From 8456b40be418306cb1f55042d0edbcec9a27475b Mon Sep 17 00:00:00 2001
From: Josue Leon Sarkis <jolesa97@gmail.com>
Date: Thu, 8 Feb 2024 10:21:33 -0600
Subject: [PATCH] =?UTF-8?q?chore:=20enabling=20code=20shrinking=20and=20ob?=
 =?UTF-8?q?fuscation=20in=20the=20example=20app=20and=E2=80=A6=20(#102)?=
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Content-Transfer-Encoding: 8bit

---
 README.md                  |  3 +++
 example/build.gradle       |  3 ++-
 example/proguard-rules.pro | 29 +++++++++++------------------
 3 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/README.md b/README.md
index 8a9aedf5..46591a13 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,9 @@ Add this dependency to your project's build file:
   }
 ```
 
+Add the ProGuard rules found in example/proguard-rules.pro to your project's rules if you build 
+enables code shrinking or obfuscation
+
 ## Features
 
 - [TextElement](https://developers.basistheory.com/docs/sdks/mobile/android/types#textelement) to securely collect text input
diff --git a/example/build.gradle b/example/build.gradle
index 6212e0ae..076777c1 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -22,7 +22,8 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/example/proguard-rules.pro b/example/proguard-rules.pro
index 481bb434..ef4edc63 100644
--- a/example/proguard-rules.pro
+++ b/example/proguard-rules.pro
@@ -1,21 +1,14 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
+-dontwarn javax.validation.valueextraction.UnwrapByDefault
+-dontwarn javax.validation.valueextraction.ValueExtractor
 
-# 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 *;
-#}
+# Needed to keep generic signatures
+-keepattributes Signature
 
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
+# Used by Gson serialization and deserialization internally in BT's SDK
+-keep class com.google.gson.reflect.TypeToken { *; }
+-keep class * extends com.google.gson.reflect.TypeToken
 
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+# BT's SDK classes
+-keep class com.basistheory.** {
+    *;
+}
\ No newline at end of file