Smart phones and a few of the feature phones have the touch screen support. When we tap on the touch screen of mobile device, we don't realize the time and effort spent by the developer in building the amazing apps. The apps seem to be working so seamlessly. In this post, I would like to discuss in detail the complex …

Sampling of an audio signal converts continuous time signal into a discrete time signal. Quantization converts continuous amplitude signal into a discrete amplitude signal. A discrete time and discrete amplitude signal is a digital signal. The present post describes the sampling of a video signal, different …

Visible spectrum is the portion of electromagnetic spectrum that is visible to the human eye. Electromagnetic spectrum in this range of radiation is called visible light. Colors containing only one wavelength are called as pure colors. Pure colors are red, green and blue. Colors such as yellow and magenta can be made …

Many of the Android applications display web content and also interact with it. This is possible by exposing a web browser as a standalone component and embedding it in the application. Such a component is called as WebView. WebView uses a number of APIs which can interact with the web contents inside WebView. In the …

Maps are one of the most important applications on the feature phones. The post describes development of an application to display map between two cities on BrewMP mobile platform. The UI has two text fields To and From, where source and destination are entered. Upon pressing the SELECT key, the application loads the …

WebView is an essential component in Android and iOS. It enables applications to display content from on-line resources. It simplifies task of performing a network request, parsing the data and rendering it. WebView uses a number of APIs which can interact with the web contents inside WebView. In the present post, …