bluetooth.rar_android 蓝牙_android bluetooth_android蓝牙_蓝牙_蓝牙通信

package com.ovo.ovodan.utils.bluetooth; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothManager; import android.bluetooth.BluetoothSocket; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Handler; import com.ovo.ovodan.activity.BluetoothActivity; import com.ovo.ovodan.app.MyApplication; import com.ovo.ovodan.utils.LogUtils; import com.ovo.ovodan.utils.SPUtils; import java.util.ArrayList; import java.util.Set; import java.util.UUID; import java.util.concurrent.Executor; import java.util.concurrent.Executors; /** * 蓝牙工具类 */ public class BlueToothUtils { private final String TAG = this.getClass().getSimpleName(); private static BlueToothUtils utils = null; private BluetoothAdapter bluetoothAdapter; private final UUID SPP_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); private Executor executor; //当前链接蓝牙 private static BluetoothSocket mSocket; private ArrayList<BluetoothDevice> deviceList = new ArrayList<>();//扫描到的远程蓝牙设备 private Handler handler; private Listener listener; public static BluetoothDevice mDevice = null; private boolean enabled = false;//蓝牙是否可用 private final int SCANTIME = 5*1000;//扫描时间 private final int requestCode = 2002;// public static BlueToothUtils getInstance(){ if (utils == null){ synchronized (BlueToothUtils.class){ if (utils == null){ utils = new BlueToothUtils(); } } } return utils; } /** * 判断是否打开蓝牙 * 没有就静默打开 */ public void isOpen(Handler mHandler, Listener mListener){ handler = mHandler; listener = mListener; ReceiveUtils.getInstance().setListener(listener); BluetoothManager bluetoothManager = (BluetoothManager) MyApplication.context.getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = bluetoothManager.getAdapter(); // null:表示不支持蓝牙 if (bluetoothAdapter == null){ return; } connetGatt(); } /** * 链接已配对蓝牙设备 */ public void connetGatt(){ if (bluetoothAdapter != null){ // true:处于打开状态, false:处于关闭状态 enabled = bluetoothAdapter.isEnabled(); if (!enabled){ MyApplication.activity.startActivityForResult(new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE), requestCode); }else {//获取已配对蓝牙 Set<BluetoothDevice> devicesSet = bluetoothAdapter.getBondedDevices(); deviceList.clear(); for (BluetoothDevice device : devicesSet) { deviceList.add(device); handler.sendEmptyMessage(BluetoothActivity.SCAN_SUCC); LogUtils.log(TAG,"已配对蓝牙" + device.getName()); String connetAddress = (String) SPUtils.get(MyApplication.context, SPUtils.BLUETOOTH_ADDRESS, ""); if (device.getAddress().equals(connetAddress)){ if (bluetoothAdapter.isDiscovering()){ scanning(false); } LogUtils.log(TAG,"链接已配对蓝牙设备" + device.getName()); connet(device); } } } } } /** * 扫描设备 */ public void scanning(boolean enable){ if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()){ handler.sendEmptyMessage(BluetoothActivity.SCAN_OPEN); return; } if (bluetoothAdapter != null){ if (enable){ if (handler != null){ handler.postDelayed(new Runnable() { @Override public void run() { bluetoothAdapter.cancelDiscovery(); handler.sendEmptyMessage(BluetoothActivity.SCAN_CLOSE); LogUtils.log("BlueToothUtils", "停止扫描设备"); } }, SCANTIME); } deviceList.clear(); connetGatt(); // 寻找蓝牙设备，android会将查找到的设备以广播形式发出去 this.bluetoothAdapter.startDiscovery(); LogUtils.log("BlueToothUtils", "开始扫描设备"); }else { handler.removeCallbacksAndMessages(null); handler.sendEmptyMessage(BluetoothActivity.SCAN_CLOSE); bluetoothAdapter.cancelDiscovery(); LogUtils.log("BlueToothUtils", "停止扫描设备"); } } } /** * 注册广播 */ public void initIntentFilter() { // 设置广播信息过滤 IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(BluetoothDevice.ACTION_FOUND); intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED); intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); // 注册广播接收器，接收并处理搜索结果 MyApplication.context.registerReceiver(receiver, intentFilter); } /** * 销毁广播 */ public void unregisterReceiver() { MyApplication.context.unregisterReceiver(receiver); } /** * 蓝牙广播接收器 */ private BroadcastReceiver receiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (BluetoothDevice.ACTION_FOUND.equals(action)) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); LogUtils.log(TAG,"搜索到蓝牙设备名称:" + device.getName()); LogUtils.log(TAG,"搜索到蓝牙设备地址:" + device.getAddress()); if (device.getBondState() != BluetoothDevice.BOND_BONDED) { deviceList.add(device); handler.sendEmptyMessage(BluetoothActivity.SCAN_SUCC); } } else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) { LogUtils.log(TAG,"搜索蓝牙设备中..."); } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) { LogUtils.log(TAG,"设备搜索完毕"); handler.sendEmptyMessage(BluetoothActivity.SCAN_SUCC); // bluetoothAdapter.cancelDiscovery(); } if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) { if (bluetoothAdapter == null) return; if (bluetoothAdapter.getState() == BluetoothAdapter.STATE_ON) { LogUtils.log(TAG,"打开蓝牙"); enabled = bluetoothAdapter.isEnabled(); connetGatt(); } else if (bluetoothAdapter.getState() == BluetoothAdapter.STATE_OFF) { LogUtils.log(TAG,"关闭蓝牙"); } } } }; /** * 选择链接蓝牙设备 */ public void connet(BluetoothDevice device){ if (bluetoothAdapter != null && device != null){ ReceiveUtils.getInstance().close(); listener.