Furthermore,
In:
[Register("bulkInsert",
"(Landroid/net/Uri;[Landroid/content/ContentValues;)I", "")]
public int BulkInsert(Android.Net.Uri url, ContentValues[] values)
{
if
(ContentResolver.id_bulkInsert_Landroid_net_Uri_arrayLandroid_content_ContentValues_
== IntPtr.Zero)
ContentResolver.id_bulkInsert_Landroid_net_Uri_arrayLandroid_content_ContentValues_
= JNIEnv.GetMethodID(ContentResolver.class_ref, "bulkInsert",
"(Landroid/net/Uri;[Landroid/content/ContentValues;)I");
IntPtr num1 = JNIEnv.NewArray<ContentValues>(values);
IntPtr handle = this.Handle;
IntPtr jmethod =
ContentResolver.id_bulkInsert_Landroid_net_Uri_arrayLandroid_content_ContentValues_;
JValue[] jvalueArray = new JValue[2];
int index1 = 0;
jvalueArray[index1] = new JValue((IJavaObject) url);
int index2 = 1;
jvalueArray[index2] = new JValue(num1);
int num2 = JNIEnv.CallIntMethod(handle, jmethod, jvalueArray);
if (values != null)
{
JNIEnv.CopyArray<ContentValues>(num1, values);
JNIEnv.DeleteLocalRef(num1);
}
return num2;
}
Why is the array copied back in after the function call? values shouldn't have
changed. url certainly doesn't get the same treatment.
Jeremy
From: monodroid-boun...@lists.ximian.com
[mailto:monodroid-boun...@lists.ximian.com] On Behalf Of Jeremy A. Kolb -
ARA/NED
Sent: Thursday, January 03, 2013 4:18 PM
To: monodroid@lists.ximian.com
Subject: [mono-android] Copying data between Dalvik and Mono... major slowdown.
I'm getting killed with bulk inserts via ContentResolver because of the
marshaling of ContentValues[] between C# and Android right before it calls into
my ContentProvider (C# again). It looks like that must be two copies.
I have large arrays (a couple of thousands of elements). Is there any way to
make this faster short of not using the android content provider interfaces?
Jeremy
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