Hi Bucky, I'm following Android Application Development Tutorial and I'm currently watching Tutorial 45 RadioButtons in a RadioGroup.

the error messages shown in the attached screenshot.
1. those ids defined in my xml files are not regonized in the java files.
2. getApplicationContext().setWallpaper(bmp); tells me that the method setwallpaper(bmp) from the type context is deprecated.

please help me out!!! thanks!