fix: harden Android dev artifacts

android/app/src/main/AndroidManifest.xml

@@ -15,7 +15,6 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:networkSecurityConfig="@xml/network_security_config"
-        android:roundIcon="@mipmap/ic_launcher"
         android:supportsRtl="true"
         android:theme="@style/Theme.WhoNeedHelp"
         android:usesCleartextTraffic="${usesCleartextTraffic}">

android/app/src/main/java/org/whoneedhelp/mobile/MainActivity.java

@@ -119,7 +119,9 @@ public final class MainActivity extends ComponentActivity {
         settings.setAllowContentAccess(false);
         settings.setMixedContentMode(WebSettings.MIXED_CONTENT_NEVER_ALLOW);
         settings.setMediaPlaybackRequiresUserGesture(true);
-        settings.setUserAgentString(settings.getUserAgentString() + " WhoNeedHelpAndroid/0.1");
+        settings.setUserAgentString(
+            settings.getUserAgentString() + " WhoNeedHelpAndroid/" + BuildConfig.VERSION_NAME
+        );
 
         CookieManager cookieManager = CookieManager.getInstance();
         cookieManager.setAcceptCookie(true);

android/app/src/main/java/org/whoneedhelp/mobile/WhoNeedHelpMessagingService.java

@@ -1,5 +1,6 @@
 package org.whoneedhelp.mobile;
 
+import android.annotation.SuppressLint;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
@@ -15,6 +16,8 @@ import com.google.firebase.messaging.RemoteMessage;
 
 import java.util.Map;
 
+// The current Firebase Installation ID API invokes onRegistered; onNewToken is deprecated.
+@SuppressLint("MissingFirebaseInstanceTokenRefresh")
 public final class WhoNeedHelpMessagingService extends FirebaseMessagingService {
     private static final String CHANNEL_ID = "who_need_help_updates";
 

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+<!-- API 33+ supplies the themed monochrome layer in mipmap-anydpi-v33. -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="MonochromeLauncherIcon">
     <background android:drawable="@color/ic_launcher_background" />
     <foreground android:drawable="@drawable/ic_launcher_foreground" />
 </adaptive-icon>