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標題: 藍牙控制小車手機端JAVA程序 [打印本頁]

作者: 就是這么帥 時間: 2016-4-9 21:23
標題: 藍牙控制小車手機端JAVA程序
（二）手機端JAVA程序：
1.布局文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background1">

<TextView
      android:id="@+id/textView3"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentLeft="true"
      android:layout_alignParentTop="true"
      android:layout_marginLeft="18dp"
      android:layout_marginTop="28dp"
      android:text="安卓手機藍牙控制智能小車"
      android:textAppearance="?android:attr/textAppearanceLarge" />

<TextView
      android:id="@+id/textView1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignRight="@+id/textView3"
      android:layout_below="@+id/textView3"
      android:layout_marginTop="18dp"
      android:text="重慶郵電大學自動化學院"
      android:textAppearance="?android:attr/textAppearanceLarge" />

<TextView
      android:id="@+id/textView2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignRight="@+id/textView1"
      android:layout_below="@+id/textView1"
      android:layout_marginTop="34dp"
      android:text="作者：張露"
      android:textAppearance="?android:attr/textAppearanceLarge" />

<Button
      android:id="@+id/button3"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_above="@+id/button2"
      android:layout_alignLeft="@+id/textView3"
      android:layout_marginBottom="19dp"
      android:background="@drawable/backgroundzuo"
      android:text="左轉" />

<Button
      android:id="@+id/button2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_centerHorizontal="true"
      android:background="@drawable/backgroundhou"
      android:text="后退" />

<Button
      android:id="@+id/button1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_above="@+id/button3"
      android:layout_alignLeft="@+id/button2"
      android:background="@drawable/backgroundqian"
      android:text="前進" />

<Button
      android:id="@+id/button4"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBaseline="@+id/button3"
      android:layout_alignBottom="@+id/button3"
      android:layout_marginLeft="14dp"
      android:layout_toRightOf="@+id/button1"
      android:background="@drawable/backgroundyou"
      android:text="右轉" />

<Button
      android:id="@+id/button5"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBaseline="@+id/button3"
      android:layout_alignBottom="@+id/button3"
      android:layout_centerHorizontal="true"
      android:text="停止" />

</RelativeLayout>

4.Activity文件
public class Bluetooth_lightActivity extends Activity implements OnClickListener{

      String information;
      public byte[] message = new byte[1];
      private Vibrator vibrator;

      private BluetoothAdapter btadapter = BluetoothAdapter.getDefaultAdapter();
      BluetoothDevice btDevice;
      BluetoothSocket bluetoothSocket = null;
      //BluetoothReceiver mReceiver;
      OutputStream tmpOut = null;
      private static final UUID MY_UUID_SECURE = UUID
                     .fromString("00001101-0000-1000-8000-00805F9B34FB");
      private String blueAddress="00:12:10:31:01:70";

@Override
public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_bluetooth_light);
            if (btadapter != null) {
                     if (!btadapter.isEnabled()) {
                              // 通過這個方法來請求打開我們的藍牙設備
                              Intent intent = new Intent(
                                             BluetoothAdapter.ACTION_REQUEST_ENABLE);
                              startActivity(intent);
                     }
            } else {
                     System.out.println("本地設備驅動異常!");
            }
            Button qianjin = (Button) findViewById(R.id.button1);
            Button houtui = (Button) findViewById(R.id.button2);
            Button zuozhuan = (Button) findViewById(R.id.button3);
            Button youzhuan = (Button) findViewById(R.id.button4);
            Button tingzhi = (Button) findViewById(R.id.button5);

            qianjin.setOnClickListener((OnClickListener) this);
            houtui.setOnClickListener((OnClickListener) this);
            zuozhuan.setOnClickListener((OnClickListener) this);
            youzhuan.setOnClickListener((OnClickListener) this);
            tingzhi.setOnClickListener((OnClickListener) this);

}

      public void bluesend(byte[] msg) {

            try {
                     tmpOut = bluetoothSocket.getOutputStream();
                     Log.d("send", Arrays.toString(msg));
                     tmpOut.write(msg);

            } catch (IOException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
            }
      }

      public void vibrator()
      {
            vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
            vibrator.vibrate(10);
      }

      /**
      * 按鈕點擊事件.
      * @param v
      */
      public void onClick(View v) {
            switch (v.getId()) {
            //轉寫按鈕
            case R.id.button1:
                     message[0] = (byte) 0x41;
                     vibrator();
                     Toast.makeText(this, "前進", Toast.LENGTH_LONG).show();
                     bluesend(message);
                     break;
            //設置按鈕
            case R.id.button2:
                     message[0] = (byte) 0x44;
                     vibrator();
                     Toast.makeText(this, "后退", Toast.LENGTH_LONG).show();
                     bluesend(message);
                     break;
            case R.id.button3:
                     message[0] = (byte) 0x43;
                     vibrator();
                     Toast.makeText(this, "左轉", Toast.LENGTH_LONG).show();
                     bluesend(message);
                     break;
            case R.id.button4:
                     message[0] = (byte) 0x42;
                     vibrator();
                     Toast.makeText(this, "右轉", Toast.LENGTH_LONG).show();
                     bluesend(message);
                     break;
            case R.id.button5:
                     message[0] = (byte) 0x61;
                     vibrator();
                     Toast.makeText(this, "停止", Toast.LENGTH_LONG).show();
                     bluesend(message);
                     break;

            default:
                     break;
            }
      }

@Override
public boolean onCreateOptionsMenu(Menu menu) {
      getMenuInflater().inflate(R.menu.activity_bluetooth_light, menu);
      return true;
}
      @Override
      protected void onDestroy() {
            // TODO Auto-generated method stub
            super.onDestroy();
            try {
                     bluetoothSocket.close();
            } catch (IOException e) {
                     e.printStackTrace();
            }
            //unregisterReceiver(mReceiver);
      }

      @Override
      protected void onResume() {
            // TODO Auto-generated method stub
            super.onResume();
//             Set<BluetoothDevice> devices = btadapter.getBondedDevices();
            btDevice = btadapter.getRemoteDevice(blueAddress);
            try {
                     bluetoothSocket = btDevice
                                    .createRfcommSocketToServiceRecord(MY_UUID_SECURE);
                     Log.d("ChuyingjihuaActivity", "開始連接...");
                     bluetoothSocket.connect();
                     Log.d("ChuyingjihuaActivity", "完成連接");

            } catch (IOException e) {
                     // TODO Auto-generated catch block

                     e.printStackTrace();
            }
      }
}

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