android编程时出错,求解答：报错

VoteActivity

package com.example.bluetoothvote;


import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;


/**
 * 发起投票模块
 */
public class VoteActivity extends Activity{


//定义全局变量
  private BluetoothAdapter mBluetoothAdapter; //适配器
  private EditText groupName ; //组名
  private EditText voteIntroduce ; //投票内容简介
//投票选项6个
  private EditText edtOpt1;
  private EditText edtOpt2;
  private EditText edtOpt3;
  private EditText edtOpt4;
  private EditText edtOpt5;
  private EditText edtOpt6;   
  private Button btnUpdate; //修改按钮
  private Button btnVote;    //发起投票按钮   
  boolean isEnable = false; //用于确定EditText是否可以修改
 //标志变量
  private String flag="vn";//v表示投票使用蓝牙名
                            //n表示投票未结束
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO 自动生成的方法存根
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_vote); //设置界面

Initial();//初始化各个参数
unEnabledVote();//设置EditText禁用
btnVote.setEnabled(false);//发起投票按钮不可用
btnUpdate.setText("修改");


btnVote.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO 自动生成的方法存根
setVote();
Toast.makeText(getApplicationContext(), "发起成功: "+ mBluetoothAdapter.getName(),Toast.LENGTH_SHORT).show();
btnVote.setEnabled(false);//设置发起投票按钮不可用
btnUpdate.setText("修改");
isEnable = false;
ensureDiscoverable();//使本机蓝牙在300秒内可被搜索
}
});


btnUpdate.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO 自动生成的方法存根
if(!isEnable){
EnabledVote();//设置EditText可用
btnUpdate.setText("禁用");
btnVote.setEnabled(true);
isEnable = true;
}

else {
unEnabledVote();//设置EditText不可用
btnVote.setEnabled(false);
btnUpdate.setText("修改");
isEnable = false;
}

}
});



}



private void Initial() {
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); //适配器
groupName = (EditText)findViewById(R.id.groupName); //组名
voteIntroduce = (EditText)findViewById(R.id.voteIntroduce); //投票内容简介
//投票选项6个
edtOpt1 = (EditText)findViewById(R.id.option1);
edtOpt2 = (EditText)findViewById(R.id.option2);
edtOpt3 = (EditText)findViewById(R.id.option3);
edtOpt4 = (EditText)findViewById(R.id.option4);
edtOpt5 = (EditText)findViewById(R.id.option5);
edtOpt6 = (EditText)findViewById(R.id.option6);
btnUpdate = (Button)findViewById(R.id.buttonUpdate); //修改按钮
btnVote = (Button)findViewById(R.id.buttonVote);    //发起投票按钮
}


//发起投票
private void setVote(){
String strVote,strgName,strIntroduce,
  strOpt1,strOpt2,strOpt3,strOpt4,
  strOpt5,strOpt6;//定义存储相应信息的字符串
 
strgName = getStrContent(8,groupName); //获取"组名"字符串
strIntroduce = getStrContent(60,voteIntroduce); //获取"投票简介"字符串
//获取6个"选项"字符串
strOpt1 =  getStrContent(10,edtOpt1);
strOpt2 =  getStrContent(10,edtOpt2);
strOpt3 =  getStrContent(10,edtOpt3);
strOpt4 =  getStrContent(10,edtOpt4);
strOpt5 =  getStrContent(10,edtOpt5);
strOpt6 =  getStrContent(10,edtOpt6);
 
strVote = strgName + strIntroduce +
  strOpt1 + strOpt2 + strOpt3 + strOpt4 + 
  strOpt5 + strOpt6 +flag;
for(int i = 132 ; i < 248 ; i++ ){
strVote += " ";
}
mBluetoothAdapter.setName(strVote);//设置蓝牙名
unEnabledVote();//设置EditText禁用
 
}
   
//获取投票的相关信息
private String getStrContent(int size,EditText edt){ //获取相应字符长度的信息
String str="";
if(edt.getText().toString().getBytes().length < size){
str = edt.getText().toString();
for(int i= edt.getText().toString().getBytes().length; i<size; i++)
str += " ";
}
else  str = edt.getText().toString().substring(0,size);
return str;  
}
 
//设置EditText禁用
private void  unEnabledVote(){
groupName.setEnabled(false);
    voteIntroduce.setEnabled(false);    
    edtOpt1.setEnabled(false);
    edtOpt2.setEnabled(false);
    edtOpt3.setEnabled(false);
    edtOpt4.setEnabled(false);
    edtOpt5.setEnabled(false);
    edtOpt6.setEnabled(false);
     
}  
 
//设置EditText可用
private void  EnabledVote(){
groupName.setEnabled(true);
    voteIntroduce.setEnabled(true);    
    edtOpt1.setEnabled(true);
    edtOpt2.setEnabled(true);
    edtOpt3.setEnabled(true);
    edtOpt4.setEnabled(true);
    edtOpt5.setEnabled(true);
    edtOpt6.setEnabled(true);
     
}
 
 
//使本机蓝牙在300秒内可被搜索
private void ensureDiscoverable(){
//得到BluetoothAdapter对象，本地蓝牙设备
if(mBluetoothAdapter.getScanMode() != BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE){
Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
//可见时间最多为300秒
startActivity(discoverableIntent);

}

}


}

//SearchvoteActivity

package com.example.bluetoothvote;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;


public class SearchvoteActivity extends Activity {

private  Button btnBack;
private  Button btnSearch;
private  ListView lvBluetooth;

private  ArrayList<HashMap<String, String>> list =  new ArrayList<HashMap<String, String>>();
private  SimpleAdapter lvAdapter;//适配器，用于记录搜索到的蓝牙信息
private  HashMap<String, String> blName= new HashMap<String,String>(); 
private  BluetoothReceiver mReceiver = new BluetoothReceiver();
private  BluetoothAdapter mBluetoothAdapter;
private  List<String> addressAll = new ArrayList<String>();//存储搜到的蓝牙名
//private  String strName; 

public class BluetoothReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();  
       // 获得已经搜索到的蓝牙设备  
       if (action.equals(BluetoothDevice.ACTION_FOUND)) {  
           BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);  
           System.out.println(device.getName()+" ");           
         //  if(device.getName().substring(128, 129) == "v"){//消除非投票参与者的蓝牙名
           if(device.getName().substring(128, 130).equals("v")){//消除非投票参与者的蓝牙名
               if(!isExist(device.getName())){
                blName.put("groupName", device.getName().substring(0, 8));
                blName.put("introduce", device.getName().substring(8, 68));
                if(device.getName().substring(130,132).equals("n"))
                {
                blName.put("status", "投票正在进行");
                }
                else
                {
                blName.put("status", "投票已结束");
}
                list.add(blName);
                addressAll.add(device.getName().toString());
               }
           }      
       }        
       else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {  
        System.out.println("搜索完成！");
          
       }  
       
   } 
}

//获取相应字符长度的信息
public  String getStrContent(int size,String strName,int begin){
String str="";
if(strName.substring(begin).toString().getBytes().length <= size){
str = strName.toString();
for(int i= strName.substring(begin).toString().getBytes().length; i<size; i++)
str += " ";
}
else  str = strName.substring(begin).toString().substring(0,size);
return str;  

}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.searchvote);
Initial();
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

//注册用以接收到已搜索到的蓝牙设备的receiver  
        IntentFilter mFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND);  
        registerReceiver(mReceiver, mFilter);  
        // 注册搜索完时的receiver  
        mFilter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);  
        registerReceiver(mReceiver, mFilter);  
       
}
//初始化列表
private void InitListView(){
lvBluetooth = (ListView)findViewById(R.id.lvBluetooth);
lvAdapter = new SimpleAdapter(this, list, R.layout.search_adapter,
new String[]{"groupName","introduce","status"}, new int[]{R.id.groupName,R.id.introduce,R.id.status});//定义适配器
lvBluetooth.setAdapter(lvAdapter);//用适配器给listView添加数据项
lvBluetooth.setOnItemClickListener(new OnItemClickListener(){


@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {

//Group group = adapter.getItem(arg2);
Intent intent  = new Intent(SearchvoteActivity.this,ParticipateActivity.class);
Bundle bundle = new Bundle();  
for (String in : addressAll) {
//TODO-蓝牙名传至参与投票页面
//if(getStrContent(8,in.toString(),0).equals(getStrContent(8,group.getName().toString(),0)))
System.out.println("蓝牙名："+ in);
bundle.putString("blname", in.toString()); 
 

   //Toast.makeText(SearchvoteActivity.this, (CharSequence)in, Toast.LENGTH_SHORT).show();
   break;
}
 intent.putExtras(bundle); //传的时空值
  startActivity(intent);


}
} );  
  }

//初始化各组件
private void Initial(){
btnBack = (Button)findViewById(R.id.btnBack);
btnSearch = (Button)findViewById(R.id.btnSearch);
btnSearch.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0) {
if (mBluetoothAdapter.isDiscovering()) {  
           mBluetoothAdapter.cancelDiscovery();  
       }  
       // 开始搜索蓝牙设备,搜索到的蓝牙设备通过广播返回  
       mBluetoothAdapter.startDiscovery(); 
       InitListView();
       addressAll.clear();
     }
} );

btnBack.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0) {
finish();
}
} );
}

 //解除注册
 @Override  
 protected void onDestroy() {  
         
       super.onDestroy();  
       //解除注册  
       unregisterReceiver(mReceiver);  
 } 
 
 //消除重复的蓝牙名
 private boolean isExist(String address){
    for (String in : addressAll) {
if(in.equals(address)){
return true;
}
}
    return false;
   }

}