How to Build an i. OS and Android App in 2. HTML5 and Cordova. Visually compose APIs with easy- to- use tooling. Learn how IBM API Connect provides near- universal access to data and services both on- premises and in the cloud, brought to you in partnership with IBM. What can one create during the New Year and Christmas holidays? Even if you have two kids and a bunch of family members whom you want to visit. The only thing you cannot accomplish in time is to finish an article for Dzone. It takes a lot of time, nearly the entire January. By the 5th of January I had a laptop and a couple of days to spend on some development. Having estimated what I can do here, I decided to create a mobile app that would work faster than the original. For this, I needed to find communicative creators of a popular app. It is a simple app for tracking your budget. With it, you can estimate how effectively you spend your money in the end of each month. By the 5th of January, this app was in Top- 1. Russian App Store. I also found their dev- story on iphones. So, they decided to create a new app during this free time. Their Product Manager and programmers helped them with positioning the app and its key features. This encouraged me and I began to think how to create nearly the same app in 2 days. Note: the original app was updated in the middle of January, and now it looks a little different from my app. Responsive HTML5 Apps: Write Once, Run Anywhere? Responsive HTML5 Apps. There are a slew of cross-platform tool options to help create HTML5 apps. HTML5 vs Native Android App. Hybrid apps are as portable as HTML5 apps. They allow code reuse. You can create native apps without any coding. Anyway, you can find its screenshots in the dev- story. I already had the experience of mobile app development using C# and Cocoa. Since this was my personal free time, I wanted to use it with maximum effectiveness. I was working for Dev. Express from 2. 00. I left the company. So, I knew that they created a mobile js- framework based on Cordova/Phone. Gap. They made it after I left the company, so I was curious to try it. The Gartner research company reports that by August, 2. Phone. Gap or Phone. Gap- based products (like Kony). Android; HTML5; iPhone; jQuery / Prototype. Write an Android application Forbes; The New York Times. Web apps – Apps that use only HTML5 code (HTML, CSS. Android* Dalvik* Java*. Here are three factors to keep in mind to create great HTML5 apps. Learn from scratch how to create apps for iOS, Android. Enter Your Redemption Code. Please confirm that you want to add iOS and Android HTML5 Apps for.From my consumer experience, it's far from true. I'm not so good at HTML and Java. Script. I can create mark- up with stackoverflow. I can write simple selectors with j. Query. I can also find the required information in their documentation. In other words, HTML+JS was a gap in my knowledge and I was ready to fill it or gain some experience. Thus, I planned to create a cross- platform application that could become an advantage over the original i. OS- only Spender app. Moreover, I wanted to spend my time in the most effective way. On the one hand, I had a potentially effective JS framework, on the other . I hoped that the JS framework advantages could balance my poor experience. Since I like to use a VCS during development, I'll try to recover my progress. You can download complete apps here: i. OS , Android I'm not sure I can provide public access to my repo, because it contains images I bought from Fotolia and third- party libraries, each with a difference license. I'm not a lawyer, so I. The most curious of you can take a look into the app bundle itself. JS wasn't minified. Place: Tula, Russia, Date: January, 5, 2. Spent on installing Node. JS and Cordova CLI+1. Downloaded a template app from Cordova. Added a template from Phone. JS. Created a Git- repo, registered it in Web. Storm. Added a new record to the httpd. Changed the app namespace to . Phone. JS is an MVC- framework. Each app screen is represented as a collection of HTML markup (Views) and fabric function (View. Model). Here is how it looks at its simplest < div data- options=. To be in time, I create only two screens: expense input and monthly expense report.+4 hours 2. Here I got stuck for the first time. I couldn't create a markup of digit buttons. The original app had a huge keyboard that looked like a calculator or dialer. I found out that it was not that easy to create such a keyboard, even using a table tag. In the i. Phone Retina screen, 1px borders between buttons changed their colors after clicking on the buttons. On my i. Phone, the difference in colors was very noticeable. I had to invent how to tackle this. I tried to implement buttons using divs. But I couldn't achieve a border width of 1 px and make all buttons look equal in different screens. Three hours later I gave up the idea of using divs and moved forward.+2. Removing a clicked button indicator on i. OS. Since I had my own indicator of a tapped object (the tapped button became darker), I didn't need the default indicator. I solved this problem using the dx. Action event: was: < td data- bind=. The mobile browser delays the raising of the click event by default to be sure the end- user will not perform a double tap. For the end- user, this looks as if the app is sluggish. You click buttons much faster than an app responds. Fast. Click. js handles the touchstart event and then creates all the click event process logic. BTW, adding this library was a mistake; later I'll tell why.+4 minutes Added a limitation to the length of user input numbers. Corrected the font size for a better look- and- feel.+5. Added a choice of an expense category.
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