/// <summary>
/// Try to garbage collect <paramref name="value"/>.
/// </summary>
/// <returns>
/// <c>true</c>, if <paramref name="value"/> was collected and
/// <paramref name="handle"/> is invalid; otherwise <c>false</c>.
/// </returns>
/// <param name="value">
/// The <see cref="T:Java.Interop.IJavaPeerable"/> instance to collect.
/// </param>
/// <param name="handle">
/// The <see cref="T:Java.Interop.JniObjectReference"/> of <paramref name="value"/>.
/// This value may be updated, and <see cref="P:Java.Interop.IJavaObject.PeerReference"/>
/// will be updated with this value.
/// </param>
internal protected virtual bool TryGC(IJavaPeerable value, ref JniObjectReference handle)
{
if (!handle.IsValid)
{
return(true);
}
var wgref = handle.NewWeakGlobalRef();
JniObjectReference.Dispose(ref handle);
JniGC.Collect();
handle = wgref.NewGlobalRef();
JniObjectReference.Dispose(ref wgref);
return(!handle.IsValid);
}
public JniWeakGlobalReference NewWeakGlobalRef()
{
var r = new JniObjectReference(DangerousGetHandle(), ReferenceType);
return(new JniWeakGlobalReference(r.NewWeakGlobalRef().Handle));
}
