cannot find symbol in Android Studio without rebuilding project

Question

When I try to deploy my project to the emulator the compile fails with a bunch of Cannot find symbol errors. I have to rebuild the project then deploy everytime I make a cha

Answer 1

Same here. Check this for updates: https://code.google.com/p/android/issues/detail?id=56884&colspec=ID%20Type%20Status%20Owner%20Summary%20Stars

Answer 2

I used the following answer and it worked great:

https://stackoverflow.com/a/19223269/1531683

You can do "File" -> "Invalidate Caches...", and select "Invalidate and Restart" option to fix this.

Answer 3

Using java 7 inner classes instead of lambda functions provided by retro-lambda solved my issue.

Answer 4

As a temporary workaround, try turning off Preferences > Compiler > Use External Build.

(as suggested in this issue: https://code.google.com/p/android/issues/detail?id=56884)

Answer 5

Clicking "Sync project with Gradle files" resolved this for me.

Answer 6

Just Click Build -> Clean Project. It will solve the problem of missing "R.java".