chore: fix package name

android/app/build.gradle

@@ -43,7 +43,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.contact_tracing"
+        applicationId "com.hoba.contact_tracing"
         minSdkVersion 21 //flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()

android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.hoba.contact_tracing">
+    package="com.example.contact_tracing">
     <application
         android:label="Contact Tracing"
         android:name="${applicationName}"