private static String TAG = BluetoothUtils.class.getSimpleName();

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1 import android.bluetooth.bluetoothadapter; import android.bluetooth.bluetoothdevice; import android.bluetooth.bluetoothsocket; import android.content.context; import android.content.intent; import android.util.log; import android.widget.toast; import java.io.ioexception; import java.io.inputstream; import java.io.outputstream; import java.lang.reflect.invocationtargetexception; import java.util.set; import java.util.uuid; public class BluetoothUtils { private static String TAG = BluetoothUtils.class.getSimpleName(); private static Context context; public static void setcontext(context c) {context=c; private static BluetoothSocket socket; private static BluetoothDevice device; private static OutputStream outputstream; private static InputStream inputstream; private static BluetoothAdapter bluetoothadapter; private static byte[] readbuffer; private static int readbufferposition; private static String data; private static int counter; private static volatile boolean stopworker; private static Thread workerthread; private static volatile boolean initialized = false; public static String getdata() { return data; public static void initialize() { checkbluetoothstate(); findbt(); openbt(); // initialize() public static void checkbluetoothstate() { bluetoothadapter = BluetoothAdapter.getDefaultAdapter(); if (bluetoothadapter == null) { AndroidUtils.makeToast("Bluetooth is not supported.", Toast.LENGTH_LONG);

2 else{ if (bluetoothadapter.isenabled()) { if(bluetoothadapter.isdiscovering()) { AndroidUtils.makeToast("Bluetooth is currently in device discovery process.", Toast.LENGTH_SHORT); else { AndroidUtils.makeToast("Bluetooth is enabled", Toast.LENGTH_SHORT); else { AndroidUtils.makeToast("Bluetooth is NOT enabled!", Toast.LENGTH_SHORT); Intent enablebtintent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); enablebtintent.addflags(intent.flag_activity_new_task); if( context!= null ) context.startactivity(enablebtintent); // checkbluetoothstate() public static void findbt() { if(bluetoothadapter == null) { AndroidUtils.makeToast("No bluetooth adapter available", Toast.LENGTH_SHORT); if(!bluetoothadapter.isenabled()) { Intent enablebtintent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); enablebtintent.addflags(intent.flag_activity_new_task); context.startactivity(enablebtintent); Set<BluetoothDevice> paireddevices = bluetoothadapter.getbondeddevices(); if(paireddevices.size() > 0) { for(bluetoothdevice device : paireddevices) { // name of BT device if(device.getname().equals("sunrise")) { BluetoothUtils.device = device; Log.i(TAG, "Device " + device.getname() + " found."); AndroidUtils.makeToast("Bluetooth device found", Toast.LENGTH_SHORT); break; // findbt() public static void openbt() { UUID uuid = UUID.fromString(" f9b34fb"); //Standard SerialPortService ID if( device!=null ) { //if( socket==null ) { socket = device.createrfcommsockettoservicerecord(uuid);

3 if(!socket.isconnected()) socket.connect(); outputstream = socket.getoutputstream(); inputstream = socket.getinputstream(); catch (IOException e) { socket.close(); Log.e(TAG, "socket connection failed, trying fallback..."); socket =(BluetoothSocket) device.getclass().getmethod("createrfcommsocket", new Class[] {int.class).invoke(device,1); if(!socket.isconnected()) socket.connect(); outputstream = socket.getoutputstream(); inputstream = socket.getinputstream(); Log.e(TAG, "Connected"); initialized = true; catch (IOException e1) { Log.e(TAG, e1.getmessage()); catch (InvocationTargetException e1) { e1.printstacktrace(); catch (NoSuchMethodException e1) { e1.printstacktrace(); catch (IllegalAccessException e1) { e1.printstacktrace(); // openbt() public static void senddata(string data) { String msg = data; if( outputstream==null ) openbt(); if( outputstream!= null ) outputstream.write(msg.getbytes()); catch(ioexception e) { Log.e(TAG, e.getmessage()); // senddata() public static void closebt() throws IOException { if( outputstream!=null ) outputstream.close(); if( inputstream!=null ) inputstream.close(); if( socket!=null ) socket.close(); // closebt()

4 public static void beginlistenfordata() { final byte delimiter = 10; //This is the ASCII code for a newline character stopworker = false; readbufferposition = 0; readbuffer = new byte[1024]; workerthread = new Thread(new Runnable() { public void run() { while(!thread.currentthread().isinterrupted() &&!stopworker) { if( inputstream!=null ) { int bytesavailable = inputstream.available(); if (bytesavailable > 0) { byte[] packetbytes = new byte[bytesavailable]; inputstream.read(packetbytes); for (int i = 0; i < bytesavailable; i++) { byte b = packetbytes[i]; if (b == delimiter) { byte[] encodedbytes = new byte[readbufferposition]; System.arraycopy(readBuffer, 0, encodedbytes, 0, encodedbytes.length); data = new String(encodedBytes, "US-ASCII"); Log.d(TAG, "Data received: " + data); if( data.contains("h") && data.contains("m") && data.contains("a") && data.contains("b") ) { //decode(); stopworker = true; return; readbufferposition = 0; else { readbuffer[readbufferposition++] = b; catch (IOException ex) { stopworker = true; ); workerthread.start(); // beginlistenfordata() public static void stoplistenfordata() { stopworker = true; // stoplistenfordata() public static TimeAlarm decode () { TimeAlarm value=null;

5 // e.g. ch11m23a6b10 if( data!=null ) { Log.i(TAG, "Read via bluetooth: " + data); if( data.contains("h") && data.contains("m") && data.contains("a") && data.contains("b") ) { int hpos = data.indexof("h"); int mpos = data.indexof("m"); int apos = data.indexof("a"); int bpos = data.indexof("b"); // TimeAlarm(int h, int m, int ah, int am) value = new TimeAlarm(Integer.valueOf(data.substring(hPos + 1, mpos )), Integer.valueOf(data.substring(mPos + 1, apos )), Integer.valueOf(data.substring(aPos + 1, bpos)), Integer.valueOf(data.substring(bPos + 1, data.length()))); // end listen for data thread stopworker=true; data = ""; return value; return value; // decode() public static void setdebugmode() { String command = "de"; // setdebugmode() public static void settime(int hour, int minute) { String command = i"; String h = String.valueOf(hour); if (h.length() == 1) { command +="0"; command += h; command += ":"; String m = String.valueOf(minute); if (m.length() == 1) { command += "0"; command += m; // settime() public static void setalarm(int hour, int minute) {

6 String command = "s"; String h = String.valueOf(hour); if (h.length() == 1) { command +="0"; command += h; command += ":"; String m = String.valueOf(minute); if (m.length() == 1) { command += "0"; command += m; // setalarm() public static void resetalarm() { String command = "zz"; // resetalarm() public static void snooze() { String command = "kz"; // snooze() public static void alarmoff() { String command = "tz"; // alarmoff() public static void clearbuffers() { String command = "lz"; // clearbuffers() public static void moodlight(int number) { String command = "m"; command += String.valueOf(number); // clearbuffers() public static void rainbow(int number) { String command = "r";

7 command += String.valueOf(number); // rainbow() public static void nightmode(int number) { String command = "y"; command += String.valueOf(number); // nightmode()

// MainActivity.java ; Noah Spenser; Senior Design; Diabetic Breathalyzer

// MainActivity.java ; Noah Spenser; Senior Design; Diabetic Breathalyzer package com.noahspenser.seniordesign; import android.os.parcel; import android.os.parcelable; import android.support.v7.app.appcompatactivity;