/// <summary>
/// 将打印命令发送给打印机
/// </summary>
/// <param name="bytes"></param>
public void Write(byte[] bytes)
{
try
{
if (null == bytes || bytes.Length <= 0)
{
return;
}
if (null == mAdapter)
{
mAdapter = BluetoothAdapter.DefaultAdapter;
}
if (null == mBtService)
{
mBtService = new BtService(mContext);
}
if (mBtService.GetState() != BtService.STATE_CONNECTED)
{
if (!string.IsNullOrEmpty(App.BtAddress))
{
BluetoothDevice device = mAdapter.GetRemoteDevice(App.BtAddress);
mBtService.Connect(device);
return;
}
}
mBtService.Write(bytes);
}
catch (Exception e)
{
//e.printStackTrace();
}
}
/// <summary>
/// 断开连接
/// </summary>
public void Disconnect()
{
try
{
if (mQueue != null && mQueue.Any())
{
mQueue.Clear();
}
if (null != mBtService)
{
mBtService.Stop();
mBtService = null;
}
if (null != mAdapter)
{
mAdapter = null;
}
}
catch (Exception e)
{
//e.printStackTrace();
}
}
/// <summary>
/// 打印队列
/// </summary>
public void Print()
{
lock (Lock)
{
try
{
if (null == mQueue || mQueue.Count() <= 0)
{
return;
}
if (null == mAdapter)
{
mAdapter = BluetoothAdapter.DefaultAdapter;
}
if (null == mBtService)
{
mBtService = new BtService(mContext);
}
//没有连接时，重新连接
if (mBtService.GetState() != BtService.STATE_CONNECTED)
{
if (!string.IsNullOrEmpty(App.BtAddress))
{
BluetoothDevice device = mAdapter.GetRemoteDevice(App.BtAddress);
//连接
mBtService.Connect(device);
return;
}
}
while (mQueue.Count() > 0)
{
mBtService.Write(mQueue[0]);
mQueue.RemoveAt(0);
}
}
catch (Exception)
{
//e.printStackTrace();
}
}
}
public override void Run()
{
//Log.i(TAG, "BEGIN mConnectedThread");
//缓冲
byte[] buffer = new byte[1024];
int bytes;
// 连接时继续收听InputStream
while (true)
{
try
{
// 从输入流读取
bytes = mmInStream.Read(buffer);
// 发送数据
//EventBus.getDefault().post(new BtMsgReadEvent(bytes, buffer));
}
catch (IOException e)
{
//Log.e(TAG, "disconnected", e);
ConnectionLost();
// 重新启动服务以重新启动侦听模式
BtService.Start();
break;
}
catch (Exception)
{
ConnectionLost();
BtService.Start();
break;
}
}
}
