void DoCommitContent(string description, string mimeType, File file)
{
var editorInfo = CurrentInputEditorInfo;
// Validate packageName again just in case.
if (!ValidatePackageName(editorInfo))
{
return;
}
var contentUri = FileProvider.GetUriForFile(this, Authority, file);
// As you as an IME author are most likely to have to implement your own content provider
// to support CommitContent API, it is important to have a clear spec about what
// applications are going to be allowed to access the content that your are going to share.
int flag;
if ((int)Build.VERSION.SdkInt >= 25)
{
// On API 25 and later devices, as an analogy of Intent.FLAG_GRANT_READ_URI_PERMISSION,
// you can specify InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION to give
// a temporary read access to the recipient application without exporting your content
// provider.
flag = InputConnectionCompat.InputContentGrantReadUriPermission;
}
else
{
// On API 24 and prior devices, we cannot rely on
// InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION. You as an IME author
// need to decide what access control is needed (or not needed) for content URIs that
// you are going to expose. This sample uses Context.grantUriPermission(), but you can
// implement your own mechanism that satisfies your own requirements.
flag = 0;
try
{
// TODO: Use revokeUriPermission to revoke as needed.
GrantUriPermission(
editorInfo.PackageName, contentUri, ActivityFlags.GrantReadUriPermission);
}
catch (Exception e)
{
Log.Error(Tag, "grantUriPermission failed packageName=" + editorInfo.PackageName
+ " contentUri=" + contentUri, e);
}
}
var inputContentInfoCompat = new InputContentInfoCompat(
contentUri,
new ClipDescription(description, new [] { mimeType }),
null /* linkUrl */);
InputConnectionCompat.CommitContent(
CurrentInputConnection, CurrentInputEditorInfo, inputContentInfoCompat,
flag, null);
}
public override IInputConnection OnCreateInputConnection(EditorInfo editorInfo)
{
var ic = base.OnCreateInputConnection(editorInfo);
EditorInfoCompat.SetContentMimeTypes(editorInfo, MimeTypes);
var callback = new OnCommitContentListenerImpl()
{
MimeTypes = MimeTypes, Owner = Owner
};
return(InputConnectionCompat.CreateWrapper(ic, editorInfo, callback));
}
public override IInputConnection OnCreateInputConnection(EditorInfo outAttrs)
{
var ic = base.OnCreateInputConnection(outAttrs);
outAttrs.ImeOptions = outAttrs.ImeOptions | Android.Views.InputMethods.ImeFlags.NoPersonalizedLearning;
if (ic != null)
{
// allow image insertion
EditorInfoCompat.SetContentMimeTypes(outAttrs, new string[] { "image/gif" });
ic = InputConnectionCompat.CreateWrapper(ic, outAttrs, this);
}
return(ic);
}