setFilter method
Specify material filter effect
Parameters:
assetUrl
can be an asset resource address defined in Flutter such as 'images/watermark_img.png' or an online image address
Note: PNG format must be used
Implementation
Future<int?> setFilter(String assetUrl) async {
String imageUrl = assetUrl;
String type = 'network'; //The default is a network image
if (assetUrl.indexOf('http') != 0) {
type = 'local';
}
var result = _channel
.invokeMethod('setFilter', {"imageUrl": imageUrl, "type": type});
return V2TXLiveFlutterResult.intValue(result);
}