Added new releaseAppBundle target that adds full native libraries symbols

.gitignore

@@ -23,5 +23,6 @@ res/value-hi_IN
 linphone-sdk-android/*.aar
 app/debug
 app/release
+app/releaseAppBundle
 keystore.properties
 app/src/main/res/xml/contacts.xml

README.md

@@ -52,6 +52,10 @@ to install the generated APK in the previous step (use installRelease instead if
 
 APK files are stored within ```./app/build/outputs/apk/debug/``` and ```./app/build/outputs/apk/release/``` directories.
 
+When building a release AppBundle, use releaseAppBundle target instead of release. 
+Also make sure you have a NDK installed and that you have an environment variable named ```ANDROID_NDK_HOME``` that contains the path to the NDK.
+This is to be able to include native libraries symbols into app bundle for the Play Store.
+
 ## Building a local SDK
 
 1. Clone the linphone-sdk repository from out gitlab:

app/build.gradle

@@ -62,7 +62,14 @@ android {
         versionName "${project.version}"
         applicationId getPackageName()
     }
-    ndkVersion "21.3.6528147"
+
+    // Required to be able to generate app bundle with native libraries symbols, see releaseAppBundle below
+    def ndkHome = System.getenv('ANDROID_NDK_HOME')
+    if (ndkHome == null || !new File(ndkHome + "/source.properties").exists()) {
+        ndkVersion "21.3.6528147"
+    } else {
+        ndkPath ndkHome
+    }
 
     applicationVariants.all { variant ->
         variant.outputs.all {
@@ -70,7 +77,7 @@ android {
         }
 
         // See https://developer.android.com/studio/releases/gradle-plugin#3-6-0-behavior for why extractNativeLibs is set to true in debug flavor
-        if (variant.buildType.name == "release") {
+        if (variant.buildType.name == "release" || variant.buildType.name == "releaseAppBundle") {
             variant.getMergedFlavor().manifestPlaceholders = [linphone_address_mime_type: "vnd.android.cursor.item/vnd." + getPackageName() + ".provider.sip_address",
                                                             linphone_file_provider: getPackageName() + ".fileprovider",
                                                             appLabel: "@string/app_name",
@@ -98,7 +105,6 @@ android {
 
     buildTypes {
         release {
-            ndk.debugSymbolLevel = 'SYMBOL_TABLE'
             minifyEnabled true
             signingConfig signingConfigs.release
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
@@ -112,6 +118,11 @@ android {
             }
         }
 
+        releaseAppBundle {
+            initWith release
+            ndk.debugSymbolLevel = 'FULL'
+        }
+
         debug {
             applicationIdSuffix ".debug"
             debuggable true