藍牙小車手機遙控軟件
BlueTooth_SmartCarActivity.java文件java
package cn.BlueTooth_SmartCar;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.UUID;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Vibrator;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
public class BlueTooth_SmartCarActivity extends Activity {
String information;
public byte[] message = new byte[1];
private Vibrator vibrator;//震動設置
private BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice btDevice;
BluetoothSocket bluetoothSocket = null;
OutputStream tmpOut = null;
private static final UUID MY_UUID = UUID.fromString("37849990-8AAD-4E9F-88D5-8E417CBF02C3");
private String Address = "00:12:10:31:04:08";
Button buttonUP; //方向按鍵
Button buttonDOWN;
Button buttonLeftTop;
Button buttonRightTop;
Button buttonLeftDown;
Button buttonRightDown;
TextView textViewDeviceName;
TextView textViewSuccessed;
TextView textViewProgress;
SeekBar seekBar;
int i = 70; //初始速度值
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
buttonUP=(Button)findViewById(R.id.buttonUP);
buttonDOWN=(Button)findViewById(R.id.buttonDOWN);
buttonRightTop=(Button)findViewById(R.id.buttonRightTop);
buttonLeftTop=(Button)findViewById(R.id.buttonLeftTop);
buttonLeftDown=(Button)findViewById(R.id.buttonLeftDown);
buttonRightDown=(Button)findViewById(R.id.buttonRightDown);
textViewDeviceName=(TextView)findViewById(R.id.textViewDeviceName);
textViewSuccessed=(TextView)findViewById(R.id.textViewSuccessed);
textViewProgress=(TextView)findViewById(R.id.textViewProgress);
seekBar=(SeekBar)findViewById(R.id.seekBar);
buttonUP.setOnTouchListener(new ButtonOnTouchListener());
buttonDOWN.setOnTouchListener(new ButtonOnTouchListener());
buttonLeftTop.setOnTouchListener(new ButtonOnTouchListener());
buttonRightTop.setOnTouchListener(new ButtonOnTouchListener());
buttonLeftDown.setOnTouchListener(new ButtonOnTouchListener());
buttonRightDown.setOnTouchListener(new ButtonOnTouchListener());
seekBar.setOnSeekBarChangeListener(new SeekBarListener());
//檢測藍牙適配器
if(btAdapter != null){
System.out.println("藍牙設備驅動正常");
if(!btAdapter.isEnabled()){
Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivity(intent);
System.out.println("適配器不可用");
}
else System.out.println("適配器可用");
} else System.out.println("藍牙設備驅動異常");
textViewProgress.setText("當前速度："+i);
seekBar.setProgress(70);
}
/******發送信息方法*********/
public void bluesend(byte[] msg){
try{
tmpOut = bluetoothSocket.getOutputStream();
System.out.println("生成輸出流");
Log.d("send",Arrays.toString(msg));
System.out.println("正在把輸出流送到緩存區");
tmpOut.write(msg);
System.out.println("成功輸出流送到緩存區");
}catch(IOException e){
e.printStackTrace();
System.out.println("沒法生成輸出流或把輸出流送到緩存區");
}
}
/******震動10ms方法******/
public void vibrator(){
vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(20);
System.out.println("震動20ms");
}
/*****SeekBar********/
private class SeekBarListener implements SeekBar.OnSeekBarChangeListener{
@Override//進度條改變時
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
i = seekBar.getProgress();
textViewProgress.setText("當前速度："+i);
}
@Override//開始拖動滑塊時
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
i= seekBar.getProgress();
textViewProgress.setText("當前速度："+i);
}
@Override//結束拖動滑塊時
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
i= seekBar.getProgress();
textViewProgress.setText("當前速度:"+i);
int k;
k = i/10;
if(k==10) k=9;
//將整型轉變爲字符串型
String j = String.valueOf(k);
byte[] msgBuffer = j.getBytes();
bluesend(msgBuffer);
}
}
/********按鍵監聽器**************/
class ButtonOnTouchListener implements OnTouchListener{
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
int action = event.getAction();
action = event.getAction();
switch(action){
case MotionEvent.ACTION_DOWN:
switch(v.getId()){
case R.id.buttonUP:
message[0] = (byte)0x41;//A的ASCII碼65;
vibrator();//震動10ms
bluesend(message);
System.out.println("前進");
break;
case R.id.buttonDOWN:
message[0] = (byte)0x42;//B的ASCII碼66;
vibrator();//震動10ms
bluesend(message);
System.out.println("後退");
break;
case R.id.buttonLeftTop:
message[0] = (byte)0x43;//S的ASCII碼69;
vibrator();//震動10ms
bluesend(message);
System.out.println("左上");
break;
case R.id.buttonRightTop:
message[0] = (byte)0x44;//F的ASCII碼70;
vibrator();//震動10ms
bluesend(message);
System.out.println("右上");
break;
case R.id.buttonLeftDown:
message[0] = (byte)0x45;//G的ASCII碼71;
vibrator();//震動10ms
bluesend(message);
System.out.println("左下");
break;
case R.id.buttonRightDown:
message[0] = (byte)0x46;//H的ASCII碼72;
vibrator();//震動10ms
bluesend(message);
System.out.println("右下");
break;
}
break;
case MotionEvent.ACTION_UP:
message[0] = (byte)0x61;//a的ASCII碼;
vibrator();//震動10ms
bluesend(message);
System.out.println("鬆手中止");
break;
}
return false;
}
}
/*********菜單************/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
menu.add(0, 0, 0, "退出");
menu.add(0, 1, 1, "遙控");
menu.add(0, 2, 2, "循跡");
menu.add(0, 3, 3, "紅外");
menu.add(0, 4, 4, "金探");
menu.add(0, 5, 5, "測溫");
menu.add(0, 6, 6, "測溼");
menu.add(0, 7, 7, "測速");
menu.add(0, 8, 8, "避障");
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
byte[] msgBufferWay = new byte[1] ;
if(item.getItemId()==0){
finish();
}
if(item.getItemId()==1){
msgBufferWay[0] = (byte)0x62;//b的ASCII碼;
bluesend(msgBufferWay);
}
if(item.getItemId()==2){
msgBufferWay[0] = (byte)0x63;//c的ASCII碼;
bluesend(msgBufferWay);
}
if(item.getItemId()==3){
msgBufferWay[0] = (byte)0x64;//d的ASCII碼;;
bluesend(msgBufferWay);
}
if(item.getItemId()==4){
msgBufferWay[0] = (byte)0x65;//e的ASCII碼;;
bluesend(msgBufferWay);
}
if(item.getItemId()==5){
msgBufferWay[0] = (byte)0x66;//f的ASCII碼;;
bluesend(msgBufferWay);
}
if(item.getItemId()==6){
msgBufferWay[0] = (byte)0x67;//g的ASCII碼;;
bluesend(msgBufferWay);
}
if(item.getItemId()==7){
msgBufferWay[0] = (byte)0x68;//h的ASCII碼;;
bluesend(msgBufferWay);
}
if(item.getItemId()==8){
msgBufferWay[0] = (byte)0x69;//i的ASCII碼;;
bluesend(msgBufferWay);
}
return super.onOptionsItemSelected(item);
}
/******onResume階段***********/
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
btDevice = btAdapter.getRemoteDevice(Address);
System.out.println("根據地址獲取到遠程藍牙設備");
if(btDevice!=null){
textViewDeviceName.setText("你所鏈接的設備是："+btDevice.getName());
}
try {
// bluetoothSocket = btDevice.createRfcommSocketToServiceRecord(MY_UUID);
/*******藍牙鏈接***********/
Method m;
try {
m = btDevice.getClass().getMethod("createRfcommSocket", new Class[] {int.class});
bluetoothSocket = (BluetoothSocket) m.invoke(btDevice, Integer.valueOf(1));
} catch (SecurityException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (NoSuchMethodException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("根據UUID獲取到遠程藍牙設備客戶端");
bluetoothSocket.connect();
System.out.println("已鏈接到遠程設備");
textViewSuccessed.setText("設備鏈接：成功");
} catch (IOException e) {
// TODO Auto-generated catch block
textViewSuccessed.setText("設備鏈接：未成功");
e.printStackTrace();
}
}
/********銷燬階段********/
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
try {
bluetoothSocket.close();
System.out.println("正在關閉客戶端");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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