Configure proguard rules

2 files changed, 27 insertions, 0 deletions

diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 55b7b33c05..f673552b23 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -69,6 +69,13 @@ android {
     }
 
     buildTypes {
+        getByName("release") {
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+
         create("fdroid") {
             initWith(buildTypes.getByName("release"))
             isMinifyEnabled = false
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000000..7d80dc6e39
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,20 @@
+# Mullvad
+# Keeping all Mullvad classes etc until the project has been split into multiple sub-projects
+# where it's better defined where the FFI/JNI boundaries are.
+-keep class net.mullvad.** { *; }
+
+# Mullvad daemon FFI/JNI
+# See: <repository-root>/mullvad-jni/classes.rs
+-keep class android.os.Parcelable { *; }
+-keep class java.lang.Boolean { *; }
+-keep class java.lang.Integer { *; }
+-keep class java.lang.String { *; }
+-keep class java.net.InetAddress { *; }
+-keep class java.net.InetSocketAddress { *; }
+-keep class java.util.ArrayList { *; }
+
+# Joda Time
+-dontwarn org.joda.convert.**
+-dontwarn org.joda.time.**
+-keep class org.joda.time.** { *; }
+-keep interface org.joda.time.** { *; }