[hautv] Add proguard-rules to example for release

jitsi_meet_wrapper/example/android/app/build.gradle

@@ -55,6 +55,8 @@ android {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig signingConfigs.debug
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 }

jitsi_meet_wrapper/example/android/app/proguard-rules.pro

@@ -0,0 +1,109 @@
+#=== Flutter Wrapper ===#
+-keep class io.flutter.app.** { *; }
+-keep class io.flutter.plugin.**  { *; }
+-keep class io.flutter.util.**  { *; }
+-keep class io.flutter.view.**  { *; }
+-keep class io.flutter.**  { *; }
+-keep class io.flutter.plugins.**  { *; }
+
+#=== Jitsi ===#
+# Source: https://github.com/jitsi/jitsi-meet/blob/master/android/app/proguard-rules.pro
+# Check above link for changes if release builds are broken again
+
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+# 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:
+
+# 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>; }
+
+-dontwarn com.facebook.react.**
+-keep,includedescriptorclasses class com.facebook.react.bridge.** { *; }
+
+# okhttp
+
+-keepattributes Signature
+-keepattributes *Annotation*
+-keep class okhttp3.** { *; }
+-keep interface okhttp3.** { *; }
+-dontwarn okhttp3.**
+
+# okio
+
+-keep class sun.misc.Unsafe { *; }
+-dontwarn java.nio.file.*
+-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
+-keep class okio.** { *; }
+-dontwarn okio.**
+
+# WebRTC
+
+-keep class org.webrtc.** { *; }
+-dontwarn org.chromium.build.BuildHooksAndroid
+
+# Jisti Meet SDK
+
+-keep class org.jitsi.meet.** { *; }
+-keep class org.jitsi.meet.sdk.** { *; }
+
+# 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.** { *; }
+
+-dontwarn com.facebook.react.devsupport.**
+-dontwarn com.google.appengine.**
+-dontwarn com.squareup.okhttp.**
+-dontwarn javax.servlet.**
+
+# ^^^ We added the above when we switched minifyEnabled on.
+
+# Rule to avoid build errors related to SVGs.
+-keep public class com.horcrux.svg.** {*;}
+
+# Hermes
+-keep class com.facebook.hermes.unicode.** { *; }
+