Enable Proguard for release build

app/build.gradle

@@ -27,9 +27,8 @@ android {
     }
     buildTypes {
         release {
-            // proguard makes some functionalities fail so It's disabled until I find the problem source
+            minifyEnabled true
-            minifyEnabled false
+            shrinkResources true
-            shrinkResources false
 
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }

app/proguard-rules.pro

@@ -23,3 +23,10 @@
 -dontwarn org.xmlpull.v1.XmlPullParser
 -dontwarn org.xmlpull.v1.XmlSerializer
 -keep class org.xmlpull.v1.* {*;}
+
+-keep class org.simpleframework.xml.** { *; }
+
+-keep class com.readrops.readropslibrary.services.freshrss.json.** { *; }
+-keep class com.readrops.readropslibrary.services.nextcloudnews.json.** { *; }
+
+-keep class com.readrops.readropslibrary.localfeed.** { *; }

readropslibrary/build.gradle

@@ -8,14 +8,17 @@ android {
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 1
-        versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
         release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+
+        debug {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }