connect to a Bluetooth Device and Write list of string - Android android.bluetooth

Android examples for android.bluetooth:Bluetooth

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Description

connect to a Bluetooth Device and Write list of string

Demo Code

import android.annotation.TargetApi;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.os.Build;
import android.util.Log;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.UUID;

public class Main{

    static final UUID UUID_RFCOMM_GENERIC = UUID
            .fromString("00001101-0000-1000-8000-00805F9B34FB");
    @TargetApi(Build.VERSION_CODES.GINGERBREAD_MR1)
    public static boolean connectWriteBlocos(BluetoothDevice device,
            final List<String[]> nota) {
        BluetoothAdapter mBTAdapter = BluetoothAdapter.getDefaultAdapter();
        Log.i("Bluetooth MAC: ", device.getAddress());
        BluetoothDevice mBTDevice = mBTAdapter.getRemoteDevice(device
                .getAddress());/*from w  ww  .  j av  a2  s  .  co  m*/
        BluetoothSocket mBTSocket;
        try {
            mBTSocket = mBTDevice
                    .createRfcommSocketToServiceRecord(UUID_RFCOMM_GENERIC);
            //mBTSocket = mBTDevice.createInsecureRfcommSocketToServiceRecord(UUID_RFCOMM_GENERIC);
            mBTSocket.connect();
            OutputStream mBTOutputStream = mBTSocket.getOutputStream();

            mBTOutputStream.write(nota.get(0)[0].getBytes());
            for (int i = 0; i < nota.get(1).length; i++) {
                mBTOutputStream.write(nota.get(1)[i].getBytes());
            }

            mBTOutputStream.write(nota.get(2)[0].getBytes());
            Thread.sleep(12000 + (nota.get(1).length * 8000));

            mBTOutputStream.close();
            return true;
        } catch (Exception e1) {
            e1.printStackTrace();
            return false;
        }
    }
    @SuppressWarnings({ "unchecked", "rawtypes", "unused" })
    public static Boolean connect(BluetoothDevice bdDevice) {
        Boolean bool = false;
        try {
            Class cl = Class.forName("android.bluetooth.BluetoothDevice");
            Class[] par = {};
            Method method = cl.getMethod("createBond", par);
            Object[] args = {};
            bool = (Boolean) method.invoke(bdDevice);//, args);// this invoke creates the detected devices paired.
        } catch (Exception e) {
            e.printStackTrace();
        }
        return bool.booleanValue();
    }

}

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