add proguard

News-Android-App/build.gradle

@@ -10,6 +10,10 @@ android {
     }
 
     buildTypes {
+        debug {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'

News-Android-App/proguard-android.txt

@@ -0,0 +1,57 @@
+# This is a configuration file for ProGuard.
+# http://proguard.sourceforge.net/index.html#manual/usage.html
+
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-verbose
+
+# Optimization is turned off by default. Dex does not like code run
+# through the ProGuard optimize and preverify steps (and performs some
+# of these optimizations on its own).
+-dontoptimize
+-dontpreverify
+# Note that if you want to enable optimization, you cannot just
+# include optimization flags in your own project configuration file;
+# instead you will need to point to the
+# "proguard-android-optimize.txt" file instead of this one from your
+# project.properties file.
+
+-keepattributes *Annotation*
+-keep public class com.google.vending.licensing.ILicensingService
+-keep public class com.android.vending.licensing.ILicensingService
+
+# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# keep setters in Views so that animations can still work.
+# see http://proguard.sourceforge.net/manual/examples.html#beans
+-keepclassmembers public class * extends android.view.View {
+   void set*(***);
+   *** get*();
+}
+
+# We want to keep methods in Activity that could be used in the XML attribute onClick
+-keepclassmembers class * extends android.app.Activity {
+   public void *(android.view.View);
+}
+
+# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}
+
+-keepclassmembers class **.R$* {
+    public static <fields>;
+}
+
+# The support library contains references to newer platform versions.
+# Don't warn about those in case this app is linking against an older
+# platform version.  We know about them, and they are safe.
+-dontwarn android.support.**

News-Android-App/proguard-rules.txt

@@ -14,4 +14,46 @@
 # class:
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
-#}
+#}
+
+
+
+
+-keepnames class * implements java.io.Serializable
+
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    private static final java.io.ObjectStreamField[] serialPersistentFields;
+    !static !transient <fields>;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+
+
+
+# Butterknife
+-keep class butterknife.** { *; }
+-dontwarn butterknife.internal.**
+-keep class **$$ViewBinder { *; }
+
+-keepclasseswithmembernames class * {
+    @butterknife.* <fields>;
+}
+
+-keepclasseswithmembernames class * {
+    @butterknife.* <methods>;
+}
+
+
+###############
+# I use proguard only to remove unused stuff and to keep the app small.
+# I donot want to obfuscate (rename packages, classes, methods, ...) since this is open source
+-keepnames class ** { *; }
+-keepnames interface ** { *; }
+-keepnames enum ** { *; }
+
+
+-dontwarn de.greenrobot.daogenerator.DaoGenerator