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In Part 1 of this intro to Apache Cordova series, we were able to see how front-end developers could use standard web technologies to create cross-platform mobile applications, and the prerequisites to install Cordova in your dev environment.
In this second part we are focused on creating your first application with Cordova, and how to publish your app in the Samsung Galaxy Store.
Creating the App
After installing Cordova, you should go to the file directory where you maintain your source code. There, you can create a Cordova project. This would be a simple Hello World project, but would give you an idea of the file structure of a Cordova project, and the different parts that you can modify to obtain the functionality you are looking for.
In your terminal or command interface type:
cd pathToYourProjects After that:
cordova create CordovaProject com.example.hello CordovaApp

CordovaProject is the directory name where the app is created. com.example.hello is the default reverse domain value (package name). You should use your own domain name if possible. CordovaApp is the title of your app. This creates the required directory structure for your Cordova app. By default, the Cordova create script generates a skeletal web-based application whose home page is the project's www/index.html file.
Adding Platform
Since Cordova works for multiple platforms, we have to add Android to the build settings. You need to open your project directory in the command prompt. In our example, it is the Cordova Project. You should only choose platforms that you need. To be able to use the specified platform, you need to have installed the specific platform SDK.
All subsequent commands need to be run within the project's directory, or any subdirectories:
cd CordovaProject

Add the Android platform, since this is the target of app, and ensure they get saved to config.xml and package.json:
cordova platform add android You can also remove a platform from your project by using:
cordova platform rm android To make certain you have added all the platforms you are targeting you can type:
cordova platform ls

This should list all the added platforms for your current project.
Checking the Install pre-requisites for building
To build and run apps, you need to install SDKs for each platform you wish to target. Alternatively, if you are using browser for development you can use browser platform which does not require any platform SDKs.
To check if you satisfy requirements for building the platform that you just added:
cordova requirements

This command should show you a result similar to this one:
Requirements check results for android: Java JDK: installed . Android SDK: installed Android target: installed android-19,android-21,android-22,android-23,Google Inc.:Google APIs:19,Google Inc.:Google APIs (x86 System Image):19,Google Inc.:Google APIs:23 Gradle: installed Building the App
This step builds the app for a specified platform so we can run it on mobile device or emulator.
cordova build

If you have added more than one platform to your project, you can limit the scope of each build to specific platforms. For our example we should add 'android':
cordova build android Build for android platform in release mode and use the specified build configuration:
cordova build android --release --buildConfig=..\myBuildConfig.json Testing the App
Using Cordova’s emulator Now we can run our app. If you are using the default emulator you should use:
cordova emulate android



If you want to use the external emulator or real device you should use
cordova run android Publishing your APK
To check in detail how to take your binary files and publish them in the Samsung Galaxy Store, check this in-depth video:
We love to chat with mobile game developers and help you as you develop, publish, and market your own games. Galaxy Store is a great place to publish your game and get discovered. If you are a mobile app developer and want to request a quick chat with us, just fill out this form.
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This is the third post in the series covering Samsung’s participation in the MIT’s Medicine Grand Hack. You can find the first post here, and the second post here.
The Promentia team was the Grand Prize Winner in the Mental Health and Professional Burnout track. Promentia’s project was an Alzheimer’s Disease prevention app, also named Promentia, with the tagline “Stay You.”
Promentia accepting their award
The team’s main point is that people do not realize that Alzheimer’s Disease is a highly delayable disease. More and more people are finding out that they are at higher risk of Alzheimer’s Disease as the popularity of at home genome services continues to rise.

Promentia demoing their app
They created a mobile prototype deployed on a Samsung Galaxy Note 9, and showed how they could use Samsung’s technology to develop a way to digitally enable ‪Alzheimer’s disease prevention.‬‬
By monitoring the results from blood tests for six specific biomarkers scientifically proven to correlate to the onset of Alzheimer’s Disease (hsCRP, Homocysteine, Fasting insulin, Hemoglobin A1C, Fasting glucose, and Vitamin D), sleep, and exercise, the app tailors personalized feedback.
Personalized feedback provided by the app
The full team
This is the first product of its kind. Promentia’s goal was to make Alzheimer’s Disease prevention tactics more easily accessible to the general public, so you can Stay You.
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In my previous post I covered Samsung’s partnership with the Massachusetts Institute of Technology (MIT) and the Department of Veterans Affairs to host and sponsor the MIT’s Medicine Grand Hack, to foster creativity to solve some of the problems in the health care system.
In this post I want to highlight one of the teams that participated in the hack: Insomniax. With the clarity of their focus, and how they integrated Samsung’s wearable devices in their pitch, they were able to stand out during the weekend’s activities and win the Department of Veteran’s Affairs award.
The Insomniax team participated in the mental health and professional burnout track, and created an application that uses biometrics and self-reported data to develop personalized recommendations for veterans with mental illnesses, who have poor sleep quality.
Their prototype highlighted the importance of having an easily accessible device that helps you tracking your daily routine and, with the help of an Artificial Intelligence system, gives you relevant advice to improve your quality of life.
Insomniax showcasing their app
The concept of the application they were working on was a way to combine data already collected by the Samsung Watch’s multiple sensors (things like heart rate, sleep, stress) along with a nightly questionnaire on activities/pre-sleep habits. The combined collected data then would be sent to a server with a REST API, then the system would process the data and revise the user’s recorded medical history to provide personalized recommendations on how they can get better sleep.
The Insomniax Team
Their demo was developed as a web app using Tizen Studio, and it was deployed on the Galaxy Watches that were made available to the Hackathon’s attendees.
These kind of apps can take advantage of the advanced features included in the Samsung Watches, like the Human Activity Monitor, that gives you access to and record human activity data from various sensors and recorders on the device.
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