The Code :
package com.led.led; import android.app.Application; import android.media.AudioManager; import android.media.ToneGenerator; import android.net.Uri; import android.os.Handler; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.bluetooth.BluetoothSocket; import android.content.Intent; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.SeekBar; import android.widget.Switch; import android.widget.TextView; import android.widget.Toast; import android.app.ProgressDialog; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.os.AsyncTask; import android.widget.ToggleButton; import com.jjoe64.graphview.GraphView; import com.jjoe64.graphview.Viewport; import com.jjoe64.graphview.series.DataPoint; import com.jjoe64.graphview.series.LineGraphSeries; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.util.Random; import java.util.UUID; import java.util.Timer; import java.util.TimerTask; public class ledControl extends ActionBarActivity { Button btnDis, eStatistic; ToggleButton lamp1, lamp2, lamp3, lamp4, fan1, fan2, fan3, fan4, leftgate, rightgate, bothgate, aircond1, aircond2, aircond3, door1, door2; ToggleButton hbtoggle; Switch Alarmswitch; CheckBox Autolamp; String address = null; SeekBar brightness; TextView lumn, showBPM, displaywakeup; private ProgressDialog progress; BluetoothAdapter myBluetooth = null; BluetoothSocket btSocket = null; private BufferedReader BufferedReader = null; private boolean isBtConnected = false; //SPP UUID. Look for it static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); public static String EXTRA_USAGE = "electric_usage"; String aString = null; InputStream aStream = null; InputStreamReader aReader = null; private BufferedReader mBufferedReader = null; private static final Random RANDOM = new Random(); private LineGraphSeries<DataPoint> series; private int lastX = 4, rhrcount=0; OutputStream mmOutputStream; InputStream mmInputStream; Thread workerThread; byte[] readBuffer; int readBufferPosition; boolean latch = false, graphing=true; int counter, intdata=0, bitpm=0; int[] intusage = {252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252}; int bpm = 0, xaxis=0, currentusage = 0, usage[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}; volatile boolean stopWorker; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent newint = getIntent(); address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS); //receive the address of the bluetooth device //view of the ledControl setContentView(R.layout.activity_led_control); //call the widgtes btnDis = (Button)findViewById(R.id.button2); eStatistic = (Button)findViewById(R.id.Statistic); brightness = (SeekBar)findViewById(R.id.seekBar); lumn = (TextView)findViewById(R.id.lumn); lamp1 = (ToggleButton)findViewById(R.id.LamptoggleButton); lamp2 = (ToggleButton)findViewById(R.id.FantoggleButton); lamp3 = (ToggleButton)findViewById(R.id.toggleButton); lamp4 = (ToggleButton)findViewById(R.id.WindowtoggleButton); Autolamp = (CheckBox)findViewById(R.id.checkBoxAuto); fan1 = (ToggleButton)findViewById(R.id.toggleButton2); fan2 = (ToggleButton)findViewById(R.id.toggleButton3); fan3 = (ToggleButton)findViewById(R.id.toggleButton4); fan4 = (ToggleButton)findViewById(R.id.toggleButton5); hbtoggle = (ToggleButton)findViewById(R.id.HBtoggle); aircond1 = (ToggleButton)findViewById(R.id.toggleButton10); aircond2 = (ToggleButton)findViewById(R.id.toggleButton14); aircond3 = (ToggleButton)findViewById(R.id.toggleButton6); leftgate = (ToggleButton)findViewById(R.id.leftgate); rightgate = (ToggleButton)findViewById(R.id.rightgate); bothgate = (ToggleButton)findViewById(R.id.bothgate); Alarmswitch = (Switch)findViewById(R.id.Alarmswitch); showBPM = (TextView)findViewById(R.id.BPMShow); displaywakeup = (TextView)findViewById(R.id.displaywakeup); GraphView graph = (GraphView) findViewById(R.id.graph); series = new LineGraphSeries<DataPoint>(); new ConnectBT().execute(); //Call the class to connect //commands to be sent to bluetooth graph.addSeries(series); Viewport viewport = graph.getViewport(); viewport.setYAxisBoundsManual(true); viewport.setMinY(0); viewport.setMaxY(10); viewport.setScrollable(true); Alarmswitch.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if (Alarmswitch.isChecked()) onAlarm(); else offAlarm(); } }); lamp1.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if (lamp1.getText().toString().equals("ON")) { onlamp1(); setauto(); displaywakeup.setText("Wakeup"); usage[1]=1; } else{ offlamp1(); usage[1]=0;} } }); lamp2.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if (lamp2.getText().toString().equals("ON")) onlamp2(); else offlamp2(); } }); lamp3.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if(lamp3.getText().toString().equals("ON")) onlamp3(); else offlamp3(); } }); ......
void beginListenForData() { final Handler handler = new Handler(); final byte delimiter = 45; //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) { try { int bytesAvailable = mmInputStream.available(); if(bytesAvailable > 0) { byte[] packetBytes = new byte[bytesAvailable]; mmInputStream.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); final String data = new String(encodedBytes, "US-ASCII"); readBufferPosition = 0; int intdata = Integer.parseInt(data); if(intdata<=10) bpm=intdata; else { bitpm = intdata; rhrcount++; } handler.post(new Runnable() { public void run() { int intdata = Integer.parseInt(data); if(rhrcount>100) displaywakeup.setText("Wake UP"); if(intdata>10) showBPM.setText(data); } }); latch = false; } else if(latch==true) { readBuffer[readBufferPosition++] = b; } else if(b == 35) { latch = true; } else { } } } } catch (IOException ex) { stopWorker = true; } } } }); workerThread.start(); } }
......
Please View the full Code on my Google Drive (Click Skip Ads After Clicking link below):
View on Google Drive
You can GET the CHEAPEST Arduino here:
1. Amazon link 1 (Arduino Nano)
2. Amazon link 2 (Arduino Nano)
3. Amazon link 3 (Arduino Nano)
