Improve Android orientation handling

@@ -28,11 +28,13 @@ public class PrintingHandler implements MethodChannel.MethodCallHandler {
             switch (call.method) {
                 case "printPdf": {
                     final String name = call.argument("name");
+                    Double width = call.argument("width");
+                    Double height = call.argument("height");
 
                     final PrintingJob printJob =
                             new PrintingJob(activity, this, (int) call.argument("job"));
                     assert name != null;
-                    printJob.printPdf(name);
+                    printJob.printPdf(name, width, height);
 
                     result.success(1);
                     break;

@@ -190,9 +190,15 @@ public class PrintingJob extends PrintDocumentAdapter {
         thread.start();
     }
 
-    void printPdf(@NonNull String name) {
+    void printPdf(@NonNull String name, @NonNull Double width, @NonNull Double height) {
         jobName = name;
-        printJob = printManager.print(name, this, null);
+
+        PrintAttributes.Builder attrBuilder = new PrintAttributes.Builder();
+        if (width > height) {
+            attrBuilder.setMediaSize(PrintAttributes.MediaSize.UNKNOWN_LANDSCAPE);
+        }
+        PrintAttributes attrib = attrBuilder.build();
+        printJob = printManager.print(name, this, attrib);
     }
 
     void cancelJob(String message) {