[q] question about finding a string

hello eveyone.
i have decompiled an apk and found a string that i wanted from strings.xml
lets say that the string is "hello everyone"
is there any way to find out WHERE this string is getting called FROM ?

thanks in advance :)

p.s.
my point is to find the window where this string is located so i can edit that window's colors
is there a watcher or something like logcat to check which apk's are being called ?