Proguard: Keep preference's classes

diff --git a/proguard.flags b/proguard.flags
index d6c4351..6fa82ec 100644 (file)
--- a/proguard.flags
+++ b/proguard.flags
@@ -49,3 +49,8 @@
     android.os.storage.StorageVolume[] getVolumeList();
 }
 
+#keep preference's classes
+-keep public class * extends android.preference.PreferenceFragment {
+  public <init>(...);
+}
+