diff --git a/android/src/main/java/com/pinmi/react/printer/adapter/BLEPrinterAdapter.java b/android/src/main/java/com/pinmi/react/printer/adapter/BLEPrinterAdapter.java index 3b5a22f..9d77969 100644 --- a/android/src/main/java/com/pinmi/react/printer/adapter/BLEPrinterAdapter.java +++ b/android/src/main/java/com/pinmi/react/printer/adapter/BLEPrinterAdapter.java @@ -128,13 +128,19 @@ public void selectDevice(PrinterDeviceId printerDeviceId, Callback successCallba if(device.getAddress().equals(blePrinterDeviceId.getInnerMacAddress())){ try{ - connectBluetoothDevice(device); + connectBluetoothDevice(device, false); successCallback.invoke(new BLEPrinterDevice(this.mBluetoothDevice).toRNWritableMap()); return; - }catch (IOException e){ - e.printStackTrace(); - errorCallback.invoke(e.getMessage()); - return; + } catch (IOException e) { + try { + connectBluetoothDevice(device, true); + successCallback.invoke(new BLEPrinterDevice(this.mBluetoothDevice).toRNWritableMap()); + return; + } catch (IOException er) { + er.printStackTrace(); + errorCallback.invoke(er.getMessage()); + return; + } } } } @@ -144,11 +150,22 @@ public void selectDevice(PrinterDeviceId printerDeviceId, Callback successCallba return; } - private void connectBluetoothDevice(BluetoothDevice device) throws IOException{ + private void connectBluetoothDevice(BluetoothDevice device, Boolean retry) throws IOException { UUID uuid = UUID.fromString("00001101-0000-1000-8000-00805f9b34fb"); - this.mBluetoothSocket = device.createRfcommSocketToServiceRecord(uuid); - this.mBluetoothSocket.connect(); - this.mBluetoothDevice = device;//最后一步执行 + + if (retry) { + try { + this.mBluetoothSocket = (BluetoothSocket) device.getClass() + .getMethod("createRfcommSocket", new Class[] { int.class }).invoke(device, 1); + } catch (Exception e) { + e.printStackTrace(); + } + } else { + this.mBluetoothSocket = device.createInsecureRfcommSocketToServiceRecord(uuid); + this.mBluetoothSocket.connect(); + } + + this.mBluetoothDevice = device;// 最后一步执行 }