fork download
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  1. package mashiro.fan;
  2.  
  3. import java.io.IOException;
  4. import java.io.InputStream;
  5. import java.io.OutputStream;
  6. import java.lang.reflect.Method;
  7. import java.util.UUID;
  8.  
  9.  
  10.  
  11. import android.app.Activity;
  12. import android.bluetooth.BluetoothAdapter;
  13. import android.bluetooth.BluetoothDevice;
  14. import android.bluetooth.BluetoothSocket;
  15. import android.content.Intent;
  16. import android.os.Build;
  17. import android.os.Bundle;
  18. import android.os.Handler;
  19. import android.util.Log;
  20. import android.view.View;
  21. import android.view.View.OnClickListener;
  22. import android.widget.Button;
  23. import android.widget.TextView;
  24. import android.widget.Toast;
  25.  
  26. public class MainActivity extends Activity {
  27.     private static final String TAG = "fan";
  28.  
  29.     Button connect, button, button2, button3, button4, button5, button6, button7, button8, button9;
  30.  
  31.     TextView textView;
  32.  
  33.     TextView textView2;
  34.     TextView textView3;
  35.  
  36.  
  37.     Handler h;
  38.  
  39.     final int RECIEVE_MESSAGE = 1;        // Status  for Handler
  40.     private BluetoothAdapter btAdapter = null;
  41.     private BluetoothSocket btSocket = null;
  42.     private StringBuilder sb = new StringBuilder();
  43.  
  44.     private ConnectedThread mConnectedThread;
  45.  
  46.     // SPP UUID service
  47.     private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
  48.  
  49.     // MAC-address of Bluetooth module (you must edit this line)
  50.     private static String address = "98:D3:32:30:47:11";
  51.  
  52.     /** Called when the activity is first created. */
  53.     @Override
  54.     public void onCreate(Bundle savedInstanceState) {
  55.         super.onCreate(savedInstanceState);
  56.  
  57.         setContentView(R.layout.activity_main);
  58.  
  59.         connect = (Button) findViewById(R.id.connect);
  60.         button = (Button) findViewById(R.id.button);
  61.         button2 = (Button) findViewById(R.id.button2);
  62.         button3 = (Button) findViewById(R.id.button3);
  63.         button4 = (Button) findViewById(R.id.button4);
  64.         button5 = (Button) findViewById(R.id.button5);
  65.         button6 = (Button) findViewById(R.id.button6);
  66.         button7 = (Button) findViewById(R.id.button7);
  67.         button8 = (Button) findViewById(R.id.button8);
  68.         button9 = (Button) findViewById(R.id.button9);      // for display the received data from the Arduino
  69.  
  70.         h = new Handler() {
  71.             public void handleMessage(android.os.Message msg) {
  72.                 switch (msg.what) {
  73.                     case RECIEVE_MESSAGE:                                                   // if receive massage
  74.                         byte[] readBuf = (byte[]) msg.obj;
  75.                         String strIncom = new String(readBuf, 0, msg.arg1);                 // create string from bytes array
  76.                         sb.append(strIncom);                                                // append string
  77.                         int endOfLineIndex = sb.indexOf("\r\n");                            // determine the end-of-line
  78.                         if (endOfLineIndex > 0) {                                            // if end-of-line,
  79.                             String sbprint = sb.substring(0, endOfLineIndex);               // extract string
  80.                             sb.delete(0, sb.length());                                      // and clear
  81.                             textView.setText("現在時間: " + sbprint);            // update TextView
  82.                             button.setEnabled(true);
  83.                             button2.setEnabled(true);
  84.                             button3.setEnabled(true);
  85.                             button4.setEnabled(true);
  86.                             button5.setEnabled(true);
  87.                             button6.setEnabled(true);
  88.                             button7.setEnabled(true);
  89.                             button8.setEnabled(true);
  90.                         }
  91.                         //Log.d(TAG, "...String:"+ sb.toString() +  "Byte:" + msg.arg1 + "...");
  92.                         break;
  93.                 }
  94.             };
  95.         };
  96.  
  97.         btAdapter = BluetoothAdapter.getDefaultAdapter();       // get Bluetooth adapter
  98.         checkBTState();
  99.  
  100.         button2.setOnClickListener(new OnClickListener() {
  101.             public void onClick(View v) {
  102.                 mConnectedThread.write("g");
  103.                 TextView text = (TextView) findViewById(R.id.textView3);
  104.                 text.setText("現在模式:自動模式");
  105.                 button.setEnabled(true);
  106.                 button2.setEnabled(false);
  107.                 button3.setEnabled(false);
  108.                 button4.setEnabled(false);
  109.                 button5.setEnabled(false);
  110.                 button6.setEnabled(false);
  111.                 button7.setEnabled(false);
  112.                 button8.setEnabled(false);
  113.             }
  114.         });
  115.         button3.setOnClickListener(new OnClickListener() {
  116.             public void onClick(View v) {
  117.                 mConnectedThread.write("c");
  118.  
  119.                 TextView text = (TextView) findViewById(R.id.textView2);
  120.                 text.setText("現在風速:強");
  121.                 button.setEnabled(false);
  122.                 button2.setEnabled(true);
  123.                 button3.setEnabled(false);
  124.                 button4.setEnabled(true);
  125.                 button5.setEnabled(true);
  126.                 button6.setEnabled(true);
  127.                 button7.setEnabled(true);
  128.                 button8.setEnabled(true);
  129.             }
  130.         });
  131.         button4.setOnClickListener(new OnClickListener() {
  132.             public void onClick(View v) {
  133.                 mConnectedThread.write("b");
  134.  
  135.                 TextView text = (TextView) findViewById(R.id.textView2);
  136.                 text.setText("現在風速:中");
  137.                 button.setEnabled(false);
  138.                 button2.setEnabled(true);
  139.                 button3.setEnabled(true);
  140.                 button4.setEnabled(false);
  141.                 button5.setEnabled(true);
  142.                 button6.setEnabled(true);
  143.                 button7.setEnabled(true);
  144.                 button8.setEnabled(true);
  145.             }
  146.         });
  147.         button5.setOnClickListener(new OnClickListener() {
  148.             public void onClick(View v) {
  149.                 mConnectedThread.write("a");
  150.  
  151.                 TextView text = (TextView) findViewById(R.id.textView2);
  152.                 text.setText("現在風速:弱");
  153.                 button.setEnabled(false);
  154.                 button2.setEnabled(true);
  155.                 button3.setEnabled(true);
  156.                 button4.setEnabled(true);
  157.                 button5.setEnabled(false);
  158.                 button6.setEnabled(true);
  159.                 button7.setEnabled(true);
  160.                 button8.setEnabled(true);
  161.             }
  162.         });
  163.         button6.setOnClickListener(new OnClickListener() {
  164.             public void onClick(View v) {
  165.                 mConnectedThread.write("d");
  166.                 button.setEnabled(false);
  167.                 button2.setEnabled(true);
  168.                 button3.setEnabled(true);
  169.                 button4.setEnabled(true);
  170.                 button5.setEnabled(true);
  171.                 button6.setEnabled(false);
  172.                 button7.setEnabled(true);
  173.                 button8.setEnabled(true);
  174.             }
  175.         });
  176.         button7.setOnClickListener(new OnClickListener() {
  177.             public void onClick(View v) {
  178.                 mConnectedThread.write("e");
  179.                 button.setEnabled(false);
  180.                 button2.setEnabled(true);
  181.                 button3.setEnabled(true);
  182.                 button4.setEnabled(true);
  183.                 button5.setEnabled(true);
  184.                 button6.setEnabled(true);
  185.                 button7.setEnabled(false);
  186.                 button8.setEnabled(true);
  187.             }
  188.         });
  189.         button8.setOnClickListener(new OnClickListener() {
  190.             public void onClick(View v) {
  191.                 mConnectedThread.write("f");
  192.                 button.setEnabled(false);
  193.                 button2.setEnabled(true);
  194.                 button3.setEnabled(true);
  195.                 button4.setEnabled(true);
  196.                 button5.setEnabled(true);
  197.                 button6.setEnabled(true);
  198.                 button7.setEnabled(true);
  199.                 button8.setEnabled(false);
  200.             }
  201.         });
  202.         button.setOnClickListener(new View.OnClickListener() {
  203.             @Override
  204.             public void onClick(View v) {
  205.                 TextView text = (TextView) findViewById(R.id.textView3);
  206.                 text.setText("現在模式:手動模式");
  207.                 button.setEnabled(false);
  208.                 button2.setEnabled(true);
  209.                 button3.setEnabled(true);
  210.                 button4.setEnabled(true);
  211.                 button5.setEnabled(true);
  212.                 button6.setEnabled(true);
  213.                 button7.setEnabled(true);
  214.                 button8.setEnabled(true);
  215.  
  216.             }
  217.         });
  218.  
  219.     }
  220.  
  221.     private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
  222.         if(Build.VERSION.SDK_INT >= 10){
  223.             try {
  224.                 final Method  m = device.getClass().getMethod("createInsecureRfcommSocketToServiceRecord", new Class[] { UUID.class });
  225.                 return (BluetoothSocket) m.invoke(device, MY_UUID);
  226.             } catch (Exception e) {
  227.                 Log.e(TAG, "Could not create Insecure RFComm Connection",e);
  228.             }
  229.         }
  230.         return  device.createRfcommSocketToServiceRecord(MY_UUID);
  231.     }
  232.  
  233.     @Override
  234.     public void onResume() {
  235.         super.onResume();
  236.  
  237.         Log.d(TAG, "...onResume - try connect...");
  238.  
  239.         // Set up a pointer to the remote node using it's address.
  240.         BluetoothDevice device = btAdapter.getRemoteDevice(address);
  241.  
  242.         // Two things are needed to make a connection:
  243.         //   A MAC address, which we got above.
  244.         //   A Service ID or UUID.  In this case we are using the
  245.         //     UUID for SPP.
  246.  
  247.         try {
  248.             btSocket = createBluetoothSocket(device);
  249.         } catch (IOException e) {
  250.             errorExit("Fatal Error", "In onResume() and socket create failed: " + e.getMessage() + ".");
  251.         }
  252.  
  253.         // Discovery is resource intensive.  Make sure it isn't going on
  254.         // when you attempt to connect and pass your message.
  255.         btAdapter.cancelDiscovery();
  256.  
  257.         // Establish the connection.  This will block until it connects.
  258.         Log.d(TAG, "...Connecting...");
  259.         try {
  260.             btSocket.connect();
  261.             Log.d(TAG, "....Connection ok...");
  262.         } catch (IOException e) {
  263.             try {
  264.                 btSocket.close();
  265.             } catch (IOException e2) {
  266.                 errorExit("Fatal Error", "In onResume() and unable to close socket during connection failure" + e2.getMessage() + ".");
  267.             }
  268.         }
  269.  
  270.         // Create a data stream so we can talk to server.
  271.         Log.d(TAG, "...Create Socket...");
  272.  
  273.         mConnectedThread = new ConnectedThread(btSocket);
  274.         mConnectedThread.start();
  275.     }
  276.  
  277.     @Override
  278.     public void onPause() {
  279.         super.onPause();
  280.  
  281.         Log.d(TAG, "...In onPause()...");
  282.  
  283.         try     {
  284.             btSocket.close();
  285.         } catch (IOException e2) {
  286.             errorExit("Fatal Error", "In onPause() and failed to close socket." + e2.getMessage() + ".");
  287.         }
  288.     }
  289.  
  290.     private void checkBTState() {
  291.         // Check for Bluetooth support and then check to make sure it is turned on
  292.         // Emulator doesn't support Bluetooth and will return null
  293.         if(btAdapter==null) {
  294.             errorExit("Fatal Error", "Bluetooth not support");
  295.         } else {
  296.             if (btAdapter.isEnabled()) {
  297.                 Log.d(TAG, "...Bluetooth ON...");
  298.             } else {
  299.                 //Prompt user to turn on Bluetooth
  300.                 Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
  301.                 startActivityForResult(enableBtIntent, 1);
  302.             }
  303.         }
  304.     }
  305.  
  306.     private void errorExit(String title, String message){
  307.         Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
  308.         finish();
  309.     }
  310.  
  311.     private class ConnectedThread extends Thread {
  312.         private final InputStream mmInStream;
  313.         private final OutputStream mmOutStream;
  314.  
  315.         public ConnectedThread(BluetoothSocket socket) {
  316.             InputStream tmpIn = null;
  317.             OutputStream tmpOut = null;
  318.  
  319.             // Get the input and output streams, using temp objects because
  320.             // member streams are final
  321.             try {
  322.                 tmpIn = socket.getInputStream();
  323.                 tmpOut = socket.getOutputStream();
  324.             } catch (IOException e) { }
  325.  
  326.             mmInStream = tmpIn;
  327.             mmOutStream = tmpOut;
  328.         }
  329.  
  330.         public void run() {
  331.             byte[] buffer = new byte[256];  // buffer store for the stream
  332.             int bytes; // bytes returned from read()
  333.  
  334.             // Keep listening to the InputStream until an exception occurs
  335.             while (true) {
  336.                 try {
  337.                     // Read from the InputStream
  338.                     bytes = mmInStream.read(buffer);        // Get number of bytes and message in "buffer"
  339.                     h.obtainMessage(RECIEVE_MESSAGE, bytes, -1, buffer).sendToTarget();     // Send to message queue Handler
  340.                 } catch (IOException e) {
  341.                     break;
  342.                 }
  343.             }
  344.         }
  345.  
  346.         /* Call this from the main activity to send data to the remote device */
  347.         public void write(String message) {
  348.             Log.d(TAG, "...Data to send: " + message + "...");
  349.             byte[] msgBuffer = message.getBytes();
  350.             try {
  351.                 mmOutStream.write(msgBuffer);
  352.             } catch (IOException e) {
  353.                 Log.d(TAG, "...Error data send: " + e.getMessage() + "...");
  354.             }
  355.         }
  356.     }
  357. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
Main.java:26: error: class MainActivity is public, should be declared in a file named MainActivity.java
public class MainActivity extends Activity {
       ^
Main.java:11: error: package android.app does not exist
import android.app.Activity;
                  ^
Main.java:12: error: package android.bluetooth does not exist
import android.bluetooth.BluetoothAdapter;
                        ^
Main.java:13: error: package android.bluetooth does not exist
import android.bluetooth.BluetoothDevice;
                        ^
Main.java:14: error: package android.bluetooth does not exist
import android.bluetooth.BluetoothSocket;
                        ^
Main.java:15: error: package android.content does not exist
import android.content.Intent;
                      ^
Main.java:16: error: package android.os does not exist
import android.os.Build;
                 ^
Main.java:17: error: package android.os does not exist
import android.os.Bundle;
                 ^
Main.java:18: error: package android.os does not exist
import android.os.Handler;
                 ^
Main.java:19: error: package android.util does not exist
import android.util.Log;
                   ^
Main.java:20: error: package android.view does not exist
import android.view.View;
                   ^
Main.java:21: error: package android.view.View does not exist
import android.view.View.OnClickListener;
                        ^
Main.java:22: error: package android.widget does not exist
import android.widget.Button;
                     ^
Main.java:23: error: package android.widget does not exist
import android.widget.TextView;
                     ^
Main.java:24: error: package android.widget does not exist
import android.widget.Toast;
                     ^
Main.java:26: error: cannot find symbol
public class MainActivity extends Activity {
                                  ^
  symbol: class Activity
Main.java:29: error: cannot find symbol
    Button connect, button, button2, button3, button4, button5, button6, button7, button8, button9;
    ^
  symbol:   class Button
  location: class MainActivity
Main.java:31: error: cannot find symbol
    TextView textView;
    ^
  symbol:   class TextView
  location: class MainActivity
Main.java:33: error: cannot find symbol
    TextView textView2;
    ^
  symbol:   class TextView
  location: class MainActivity
Main.java:34: error: cannot find symbol
    TextView textView3;
    ^
  symbol:   class TextView
  location: class MainActivity
Main.java:37: error: cannot find symbol
    Handler h;
    ^
  symbol:   class Handler
  location: class MainActivity
Main.java:40: error: cannot find symbol
    private BluetoothAdapter btAdapter = null;
            ^
  symbol:   class BluetoothAdapter
  location: class MainActivity
Main.java:41: error: cannot find symbol
    private BluetoothSocket btSocket = null;
            ^
  symbol:   class BluetoothSocket
  location: class MainActivity
Main.java:54: error: cannot find symbol
    public void onCreate(Bundle savedInstanceState) {
                         ^
  symbol:   class Bundle
  location: class MainActivity
Main.java:221: error: cannot find symbol
    private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
                                                  ^
  symbol:   class BluetoothDevice
  location: class MainActivity
Main.java:221: error: cannot find symbol
    private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
            ^
  symbol:   class BluetoothSocket
  location: class MainActivity
Main.java:315: error: cannot find symbol
        public ConnectedThread(BluetoothSocket socket) {
                               ^
  symbol:   class BluetoothSocket
  location: class MainActivity.ConnectedThread
Main.java:53: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:55: error: cannot find symbol
        super.onCreate(savedInstanceState);
        ^
  symbol:   variable super
  location: class MainActivity
Main.java:57: error: package R does not exist
        setContentView(R.layout.activity_main);
                        ^
Main.java:59: error: cannot find symbol
        connect = (Button) findViewById(R.id.connect);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:59: error: package R does not exist
        connect = (Button) findViewById(R.id.connect);
                                         ^
Main.java:60: error: cannot find symbol
        button = (Button) findViewById(R.id.button);
                  ^
  symbol:   class Button
  location: class MainActivity
Main.java:60: error: package R does not exist
        button = (Button) findViewById(R.id.button);
                                        ^
Main.java:61: error: cannot find symbol
        button2 = (Button) findViewById(R.id.button2);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:61: error: package R does not exist
        button2 = (Button) findViewById(R.id.button2);
                                         ^
Main.java:62: error: cannot find symbol
        button3 = (Button) findViewById(R.id.button3);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:62: error: package R does not exist
        button3 = (Button) findViewById(R.id.button3);
                                         ^
Main.java:63: error: cannot find symbol
        button4 = (Button) findViewById(R.id.button4);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:63: error: package R does not exist
        button4 = (Button) findViewById(R.id.button4);
                                         ^
Main.java:64: error: cannot find symbol
        button5 = (Button) findViewById(R.id.button5);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:64: error: package R does not exist
        button5 = (Button) findViewById(R.id.button5);
                                         ^
Main.java:65: error: cannot find symbol
        button6 = (Button) findViewById(R.id.button6);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:65: error: package R does not exist
        button6 = (Button) findViewById(R.id.button6);
                                         ^
Main.java:66: error: cannot find symbol
        button7 = (Button) findViewById(R.id.button7);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:66: error: package R does not exist
        button7 = (Button) findViewById(R.id.button7);
                                         ^
Main.java:67: error: cannot find symbol
        button8 = (Button) findViewById(R.id.button8);
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:67: error: package R does not exist
        button8 = (Button) findViewById(R.id.button8);
                                         ^
Main.java:68: error: cannot find symbol
        button9 = (Button) findViewById(R.id.button9);      // for display the received data from the Arduino
                   ^
  symbol:   class Button
  location: class MainActivity
Main.java:68: error: package R does not exist
        button9 = (Button) findViewById(R.id.button9);      // for display the received data from the Arduino
                                         ^
Main.java:70: error: cannot find symbol
        h = new Handler() {
                ^
  symbol:   class Handler
  location: class MainActivity
Main.java:97: error: cannot find symbol
        btAdapter = BluetoothAdapter.getDefaultAdapter();       // get Bluetooth adapter
                    ^
  symbol:   variable BluetoothAdapter
  location: class MainActivity
Main.java:100: error: cannot find symbol
        button2.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:115: error: cannot find symbol
        button3.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:131: error: cannot find symbol
        button4.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:147: error: cannot find symbol
        button5.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:163: error: cannot find symbol
        button6.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:176: error: cannot find symbol
        button7.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:189: error: cannot find symbol
        button8.setOnClickListener(new OnClickListener() {
                                       ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:202: error: package View does not exist
        button.setOnClickListener(new View.OnClickListener() {
                                          ^
Main.java:222: error: package Build does not exist
        if(Build.VERSION.SDK_INT >= 10){
                ^
Main.java:225: error: cannot find symbol
                return (BluetoothSocket) m.invoke(device, MY_UUID);
                        ^
  symbol:   class BluetoothSocket
  location: class MainActivity
Main.java:227: error: cannot find symbol
                Log.e(TAG, "Could not create Insecure RFComm Connection",e);
                ^
  symbol:   variable Log
  location: class MainActivity
Main.java:233: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:235: error: cannot find symbol
        super.onResume();
        ^
  symbol:   variable super
  location: class MainActivity
Main.java:237: error: cannot find symbol
        Log.d(TAG, "...onResume - try connect...");
        ^
  symbol:   variable Log
  location: class MainActivity
Main.java:240: error: cannot find symbol
        BluetoothDevice device = btAdapter.getRemoteDevice(address);
        ^
  symbol:   class BluetoothDevice
  location: class MainActivity
Main.java:258: error: cannot find symbol
        Log.d(TAG, "...Connecting...");
        ^
  symbol:   variable Log
  location: class MainActivity
Main.java:261: error: cannot find symbol
            Log.d(TAG, "....Connection ok...");
            ^
  symbol:   variable Log
  location: class MainActivity
Main.java:271: error: cannot find symbol
        Log.d(TAG, "...Create Socket...");
        ^
  symbol:   variable Log
  location: class MainActivity
Main.java:277: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:279: error: cannot find symbol
        super.onPause();
        ^
  symbol:   variable super
  location: class MainActivity
Main.java:281: error: cannot find symbol
        Log.d(TAG, "...In onPause()...");
        ^
  symbol:   variable Log
  location: class MainActivity
Main.java:297: error: cannot find symbol
                Log.d(TAG, "...Bluetooth ON...");
                ^
  symbol:   variable Log
  location: class MainActivity
Main.java:300: error: cannot find symbol
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                ^
  symbol:   class Intent
  location: class MainActivity
Main.java:300: error: cannot find symbol
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                                            ^
  symbol:   class Intent
  location: class MainActivity
Main.java:300: error: cannot find symbol
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                                                   ^
  symbol:   variable BluetoothAdapter
  location: class MainActivity
Main.java:307: error: cannot find symbol
        Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
                       ^
  symbol:   method getBaseContext()
  location: class MainActivity
Main.java:307: error: cannot find symbol
        Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
                                                                  ^
  symbol:   variable Toast
  location: class MainActivity
Main.java:307: error: cannot find symbol
        Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
        ^
  symbol:   variable Toast
  location: class MainActivity
Main.java:308: error: cannot find symbol
        finish();
        ^
  symbol:   method finish()
  location: class MainActivity
Main.java:348: error: cannot find symbol
            Log.d(TAG, "...Data to send: " + message + "...");
            ^
  symbol:   variable Log
  location: class MainActivity.ConnectedThread
Main.java:353: error: cannot find symbol
                Log.d(TAG, "...Error data send: " + e.getMessage() + "...");
                ^
  symbol:   variable Log
  location: class MainActivity.ConnectedThread
83 errors
stdout
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Standard output is empty
https://ideone.com/7I5bzv
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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