Code Expo - Development with Passion

Android ActionBar is a menu bar that runs across the top of the activity screen in android. Android ActionBar can contain menu items which become visible when the user clicks the “menu” button.

WebView is a complete simulation of web browser in Android View. If we want to load an HTML page in android application, WebView can do this for us. Note that HTML, CSS and Java Scripts is also supported. WebView is implemented as a subclass of View. Another limited version is also available in form Html class. We can parse HTML-formatted Strings in TextView using Html.fromHtml().

Picasso is a library of SQUARE is used to thread and cache images asynchronously from server (Network), local storage (Disk or Memory) with some other cool functionalities like transform and resize of images. Normally, when we are working with images in mobile application, images loading is an pity issue. When application need to load many images at a time like in list-view or spinner, so due to huge load of it application may slow , crash due to not enough memory or scrolling issue than Picasso will help you a lot as well when you need to make a thumbnail of a heavy image.

It is the basic structure of menu item for an activity.

The scrolling activity give a perfect and eye scathing view, in case when activity is long.

A set of presentable(Displayable and Printable) text characters in a specific size and style is known as Font.  Typeface is the type design for a set of fonts, whereas Font Family formed from varieties of that design.

TextToSpeech library facilitate us to convert text in to voice in  a variety of languages. It have an  initListener, we must initialize the parameters of speaking like language setting etc. It have a variety of options like

Google Map Server have an API or Maps SDK for Android applications. API includes add maps, map display, add markers, polylines, polygons based on Google Maps data to our application from Google Maps servers. It have a auto listener like map gestures (Zooming and Userview of Map) and two other listeners onMapReadyCallBack and onMapClickListener. We can customize the basic map user's view of a particular map area.

Intent is asynchronous message between components of application or with other application. Here we will call and feed number to dial-pad from our application to the Android System default Calling application using Intent.

Android is a Linux based  framework it is composed fundamentally for touch screen cell phones, for example, advanced cells and tablet PCs and now its available also for Wears, Auto and TV. The working framework have built up a great deal in most recent 15 years beginning from highly contrasting phones to late advanced cells or scaled down PCs. A standout among the most generally utilized versatile OS nowadays is android. The android is programming that was established in Palo Alto of California in 2003.