hideKeyboard method
void
hideKeyboard()
隐藏软键盘，具体可看：TextInputChannel
Implementation
void hideKeyboard() {
SystemChannels.textInput.invokeMethod('TextInput.hide');
}
hideKeyboard method
隐藏软键盘，具体可看：TextInputChannel
void hideKeyboard() {
SystemChannels.textInput.invokeMethod('TextInput.hide');
}