El receptor de difusión funciona de forma diferente en diferentes versiones de Android (4.1.1 y 4.2.2)

Tengo un problema que cuando ejecuto mi aplicación Android que tiene receptor de difusión para WiFi . Funciona de manera diferente en diferentes versiones del sistema operativo Android (como 4.1.1 y 4.2.2 ).

Cuando lo ejecuto en 4.1.1 funciona perfecto como el receptor de Broadcast recibir el Broad cast cuando el estado Wifi cambiado. (En Desconectar wifi de difusión recibir tengo que calcular el tiempo total de conexión wifi y almacenar en la base de datos).

• Interceptar una intención de una aplicación externa
• ¿Puedo seguir recibiendo la intención del receptor de difusión después de que la fuerza detuviera mi aplicación en android?
• Excepción extraña de "Receptor no registrado"
• Receptor de difusión no funciona para SMS
• El lanzamiento de una actividad de un receptor de emisión que escucha la llamada saliente

Pero cuando lo ejecuto en 4.2.2 , el receptor de la difusión llama dos veces cuando Wifi se desconecta así que en ese momento los valores (es decir, tiempo para la conexión del wifi) almacenan en base de datos dos veces .

Así que necesito saber por qué sucedió esto ¿Por qué Broadcast Receiver llama dos veces en el momento de desconectar wifi ? Necesito código tal que funciona igual para todas las versiones de Android .

Aquí es mi código.

Archivo de Menifest de Android

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.evowifiservice" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:maxSdkVersion="17" android:targetSdkVersion="17"/> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.INTERNET" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.example.evowifiservice.MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <receiver android:name=".WiFiReceiver" > <intent-filter> <action android:name="android.net.conn.CONNECTIVITY_CHANGE" /> <action android:name="android.net.wifi.STATE_CHANGE" /> </intent-filter> <!-- <intent-filter> <action android:name="android.net.wifi.WIFI_STATE_CHANGED" /> </intent-filter> --> </receiver> <service android:name=".FirstService" > </service> </application> </manifest> 

CÓDIGO PARA el receptor que extiende el receptor de la difusión (ejecute dos veces cuando wifi es disconnected)

 package com.example.evowifiservice; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.Locale; import android.content.BroadcastReceiver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.util.Log; import android.widget.Toast; public class WiFiReceiver extends BroadcastReceiver { SharedPreferences sharedpref; SharedPreferences.Editor editor; public static String PREFS_NAME = "WifiList"; WifiInfo connectionInfo; Calendar calendar; String strSSID; ArrayList<String> arySSID; @Override public void onReceive(Context context, Intent intent) { // TODO Auto-generated method stub try { MainActivity.mDatabase = context.openOrCreateDatabase( "WifiDetails.db", SQLiteDatabase.CREATE_IF_NECESSARY, null); MainActivity.mDatabase.setVersion(1); MainActivity.mDatabase.setLocale(Locale.getDefault()); MainActivity.mDatabase.setLockingEnabled(true); arySSID = new ArrayList<String>(); Cursor c = MainActivity.mDatabase.query("tbl_SSID", null, null, null, null,null, null); arySSID.clear(); c.moveToFirst(); while (!c.isAfterLast()) { arySSID.add(c.getString(1)); c.moveToNext(); } Log.d("ArySSID","Array : "+arySSID+" Size "+arySSID.size()); } catch (Exception e) { // TODO: handle exception } sharedpref = context.getSharedPreferences(PREFS_NAME, 0); if (intent.getAction().equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { NetworkInfo networkInfo = intent .getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); if (networkInfo.isConnected()) { // Wifi is connected WifiManager wifiManager = (WifiManager) context .getSystemService(Context.WIFI_SERVICE); wifiManager.getConfiguredNetworks(); connectionInfo = wifiManager.getConnectionInfo(); strSSID = connectionInfo.getSSID(); Log.d("Currently Connected with", "" + strSSID); // Retrieve the values String comparestr=strSSID.replaceAll("^\"|\"$", ""); editor = sharedpref.edit(); editor.putString("CurrentSSID", "" + comparestr); editor.commit(); if (arySSID.contains(comparestr)) { Log.d("CONTAINSSSS", "CONTAINSSSS"); Date date = new Date(); long timeInMili = date.getTime(); editor.putLong("ConnectedTimeMili", timeInMili); editor.commit(); Log.d("Connected Time", "" + timeInMili); SimpleDateFormat df1 = new SimpleDateFormat("dd/MM/yyyy"); String connectedDateText = df1.format(date); Log.d("Connected Date", connectedDateText); SimpleDateFormat df2 = new SimpleDateFormat("HH:mm:ss"); String connectedTimeText = df2.format(date); Log.d("Connected Time", connectedTimeText); Toast.makeText( context, "You are Connected with Evosys Organization @ " + "" + connectedTimeText, Toast.LENGTH_SHORT).show(); ContentValues myval = new ContentValues(); myval.put("SSID", "" + comparestr); myval.put("Status", "CONNECTED"); myval.put("Date", connectedDateText); myval.put("Time", connectedTimeText); MainActivity.mDatabase.insert("tbl_WifiDet", null, myval); Toast.makeText(context, "Insert while Connected Successfully", Toast.LENGTH_LONG).show(); } Log.d("Inetify", "Wifi is connected: " + String.valueOf(networkInfo)); } } else if (intent.getAction().equals( ConnectivityManager.CONNECTIVITY_ACTION)) { NetworkInfo networkInfo = intent .getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO); if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI && !networkInfo.isConnected()) { // Wifi is disconnected strSSID = sharedpref.getString("CurrentSSID", ""); Log.d("Currently DisConnected with", "-----" + strSSID); String comparestr=strSSID.replaceAll("^\"|\"$", ""); if (arySSID.contains(comparestr)) { Date date = new Date(); long dctimemili = date.getTime(); Log.d("DCConnected Time", "" + dctimemili); SimpleDateFormat df1 = new SimpleDateFormat("dd/MM/yyyy"); String DcdateText = df1.format(date); Log.d("Disconnected Date", DcdateText); SimpleDateFormat df2 = new SimpleDateFormat("HH:mm:ss"); String DctimeText = df2.format(date); Log.d("Disconnected Time", DctimeText); long ctimemili = sharedpref.getLong("ConnectedTimeMili", 0); long diff = dctimemili - ctimemili; Log.d("MILI SECOND You are connected upto", "" + diff); // int seconds = (int) (diff / 1000) % 60 ; // int minutes = (int) ((diff / (1000*60)) % 60); // int hours = (int) ((diff / (1000*60*60)) % 24); int mHour = (int) (diff / (1000*60*60)); int mMin = (int) ((diff % (1000*60*60)) / (1000*60)); int mSec = (int) (((diff % (1000*60*60)) % (1000*60)) / 1000); String connectionTime = mHour + ":" + mMin + ":" + mSec; Log.d("You are connected upto", "" + connectionTime); ContentValues myval = new ContentValues(); myval.put("SSID", "" + comparestr); myval.put("Status", "DISCONNECTED"); myval.put("Date", DcdateText); myval.put("Time", DctimeText); myval.put("Total_Connection_Time", diff); MainActivity.mDatabase.insert("tbl_WifiDet", null, myval); Toast.makeText(context, "Insert while D/C Successfully", Toast.LENGTH_LONG).show(); Toast.makeText(context, "Wifi is disconnected.", Toast.LENGTH_LONG).show(); Log.d("Inetify", "Wifi is disconnected: " + String.valueOf(networkInfo)); } } } } } 

Actividad principal

 package com.example.evowifiservice; import java.util.ArrayList; import java.util.Locale; import android.app.Activity; import android.app.Dialog; import android.app.ProgressDialog; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { SharedPreferences sharedpref; SharedPreferences.Editor editor; public static String PREFS_NAME = "WifiList"; static SQLiteDatabase mDatabase; ListView list_wifiDet; Button btn_wifiDetView,btn_delete_records,btn_tot_con_time; ArrayList<String> arySSID,aryConStatus,aryDate,aryTime; ArrayAdapter<String> adpt; static final int CUSTOM_DIALOG_ID1 = 1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn_wifiDetView=(Button) findViewById(R.id.btn_wifiDetView); btn_delete_records=(Button) findViewById(R.id.btn_delete_records); btn_tot_con_time=(Button) findViewById(R.id.btn_tot_con_time); list_wifiDet=(ListView) findViewById(R.id.list_wifiDet); try { mDatabase=openOrCreateDatabase("WifiDetails.db",SQLiteDatabase.CREATE_IF_NECESSARY, null); mDatabase.setVersion(1); mDatabase.setLocale(Locale.getDefault()); mDatabase.setLockingEnabled(true); String s="Create table tbl_WifiDet(Id INTEGER PRIMARY KEY AUTOINCREMENT,SSID TEXT,Status TEXT,Date TEXT,Time TEXT,Total_Connection_Time INTEGER)"; mDatabase.execSQL(s); String s1="Create table tbl_SSID(Id INTEGER PRIMARY KEY AUTOINCREMENT,SSID TEXT)"; mDatabase.execSQL(s1); ContentValues myval = new ContentValues(); myval.put("SSID", "evosys1"); mDatabase.insert("tbl_SSID", null, myval); myval.put("SSID", "evosys2"); mDatabase.insert("tbl_SSID", null, myval); myval.put("SSID", "ROUTE-999"); mDatabase.insert("tbl_SSID", null, myval); // Toast.makeText(getApplicationContext(), "Insert SSID List Successfully", Toast.LENGTH_LONG).show(); } catch (Exception e) { // TODO: handle exception } } @Override protected void onStart() { // TODO Auto-generated method stub super.onStart(); sharedpref = getSharedPreferences(PREFS_NAME, 0); Log.d("Starting Service", "in MainActivity"); startService(new Intent(this,FirstService.class)); btn_wifiDetView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Cursor c = mDatabase.query("tbl_WifiDet", null, null, null, null,null, null); c.moveToFirst(); arySSID = new ArrayList<String>(); aryConStatus = new ArrayList<String>(); aryDate = new ArrayList<String>(); aryTime = new ArrayList<String>(); arySSID.clear(); aryConStatus.clear(); aryDate.clear(); aryTime.clear(); while (!c.isAfterLast()) { arySSID.add(c.getString(1)); aryConStatus.add(c.getString(2)); aryDate.add(c.getString(3)); aryTime.add(c.getString(4)); c.moveToNext(); } showDialog(CUSTOM_DIALOG_ID1); adpt = new MyCustomBaseAdapteradptWifiDet(MainActivity.this, R.layout.wifi_list,arySSID,aryConStatus,aryDate,aryTime); list_wifiDet.setAdapter(adpt); } }); btn_tot_con_time.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub // String[] columns = new String[]{ "sum(Total_Connection_Time) as " + "Total_Connection_Time" }; Cursor c = mDatabase.query("tbl_WifiDet", null, null, null, null,null, null); c.moveToLast(); long contime=c.getLong(5); Log.d("Chking Time", "-----"+contime); c.moveToFirst(); long result = 0; while(!c.isAfterLast()){ Log.d("SUMMM", ""+result+"+"+c.getLong(5)); result=(result + c.getLong(5)); Log.d("Answer:", "--"+result); c.moveToNext(); } Log.d("Toatal Con Time", ""+result); int mHour = (int) (result / (1000*60*60)); int mMin = (int) ((result % (1000*60*60)) / (1000*60)); int mSec = (int) (((result % (1000*60*60)) % (1000*60)) / 1000); String connectionTime = mHour + ":" + mMin + ":" + mSec; Log.d("Formated Toatal Con Time", "" + connectionTime); Toast.makeText(getApplicationContext(),"Connection Duration :: "+connectionTime, Toast.LENGTH_LONG).show(); } }); btn_delete_records.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub new MyTask().execute(); } }); } public class MyTask extends AsyncTask<Void, Void, Void> { ProgressDialog dialog = new ProgressDialog(MainActivity.this); @Override protected void onPreExecute() { // update the UI immediately after the task is executed dialog.setMessage("Please wait..."); dialog.setCancelable(false); dialog.show(); super.onPreExecute(); } @Override protected Void doInBackground(Void... arg0) { // TODO Auto-generated method stub mDatabase.delete("tbl_WifiDet",null,null); return null; } @Override protected void onPostExecute(Void result) { // TODO Auto-generated method stub super.onPostExecute(result); try { dialog.dismiss(); } catch (Exception e) { // TODO: handle exception } Toast.makeText(getApplicationContext(), "Record Delete Successfully",Toast.LENGTH_LONG).show(); } } @Override protected Dialog onCreateDialog(int id) { Dialog dialog = null; switch (id) { case CUSTOM_DIALOG_ID1: dialog = new Dialog(MainActivity.this); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); dialog.setContentView(R.layout.wifi_list); list_wifiDet = (ListView) dialog.findViewById(R.id.list_wifiDet); break; } return dialog; } class MyCustomBaseAdapteradptWifiDet extends ArrayAdapter<String> { public MyCustomBaseAdapteradptWifiDet(Context context, int textViewResourceId,ArrayList<String> object, ArrayList<String> aryConStatus, ArrayList<String> aryDate, ArrayList<String> aryTime) { super(context, textViewResourceId, object); } @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = inflater.inflate(R.layout.wifi_list_cell, null); final TextView lblSSID,lblStatus,lblDate,lblTime; lblSSID = (TextView) v.findViewById(R.id.view_ssid); lblStatus = (TextView) v.findViewById(R.id.view_connectionStatus); lblDate = (TextView) v.findViewById(R.id.view_Date); lblTime = (TextView) v.findViewById(R.id.view_Time); lblSSID.append(arySSID.get(position)); lblStatus.append(aryConStatus.get(position)); lblDate.append(aryDate.get(position)); lblTime.append(aryTime.get(position)); return v; } } } 

 <receiver android:name=".WiFiReceiver" > <intent-filter> <action android:name="android.net.wifi.WIFI_STATE_CHANGED" /> </intent-filter> </receiver> 

  public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { int newWifiState = intent.getIntExtra( WifiManager.EXTRA_WIFI_STATE, WifiManager.WIFI_STATE_UNKNOWN); switch(newWifiState){ case WifiManager.WIFI_STATE_ENABLED: Toast.makeText(context, "Wi-fi is Connected", Toast.LENGTH_SHORT).show(); // Put your code here to perform actions when wi-fi is connected break; case WifiManager.WIFI_STATE_DISABLED: Toast.makeText(context, "Wi-fi Disconnected", Toast.LENGTH_SHORT).show(); // Put your code here to perform actions when wi-fi is disconnected break; /* You can also handle cases for the states "Connecting" and "Disconnecting" by switching for values WifiManager.WIFI_STATE_ENABLING and WifiManager.WIFI_STATE_DISABLING */ } } } 

 public class WifiBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); int networkId = wifiManager.getConnectionInfo().getNetworkId(); boolean isConnected = networkId != -1; if (isConnected) { Toast.makeText(context, "WiFi connected: " + wifiManager.getConnectionInfo().getSSID(), Toast.LENGTH_SHORT).show() ; } else { Toast.makeText(context, "WiFi disconnected.", Toast.LENGTH_SHORT).show() ; } } } 

 if (connected) { if (!myIsConnected) { myIsConnected = true ; Toast.makeText(context, "WiFi connected: " + mWifiManager.getConnectionInfo().getSSID(), Toast.LENGTH_SHORT).show() ; } } else { if (myIsConnected) { myIsConnected = false ; Toast.makeText(context, "WiFi disconnected.", Toast.LENGTH_SHORT).show() ; } }