ref(proguard): Create common proguard config.

android/app/build.gradle

         }
         release {
             minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules-release.pro'
         }
     }
 

android/app/proguard-rules-debug.pro

-# Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in /usr/local/Cellar/android-sdk/24.3.3/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# Add any project specific keep options here:
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
+-include proguard-rules.pro
 
 # Disabling obfuscation is useful if you collect stack traces from production crashes
 # (unless you are using a system that supports de-obfuscate the stack traces).
 -dontobfuscate
-
-# React Native
-
-# Keep our interfaces so they can be used by other ProGuard rules.
-# See http://sourceforge.net/p/proguard/bugs/466/
--keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
--keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters
--keep,allowobfuscation @interface com.facebook.common.internal.DoNotStrip
-
-# Do not strip any method/class that is annotated with @DoNotStrip
--keep @com.facebook.proguard.annotations.DoNotStrip class *
--keep @com.facebook.common.internal.DoNotStrip class *
--keepclassmembers class * {
-    @com.facebook.proguard.annotations.DoNotStrip *;
-    @com.facebook.common.internal.DoNotStrip *;
-}
-
--keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
-  void set*(***);
-  *** get*();
-}
-
--keep class * extends com.facebook.react.bridge.JavaScriptModule { *; }
--keep class * extends com.facebook.react.bridge.NativeModule { *; }
--keepclassmembers,includedescriptorclasses class * { native <methods>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.UIProp <fields>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }
-
--keep class com.facebook.react.bridge.ModuleRegistryHolder { *; }
--keep class com.facebook.react.bridge.CatalystInstanceImpl { *; }
--keep class com.facebook.react.bridge.JavaScriptExecutor { *; }
--keep class com.facebook.react.bridge.queue.NativeRunnable { *; }
--keep class com.facebook.react.bridge.ExecutorToken { *; }
--keep class com.facebook.react.bridge.ReadableType { *; }
--keep class com.facebook.react.devsupport.** { *; }
--dontwarn com.facebook.react.devsupport.**
-
--dontwarn com.facebook.react.**
-
-# TextLayoutBuilder uses a non-public Android constructor within StaticLayout.
-# See libs/proxy/src/main/java/com/facebook/fbui/textlayoutbuilder/proxy for details.
--dontwarn android.text.StaticLayout
-
-# okhttp
-
--keepattributes Signature
--keepattributes *Annotation*
--keep class okhttp3.** { *; }
--keep interface okhttp3.** { *; }
--dontwarn okhttp3.**
--dontwarn com.squareup.okhttp.**
-
-# okio
-
--keep class sun.misc.Unsafe { *; }
--dontwarn java.nio.file.*
--dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
--dontwarn okio.**
-
-# FastImage
-
--keep public class com.dylanvann.fastimage.* {*;}
--keep public class com.dylanvann.fastimage.** {*;}
-
--keep class org.webrtc.** { *; }
-
-
--dontwarn com.google.appengine.**
--dontwarn javax.servlet.**
-
-

android/app/proguard-rules-release.pro

+-include proguard-rules.pro
+
+# Crashlytics
+-keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keep public class * extends java.lang.Exception

android/app/proguard-rules.pro

 #   public *;
 #}
 
-# Disabling obfuscation is useful if you collect stack traces from production crashes
-# (unless you are using a system that supports de-obfuscate the stack traces).
-# -dontobfuscate
-
 # React Native
 
 # Keep our interfaces so they can be used by other ProGuard rules.
 -keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
 -keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }
 
--keep class com.facebook.react.bridge.ModuleRegistryHolder { *; }
--keep class com.facebook.react.bridge.CatalystInstanceImpl { *; }
--keep class com.facebook.react.bridge.JavaScriptExecutor { *; }
--keep class com.facebook.react.bridge.queue.NativeRunnable { *; }
--keep class com.facebook.react.bridge.ExecutorToken { *; }
--keep class com.facebook.react.bridge.ReadableType { *; }
--keep class com.facebook.react.devsupport.** { *; }
--dontwarn com.facebook.react.devsupport.**
-
 -dontwarn com.facebook.react.**
 
 # TextLayoutBuilder uses a non-public Android constructor within StaticLayout.
 -keep class okhttp3.** { *; }
 -keep interface okhttp3.** { *; }
 -dontwarn okhttp3.**
--dontwarn com.squareup.okhttp.**
 
 # okio
 
 
 # FastImage
 
--keep public class com.dylanvann.fastimage.* {*;}
 -keep public class com.dylanvann.fastimage.** {*;}
 
--keep class org.webrtc.** { *; }
+# We added the following when we switched minifyEnabled on. Probably because we
+# ran the app and hit problems...
 
+-keep class com.facebook.react.bridge.CatalystInstanceImpl { *; }
+-keep class com.facebook.react.bridge.ExecutorToken { *; }
+-keep class com.facebook.react.bridge.JavaScriptExecutor { *; }
+-keep class com.facebook.react.bridge.ModuleRegistryHolder { *; }
+-keep class com.facebook.react.bridge.ReadableType { *; }
+-keep class com.facebook.react.bridge.queue.NativeRunnable { *; }
+-keep class com.facebook.react.devsupport.** { *; }
+-keep class org.webrtc.** { *; }
 
+-dontwarn com.facebook.react.devsupport.**
 -dontwarn com.google.appengine.**
+-dontwarn com.squareup.okhttp.**
 -dontwarn javax.servlet.**
 
-# Crashlytics
--keepattributes *Annotation*
--keepattributes SourceFile,LineNumberTable
--keep public class * extends java.lang.Exception
+# ^^^ We added the above when we switched minifyEnabled on.