Reading all the wonderful things the new ProGuard Improvements for Android do, I switched to to the new scheme by uncommenting the following line in a newly created project:
proguard.config=${sdk.dir}\tools\proguard\proguard-android.txt;proguard-project.txt
But when I try to export this project's APK, I am greeted with the following message:
Invalid proguard configuration file path C:\android-sdk-windows\tools\proguard\proguard-android.txt does not exist or is not a regular file
Well, I checked the directory C:\android-sdk-windows\tools\proguard and, sure enough, while this directory exists and has subdirectories and even a README file, proguard-android.txt is nowhere to be found.
BTW, I tried it with : instead of ; but that didn't seem to change anything.
Isn't Eclipse+ADT+Proguard supposed to generate this file automatically for me? What am I missing?
Also, where can I find a "standard" default set of rules for Android proguard-android.txt so that I can copy it over to its missing slot?
It should either be generated or come with your sdk (I think). However, here is a link to the one that I have (tools r19). http://pastebin.com/7rNJkns0
New Projects or old ones converted when changing API now in project.properties link to
proguard.config=${sdk.dir}\tools\proguard\proguard-android.txt:proguard-project.txt
You can simply link your projects proguard config by commenting the line and adding
proguard.config=proguard-project.txt
to it.
Cheers.
I recommend creating a new project and copying the proguard-project.txt from there.
In eclipse, you can do that by going to File --> New --> Other --> Android --> Android Application Project. It's just in the root directory of the new project.
Your declaration is:
proguard.config=${sdk.dir}\tools\proguard\proguard-android.txt;proguard-project.txt
The Correct declaration is (: instead of;):
proguard.config=${sdk.dir}\tools\proguard\proguard-android.txt:proguard-project.txt
来源：https://stackoverflow.com/questions/11020256/how-to-automatically-generate-proguard-android-txt