# flutter_usb_printer_nullsafety

**Repository Path**: CodeHeros/flutter_usb_printer_nullsafety

## Basic Information

- **Project Name**: flutter_usb_printer_nullsafety
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: GPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-09-01
- **Last Updated**: 2021-09-01

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# flutter_usb_printer

This plugin just migrate flutter_usb_printer to null safety, thanks to developer.

This plugin will allow develop send data and work with usb printer on android

## Getting Started

```
    flutter pub add flutter_usb_printer
```

## Example of Usage

```
_getDevicelist() async {
    List<Map<String, dynamic>> results = [];
    results = await FlutterUsbPrinter.getUSBDeviceList();

    print(" length: ${results.length}");
    setState(() {
      devices = results;
    });
}

_connect(int vendorId, int productId) async {
    bool returned;
    try {
      returned = await flutterUsbPrinter.connect(vendorId, productId);
    } on PlatformException {
      //response = 'Failed to get platform version.';
    }
    if (returned) {
      setState(() {
        connected = true;
      });
    }
}

_print() async {
    try {
      var data = Uint8List.fromList(
          utf8.encode(" Hello world Testing ESC POS printer..."));
      await flutterUsbPrinter.write(data);
      // await FlutterUsbPrinter.printRawData("text");
      // await FlutterUsbPrinter.printText("Testing ESC POS printer...");
    } on PlatformException {
      //response = 'Failed to get platform version.';
    }
}

```