Skip to content

Flutter plugin to use bluetooth print in Android and iOS

License

Notifications You must be signed in to change notification settings

evermos/blue_print_pos

 
 

Repository files navigation

Introduction

This plugin to help use bluetooth printer in Android/iOS. Support for text, image, add new line or line dashed and QR.

Usage

Initialize

BluePrintPos bluePrintPos = BluePrintPos.instance; 

Scan bluetooth printer

bluePrintPos.scan();

Connect bluetooth printer

bluePrintPos.connect(device);

Print Text

In method .addText(text, {size, style, alignment}) you can modify size, style and alignment

ReceiptSectionText receiptText = ReceiptSectionText();
receiptText.addText('MY STORE', size: ReceiptTextSizeType.medium, style: ReceiptTextStyleType.bold);

Print text left right

receiptText.addLeftRightText('Time', '04/06/21, 10:00');

Print image

final ByteData logoBytes = await rootBundle.load('assets/logo.jpg');
receiptText.addImage(
  base64.encode(Uint8List.view(logoBytes.buffer)),
  width: 150,
);

Add new line

receiptText.addSpacer();

Add new line with dash

receiptText.addSpacer(useDashed: true);

Getting Started

Android

Change the minSdkVersion in android/app/build.gradle in 19

android {
  defaultConfig {
     minSdkVersion 19
  }
}

Add permission for Bluetooth and access location in android/app/src/main/AndroidManifest.xml

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

iOS

Add info key in ios/Runner/Info.plist

<key>NSBluetoothAlwaysUsageDescription</key>  
<string>Need BLE permission</string>  
<key>NSBluetoothPeripheralUsageDescription</key>  
<string>Need BLE permission</string>  
<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>  
<string>Need Location permission</string>  
<key>NSLocationAlwaysUsageDescription</key>  
<string>Need Location permission</string>  
<key>NSLocationWhenInUseUsageDescription</key>  
<string>Need Location permission</string>

Thanks to

Reference and dependencies create this plugin

About

Flutter plugin to use bluetooth print in Android and iOS

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages

  • Dart 64.2%
  • Kotlin 17.0%
  • Swift 13.4%
  • Ruby 4.1%
  • Objective-C 1.3%