT
Launch Eclipse from the Start Menu and click on File > New > Other and from the drop-down menu, click on Android Test Project, then at the bottom of the dialog click Next. Enter any name you want and in the Test Target panel, set An Existing Android Project and browse to the Rock Paper Scissors app you made. Now you should be able to see the wizard completing the Test Target Package, Application Name, and Package Name fields for you.
Choose the Android SDK platform from the Build Target Panel that the application to be tested is using. Click the Finish button to complete the Wizard and if it is disabled, look for error messages at the top to fix any problems.
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If you are looking for a step-by-step guide to Android testing, you will find this Activity Testing Tutorial very useful.
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