Android蓝牙通信的简要设计与开发

windows操作系统、Android Studio

主函数BluetoothChat（部分）

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getSupportActionBar().hide();  //隐藏标题栏
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, 1);
            }
        }
        Toolbar toolbar = findViewById(R.id.toolbar);
        //创建选项菜单
        toolbar.inflateMenu(R.menu.option_menu);
        //选项菜单监听
        toolbar.setonMenuItemClickListener(new MyMenuItemClickListener());
        mTitle = findViewById(R.id.title_left_text);
        mTitle.setText(R.string.app_name);
        mTitle = findViewById(R.id.title_right_text);
        // 得到本地蓝牙适配器
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        if (mBluetoothAdapter == null) {
            Toast.makeText(this, "蓝牙不可用", Toast.LENGTH_LONG).show();
            finish();
            return;
        }
        if (!mBluetoothAdapter.isEnabled()) { //若当前设备蓝牙功能未开启
            Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
            startActivityForResult(enableIntent, REQUEST_ENABLE_BT); //
        } else {
            if (mChatService == null) {
                setupChat();  //创建会话
            }
        }
    }

activity_main.xml

代码已上传至gitee