получение андроида от arduino и отображение графика

Question

Привет, моя проблема в том, что когда я запускаю программу, мое приложение падает. И здесь есть ошибка. Это мой список кодов ниже

BLUETOOTH КОДЕКСА выглядеть следующим образом

package com.example.tut; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.OutputStream; 
import java.util.ArrayList; 
import java.util.Set; 
import java.util.UUID; 
import android.app.Activity; 
import android.bluetooth.BluetoothAdapter; 
import android.bluetooth.BluetoothDevice; 
import android.bluetooth.BluetoothSocket; 
import android.content.BroadcastReceiver; 
import android.content.Context; 
import android.content.Intent; 
import android.content.IntentFilter; 
import android.os.Bundle; 
import android.os.Handler; 
import android.view.View; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
import android.widget.Toast; 
public class bluetooth extends Activity implements OnItemClickListener { 
public static void disconnect(){ 
    if (connectedThread != null){ 
     connectedThread.cancel(); 
     connectedThread = null; 
} 
} 
    public static void gethandler(Handler handler){ 
    mHandler = handler; 
} 
static Handler mHandler = new Handler(); 
static ConnectedThread connectedThread; 
public static final UUID MY_UUID  
UUID.fromString("00001101-0000-1000-8000-00805F9834FB"); 
protected static final int SUCCESS_CONNECT=0; 
protected static final int MESSAGE_READ = 1; 

ListView listview; 
ArrayAdapter<String> listAdapter; 
static BluetoothAdapter btAdapter; 
Set<BluetoothDevice> devicesArray; 
ArrayList<String> pairedDevices; 
ArrayList<BluetoothDevice> devices; 
IntentFilter filter; 
BroadcastReceiver receiver; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_bluetooth); 
    init(); 
    if (btAdapter==null){ 
     Toast.makeText(getApplicationContext(), "No BT detected", 
    0).show(); 
     finish(); 
    }else{ 
     if(!btAdapter.isEnabled()){ 
      turnOnBT(); 
     } 
     getPairedDevices(); 
     startDiscovery(); 
      } 
     } 
    private void getPairedDevices(){ 
    btAdapter.cancelDiscovery(); 
    btAdapter.startDiscovery(); 
    } 
    private void turnOnBT(){ 
    Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); 
    startActivityForResult(intent, 1); 
    } 
    private void startDiscovery(){ 
    devicesArray = btAdapter.getBondedDevices(); 
    if(devicesArray.size()>0){ 
    for(BluetoothDevice device:devicesArray){ 
     pairedDevices.add(device.getName());  
     } 
     } 
     } 
private void init(){ 
listview = (ListView)findViewById(R.id.ListView); 
listview.setOnItemClickListener(this); 
listAdapter = new ArrayAdapter<String>(this, 
android.R.layout.simple_list_item_1, 0); 
btAdapter = BluetoothAdapter.getDefaultAdapter(); 
pairedDevices = new ArrayList<String>(); 
filter = new IntentFilter(BluetoothDevice.ACTION_FOUND); 
devices = new ArrayList<BluetoothDevice>(); 
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); 
      devices.add(device); 
      String s = ""; 
      for(int a=0; a<pairedDevices.size();a++){ 
       if(device.getName().equals(pairedDevices.get(a))){ 
        s = "(Paired)"; 
        break; 
       } 
      } 
    listAdapter.add(device.getName()+""+s+""+"\n"+device.getAddress()); 
         }else if 
(BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)){ 
         }else if 
(BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)){ 
        }else if 
(BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)){ 
        if (btAdapter.getState() == btAdapter.STATE_OFF){ 
         turnOnBT(); 
        } 
       } 
    } 
    }; 
registerReceiver(receiver, filter); 
IntentFilter filter = new 
IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_STARTED); 
registerReceiver(receiver, filter); 
filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); 
registerReceiver(receiver, filter); 
filter = new 
IntentFilter(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); 
} 
@Override 
protected void onPause(){ 
super.onPause(); 
unregisterReceiver(receiver); 
} 
protected void onActivityResult(int requestCode, int resultCode, Intent 
data){ 
super.onActivityResult(requestCode, resultCode, data); 
if (resultCode == RESULT_CANCELED){ 
    Toast.makeText(getApplicationContext(), "Bluetooth must be enabled 
to continue", Toast.LENGTH_SHORT).show(); 
    } 
    } 
    @Override 
    public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 
long 
arg3) { 
// TODO Auto-generated method stub 
if (btAdapter.isDiscovering()){ 
btAdapter.cancelDiscovery(); 
} 
if (listAdapter.getItem(arg2).contains("(Paired)")){ 
BluetoothDevice selectedDevice = devices.get(arg2); 
ConnectThread connect = 
new ConnectThread(selectedDevice); 
connect.start(); 
}else { 
Toast.makeText(getApplicationContext(), "device is not paired", 
0).show(); 
    } 
    } 
    private class ConnectThread extends Thread { 
    private final BluetoothSocket mmSocket; 
    private final BluetoothDevice mmDevice; 

    public ConnectThread(BluetoothDevice device) { 
     // Use a temporary object that is later assigned to mmSocket, 
     // because mmSocket is final 
     BluetoothSocket tmp = null; 
     mmDevice = device; 

     // Get a BluetoothSocket to connect with the given 
    BluetoothDevice 
     try { 
      // MY_UUID is the app's UUID string, also used by the server 
    code 
      tmp = device.createRfcommSocketToServiceRecord(MY_UUID); 
     } catch (IOException e) { } 
     mmSocket = tmp; 
    } 

    public void run() { 
     // Cancel discovery because it will slow down the connection 
     btAdapter.cancelDiscovery(); 

     try { 
      // Connect the device through the socket. This will block 
      // until it succeeds or throws an exception 
      mmSocket.connect(); 
     } catch (IOException connectException) { 
      // Unable to connect; close the socket and get out 
      try { 
       mmSocket.close(); 
      } catch (IOException closeException) { } 
      return; 
     } 

     // Do work to manage the connection (in a separate thread) 
    mHandler.obtainMessage(SUCCESS_CONNECT,mmSocket).sendToTarget(); 
    } 

    /** Will cancel an in-progress connection, and close the socket */ 
    public void cancel() { 
     try { 
      mmSocket.close(); 
     } catch (IOException e) { } 
    } 
    } 
static class ConnectedThread extends Thread { 
    private static final int MESSAGE_READ = 0; 
    private final BluetoothSocket mmSocket; 
    private final InputStream mmInStream; 
    private final OutputStream mmOutStream; 

    public ConnectedThread(BluetoothSocket socket) { 
     mmSocket = socket; 
     InputStream tmpIn = null; 
     OutputStream tmpOut = null; 

// Get the input and output streams, using temp objects because 
     // member streams are final 
     try { 
      tmpIn = socket.getInputStream(); 
      tmpOut = socket.getOutputStream(); 
     } catch (IOException e) { } 

     mmInStream = tmpIn; 
     mmOutStream = tmpOut; 
    } 
public void run() { 
     byte[] buffer; // buffer store for the stream 
     int bytes; // bytes returned from read() 

     // Keep listening to the InputStream until an exception occurs 
     while (true) { 
      try { 
       try{ 
        sleep(30); 
       } catch(InterruptedException e){ 
        e.printStackTrace(); 
       } 
       buffer = new byte[1024]; 
       // Read from the InputStream 
       bytes = mmInStream.read(buffer); 
       // Send the obtained bytes to the UI activity 
       mHandler.obtainMessage(MESSAGE_READ, bytes, -1, buffer) 
         .sendToTarget(); 
      } catch (IOException e) { 
       break; 
      } 
     } 
     } 
    /* Call this from the main activity to send 
     * data to the remote device */ 
    public void write(String income) { 
     try { 
     mmOutStream.write(income.getBytes()); 
     try { 
      Thread.sleep(20); 
       }catch(InterruptedException e){ 
      e.printStackTrace(); 
     } 
       } catch (IOException e) { } 
    } 

    /* Call this from the main activity to shutdown the connection */ 


    public void cancel() { 
     try { 
      mmSocket.close(); 
     } catch (IOException e) { } 
    } 
    } 
    }* 

MAIN АКТИВНОСТЬ код выглядит следующим образом:

package com.example.tut; 
import android.app.Activity; 
import android.bluetooth.BluetoothSocket; 
import android.content.Intent; 
import android.content.pm.ActivityInfo; 
import android.graphics.Color; 
import android.os.Bundle; 
import android.os.Handler; 
import android.os.Message; 
import android.view.View; 
import android.view.WindowManager; 
import android.widget.Button; 
import android.widget.LinearLayout; 
import android.widget.Toast; 
import android.widget.ToggleButton; 
import com.example.tut.bluetooth.ConnectedThread; 
import com.jjoe64.graphview.GraphView; 
import com.jjoe64.graphview.GraphView.GraphViewData; 
import com.jjoe64.graphview.GraphView.LegendAlign; 
import com.jjoe64.graphview.GraphViewSeries; 
import com.jjoe64.graphview.GraphViewSeries.GraphViewStyle; 
import com.jjoe64.graphview.LineGraphView; 


public class MainActivity extends Activity implements 
View.OnClickListener { 
@Override 
public void onBackPressed(){ 
    if (bluetooth.connectedThread !=null) 
bluetooth.connectedThread.write("Q"); 
    super.onBackPressed(); 
    } 
Handler mHandler = new Handler(){ 
     @Override 
    public void handleMessage(Message msg){ 
      super.handleMessage(msg); 
      switch(msg.what){ 
      case bluetooth.SUCCESS_CONNECT: 
       bluetooth.connectedThread = new 
bluetooth.ConnectedThread((BluetoothSocket)msg.obj); 

       Toast.makeText(getApplicationContext(), 
"Connected", 0).show(); 
       String s ="Successfully connected"; 
       bluetooth.connectedThread.start(); 
       break; 
      case bluetooth.MESSAGE_READ:   
       byte[] readBuf = (byte[]) msg.obj; 
       String strIncom = new String(readBuf, 0 ,5); 


if (strIncom.indexOf('s')==0 && strIncom.indexOf('.')==2){ 
        strIncom = strIncom.replace("s",""); 
        if (isFloatNumber(strIncom)){ 

         Series.appendData(new 
GraphViewData(graph2LastXValue, 
Double.parseDouble(strIncom)),AutoScrollX); 

         if(graph2LastXValue >= Xview && Lock == true){ 

    Series.resetData(new GraphViewData[]{}); 
          graph2LastXValue = 0; 
         }else graph2LastXValue +=0.1; 


        if (Lock == true) graphView.setViewPort(0 , Xview); 


         else graphView.setViewPort(graph2LastXValue- 
    Xview, Xview); 
        //refresh 
         GraphView.removeView(graphView); 
         GraphView.addView(graphView); 
        } 

       } 
       break; 
     }} 



public boolean isFloatNumber(String num){ 
    try{ 
     Double.parseDouble(num); 
    } 
    catch(NumberFormatException nfe){ 
     return false; 
    } 
    return true; 
    } 
}; 


Button bConnect, bDisconnect, bXminus, bXplus; 
ToggleButton tblock, tbScroll, tbStream; 
static boolean Lock, AutoScrollX, Stream; 
//graph init 

static LinearLayout GraphView; 
static GraphView graphView; 
static GraphViewSeries Series; 
private static double graph2LastXValue = 0; 
private static int Xview = 10; 




@Override 
protected void 
onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 

this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 

this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
WindowManager.LayoutParams.FLAG_FULLSCREEN); 
    setContentView(R.layout.activity_main); 

    LinearLayout background = (LinearLayout)findViewById(R.id.bg); 
    background.setBackgroundColor(Color.BLACK); 
    init(); 
    Buttoninit(); 

    } 
void init(){ 
    bluetooth.gethandler(mHandler); 
    GraphView = (LinearLayout) findViewById(R.id.Graph); 
    Series = new GraphViewSeries("Signal", 
      new GraphViewStyle(Color.YELLOW, 2), 
      new GraphViewData[]{new GraphViewData(0,0)}); 
      graphView = new LineGraphView(this, "Graph"); 
      graphView.setViewPort(0, Xview); 
      graphView.setScrollable(true); 
      graphView.setScalable(true); 
      graphView.setLegendAlign(LegendAlign.BOTTOM); 
      graphView.setManualYAxis(true); 
      graphView.setManualYAxisBounds(5, 0); 
      graphView.addSeries(Series); 
      graphView.addView(graphView); 
      } 
void Buttoninit(){ 
bConnect = (Button)findViewById(R.id.bConnect); 
bConnect.setOnClickListener(this); 
bDisconnect = (Button)findViewById(R.id.bDisconnect); 
bDisconnect.setOnClickListener(this); 
bXminus = (Button)findViewById(R.id.bXminus); 
bXminus.setOnClickListener(this); 
bXplus = (Button)findViewById(R.id.bXPlus); 
bXplus.setOnClickListener(this); 
tblock = (ToggleButton)findViewById(R.id.tblock); 
tblock.setOnClickListener(this); 
tbScroll = (ToggleButton)findViewById(R.id.tbScroll); 
tbScroll.setOnClickListener(this); 
tbStream = (ToggleButton)findViewById(R.id.tbStream); 
tbStream.setOnClickListener(this); 
Lock= true; 
AutoScrollX = true; 
Stream =false; 


} 

@Override 
public void onClick(View v){ 

switch(v.getId()){ 
case R.id.bConnect: 
    startActivity(new Intent("android.intent.action.BT2")); 


    break; 
case R.id.bDisconnect: 
    break; 
case R.id.bXminus: 
    if (Xview>1) Xview--; 
    break; 
    case R.id.bXPlus: 
     if(Xview<30) Xview++; 
     break; 
    case R.id.tblock: 
     break; 

    case R.id.tbScroll: 
     if(tbScroll.isChecked()){ 
      AutoScrollX = true; 

     }else { 
      AutoScrollX = false; 

     } 

     break; 
    case R.id.tbStream: 

     if (tbStream.isChecked()){ 

     if(bluetooth.connectedThread !=null) 
bluetooth.connectedThread.write("E"); 
     }else{ 
      if(bluetooth.connectedThread !=null) 
    bluetooth.connectedThread.write("Q"); 

     } 
    break; 
} 
} 
} 

Logcat ОШИБОК выглядеть следующим образом:

02-08 04:45:53.730: D/dalvikvm(891): Not late-enabling CheckJNI (already on) 
02-08 04:45:58.230: I/dalvikvm(891): threadid=1: stack overflow on call to Landroid/view/View;.getRawLayoutDirection:I 
02-08 04:45:58.230: I/dalvikvm(891): method requires 8+20+0=28 bytes, fp is 0xb2e9f30c (12 left) 
02-08 04:45:58.230: I/dalvikvm(891): expanding stack end (0xb2e9f300 to 0xb2e9f000) 
02-08 04:45:58.230: I/dalvikvm(891): Shrank stack (to 0xb2e9f300, curFrame is 0xb2ea4ec4) 
02-08 04:45:58.240: D/AndroidRuntime(891): Shutting down VM 
02-08 04:45:58.240: W/dalvikvm(891): threadid=1: thread exiting with uncaught exception (group=0xb3aa0b90) 
02-08 04:45:58.950: D/dalvikvm(891): GC_FOR_ALLOC freed 84K, 5% free 3197K/3348K, paused 107ms, total 119ms 
02-08 04:45:59.310: D/dalvikvm(891): GC_FOR_ALLOC freed 302K, 11% free 3309K/3680K, paused 36ms, total 36ms 
02-08 04:45:59.330: E/AndroidRuntime(891): FATAL EXCEPTION: main 
02-08 04:45:59.330: E/AndroidRuntime(891): Process: com.example.tut, PID: 891 
02-08 04:45:59.330: E/AndroidRuntime(891): java.lang.StackOverflowError 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.View.isLayoutDirectionInherited(View.java:12311) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5713) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:5714) 
02-08 04:45:59.330: E/AndroidRuntime(891): at android.view.ViewGroup.resetResolvedLayoutDirection(V 
02-08 04:45:59.540: D/dalvikvm(891): GC_FOR_ALLOC freed 523K, 16% free 3263K/3860K, paused 63ms, total 63ms 
02-08 04:47:31.719: I/Process(891): Sending signal. PID: 891 SIG: 9 

РАСПОЛ BLUETOOTH

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res 
/android" 
xmlns:tools="http://schemas.android.com/tools" 
android:layout_width="match_parent" 
android:layout_height="match_parent" > 

<TextView 
    android:id="@+id/tvPd" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_alignParentTop="true" 
    android:text="Paired Devices" > 
</TextView> 

<ListView 
    android:id="@+id/listView" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_above="@+id/bConnectNew" 
    android:layout_alignParentLeft="true" 
    android:layout_below="@+id/tvPd" > 
</ListView> 

</RelativeLayout> 

РАСПОЛ ACTIVITY_MAIN

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:tools="http://schemas.android.com/tools" 
android:id="@+id/bg" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:keepScreenOn="true" 
android:orientation="horizontal" 
android:weightSum="100" > 

<LinearLayout 
    android:id="@+id/Graph" 
    android:layout_width="fill_parent" 
    android:layout_height="match_parent" 
    android:orientation="horizontal" 
    android:layout_weight="15" /> 

<LinearLayout 
    android:id="@+id/LL2" 
    android:layout_width="fill_parent" 
    android:layout_height="match_parent" 
    android:layout_weight="85" 
    android:orientation="vertical" > 

    <TextView 
     android:id="@+id/tvBluetooth" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentTop="true" 
     android:text="Bluetooth" 
     android:textSize="15dp" 
     android:textColor="@color/white"/> 

    <Button 
     android:id="@+id/bConnect" 
     android:layout_width="fill_parent" 
     android:layout_height="30dp" 
     android:text="Connect" 
     android:textSize="10dp" 
     android:textColor="@color/white"/> 

    <Button 
     android:id="@+id/bDisconnect" 
     android:layout_width="fill_parent" 
     android:layout_height="30dp" 
     android:text="Disconnect" 
     android:textSize="10dp" 
     android:textColor="@color/white"/> 

    <TextView 
     android:id="@+id/tvControl" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentTop="true" 
     android:text="Control" 
     android:textSize="15dp" 
     android:textColor="@color/white" /> 

    <ToggleButton 
     android:id="@+id/tbStream" 
     android:layout_width="fill_parent" 
     android:layout_height="50dp" 
     android:layout_alignParentLeft="true" 
     android:checked="false" 
     android:textOff="Start Stream" 
     android:textOn="Start Stream" 
     android:textColor="@color/white"/> 

    <ToggleButton 
     android:id="@+id/tbScroll" 
     android:layout_width="fill_parent" 
     android:layout_height="50dp" 
     android:layout_alignParentLeft="true" 
     android:checked="true" 
     android:textOff="Auto Scroll X" 
     android:textOn="Auto Scroll X" 
     android:textColor="@color/white" /> 

    <ToggleButton 
     android:id="@+id/tbLock" 
     android:layout_width="fill_parent" 
     android:layout_height="50dp" 
     android:layout_alignParentLeft="true" 
     android:checked="true" 
     android:textOff="Lock Xaxis" 
     android:textOn="Lock Xaxis" 
     android:textColor="@color/white" /> 

    <LinearLayout 
     android:id="@+id/LLX" 
     android:layout_width="fill_parent" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:orientation="horizontal" 
     android:weightSum="100" > 

     <Button 
      android:id="@+id/bXminus" 
      android:layout_width="match_parent" 
      android:layout_height="30dp" 
      android:layout_weight="50" 
      android:text="-" 
      android:textSize="12dp" 
      android:textColor="@color/white"/> 

     <Button 
      android:id="@+id/bXplus" 
      android:layout_width="match_parent" 
      android:layout_height="30dp" 
      android:layout_weight="50" 
      android:text="+" 
      android:textSize="12dp" 
      android:textColor="@color/white"/> 
    </LinearLayout> 
</LinearLayout> 

</LinearLayout> 

ARDUINO КОДЫ

#define sensorPin A0 

void setup() { 
Serial.begin(115200); 
} 

void loop() { 
if(Serial.available()>0){ 
char re = Serial.read(); 

switch(re){ 
case 'E': 
start(); 
break; 
} 
} 
} 

void start(){ 
while(1){ 
Serial.print('s'); 
Serial.print(floatMap(analogRead(sensorPin),0,1023,0,5),2); 
delay(10); 

if(Serial.available()>0){ 
if (Serial.read()=='Q') return; 
} 
} 
} 

float floatMap(float x, float inMin, float inMax, float outMin, float 
outMax){ 
return (x-inMin)*(outMax-outMin)/(inMax-inMin)+outMin; 
} 

Answer 1

В init методом MainActivity, заменить

graphView.addView(graphView); 

с

GraphView.addView(graphView); 

Вы не должны добавить представление к себе.

Это должно решить проблему.