A Flutter plugin for sharing file to specified app in Android.
final _shareSpecifiedAppPlugin = ShareSpecifiedApp();
_shareSpecifiedAppPlugin.shareFile(
path: filePath, // provide local file path
packageName: "com.tencent.mobileqq", // share file to qq
whenNotFoundApp: () {
ScaffoldMessenger.of(context)
.showSnackBar(const SnackBar(content: Text('Not found app.')));
});