add proguard config

app/build.gradle

@@ -15,6 +15,14 @@ plugins {
 }
 
 android {
+    signingConfigs {
+        release {
+        storeFile file('/home/darkkirb/teststore.jks')
+            storePassword '123456'
+            keyAlias 'key0'
+            keyPassword '123456'
+        }
+    }
     compileSdk 33
 
     defaultConfig {
@@ -25,12 +33,14 @@ android {
         versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        signingConfig signingConfigs.release
     }
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig null
         }
     }
     compileOptions {

app/proguard-rules.pro

@@ -5,6 +5,14 @@
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
+-keepclassmembers class * implements androidx.viewbinding.ViewBinding {
+    public static *** inflate(android.view.LayoutInflater, android.view.ViewGroup, boolean);
+}
+
+-keepclasseswithmembernames class * implements rs.chir.utils.xml.XMLSerializable {
+    public static final rs.chir.utils.xml.XMLSerializable$XMLDeserializable DESERIALIZER;
+}
+
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class: