Tutorials with Creative Demos
How Cordova app uploads a Canvas image via Ajax will be presented here. We create a signature image data by HTML DOM TouchEvent on the Canvas element. The canvas data can be sent to the server and saved. Behind the topics, there are two essential limits that should be fixed for Cordova upload through Ajax. … Read more
You will learn how to customize the app’s icon and splash from config.xml in Cordova projects. Also, if config.xml defines the plugins used, Cordova will auto install them during the app building process. Free download and walk through a demo for quick start. All codes here are not complicated, so you can easily understand even … Read more
Using Cordova Plugins, you can calculate Geo map distance of the route you have walked. The Plugin used to get latitude and longitude for map distance is Cordova Geolocation, which read GPS chip to report coordinates. In addition, markers for distance tracking points on Google Maps provide visual impression of how far you have walked. … Read more
You can detect Cordova Wifi and Cellular network connections in two ways: repeating checks and event notification. However, for more efficient result, we introduce a Plugin based on Network Information API to monitor network connection by event notification. At end of the post, we will build a Cordova APP by using Cordova CLI commands. All … Read more
We are presenting a mobile game by rotating a roulette wheel using jQuery. The core library is jQueryRotate.js used to create an example for demonstration. Apart from core library, topics about building an Cordova APP will be discussed here. All codes here are not complicated, so you can easily understand even though you are still … Read more
Cordova APPs using MQTT can share data with each other. Moreover, shared Geo locations and GPS positions can track your family and friends. This example use Google Maps to mark where your family and friends are. More topics about Cordova Plugin Geolocation getting latitude and longitude, objected programming upon WebSQL async API, and MQTT javaScript … Read more
Cordova Geolocation gets latitude, longitude, and even altitude. It is enough to locate you on Google Maps. Cordova let you use JavaScript to reach the goal in mobile phones, instead of native codes on Android or iOS. The article guide you to go through Cordova project building process for an example about GPS locating and … Read more
With Camera Plugin, Cordova APPs can take a picture by JavaScript. As known, Cordova create APPs by using HTML, CSS, and JavaScript, but without plugins Cordova can not communicate with device modules or native components in mobile phones. The article gives a brief example to help you understand all the stuff. All codes here are … Read more
This issue might happen when you build an Cordova APP on Android 9, but can’t send messages to non-SSL websites. This article discusses about why the limit exists, how to permit clear text, and what correct process we should do. All codes here are not complicated, so you can easily understand even though you are … Read more
Cordova APPs perform AJAX login to get session data. If session exists, APPs always start on home page; otherwise, jump to login page. Where do session data store? How is page redirection working with help of a database class using Cordova WebSQL? Finally, we provide the procedure to build an APP in brief. All codes … Read more