Fixes for release

.gitignore

@@ -22,3 +22,4 @@ app/google-services.json
 **/.vscode
 res/value-hi_IN
 linphone-sdk-android/*.aar
+app/release

app/build.gradle

@@ -71,6 +71,7 @@ android {
         release {
             minifyEnabled true
             signingConfig signingConfigs.release
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         debug {
             applicationIdSuffix ".debug"

app/proguard-rules.pro

@@ -1,21 +1 @@
-# 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
-
-# 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 *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
+-dontwarn org.apache.**