?? thinbtclient.java
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package com.ThinBTClient.www;import android.app.Activity;import android.os.Bundle;import java.io.IOException;import java.io.OutputStream; import java.util.UUID; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket;import android.content.DialogInterface;import android.content.DialogInterface.OnClickListener; import android.os.Bundle;import android.provider.ContactsContract.CommonDataKinds.Event; import android.util.Log;import android.view.Gravity;import android.view.MotionEvent;import android.view.View; import android.widget.Button;import android.widget.Toast;public class ThinBTClient extends Activity { private static final String TAG = "THINBTCLIENT"; private static final boolean D = true; private BluetoothAdapter mBluetoothAdapter = null; private BluetoothSocket btSocket = null; private OutputStream outStream = null; Button mButtonF; Button mButtonB; Button mButtonL; Button mButtonR; Button mButtonS; private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); private static String address = "00:11:03:21:00:43"; // <==要連接的藍牙設備MAC地址 /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //前進 mButtonF=(Button)findViewById(R.id.btnF); mButtonF.setOnTouchListener(new Button.OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub String message; byte[] msgBuffer; int action = event.getAction(); switch(action) { case MotionEvent.ACTION_DOWN: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "1"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; case MotionEvent.ACTION_UP: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "0"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; } return false; } }); //后退 mButtonB=(Button)findViewById(R.id.btnB); mButtonB.setOnTouchListener(new Button.OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub String message; byte[] msgBuffer; int action = event.getAction(); switch(action) { case MotionEvent.ACTION_DOWN: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "3"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; case MotionEvent.ACTION_UP: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "0"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; } return false; } }); //左轉 mButtonL=(Button)findViewById(R.id.btnL); mButtonL.setOnTouchListener(new Button.OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub String message; byte[] msgBuffer; int action = event.getAction(); switch(action) { case MotionEvent.ACTION_DOWN: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "2"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; case MotionEvent.ACTION_UP: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "0"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; } return false; } }); //右轉 mButtonR=(Button)findViewById(R.id.btnR); mButtonR.setOnTouchListener(new Button.OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub String message; byte[] msgBuffer; int action = event.getAction(); switch(action) { case MotionEvent.ACTION_DOWN: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "4"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; case MotionEvent.ACTION_UP: try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } message = "0"; msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } break; } return false; } }); //停止 mButtonS=(Button)findViewById(R.id.btnS); mButtonS.setOnTouchListener(new Button.OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub if(event.getAction()==MotionEvent.ACTION_DOWN) try { outStream = btSocket.getOutputStream(); } catch (IOException e) { Log.e(TAG, "ON RESUME: Output stream creation failed.", e); } String message = "0"; byte[] msgBuffer = message.getBytes(); try { outStream.write(msgBuffer); } catch (IOException e) { Log.e(TAG, "ON RESUME: Exception during write.", e); } return false; } }); if (D) Log.e(TAG, "+++ ON CREATE +++"); mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if (mBluetoothAdapter == null) { Toast.makeText(this, "藍牙設備不可用，請打開藍牙！", Toast.LENGTH_LONG).show(); finish(); return; } if (!mBluetoothAdapter.isEnabled()) { Toast.makeText(this, "請打開藍牙并重新運行程序！", Toast.LENGTH_LONG).show(); finish(); return; } if (D) Log.e(TAG, "+++ DONE IN ON CREATE, GOT LOCAL BT ADAPTER +++"); } @Override public void onStart() { super.onStart(); if (D) Log.e(TAG, "++ ON START ++"); } @Override public void onResume() { super.onResume(); if (D) { Log.e(TAG, "+ ON RESUME +"); Log.e(TAG, "+ ABOUT TO ATTEMPT CLIENT CONNECT +"); } DisplayToast("正在嘗試連接智能小車，請稍后····"); BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address); try { btSocket = device.createRfcommSocketToServiceRecord(MY_UUID); } catch (IOException e) { DisplayToast("套接字創建失敗！"); } DisplayToast("成功連接智能小車！可以開始操控了~~~"); mBluetoothAdapter.cancelDiscovery(); try { btSocket.connect(); DisplayToast("連接成功建立，數據連接打開！"); } catch (IOException e) { try { btSocket.close(); } catch (IOException e2) { DisplayToast("連接沒有建立，無法關閉套接字！"); } } // Create a data stream so we can talk to server. if (D) Log.e(TAG, "+ ABOUT TO SAY SOMETHING TO SERVER +"); } @Override public void onPause() { super.onPause(); if (D) Log.e(TAG, "- ON PAUSE -"); if (outStream != null) { try { outStream.flush(); } catch (IOException e) { Log.e(TAG, "ON PAUSE: Couldn't flush output stream.", e); } } try { btSocket.close(); } catch (IOException e2) { DisplayToast("套接字關閉失敗！"); } } @Override public void onStop() { super.onStop(); if (D)Log.e(TAG, "-- ON STOP --"); } @Override public void onDestroy() { super.onDestroy(); if (D) Log.e(TAG, "--- ON DESTROY ---"); } public void DisplayToast(String str) { Toast toast=Toast.makeText(this, str, Toast.LENGTH_LONG); toast.setGravity(Gravity.TOP, 0, 220); toast.show(); }}?? 快捷鍵說明
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