Merge pull request #492 from convoyinc/igrayson/proguard

Proguard rules

android/app/build.gradle

@@ -14,8 +14,12 @@ android {
     lintOptions {
         abortOnError false
     }
+
+    defaultConfig {
+        consumerProguardFiles 'proguard-rules.pro'
+    }
 }
 
 dependencies {
     compile "com.facebook.react:react-native:0.19.+"
-}
+}

android/app/proguard-rules.pro

@@ -15,3 +15,8 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+# Invoked via reflection, when forcing javascript restarts.
+-keepclassmembers class com.facebook.react.ReactInstanceManagerImpl {
+    void recreateReactContextInBackground();
+}