私のプロジェクトでは、Bluetoothを介してバーコードスキャナーSymbolCS3070を使用してバーコードを読み取る必要があります。すなわち; Bluetoothを介してAndroidデバイスとバーコードスキャナー間の接続を確立する必要があります。バーコードリーダーから値を読み取る方法と通信のセットアップ方法を教えてもらえますか?Bluetooth開発者ガイドをすでに読みましたが、Bluetoothキーボードエミュレーション(HID)モードでバーコードリーダーを使用したくありません(ソフトキーボードとバーコードリーダーを使用して入力できるテキストビューがあり、制御できません焦点)
このようなスレッドを使用して、リーダーと通信します
private class BarcodeReaderThread extends Thread {
private final BluetoothServerSocket mmServerSocket;
public BarcodeReaderThread(UUID UUID_BLUETOOTH) {
// Use a temporary object that is later assigned to mmServerSocket,
// because mmServerSocket is final
BluetoothServerSocket tmp = null;
try {
// MY_UUID is the app's UUID string, also used by the client code
tmp = mBluetoothAdapter.listenUsingRfcommWithServiceRecord("BarcodeScannerForSGST", UUID_BLUETOOTH);
/*
* The UUID is also included in the SDP entry and will be the basis for the connection
* agreement with the client device. That is, when the client attempts to connect with this device,
* it will carry a UUID that uniquely identifies the service with which it wants to connect.
* These UUIDs must match in order for the connection to be accepted (in the next step)
*/
} catch (IOException e) { }
mmServerSocket = tmp;
}
public void run() {
BluetoothSocket socket = null;
// Keep listening until exception occurs or a socket is returned
while (true) {
try {
socket = mmServerSocket.accept();
try {
// If a connection was accepted
if (socket != null) {
// Do work to manage the connection (in a separate thread)
InputStream mmInStream = null;
// Get the input and output streams, using temp objects because
// member streams are final
mmInStream = socket.getInputStream();
byte[] buffer = new byte[1024]; // buffer store for the stream
int bytes; // bytes returned from read()
// Keep listening to the InputStream until an exception occurs
// Read from the InputStream
bytes = mmInStream.read(buffer);
if (bytes > 0) {
// Send the obtained bytes to the UI activity
String readMessage = new String(buffer, 0, bytes);
//doMainUIOp(BARCODE_READ, readMessage);
if (readMessage.length() > 0 && !etMlfb.isEnabled()) //Se sono nella parte di picking
new ServerWorker().execute(new Object[] {LEGGI_SPED, readMessage});
}
socket.close();
}
}
catch (Exception ex) { }
} catch (IOException e) {
break;
}
}
}
/**
* Will cancel the listening socket, and cause the thread to finish
*/
public void cancel() {
try {
mmServerSocket.close();
} catch (IOException e) { }
}
}
ありがとう