Tweak the print APIs.

1. Adding bundle with metadata to PrintDocumentAdapter#onLayout
   with one key for now to specify whether this is for a preview.

2. Cleaned up docs.

Change-Id: I89380781bf3ae41aa89f8a0347d74516a210394c

1 files changed, 2 insertions, 1 deletions

diff --git a/core/java/android/print/IPrintDocumentAdapter.aidl b/core/java/android/print/IPrintDocumentAdapter.aidl
index 36938e3..04da157 100644
--- a/core/java/android/print/IPrintDocumentAdapter.aidl
+++ b/core/java/android/print/IPrintDocumentAdapter.aidl
@@ -16,6 +16,7 @@
 
 package android.print;
 
+import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
 import android.print.ILayoutResultCallback;
 import android.print.IWriteResultCallback;
@@ -30,7 +31,7 @@ import android.print.PrintAttributes;
 oneway interface IPrintDocumentAdapter {
     void start();
     void layout(in PrintAttributes oldAttributes, in PrintAttributes newAttributes,
-            ILayoutResultCallback callback);
+            ILayoutResultCallback callback, in Bundle metadata);
     void write(in List<PageRange> pages, in ParcelFileDescriptor fd,
             IWriteResultCallback callback);
     void finish();