[Mono.Android] Fix incorrect Context.RegisterReceiver enumification.

Author: jpobst

src/Mono.Android/Android.Content/Context.cs

@@ -1,4 +1,5 @@
 using System;
+using Android.OS;
 using Android.Runtime;
 
 namespace Android.Content {
@@ -15,6 +16,13 @@ public void StartActivity (Type type)
 		// Added in API-26, converted to enum in API-33, constant needed for backwards compatibility
 		[Obsolete ("This constant will be removed in the future version. Use Android.Content.ReceiverFlags enum directly instead of this field.")]
 		public const int ReceiverVisibleToInstantApps = 1;
+
+		// Add correctly enumified overloads
+		public Intent? RegisterReceiver (BroadcastReceiver? receiver, IntentFilter? filter, ReceiverFlags flags)
+			=> RegisterReceiver (receiver, filter, (ActivityFlags)flags);
+
+		public Intent? RegisterReceiver (BroadcastReceiver? receiver, IntentFilter? filter, string? broadcastPermission, Handler? scheduler, ReceiverFlags flags)
+			=> RegisterReceiver (receiver, filter, broadcastPermission, scheduler, (ActivityFlags)flags);
 #endif
 	}
 }

src/Mono.Android/metadata

@@ -1722,6 +1722,14 @@
   <attr api-since="34" path="/api/package[@name='android.view']/class[@name='View']/method[@name='setSystemUiVisibility']" name="deprecated">This property has an incorrect enumeration type. Use the SystemUiFlags property instead.</attr>
   <attr api-since="34" path="/api/package[@name='android.view']/class[@name='View']/method[@name='setSystemUiVisibility']" name="deprecated-since">0</attr>
 
+  <!-- Fix some incorrectly enumified methods -->
+  <attr api-since="26" path="/api/package[@name='android.content']/class[@name='Context']/method[@name='registerReceiver' and count(parameter)=3 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+  <attr api-since="26" path="/api/package[@name='android.content']/class[@name='Context']/method[@name='registerReceiver' and count(parameter)=5 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='java.lang.String'] and parameter[4][@type='android.os.Handler'] and parameter[5][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+  <attr api-since="26" path="/api/package[@name='android.content']/class[@name='ContextWrapper']/method[@name='registerReceiver' and count(parameter)=3 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+  <attr api-since="26" path="/api/package[@name='android.content']/class[@name='ContextWrapper']/method[@name='registerReceiver' and count(parameter)=5 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='java.lang.String'] and parameter[4][@type='android.os.Handler'] and parameter[5][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+  <attr api-since="26" path="/api/package[@name='android.test.mock']/class[@name='MockContext']/method[@name='registerReceiver' and count(parameter)=3 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+  <attr api-since="26" path="/api/package[@name='android.test.mock']/class[@name='MockContext']/method[@name='registerReceiver' and count(parameter)=5 and parameter[1][@type='android.content.BroadcastReceiver'] and parameter[2][@type='android.content.IntentFilter'] and parameter[3][@type='java.lang.String'] and parameter[4][@type='android.os.Handler'] and parameter[5][@type='int']]" name="deprecated">This method has an incorrect enumeration type. Use the overload that takes ReceiverFlags instead.</attr>
+	
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