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PORunning a BroadcastReceiver continuously in the background to monitor network status..
 

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  1. PORunning a BroadcastReceiver continuously in the background to monitor network status..
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    <p>i am writing an android application to continuously monitor the network in the background after every minute... i am using a BroadcastReceiver... it starts when the boot is completed.... and inside the BroadcastReceiver i am doing following things</p> <pre><code> a. Monitor Network b. check signal strength c. fetch longitude and latitude d. fetch phonenumber e. fetch operatorname and i am saving all the above information into a Database table.... </code></pre> <p>but unfortunately this application is giving me some errors when i install and run it on android device</p> <p>my BroadcastReceiver code is :-</p> <pre><code>public class NetworkInfoReceiver extends BroadcastReceiver{ private NetworkInfoVO networkInfoVO = new NetworkInfoVO(); private String strNetworkInfo = QualityofServiceConstants.DEFAULT_NETWORK_INFO; private SignalStrengthPhoneStateListner signalStrengthPhoneStateListner = new SignalStrengthPhoneStateListner(); @Override public void onReceive(Context context, Intent intent) { Toast.makeText(context, "Started", Toast.LENGTH_SHORT).show(); ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo(); //Check Network status here if(networkInfo!=null &amp;&amp; networkInfo.isConnected()){ String networkState = getNetworkStateString(networkInfo.getState()); String stateString = networkInfo.toString().replace(',', '\n'); strNetworkInfo = String.format("Network Type: %s\n Network State: %s\n\n %s", networkInfo.getTypeName(),networkState,stateString); } //check signal strength here telephonyManager.listen(signalStrengthPhoneStateListner, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS); networkInfoVO.setNetworkInfo(strNetworkInfo); //get phonenumber here networkInfoVO.setPhoneNumber(telephonyManager.getLine1Number()); //get operator name here networkInfoVO.setServiceProvider(telephonyManager.getNetworkOperatorName()); //get signal strength here networkInfoVO.setSignalStrength(signalStrengthPhoneStateListner.getSignalStrengths()); //get latitude here networkInfoVO.setLatitude(String.valueOf(getGPS(context).getLatitude())); //get longitude here networkInfoVO.setLongitude(String.valueOf(getGPS(context).getLongitude())); networkInfoVO.setTime(new Date().toString()); new NetworkInfoDatabaseHelper(context).saveRecord(networkInfoVO); try { Thread.sleep(60000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } private String getNetworkStateString(NetworkInfo.State state){ String stateString = QualityofServiceConstants.NETWORK_STATE_UNKNOWN; switch(state) { case CONNECTED: stateString = QualityofServiceConstants.NETWORK_STATE_CONNECTED; break; case CONNECTING: stateString = QualityofServiceConstants.NETWORK_STATE_CONNECTING; break; case DISCONNECTED: stateString = QualityofServiceConstants.NETWORK_STATE_DISCONNECTED; break; case DISCONNECTING: stateString = QualityofServiceConstants.NETWORK_STATE_DISCONNECTING; break; case SUSPENDED: stateString = QualityofServiceConstants.NETWORK_STATE_SUSPENDED; break; default: stateString = QualityofServiceConstants.NETWORK_STATE_UNKNOWN; break; } return stateString; } private Location getGPS(Context context){ LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); List&lt;String&gt;providers = locationManager.getProviders(true); Location location = null; for (int i = providers.size()-1; i &gt;= 0; i--){ location = locationManager.getLastKnownLocation(providers.get(i)); if(location!=null) break; } return location; } private class SignalStrengthPhoneStateListner extends PhoneStateListener{ private String signalStrengths; @Override public void onSignalStrengthsChanged(SignalStrength signalStrength) { super.onSignalStrengthsChanged(signalStrength); if(signalStrength.getGsmSignalStrength() &gt; 30){ signalStrengths = "Signal Strength :" + signalStrength.getGsmSignalStrength() + " Good"; }else if(signalStrength.getGsmSignalStrength() &gt; 20 &amp;&amp; signalStrength.getGsmSignalStrength() &lt; 30){ signalStrengths = "Signal Strength : " + signalStrength.getGsmSignalStrength() + " Average"; }else if(signalStrength.getGsmSignalStrength() &lt; 20){ signalStrengths = "Signal Strength : " + signalStrength.getGsmSignalStrength() + " Weak"; } } public String getSignalStrengths() { return signalStrengths; } } } </code></pre> <p>my manifest file is :-</p> <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="compervazive.lognetworkinfo" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" /&gt; &lt;uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/&gt; &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/&gt; &lt;uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" /&gt; &lt;uses-permission android:name="android.permission.READ_PHONE_STATE"/&gt; &lt;uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/&gt; &lt;uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/&gt; &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/&gt; &lt;uses-permission android:name="android.permission.ACCESS_CORSE_LOCATION"/&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;receiver android:name="com.example.qos.broadcastreceiver.NetworkInfoReceiver" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action._BOOT_COMPLETED"/&gt; &lt;action android:name="android.net.conn.CONNECTIVITY_CHANGE"/&gt; &lt;action android:name="android.net.wifi.WIFI_STATE_CHANGED"/&gt; &lt;action android:name="android.net.wifi.STATE_CHANGE"/&gt; &lt;action android:name="android.intent.action.SIG_STR"/&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>please let me know what is the problem in this.... Thanks for your time :-)</p>
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    1. USSachidananda Naik
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    1. COwhat errors do you get?
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      1. PORunning a BroadcastReceiver continuously in the background to monitor network status..
      1. USdamian
    2. COYou want us to guess what the errors are or what?
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      1. PORunning a BroadcastReceiver continuously in the background to monitor network status..
      1. USEgor
    3. COapplication is not getting installed... i want you to please look at the manifest file... and let me know if all the permissions and intent filters are correct...
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      1. PORunning a BroadcastReceiver continuously in the background to monitor network status..
      1. USSachidananda Naik
 

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