This plugin to help use bluetooth printer in Android/iOS. Support for text, image, add new line or line dashed and QR.
BluePrintPos bluePrintPos = BluePrintPos.instance; bluePrintPos.scan();bluePrintPos.connect(device);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);receiptText.addLeftRightText('Time', '04/06/21, 10:00');final ByteData logoBytes = await rootBundle.load('assets/logo.jpg');
receiptText.addImage(
base64.encode(Uint8List.view(logoBytes.buffer)),
width: 150,
);receiptText.addSpacer();receiptText.addSpacer(useDashed: true);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"/>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>Reference and dependencies create this plugin