Enable minification for release builds

This also requires each module's package name
to be unique.

Author: keyboardsurfer

app/build.gradle

@@ -29,6 +29,13 @@ android {
         versionName "1.0"
     }
 
+    buildTypes {
+        debug {}
+        release {
+            minifyEnabled true
+        }
+    }
+
     compileOptions {
         sourceCompatibility = '1.8'
         targetCompatibility = '1.8'

features/assets/src/main/AndroidManifest.xml

@@ -18,7 +18,7 @@
 <!-- This feature module only contains a single assets file relevant to the Android app. -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:dist="http://schemas.android.com/apk/distribution"
-    package="com.google.android.samples.dynamicfeatures.ondemand"
+    package="com.google.android.samples.dynamicfeatures.ondemand.assets"
     split="assets">
 
     <dist:module

features/java/src/main/AndroidManifest.xml

@@ -17,7 +17,7 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:dist="http://schemas.android.com/apk/distribution"
-    package="com.google.android.samples.dynamicfeatures.ondemand"
+    package="com.google.android.samples.dynamicfeatures.ondemand.java"
     split="java">
 
     <dist:module

features/java/src/main/java/com/google/android/samples/dynamicfeatures/ondemand/JavaSampleActivity.java

@@ -18,6 +18,8 @@
 
 import android.os.Bundle;
 import com.google.android.samples.dynamicfeatures.BaseSplitActivity;
+import com.google.android.samples.dynamicfeatures.ondemand.java.R;
+
 import androidx.annotation.Nullable;
 
 /** A simple activity displaying text written in Java. */

features/kotlin/src/main/AndroidManifest.xml

@@ -17,7 +17,7 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:dist="http://schemas.android.com/apk/distribution"
-    package="com.google.android.samples.dynamicfeatures.ondemand"
+    package="com.google.android.samples.dynamicfeatures.ondemand.kotlin"
     split="kotlin">
 
     <dist:module

features/kotlin/src/main/java/com/google/android/samples/dynamicfeatures/ondemand/KotlinSampleActivity.kt

@@ -18,6 +18,7 @@ package com.google.android.samples.dynamicfeatures.ondemand
 
 import android.os.Bundle
 import com.google.android.samples.dynamicfeatures.BaseSplitActivity
+import com.google.android.samples.dynamicfeatures.ondemand.kotlin.R
 
 /** A simple Activity displaying some text, written in Kotlin. */
 class KotlinSampleActivity : BaseSplitActivity() {

features/native/src/main/AndroidManifest.xml

@@ -17,7 +17,7 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:dist="http://schemas.android.com/apk/distribution"
-    package="com.google.android.samples.dynamicfeatures.ondemand"
+    package="com.google.android.samples.dynamicfeatures.ondemand.ccode"
     split="native">
 
     <dist:module

features/native/src/main/java/com/google/android/samples/dynamicfeatures/ondemand/NativeSampleActivity.kt

@@ -20,6 +20,7 @@ import android.os.Bundle
 import android.widget.TextView
 import com.google.android.play.core.splitinstall.SplitInstallHelper
 import com.google.android.samples.dynamicfeatures.BaseSplitActivity
+import com.google.android.samples.dynamicfeatures.ondemand.ccode.R
 
 /** A simple activity displaying some text coming through via JNI. */
 class NativeSampleActivity : BaseSplitActivity() {