Tech Trainner's Best

• XML parsing tutorial using Sax Parser in android

Parsing is an important phase in android application development. Storing data on android device is not feasible in large amount of data. So we store data on server and return data in xml format and then we parse data and show data on android device.  Continue Reading

• Android ListView with Section Header

ListView is most power full Widget  in android.I have mention it every time i post related to ListView. We have already learned how to create a ListView with  BaseAdapter. Now in above case if you have following problem --

• You want to make a song list with header to make user interface more interactive
• There may be many more cases in which we want to give our ListView more fancy way to interact with user     Continue Reading

• Android Database SQLite tutorial : Insert, update, delete, deleting data base and table

All though we know mobile do not have large memory to save data in comparison of Desktop and Laptop

but data base is highly important in android (and other mobile OS also). In android we use SQlite database. Sq-lite is light wight and design according to support mobile device limited memory. First i am listing some basic operation and will explain every thing with example  Continue Reading

• Taking picture and Video from Camera and displaying or playing in android

Taking picture in android has two way to achieve it

1) Using  Surface view with Camera integration
2)Starting Default Camera Activity that will return an intent with picture Continue Reading

• Android : Lazy loading and Caching of Images with Image downloader

Downloading does always fascinated me. When we download movie, song or Wallpaper. But when i went into development then i came to know how much complication involve in that.
I saw so many people struggling in downloading. So i decide to make one download manager for all android developer. And now i am revealing all my hard work to you guys so that it make your work much easier. Continue Reading

• Difference between Weak reference and Soft reference in android and Java as well

In java as well as android, two concept are highly important but people are not much aware about these concept. These are weak reference and soft reference. They ensure to avoid memory over flow error and ensure fast caching of images. By name, They both seems similar but had lots of difference  If i say they are just opposite to each other , then its true.

Continue Reading

• Android Map Application : Making shape on android MapView using overlay and Touch event

Generally we know how to make sample application of map in android. Its quite easy. But we struck when we goes for advance like showing ping either single or multiple on map, drawing figure on map , drawing path between  two point. Consider all point, there is only one solution for all, and that is Overlay. Overlay consider to be layer on a MapView in android. Using and modifying Overlay almost match with View and SurfaceView.     Continue Reading

• Tips and tricks while creating your own android application.

Android development is becoming prodigy business day by day. As its market grows, its attract more developer. One easy thing is, if you know Java, you can easily shift to developing android application. It add more value to android as well as it added a lot of  crap in android play store. Every one want one's application to make iron wave on Play store. Before jumping into sea, we should do some home work which one necessity and universal truth to create one milestone in your career.  Continue Reading

• Video Chat API in android provide Group Video Chat, Peer to peer and Mobile to Web

Video chat in android is the hot topic in every mobile either Android or iPhone. While making application based on social networking, including Video chat option can raise your application standard. Even though android does not provide directly anything related to video chat, but there are lots of work around for this.
Challenge while implement Video chat are .  Continue Reading