Save a File on Internal Storage in Android

When saving a file to internal storage, you can acquire the appropriate directory as a  File  by calling one of two methods: getFilesDir... Read more »

How can I check if the Android phone is in Landscape or Portrait?

How to know screen Orientation in android, and set screen orientation as your request. Overall orientation of the screen. May be one of  ... Read more »

How to validate email in Android

Validate is important aspect in any programming language. Here I describes how to validate in android. In your Input Field of email in Ed... Read more »

Uncaught Error: SECURITY_ERR: DOM Exception 18 - Chrome's developer tools

I faced many times this problem, i get solution from stackoverflow, where  Eli Grey  gives, simple answers that solve my problem: if y... Read more »

Error parsing XML: unbound prefix, Most relevant problems in android

During creating different layout in android using xml, may be sometimes miss small things, that is necessary to create layouts. Xml Layou... Read more »

Android error - R cannot be resolved

Most common errors in Android Application and Game Development Many of the android developer faced as well as me many times faced thi... Read more »

“Debug certificate expired” error in Eclipse Android plugins

This problems faced every android developer, who started to develop android application using eclipse IDE. I also faced many times, when... Read more »

“R cannot be resolved to a variable”? in Android

Dont worry. First you may clean the project, then run the project. If this does not work then follow the following links: Here is th... Read more »