showKeyboard static method
void
showKeyboard()
展示软键盘，具体可看：TextInputChannel
Implementation
static void showKeyboard() {
SystemChannels.textInput.invokeMethod('TextInput.show');
}
showKeyboard static method
展示软键盘，具体可看：TextInputChannel
static void showKeyboard() {
SystemChannels.textInput.invokeMethod('TextInput.show');
}