1
藍牙文件傳輸我在android系統中創建文件的傳輸應用程序從藍牙，但不幸的是我的應用程序崩潰， 以下是我主要的源代碼和error.I的日誌有一個文件名爲「hi.txt」在我的SD卡。 請引導我出錯的地方。錯誤在執行中的Android
public class MainActivity extends AppCompatActivity
{
ListView listViewPaired;
ListView listViewDetected;
ArrayList<String> arrayListpaired;
Button buttonSearch, buttonOn, buttonDesc, buttonOff;
ArrayAdapter<String> adapter, detectedAdapter, mNewDevicesArrayAdapter;
static HandleSeacrh handleSeacrh;
BluetoothDevice bdDevice;
BluetoothClass bdClass;
ArrayList<BluetoothDevice> arrayListPairedBluetoothDevices;
private ButtonClicked clicked;
ListItemClickedonPaired listItemClickedonPaired;
BluetoothAdapter bluetoothAdapter = null;
ArrayList<BluetoothDevice> arrayListBluetoothDevices = null;
ListItemClicked listItemClicked;
UUID applicationUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listViewDetected = (ListView) findViewById(R.id.listViewDetected);
listViewPaired = (ListView) findViewById(R.id.listViewPaired);
buttonSearch = (Button) findViewById(R.id.buttonSearch);
buttonOn = (Button) findViewById(R.id.buttonOn);
buttonDesc = (Button) findViewById(R.id.buttonDesc);
buttonOff = (Button) findViewById(R.id.buttonOff);
arrayListpaired = new ArrayList<String>();
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
clicked = new ButtonClicked();
handleSeacrh = new HandleSeacrh();
arrayListPairedBluetoothDevices = new ArrayList<BluetoothDevice>();
/*
* the above declaration is just for getting the paired bluetooth devices;
* this helps in the removing the bond between paired devices.
*/
listItemClickedonPaired = new ListItemClickedonPaired();
arrayListBluetoothDevices = new ArrayList<BluetoothDevice>();
adapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1, arrayListpaired);
detectedAdapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_single_choice);
mNewDevicesArrayAdapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_single_choice);
listViewDetected.setAdapter(detectedAdapter);
listItemClicked = new ListItemClicked();
detectedAdapter.notifyDataSetChanged();
listViewPaired.setAdapter(adapter);
}
@Override
protected void onStart()
{
// TODO Auto-generated method stub
super.onStart();
getPairedDevices();
buttonOn.setOnClickListener(clicked);
buttonSearch.setOnClickListener(clicked);
buttonDesc.setOnClickListener(clicked);
buttonOff.setOnClickListener(clicked);
listViewDetected.setOnItemClickListener(listItemClicked);
listViewPaired.setOnItemClickListener(listItemClickedonPaired);
}
private void getPairedDevices()
{
Set<BluetoothDevice> pairedDevice = bluetoothAdapter.getBondedDevices();
if (pairedDevice.size() > 0)
{
for (BluetoothDevice device : pairedDevice)
{
arrayListpaired.add(device.getName() + "\n" + device.getAddress());
arrayListPairedBluetoothDevices.add(device);
}
}
adapter.notifyDataSetChanged();
}
class ListItemClicked implements AdapterView.OnItemClickListener
{
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// TODO Auto-generated method stub
bdDevice = arrayListBluetoothDevices.get(position);
Log.i("Log", "The dvice : " + bdDevice.toString());
Boolean isBonded = false;
try {
isBonded = createBond(bdDevice);
if (isBonded) {
Log.i("Log", "Paired");
}
} catch (Exception e)
{
e.printStackTrace();
}
Log.i("Log", "The bond is created: " + isBonded);
}
}
public void btSend()
{
String path = Environment.getExternalStorageDirectory()+"/hi.txt";
File file = new File(path);
BluetoothSocket socket= null;
try
{
socket = bdDevice.createRfcommSocketToServiceRecord(applicationUUID);
socket.connect();
}
catch (IOException e)
{
e.printStackTrace();
}
ContentValues values = new ContentValues();
values.put(BluetoothShare.URI, path);
values.put(BluetoothShare.DESTINATION,bdDevice.getAddress());
values.put(BluetoothShare.DIRECTION, BluetoothShare.DIRECTION_OUTBOUND);
Long ts = System.currentTimeMillis();
values.put(BluetoothShare.TIMESTAMP, ts);
getContentResolver().insert(BluetoothShare.CONTENT_URI,values);
}
class ListItemClickedonPaired implements AdapterView.OnItemClickListener
{
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
bdDevice = arrayListPairedBluetoothDevices.get(position);
try {
Boolean removeBond = removeBond(bdDevice);
if (removeBond) {
arrayListpaired.remove(position);
adapter.notifyDataSetChanged();
}
Log.i("Log", "Removed" + removeBond);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
private Boolean connect(BluetoothDevice bdDevice)
{
Boolean bool = false;
try {
Log.i("Log", "service method is called ");
Class cl = Class.forName("android.bluetooth.BluetoothDevice");
Class[] par = {};
Method method = cl.getMethod("createBond", par);
Object[] args = {};
bool = (Boolean) method.invoke(bdDevice);//, args);
} catch (Exception e)
{
Log.i("Log", "Inside catch of serviceFromDevice Method");
e.printStackTrace();
}
return bool.booleanValue();
};
public boolean removeBond(BluetoothDevice btDevice) throws Exception
{
Class btClass = Class.forName("android.bluetooth.BluetoothDevice");
Method removeBond = btClass.getMethod("removeBond");
Boolean returnValue = (Boolean)removeBond.invoke(btDevice);
return returnValue.booleanValue();
}
public boolean createBond(BluetoothDevice btDevice)
throws Exception
{
Class class1 = Class.forName("android.bluetooth.BluetoothDevice");
Method createBondMethod = class1.getMethod("createBond");
Boolean returnValue = (Boolean) createBondMethod.invoke(btDevice);
return returnValue.booleanValue();
}
class ButtonClicked implements View.OnClickListener
{
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.buttonOn:
onBluetooth();
break;
case R.id.buttonSearch:
arrayListBluetoothDevices.clear();
startSearching();
break;
case R.id.buttonDesc:
makeDiscoverable();
break;
case R.id.buttonOff:
offBluetooth();
break;
default:
break;
}
}
}
private BroadcastReceiver myReceiver = new BroadcastReceiver()
{
@Override
public void onReceive(Context context, Intent intent) {
Message msg = Message.obtain();
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
Toast.makeText(context, "ACTION_FOUND", Toast.LENGTH_SHORT).show();
Toast.makeText(getApplicationContext(), "Searching for devices", Toast.LENGTH_LONG).show();
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
try {
//device.getClass().getMethod("setPairingConfirmation", boolean.class).invoke(device, true);
//device.getClass().getMethod("cancelPairingUserInput", boolean.class).invoke(device);
} catch (Exception e) {
Log.i("Log", "Inside the exception: ");
e.printStackTrace();
}
if (arrayListBluetoothDevices.size() < 1) // this checks if the size of bluetooth device is 0,then add the
{ // device to the arraylist.
detectedAdapter.add(device.getName() + "\n" + device.getAddress());
arrayListBluetoothDevices.add(device);
detectedAdapter.notifyDataSetChanged();
} else {
boolean flag = true; // flag to indicate that particular device is already in the arlist or not
for (int i = 0; i < arrayListBluetoothDevices.size(); i++) {
if (device.getAddress().equals(arrayListBluetoothDevices.get(i).getAddress())) {
flag = false;
}
}
if (flag == true) {
detectedAdapter.add(device.getName() + "\n" + device.getAddress());
arrayListBluetoothDevices.add(device);
detectedAdapter.notifyDataSetChanged();
}
}
if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
arrayListBluetoothDevices.add(device);
}
}
}
};
private void startSearching()
{
Log.i("Log", "in the start searching method");
IntentFilter intentFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
MainActivity.this.registerReceiver(myReceiver, intentFilter);
bluetoothAdapter.startDiscovery();
}
private void onBluetooth()
{
if (!bluetoothAdapter.isEnabled()) {
bluetoothAdapter.enable();
Log.i("Log", "Bluetooth is Enabled");
Toast.makeText(getApplicationContext(), "Turned on", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getApplicationContext(), "Already on", Toast.LENGTH_LONG).show();
}
}
private void offBluetooth()
{
if (bluetoothAdapter.isEnabled())
{
bluetoothAdapter.disable();
Toast.makeText(getApplicationContext(), "Turned off", Toast.LENGTH_LONG).show();
}
}
private void makeDiscoverable()
{
Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
startActivity(discoverableIntent);
Log.i("Log", "Discoverable ");
}
class HandleSeacrh extends Handler
{
@Override
public void handleMessage(Message msg) {
switch (msg.what)
{
case 111:
break;
default:
break;
}
}
}
}
日誌文件：
13170-13170/com.example.toshiba.bluetoothdemo D/ActivityThread: handleBindApplication:com.example.toshiba.bluetoothdemo
11-16 18:01:45.587 13170-13170/com.example.toshiba.bluetoothdemo D/ActivityThread: setTargetHeapUtilization:0.75
11-16 18:01:45.587 13170-13170/com.example.toshiba.bluetoothdemo D/ActivityThread: setTargetHeapMinFree:2097152
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: VFY: unable to find class referenced in signature (Landroid/view/SearchEvent;)
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo I/dalvikvm: Could not find method android.view.Window$Callback.onSearchRequested, referenced from method android.support.v7.internal.view.WindowCallbackWrapper.onSearchRequested
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: VFY: unable to resolve interface method 17915: Landroid/view/Window$Callback;.onSearchRequested (Landroid/view/SearchEvent;)Z
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: VFY: replacing opcode 0x72 at 0x0002
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo I/dalvikvm: Could not find method android.view.Window$Callback.onWindowStartingActionMode, referenced from method android.support.v7.internal.view.WindowCallbackWrapper.onWindowStartingActionMode
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: VFY: unable to resolve interface method 17919: Landroid/view/Window$Callback;.onWindowStartingActionMode (Landroid/view/ActionMode$Callback;I)Landroid/view/ActionMode;
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: VFY: replacing opcode 0x72 at 0x0002
11-16 18:01:45.637 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: GetMethodID: not returning static method Landroid/os/Process;.getTotalMemory()J
11-16 18:01:45.647 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: GetMethodID: not returning static method Landroid/os/Process;.getFreeMemory()J
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo I/dalvikvm: Could not find method android.content.res.TypedArray.getChangingConfigurations, referenced from method android.support.v7.internal.widget.TintTypedArray.getChangingConfigurations
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: VFY: unable to resolve virtual method 439: Landroid/content/res/TypedArray;.getChangingConfigurations()I
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: VFY: replacing opcode 0x6e at 0x0002
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo I/dalvikvm: Could not find method android.content.res.TypedArray.getType, referenced from method android.support.v7.internal.widget.TintTypedArray.getType
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: VFY: unable to resolve virtual method 461: Landroid/content/res/TypedArray;.getType (I)I
11-16 18:01:45.687 13170-13170/com.example.toshiba.bluetoothdemo D/dalvikvm: VFY: replacing opcode 0x6e at 0x0002
11-16 18:01:45.787 13170-13170/com.example.toshiba.bluetoothdemo D/BluetoothAdapter: 1112941536: getState() : mService = null. Returning STATE_OFF
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: ()
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: OpenGL ES Shader Compiler Version: E031.24.02.07
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: Build Date: 03/30/15 Mon
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: Local Branch:
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: Remote Branch:
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: Local Patches:
11-16 18:01:45.837 13170-13170/com.example.toshiba.bluetoothdemo I/Adreno-EGL: Reconstruct Branch:
11-16 18:01:45.897 13170-13170/com.example.toshiba.bluetoothdemo D/OpenGLRenderer: Enabling debug mode 0
11-16 18:01:46.037 13170-13170/com.example.toshiba.bluetoothdemo I/Timeline: Timeline: Activity_idle id: [email protected] time:8721552
11-16 18:01:48.687 13170-13170/com.example.toshiba.bluetoothdemo I/Log: Bluetooth is Enabled
11-16 18:01:48.717 13170-13170/com.example.toshiba.bluetoothdemo W/Toast: From com.example.toshiba.bluetoothdemo, go ahead.
11-16 18:01:50.267 13170-13170/com.example.toshiba.bluetoothdemo I/Timeline: Timeline: Activity_launch_request time:8725789
11-16 18:01:50.297 13170-13170/com.example.toshiba.bluetoothdemo I/Log: Discoverable
11-16 18:01:52.337 13170-13170/com.example.toshiba.bluetoothdemo I/Timeline: Timeline: Activity_idle id: [email protected] time:8727857
11-16 18:01:53.227 13170-13170/com.example.toshiba.bluetoothdemo I/Log: in the start searching method
11-16 18:01:54.717 13170-13170/com.example.toshiba.bluetoothdemo W/Toast: From com.example.toshiba.bluetoothdemo, go ahead.
11-16 18:01:54.727 13170-13170/com.example.toshiba.bluetoothdemo W/Toast: From com.example.toshiba.bluetoothdemo, go ahead.
11-16 18:01:57.917 13170-13170/com.example.toshiba.bluetoothdemo I/Log: The dvice : 24:EC:99:5C:FA:8C
11-16 18:01:57.947 13170-13170/com.example.toshiba.bluetoothdemo I/Log: The bond is created: false
11-16 18:01:57.957 13170-13170/com.example.toshiba.bluetoothdemo W/BluetoothAdapter: getBluetoothService() called with no BluetoothManagerCallback
11-16 18:01:57.967 13170-13170/com.example.toshiba.bluetoothdemo D/BluetoothSocket: connect(), SocketState: INIT, mPfd: {ParcelFileDescriptor: FileDescriptor[67]}
11-16 18:01:58.567 13567-13567/? W/: [ColorAdjust] gammamode=2, cemode=10
11-16 18:01:58.567 13567-13567/? W/: [ColorAdjust] temp_gammavalue=2, temp_cevalue=10
11-16 18:01:58.567 13567-13567/? W/: [ColorAdjust] Don't setGamma!
11-16 18:01:58.567 13567-13567/? W/: [ColorAdjust] Don't setCe!
11-16 18:01:58.567 13567-13567/? W/: [ColorAdjust] Set temp_prefer temp_ce!
11-16 18:02:02.277 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: java.io.IOException: read failed, socket might closed or timeout, read ret: -1
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.bluetooth.BluetoothSocket.readAll(BluetoothSocket.java:574)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.bluetooth.BluetoothSocket.readInt(BluetoothSocket.java:585)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.bluetooth.BluetoothSocket.connect(BluetoothSocket.java:326)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at com.example.toshiba.bluetoothdemo.MainActivity.btSend(MainActivity.java:163)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at com.example.toshiba.bluetoothdemo.MainActivity$ListItemClicked.onItemClick(MainActivity.java:146)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.widget.AdapterView.performItemClick(AdapterView.java:299)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.widget.AbsListView.performItemClick(AbsListView.java:1115)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.widget.AbsListView$PerformClick.run(AbsListView.java:2928)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.widget.AbsListView$3.run(AbsListView.java:3691)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.os.Handler.handleCallback(Handler.java:733)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.os.Handler.dispatchMessage(Handler.java:95)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.os.Looper.loop(Looper.java:136)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at android.app.ActivityThread.main(ActivityThread.java:5113)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at java.lang.reflect.Method.invokeNative(Native Method)
11-16 18:02:02.287 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at java.lang.reflect.Method.invoke(Method.java:515)
11-16 18:02:02.297 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
11-16 18:02:02.297 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
11-16 18:02:02.297 13170-13170/com.example.toshiba.bluetoothdemo W/System.err: at dalvik.system.NativeStart.main(Native Method)
11-16 18:02:02.307 13170-13170/com.example.toshiba.bluetoothdemo D/AndroidRuntime: Shutting down VM
11-16 18:02:02.307 13170-13170/com.example.toshiba.bluetoothdemo W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0x416d9d58)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: FATAL EXCEPTION: main
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: Process: com.example.toshiba.bluetoothdemo, PID: 13170
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: java.lang.SecurityException: Permission Denial: writing com.android.bluetooth.opp.BluetoothOppProvider uri content://com.android.bluetooth.opp/btopp from pid=13170, uid=10137 requires android.permission.ACCESS_BLUETOOTH_SHARE, or grantUriPermission()
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.os.Parcel.readException(Parcel.java:1472)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:185)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:137)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.content.ContentProviderProxy.insert(ContentProviderNative.java:468)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.content.ContentResolver.insert(ContentResolver.java:1190)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at com.example.toshiba.bluetoothdemo.MainActivity.btSend(MainActivity.java:178)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at com.example.toshiba.bluetoothdemo.MainActivity$ListItemClicked.onItemClick(MainActivity.java:146)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.widget.AdapterView.performItemClick(AdapterView.java:299)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.widget.AbsListView.performItemClick(AbsListView.java:1115)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.widget.AbsListView$PerformClick.run(AbsListView.java:2928)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.widget.AbsListView$3.run(AbsListView.java:3691)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:733)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:95)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.os.Looper.loop(Looper.java:136)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:5113)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at java.lang.reflect.Method.invokeNative(Native Method)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:515)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
11-16 18:02:02.317 13170-13170/com.example.toshiba.bluetoothdemo E/AndroidRuntime: at dalvik.system.NativeStart.main(Native Method)
'
顯示錯誤的logcat –
已經存在。 – Aishwarya