question: return an uppercase version of the input or null if user gave no input . if user gave no input and @a showtoast is true a toast is displayed to this effect . concode_field_sep String TAG concode_field_sep void hideKeyboard concode_elem_sep File openDirectory concode_elem_sep void setActivityResult concode_elem_sep void setActivityResult concode_elem_sep boolean interruptibleCopy concode_elem_sep Uri createDirectoryAndSaveFile concode_elem_sep void showToast concode_elem_sep boolean isExternalStorageWritable concode_elem_sep String getUniqueFilename concode_elem_sep boolean runningOnUiThread concode_elem_sep Bitmap downloadAndDecodeImage
target: String function ( Context arg0 , String arg1 , boolean arg2 ) { if ( arg1 . isEmpty ( ) ) { if ( arg2 ) Utils . arg2 ( arg0 , "srini_string" ) ; return null ; } else return arg1 . toUpperCase ( Locale . ENGLISH ) ; }