android实现蓝牙app代码
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2020-08-27
10:37:27
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android实现蓝牙实现蓝牙app代码代码
主要为大家详细介绍了android实现蓝牙app的代码，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
本文实例为大家分享了android实现蓝牙app的具体代码，供大家参考，具体内容如下
private BluetoothGatt bluetoothGatt;
private BluetoothGattService gattService;
private BluetoothGattCharacteristic gattCharacteristic;
private BluetoothManager bluetoothManager;
private BluetoothAdapter bluetoothAdapter;
private List<BluetoothDevice> devices = new ArrayList<>();
private UUID serviceUUID; //不同设备 不同uuid
private UUID characteristicUUID; //不同设备 不同uuid
private final UUID service4UUID= UUID.fromString("0000fff0-0000-1000-8000-00805f9b34fb");
private final UUID charAUUID = UUID.fromString("0000fffa-0000-1000-8000-00805f9b34fb");
private LightReceiver lightReceiver;
private ScanReceiver scanReceiver;
private ListView listView;
private TextView tvrefresh;
private String lightAction;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.i("tag", "MainActivity onCreate()");
//
listView = (ListView) findViewById(R.id.lv_bluetooth);
tvrefresh = (TextView) findViewById(R.id.tv_refresh_bluetooth);
tvrefresh.setOnClickListener(this);
openBluetooth();
registeLigthReceiver();
registeScanReceiver();
}
@Override
protected void onStart() {
super.onStart();
Log.i("tag", "MainActivity onStart()");
bluetoothScan();
}
//返回
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
Log.i("tag", "MainActivity onKeyUp()");
this.finish();
return super.onKeyUp(keyCode, event);
}
//重新扫描蓝牙
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.tv_refresh_bluetooth:
//蓝牙扫描
bluetoothScan();
break;
default:
break;
}
}
//打开本地蓝牙
private void openBluetooth() {
Log.i("tag", "openLocalBluetooth()");
//检查手机是否支持蓝牙4.0
if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
Toast.makeText(this, "手机不支持蓝牙4.0", Toast.LENGTH_SHORT).show();
finish();
}
//调用系统服务的方式，请求开启蓝牙
bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
bluetoothAdapter = bluetoothManager.getAdapter();
//开启蓝牙
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