This tutorial shows you how to develop your first Android application and run it on the DACU platform.

Start the system as described in the [[DacuIndustrial_Tablet#.22Normal.22_mode | Running Android in "normal mode"]] section. {{ImportantMessage|text='''The default IP address is 192.168.0.122'''}} 

and start your preferred terminal emulator, as described in the [[DacuIndustrial_Tablet#.22Full_control.22_mode | Running Android in "full control mode"]] section.

Start a connection through the Android Debug Bridge as described in the [[DacuIndustrial_Tablet#Running_the_Android_Debug_Bridge_.28ADB.29 Running_the_Android_Debug_Bridge | Running ADB]] section. Please note that setting the correct IP address on the target and is mandatory to make ADB work.

Launch the Eclipse IDE and start the AVD Manager to create a DACU emulator. To do that: # click on "Window" on the top menù# select "AVD Manager"# on the "Android Virtual Device Manager" window, click on "New" and create a DACU emulator with the following settings:#* Name: DACU #* Target: Android 2.3.3 - API Level 10#* CPU/ABI: ARM (armeabi)#* SD Card: Size 4 GB#* Skin: Resolution, 800x480# click on "Create AVD" Please refer to the following pictures: <gallery widths=400px perrow=3 caption="Creation of a DACU virtual device">File:Tutorial-android-avd-1.pngFile:Tutorial-android-avd-2.pngFile:Tutorial-android-avd-3.png</gallery> ==== Create the application ==== Follow the instructions provided on the [http://developer.android.com/training/basics/firstapp/creating-project.html Creating an Android Project] page to create a new project. The default project includes a simple application skeleton which runs a simple Activity which shows the "Hello Android" message. You can extend this application adding some other features. When you are comfortable, you can jump to the next step.

 <gallery widths=400px perrow=3 caption="Creation of the default application">File:Tutorial-android-new project-1.pngFile:Tutorial-android-new project-2.pngFile:Tutorial-android-new project-3.pngFile:Tutorial-android-new project-4.pngFile:Tutorial-android-new project-5.pngFile:Tutorial-android-new project-6.png</gallery>

To launch the application on the DACU emulator: # click on "Run" on the top menù# select "Run Configurations..."# on the "Run Configurations" window, enter the project name and select the "do nothing" option# click on "Run"# after a while, the emulator will start and you'll see the Android lock screen# drag the "lock" icon upwards to access the Android desktop# on the right of the desktop there are three icons: click on the middle one (between the globe icon and the phone icon)# click on the "MainActivity" icon: it will open the "Hello, world!" window. Please refer to the following pictures: <gallery widths=400px perrow=3 caption="Running the application on the emulator">File:Tutorial-android-run project-1.pngFile:Tutorial-android-run project-2.pngFile:Tutorial-android-run project-3.pngFile:Tutorial-android-run project-4.pngFile:Tutorial-android-run project-5.pngFile:Tutorial-android-run project-6.png</gallery> === Deploy the application on the target === To install the application on the target, please follow these steps: # close the running emulator# check that [[Industrial_Tablet#Running_the_Android_Debug_Bridge | ADB is running]]# open a shell and move to the workspace directory containing the project files (example: /home/user/workspace/MyFirstApp)# enter the bin sub-directory. If you list the content of this directory, you should see the application .apk file# Using ADB, please lauch the following command: <pre class="workstation-terminal">adb install MyFirstApp.apk</pre> Now you can access the device, go to the applications screen and touch the "MainActivity" icon to run the application.  Please refer to the following pictures and watch the [http://www.youtube.com/watch?v=RKkFoX3nEZw Running "Hello, world!" app on DACU] video: <gallery widths=400px perrow=3 caption="Deploying the application">File:Tutorial-android-install app-1.pngFile:Tutorial-android-install app-2.pngFile:Tutorial-android-install app-3.png</gallery> === Useful links === [http://www.youtube.com/watch?v=RKkFoX3nEZw Running "Hello, world!" app on DACU] [http://developer.android.com/index.html Android Developer Website] [https://developer.android.com/training/index.html First project tutorial]