Fix issues with proguard

mobile/proguard-rules.pro

@@ -12,14 +12,12 @@
 #   public *;
 #}
 
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
--keepattributes SourceFile,LineNumberTable
 -dontobfuscate
 
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
+-keepattributes SourceFile,LineNumberTable,Signature
+-keepattributes *DatabaseField*
+-keepattributes *DatabaseTable*
+-keepattributes *SerializedName*
 
 -dontwarn com.j256.ormlite.**
 -dontwarn com.google.android.gms.internal.**
@@ -28,3 +26,24 @@
 -dontwarn org.xbill.**
 -dontwarn com.evernote.android.job.gcm.**
 -dontwarn com.evernote.android.job.util.GcmAvailableHelper
+
+-keep public class android.support.v7.widget.** { *; }
+-keep public class android.support.v7.internal.widget.** { *; }
+-keep public class android.support.v7.internal.view.menu.** { *; }
+
+-keep public class * extends android.support.v4.view.ActionProvider {
+    public <init>(android.content.Context);
+}
+
+-keep class com.github.shadowsocks** {*;}
+-keep interface com.github.shadowsocks** {*;}
+-keep enum com.github.shadowsocks** {*;}
+
+-keep class com.j256.**
+-keepclassmembers class com.j256.** { *; }
+-keep enum com.j256.**
+-keepclassmembers enum com.j256.** { *; }
+-keep interface com.j256.**
+-keepclassmembers interface com.j256.** { *; }
+
+-optimizations !code/allocation/variable