我想要startreceiver和stopreceiver buttonon和butttonoff点击 单击接收器上的按钮启动但按钮点击不停止它给我错误
buttonon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Calendar cur_cal = Calendar.getInstance();
cur_cal.setTimeInMillis(System.currentTimeMillis());
Intent intent = new Intent(MainActivity.this, WifiScanService.class);
PendingIntent pintent = PendingIntent.getService(MainActivity.this, 0, intent, 0);
AlarmManager alarm = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
alarm.setRepeating(AlarmManager.RTC_WAKEUP, cur_cal.getTimeInMillis(), 10*1000, pintent);
startService(new Intent(MainActivity.this,WifiScanService.class));
}
}
buttonoff..setOnClickListener（new OnClickListener（）{
@Override
public void onClick(View v) {
Calendar cur_cal = Calendar.getInstance();
cur_cal.setTimeInMillis(System.currentTimeMillis());
Intent intent = new Intent(MainActivity.this, WifiScanService.class);
PendingIntent pintent = PendingIntent.getService(MainActivity.this, 0, intent, 0);
AlarmManager alarm = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
alarm.cancel(pintent);
stopService(new Intent(MainActivity.this,WifiScanService.class));
}
Wifiscanservice.class
public class WifiScanService extends Service{
private static String TAG="WifiScanService";
WifiManager mainWifi;
WifiReceiver receiverWifi;
List<ScanResult> wifiList;
String wifinetworkname;
String userid="";
String longitude="";
String latitude="";
String terminalid="";
String wifiname="";
String timestamp="";
String sid="";
String success="";
String message="";
// for session
SharedPreferences spreferences;
Editor edit;
public WifiScanService(){
super();
}
@Override
public void onDestroy(){
super.onDestroy();
Log.i(TAG, "ondestroy");
unregisterReceiver(receiverWifi);
}
@Override
public void onCreate(){
Log.i(TAG, "onCreate");
}
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
Log.d("WifiScanService","In Service");
wifinetworkname = getString(R.string.wifinetworks);
mainWifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
receiverWifi = new WifiReceiver();
registerReceiver(receiverWifi, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
if (mainWifi.isWifiEnabled() == false)
{
// If wifi disabled then enable it
Toast.makeText(getApplicationContext(), "wifi is disabled..making it enabled",
Toast.LENGTH_LONG).show();
mainWifi.setWifiEnabled(true);
}
mainWifi.startScan();
return Service.START_STICKY;
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
/////////////////////////////////////////////////////////////////////////////////////
class WifiReceiver extends BroadcastReceiver
{
// Classes For Database
private SQLiteDatabase mSQLiteDatabase = null;
private DB_Helper mDB_Helper = null;
// get latitude and longitude
GPSTracker gps;
String result="";
// This method call when number of wifi connections changed
public void onReceive(Context c, Intent intent)
{
spreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
sid=spreferences.getString("id","");
// for get the location
gps = new GPSTracker(getApplicationContext());
Log.d("WifiReceiver","In Receiver");
wifiList = mainWifi.getScanResults();
for(int i = 0; i < wifiList.size(); i++)
{
// Vibrator v = (Vibrator)c.getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 500 milliseconds
// v.vibrate(500);
/*
ArrayList<HashMap<String,String>> dbwifilist= new ArrayList<HashMap<String,String>>();
Open_Database();
dbwifilist=DB_Helper.CheckWifiFound(mSQLiteDatabase,
DB_Constant.TABLE.MYWIFI,
DB_Constant.MYWIFI.WIFINAME,
wifiList.get(i).SSID.toUpperCase().toString());
Close_Database();
if(dbwifilist.size()>0)
{
if(gps.canGetLocation())
{
double mlatitude = gps.getLatitude();
double mlongitude = gps.getLongitude();
latitude=Double.toString(mlatitude);
longitude=Double.toString(mlongitude);
}
else
{
///Toast tx=Toast.makeText(c,"GPS IS DISABLE",Toast.LENGTH_SHORT);
// tx.show();
}
wifiname=wifiList.get(i).SSID;
terminalid=dbwifilist.get(0).get(DB_Constant.MYWIFI.TERMINAL_ID).toString();
if(!sid.equals(""))
{
if(CheckConnection.getInstance(getApplicationContext()).isOnline(getApplicationContext()))
{
new StoreUserLocationAsync().execute("");
}
else
{
Toast.makeText(getApplicationContext(), "wifi is disabled..making it enabled",Toast.LENGTH_SHORT).show();
}
}
}
// Toast tx=Toast.makeText(c,"PingCM2C Network Found - " + wifiList.get(i).SSID,Toast.LENGTH_SHORT);
// tx.show();
// Log.d("WifiReceiver","In Receiver"+wifiList.get(i).SSID);
*/
}
}
public class StoreUserLocationAsync extends AsyncTask<String,String,String>
{
@Override
protected String doInBackground(String... params)
{
JsonParser jparser= new JsonParser();
Date date = new Date();
SimpleDateFormat formatdate = new SimpleDateFormat("MM/dd/yyyy%20HH:mm:ss");
timestamp=formatdate.format(date);
String url="http://ringmyserver.com/Pingm2c/rest/userservice/storeUserLocation?userID="+sid+"&Longitude="+longitude+"&Latitude="+latitude+"&TerminalID="+terminalid+"&ConnectedWiFiNAme="+wifiname+"&TimeStamp="+timestamp+"";
String data=jparser.geturldata(url);
Log.e("StoreUserLocation","----->"+data);
Log.e("StoreUserLocation","----->"+url);
try
{
JSONObject jobject = new JSONObject(data);
success=jobject.getString(WS_Constant.REGISTER.SUCCESS);
if(success.equals("0"))
{
message=jobject.getString(WS_Constant.REGISTER.MESSAGE);
}
else
{
message=jobject.getString(WS_Constant.REGISTER.MESSAGE);
}
}
catch (Exception e)
{
e.printStackTrace();
}
return message;
}
@Override
protected void onPostExecute(String result)
{
Toast.makeText(getApplicationContext(),"User Location Update ",Toast.LENGTH_SHORT).show();
}
}
/* Opening DB */
private void Open_Database()
{
mDB_Helper = new DB_Helper(getApplicationContext());
mSQLiteDatabase = mDB_Helper.getWritableDatabase();
}
/* Closing DB */
private void Close_Database()
{
if (mSQLiteDatabase != null && mDB_Helper != null)
{
mSQLiteDatabase.close();
mDB_Helper.close();
}
}
}
}
错误日志
06-20 23:20:15.460: E/ActivityThread(10269): Service com.pingm2c.WifiScanService has leaked IntentReceiver com.pingm2c.WifiScanService$WifiReceiver@40deb568 that was originally registered here. Are you missing a call to unregisterReceiver()?
06-20 23:20:15.460: E/ActivityThread(10269): android.app.IntentReceiverLeaked: Service com.pingm2c.WifiScanService has leaked IntentReceiver com.pingm2c.WifiScanService$WifiReceiver@40deb568 that was originally registered here. Are you missing a call to unregisterReceiver()?
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.LoadedApk$ReceiverDispatcher.<init>(LoadedApk.java:820)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.LoadedApk.getReceiverDispatcher(LoadedApk.java:614)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1312)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ContextImpl.registerReceiver(ContextImpl.java:1299)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ContextImpl.registerReceiver(ContextImpl.java:1293)
06-20 23:20:15.460: E/ActivityThread(10269): at android.content.ContextWrapper.registerReceiver(ContextWrapper.java:341)
06-20 23:20:15.460: E/ActivityThread(10269): at com.pingm2c.WifiScanService.onStartCommand(WifiScanService.java:84)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2723)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ActivityThread.access$1900(ActivityThread.java:139)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
06-20 23:20:15.460: E/ActivityThread(10269): at android.os.Handler.dispatchMessage(Handler.java:99)
06-20 23:20:15.460: E/ActivityThread(10269): at android.os.Looper.loop(Looper.java:156)
06-20 23:20:15.460: E/ActivityThread(10269): at android.app.ActivityThread.main(ActivityThread.java:5005)
06-20 23:20:15.460: E/ActivityThread(10269): at java.lang.reflect.Method.invokeNative(Native Method)
06-20 23:20:15.460: E/ActivityThread(10269): at java.lang.reflect.Method.invoke(Method.java:511)
06-20 23:20:15.460: E/ActivityThread(10269): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-20 23:20:15.460: E/ActivityThread(10269): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-20 23:20:15.460: E/ActivityThread(10269): at dalvik.system.NativeStart.main(Native Method)