package com.android.BTcontrol;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
/**
* This is the main Activity that displays the current chat session.
*/
public class Bluetooth_connect extends Activity {
// Debugging
private static final String TAG = "Bluetooth_connect";
private static final boolean D = true;
// Message types sent from the BluetoothChatService Handler
public static final int MESSAGE_STATE_CHANGE = 1;
public static final int MESSAGE_READ = 2;
public static final int MESSAGE_WRITE = 3;
public static final int MESSAGE_DEVICE_NAME = 4;
public static final int MESSAGE_TOAST = 5;
// Key names received from the BluetoothChatService Handler
public static final String DEVICE_NAME = "device_name";
public static final String TOAST = "toast";
// Intent request codes
private static final int REQUEST_CONNECT_DEVICE = 1;
private static final int REQUEST_ENABLE_BT = 2;
// Layout Views
private TextView mTitle;
private ListView mConversationView;
private EditText mOutEditText;
private Button mSendButton;
// Name of the connected device
private String mConnectedDeviceName = null;
// Array adapter for the conversation thread
private ArrayAdapter<String> mConversationArrayAdapter;
// String buffer for outgoing messages
private StringBuffer mOutStringBuffer;
// Local Bluetooth adapter
private BluetoothAdapter mBluetoothAdapter = null;
// Member object for the chat services
private BluetoothChatService mChatService = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if(D) Log.e(TAG, "+++ ON CREATE +++");
// Set up the window layout
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
// Set up the custom title
mTitle = (TextView) findViewById(R.id.title_left_text);
mTitle.setText(R.string.app_name);
mTitle = (TextView) findViewById(R.id.title_right_text);
// Get local Bluetooth adapter
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
// If the adapter is null, then Bluetooth is not supported
if (mBluetoothAdapter == null) {
Toast.makeText(this, "BT Not Available", Toast.LENGTH_LONG).show();
finish();
}
//=======비밀번호 변경 버튼
Button launch=(Button)findViewById(R.id.button1);
launch.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
Intent intent = new Intent(Bluetooth_connect.this, password_modify.class); // 두번째 액티비티를 실행하기 위한 인텐트
startActivity(intent); // 두번째 액티비티를 실행합니다.
}
});
//-----비밀번호 변경 버튼
}
@Override
public void onStart() {
super.onStart();
if(D) Log.e(TAG, "++ ON START ++");
// If BT is not on, request that it be enabled.
// setupChat() will then be called during onActivityResult
if (!mBluetoothAdapter.isEnabled()) {
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
// Otherwise, setup the chat session
} else {
if (mChatService == null) setupChat();
}
}
@Override
public synchronized void onResume() {
super.onResume();
if(D) Log.e(TAG, "+ ON RESUME +");
// Performing this check in onResume() covers the case in which BT was
// not enabled during onStart(), so we were paused to enable it...
// onResume() will be called when ACTION_REQUEST_ENABLE activity returns.
if (mChatService != null) {
// Only if the state is STATE_NONE, do we know that we haven't started already
if (mChatService.getState() == BluetoothChatService.STATE_NONE) {
// Start the Bluetooth chat services
mChatService.start();
}
}
}
private void setupChat() {
Log.d(TAG, "setupChat()");
// Initialize the array adapter for the conversation thread
mConversationArrayAdapter = new ArrayAdapter<String>(this, R.layout.message);
mConversationView = (ListView) findViewById(R.id.in);
mConversationView.setAdapter(mConversationArrayAdapter);
// Initialize the compose field with a listener for the return key
mOutEditText = (EditText) findViewById(R.id.edit_text_out);
mOutEditText.setOnEditorActionListener(mWriteListener);
// Initialize the send button with a listener that for click events
mSendButton = (Button) findViewById(R.id.button_send);
mSendButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// Send a message using content of the edit text widget
TextView view = (TextView) findViewById(R.id.edit_text_out);
String message = view.getText().toString();
sendMessage(message);
}
});
// Initialize the BluetoothChatService to perform bluetooth connections
mChatService = new BluetoothChatService(this, mHandler);
// Initialize the buffer for outgoing messages
mOutStringBuffer = new StringBuffer("");
}
@Override
public synchronized void onPause() {
super.onPause();
if(D) Log.e(TAG, "- ON PAUSE -");
}
@Override
public void onStop() {
super.onStop();
if(D) Log.e(TAG, "-- ON STOP --");
}
@Override
public void onDestroy() {
super.onDestroy();
// Stop the Bluetooth chat services
if (mChatService != null) mChatService.stop();
if(D) Log.e(TAG, "--- ON DESTROY ---");
}
private void ensureDiscoverable() {
if(D) Log.d(TAG, "ensure discoverable");
if (mBluetoothAdapter.getScanMode() != BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
startActivity(discoverableIntent);
}
}
/**
* Sends a message.
* @param message A string of text to send.
*/
private void sendMessage(String message) {
// Check that we're actually connected before trying anything
if (mChatService.getState() != BluetoothChatService.STATE_CONNECTED) {
Toast.makeText(this, R.string.not_connected, Toast.LENGTH_SHORT).show();
return;
}
// Check that there's actually something to send
if (message.length() > 0) {
// Get the message bytes and tell the BluetoothChatService to write
byte[] send = message.getBytes();
mChatService.write(send);
// Reset out string buffer to zero and clear the edit text field
mOutStringBuffer.setLength(0);
mOutEditText.setText(mOutStringBuffer);
}
}
// The action listener for the EditText widget, to listen for the return key
private TextView.OnEditorActionListener mWriteListener = new TextView.OnEditorActionListener() {
public boolean onEditorAction(TextView view, int actionId, KeyEvent event) {
// If the action is a key-up event on the return key, send the message
if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_UP) {
String message = view.getText().toString();
sendMessage(message);
}
if(D) Log.i(TAG, "END onEditorAction");
return true;
}
};
// The Handler that gets information back from the BluetoothChatService
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_STATE_CHANGE:
if(D) Log.i(TAG, "MESSAGE_STATE_CHANGE: " + msg.arg1);
switch (msg.arg1) {
case BluetoothChatService.STATE_CONNECTED:
mTitle.setText(R.string.title_connected_to);
mTitle.append(mConnectedDeviceName);
mConversationArrayAdapter.clear();
break;
case BluetoothChatService.STATE_CONNECTING:
mTitle.setText(R.string.title_connecting);
break;
case BluetoothChatService.STATE_LISTEN:
case BluetoothChatService.STATE_NONE:
mTitle.setText(R.string.title_not_connected);
break;
}
break;
case MESSAGE_WRITE:
byte[] writeBuf = (byte[]) msg.obj;
// construct a string from the buffer
String writeMessage = new String(writeBuf);
mConversationArrayAdapter.add("Me: " + writeMessage);
break;
case MESSAGE_READ:
byte[] readBuf = (byte[]) msg.obj;
// construct a string from the valid bytes in the buffer
String readMessage = new String(readBuf, 0, msg.arg1);
mConversationArrayAdapter.add(mConnectedDeviceName+": " + readMessage);
break;
case MESSAGE_DEVICE_NAME:
// save the connected device's name
mConnectedDeviceName = msg.getData().getString(DEVICE_NAME);
Toast.makeText(getApplicationContext(), "Connected to "
+ mConnectedDeviceName, Toast.LENGTH_SHORT).show();
break;
case MESSAGE_TOAST:
Toast.makeText(getApplicationContext(), msg.getData().getString(TOAST),
Toast.LENGTH_SHORT).show();
break;
}
}
};
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if(D) Log.d(TAG, "onActivityResult " + resultCode);
switch (requestCode) {
case REQUEST_CONNECT_DEVICE:
// When DeviceListActivity returns with a device to connect
if (resultCode == Activity.RESULT_OK) {
// Get the device MAC address
String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
// Get the BLuetoothDevice object
BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
// Attempt to connect to the device
mChatService.connect(device);
}
break;
case REQUEST_ENABLE_BT:
// When the request to enable Bluetooth returns
if (resultCode == Activity.RESULT_OK) {
// Bluetooth is now enabled, so set up a chat session
setupChat();
} else {
// User did not enable Bluetooth or an error occured
Log.d(TAG, "BT not enabled");
Toast.makeText(this, R.string.bt_not_enabled_leaving, Toast.LENGTH_SHORT).show();
finish();
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.option_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.scan:
// Launch the DeviceListActivity to see devices and do scan
Intent serverIntent = new Intent(this, DeviceListActivity.class);
startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
return true;
case R.id.discoverable:
// Ensure this device is discoverable by others
ensureDiscoverable();
return true;
}
return false;
}
}
-----------------------------------------------------------------2번째 액티비티 소스
package com.android.BTcontrol;
import android.app.Activity;
import android.os.Bundle;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class Bluetooth_controlActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.index_password);
SharedPreferences pref= getSharedPreferences("preftest_pw", 2);//쉐어드 프리퍼런스 선언
final String temp1 = pref.getString("password","1234"); //디폴트값 저장
Button launch=(Button)findViewById(R.id.button1);
launch.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
EditText edit = (EditText)findViewById(R.id.editText1);
String temp = edit.getText().toString();
// TODO Auto-generated method stub
if(temp1.equals(temp)){ //비밀번호와 입력값이 일치하다면
Intent intent = new Intent(Bluetooth_controlActivity.this, Bluetooth_connect.class); // 두번째 액티비티를 실행하기 위한 인텐트
startActivity(intent); // 두번째 액티비티를 실행합니다.
}
else{ //비밀번호가 틀리다면
Toast.makeText(getApplicationContext(), "비밀번호 오류! 다시입력!", Toast.LENGTH_SHORT).show();
}
}
});
}
}
-------------------------------------------------------------1번째 액티비티인데요...
첫번째 액티비티에서 인증을 거친뒤에 두번째 액티비티로 넘어가는 순서로 가는데
강제종료가 됩니다... 2번째 소스의경우는 블루투스 채팅 소스를 반이상 복사한거라 틀린것도 없고
잘 실행될텐데 좀 의문이 생깁니다..
요건 제 로그이고요...
09-30 09:16:33.299: WARN/KeyCharacterMap(303): No keyboard for id 0
09-30 09:16:33.299: WARN/KeyCharacterMap(303): Using default keymap: /system/usr/keychars/qwerty.kcm.bin
09-30 09:16:39.212: WARN/ActivityManager(59): Activity destroy timeout for HistoryRecord{4506fe30 com.android.BTcontrol/.Bluetooth_controlActivity}
09-30 09:16:39.212: WARN/ActivityManager(59): Activity destroy timeout for HistoryRecord{450f6368 com.android.BTcontrol/.Bluetooth_connect}
09-30 09:17:15.561: INFO/ActivityManager(59): Starting activity: Intent { cmp=com.android.BTcontrol/.Bluetooth_connect }
09-30 09:17:15.630: ERROR/Bluetooth_connect(303): +++ ON CREATE +++
09-30 09:17:15.689: DEBUG/AndroidRuntime(303): Shutting down VM
09-30 09:17:15.689: WARN/dalvikvm(303): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): FATAL EXCEPTION: main
09-30 09:17:15.709: ERROR/AndroidRuntime(303): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.BTcontrol/com.android.BTcontrol.Bluetooth_connect}: java.lang.NullPointerException
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.os.Handler.dispatchMessage(Handler.java:99)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.os.Looper.loop(Looper.java:123)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread.main(ActivityThread.java:4627)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at java.lang.reflect.Method.invokeNative(Native Method)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at java.lang.reflect.Method.invoke(Method.java:521)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at dalvik.system.NativeStart.main(Native Method)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): Caused by: java.lang.NullPointerException
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at com.android.BTcontrol.Bluetooth_connect.onCreate(Bluetooth_connect.java:96)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
09-30 09:17:15.709: ERROR/AndroidRuntime(303): ... 11 more
09-30 09:17:15.730: WARN/ActivityManager(59): Force finishing activity com.android.BTcontrol/.Bluetooth_controlActivity
09-30 09:17:16.189: WARN/ActivityManager(59): Activity pause timeout for HistoryRecord{45089690 com.android.BTcontrol/.Bluetooth_connect}
09-30 09:17:26.754: WARN/ActivityManager(59): Activity destroy timeout for HistoryRecord{450b89b8 com.android.BTcontrol/.Bluetooth_controlActivity}
09-30 09:17:26.754: WARN/ActivityManager(59): Activity destroy timeout for HistoryRecord{45089690 com.android.BTcontrol/.Bluetooth_connect}
09-30 09:17:51.959: DEBUG/SntpClient(59): request time failed: java.net.SocketException: Address family not supported by protocol
09-30 09:19:17.659: INFO/Process(303): Sending signal. PID: 303 SIG: 9
09-30 09:19:17.690: INFO/ActivityManager(59): Process com.android.BTcontrol (pid 303) has died.
09-30 09:19:17.690: INFO/WindowManager(59): WIN DEATH: Window{4509dc40 com.android.BTcontrol/com.android.BTcontrol.Bluetooth_controlActivity paused=true}
09-30 09:19:17.769: WARN/InputManagerService(59): Got RemoteException sending setActive(false) notification to pid 303 uid 10042
뭐가 문제인지좀 부탁드립니다..ㅠ_ㅠ
09-30 09:17:15.709: ERROR/AndroidRuntime(303): Caused by: java.lang.NullPointerException
09-30 09:17:15.709: ERROR/AndroidRuntime(303): at com.android.BTcontrol.Bluetooth_connect.onCreate(Bluetooth_connect.java:96)
Bluetooth_connect.java 96번째 줄 에서 NullPointerException뜨네요
onClickListener 를 확인해보셔야할것같네요