안드로이드 FATAL EXCEPTION 에러 질문드립니다.

조회수 695회

아두이노 무게센서를 이용하여 블루투스로 무게를 전송시키는 안드로이드 앱을 만들고 있습니다.

package com.lee.tt3;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.os.Build;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.util.UUID;

public class Main2Activity extends AppCompatActivity {
    private static final String TAG = "bluetooth2";
    final int RECIEVE_MESSAGE = 1;

    Handler h;
    TextView exptext;
    ProgressBar experience; // 경험치
    ImageView image;

    int checkimg, start = 0, temp = 0, cnt = 1, exp = 0, percent = 0, gram;

    private BluetoothAdapter btAdapter = null;
    private BluetoothSocket btSocket = null;
    private StringBuilder sb = new StringBuilder();

    private ConnectedThread mConnectedThread;

    private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");

    private static String address = "00:19:07:34:F7:22";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        setTitle("맘마먹자");

        experience = (ProgressBar) findViewById(R.id.experience);
        exptext = (TextView) findViewById(R.id.exp_text);
        image = (ImageView) findViewById(R.id.image1);

        Intent get = getIntent();
        checkimg = get.getIntExtra("imgdata", 0);

        if (checkimg == 1) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_0));
        } else if (checkimg == 2) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_0));
        } else if (checkimg == 3) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_0));
        } else if (checkimg == 4) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_0));
        } else if (checkimg == 5) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_0));
        } else if (checkimg == 6) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_0));
        } else if (checkimg == 7) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_0));
        } else if (checkimg == 8) {
            image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_0));
        }

        h = new Handler() {
            public void handleMessage(android.os.Message msg) {
                switch (msg.what) {
                    case RECIEVE_MESSAGE:
                        byte[] readBuf = (byte[]) msg.obj;
                        Log.d(TAG, "info2 : " + msg.what);
                        String strIncom = new String(readBuf, 0, msg.arg1);

                        Log.d(TAG, "info2 : " + strIncom);
                        sb.append(strIncom);
                        int endOfLineIndex = sb.indexOf("\r\n");
                        if (endOfLineIndex > 0) {
                            String sbprint = sb.substring(0, endOfLineIndex);
                            gram = Integer.parseInt(sbprint);
                            if (cnt > 3) {
                                if (gram < 1) {
                                    gram = 0;
                                    exp = 100;
                                    experience.incrementProgressBy(100);
                                } else if (start > gram) {
                                    if (temp > gram) {
                                        percent = (int) ((double) (temp - gram) / (double) start * 100.0);
                                        exp = exp + percent;
                                        temp = gram;
                                        experience.incrementProgressBy(percent);
                                    }
                                }

                            } else {
                                start = gram;
                                temp = gram;
                            }

                            if (exp == 100) {
                                if (checkimg == 1) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_100));
                                } else if (checkimg == 2) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_100));
                                } else if (checkimg == 3) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_100));
                                } else if (checkimg == 4) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_100));
                                } else if (checkimg == 5) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_100));
                                } else if (checkimg == 6) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_100));
                                } else if (checkimg == 7) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_100));
                                } else if (checkimg == 8) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_100));
                                }
                            } else if (exp >= 80) {
                                if (checkimg == 1) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_80));
                                } else if (checkimg == 2) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_80));
                                } else if (checkimg == 3) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_80));
                                } else if (checkimg == 4) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_80));
                                } else if (checkimg == 5) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_80));
                                } else if (checkimg == 6) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_80));
                                } else if (checkimg == 7) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_80));
                                } else if (checkimg == 8) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_80));
                                }
                            } else if (exp > 60) {
                                if (checkimg == 1) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_60));
                                } else if (checkimg == 2) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_60));
                                } else if (checkimg == 3) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_60));
                                } else if (checkimg == 4) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_60));
                                } else if (checkimg == 5) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_60));
                                } else if (checkimg == 6) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_60));
                                } else if (checkimg == 7) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_60));
                                } else if (checkimg == 8) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_60));
                                }
                            } else if (exp > 40) {
                                if (checkimg == 1) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_40));
                                } else if (checkimg == 2) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_40));
                                } else if (checkimg == 3) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_40));
                                } else if (checkimg == 4) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_40));
                                } else if (checkimg == 5) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_40));
                                } else if (checkimg == 6) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_40));
                                } else if (checkimg == 7) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_40));
                                } else if (checkimg == 8) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_40));
                                }
                            } else if (exp > 20) {
                                if (checkimg == 1) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster1_20));
                                } else if (checkimg == 2) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster2_20));
                                } else if (checkimg == 3) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster3_20));
                                } else if (checkimg == 4) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster4_20));
                                } else if (checkimg == 5) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster5_20));
                                } else if (checkimg == 6) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster6_20));
                                } else if (checkimg == 7) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster7_20));
                                } else if (checkimg == 8) {
                                    image.setImageDrawable(getResources().getDrawable(R.drawable.monster8_20));
                                }
                            }

                            sb.delete(0, sb.length());
                            if(cnt < 4) {
                                exptext.setText(""+cnt);
                            } else {
                                exptext.setText("EXP : " + exp + "%");
                            }
                            cnt++;
                        }
                        //Log.d(TAG, "...String:"+ sb.toString() +  "Byte:" + msg.arg1 + "...");
                        break;
                }
            }

            ;
        };
        btAdapter = BluetoothAdapter.getDefaultAdapter();
        checkBTState();
    }

    private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
        if (Build.VERSION.SDK_INT >= 10) {
            try {
                final Method m = device.getClass().getMethod("createInsecureRfcommSocketToServiceRecord", new Class[]{UUID.class});
                return (BluetoothSocket) m.invoke(device, MY_UUID);
            } catch (Exception e) {
                Log.e(TAG, "Could not create Insecure RFComm Connection", e);
            }
        }
        return device.createRfcommSocketToServiceRecord(MY_UUID);
    }

    @Override
    public void onResume() {
        super.onResume();
        Log.d(TAG, "...onResume - try connect...");
        BluetoothDevice device = btAdapter.getRemoteDevice(address);

        try {
            btSocket = createBluetoothSocket(device);
        } catch (IOException e) {
            errorExit("Fatal Error", "In onResume() and socket create failed: " + e.getMessage() + ".");
        }

        btAdapter.cancelDiscovery();

        Log.d(TAG, "...Connecting...");
        try {
            btSocket.connect();
            Log.d(TAG, "....Connection ok...");
        } catch (IOException e) {
            try {
                btSocket.close();
            } catch (IOException e2) {
                errorExit("Fatal Error", "In onResume() and unable to close socket during connection failure" + e2.getMessage() + ".");
            }
        }
        Log.d(TAG, "...Create Socket...");
        mConnectedThread = new ConnectedThread(btSocket);
        mConnectedThread.start();
    }

    @Override
    public void onPause() {
        super.onPause();
        Log.d(TAG, "...In onPause()...");
        try {
            btSocket.close();
        } catch (IOException e2) {
            errorExit("Fatal Error", "In onPause() and failed to close socket." + e2.getMessage() + ".");
        }
    }

    private void checkBTState() {
        if (btAdapter == null) {
            errorExit("Fatal Error", "Bluetooth not support");
        } else {
            if (btAdapter.isEnabled()) { Log.d(TAG, "...Bluetooth ON...");
            } else {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, 1);
            }
        }
    }

    private void errorExit(String title, String message) {
        Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
        finish();
    }

    private class ConnectedThread extends Thread {
        private final InputStream mmInStream;

        public ConnectedThread(BluetoothSocket socket) {
            InputStream tmpIn = null;
            try {
                tmpIn = socket.getInputStream();
            } catch (IOException e) { }
            mmInStream = tmpIn;
        }

        public void run() {
            byte[] buffer = new byte[256];  // buffer store for the stream
            int bytes; // bytes returned from read()

            Log.d(TAG, "info : " + buffer);
            while (true) {
                try {
                    bytes = mmInStream.read(buffer);
                    h.obtainMessage(RECIEVE_MESSAGE, bytes, -1, buffer).sendToTarget();
                } catch (IOException e) { break; }
            }
        }
    }
}

이미지

현재 이렇게 에러가 나오는데 어디부분이 잘못된부분인지 확인 부탁드리겠습니다.

  • (•́ ✖ •̀)
    알 수 없는 사용자
  • handleMessage() 함수 88번째 줄에서 발생한 포맷이 잘못된 오류로 보여 집니다. 로그에 적혀 있다시피 Integer로 변환할 수 없는 문자열이 들어온 것 같군요... 알 수 없는 사용자 2019.10.22 17:58

1 답변

  • NumberformatException 은 보통 문자열을 숫자로 파싱할 때 문자열 안에 숫자가 아닌 다른 문자가 들어가 있으면 나타납니다.

    에러 로그를 보면 Main2Activity 의 88번째 줄에서 에러가 났다고 하네요.

    gram = Integer.parseInt(sbprint);
    

    88번째 줄이 실행되기 전에 sbprint 문자열에 숫자만 들어가 있는지 확인해보세요.

답변을 하려면 로그인이 필요합니다.

프로그래머스 커뮤니티는 개발자들을 위한 Q&A 서비스입니다. 로그인해야 답변을 작성하실 수 있습니다.

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