Android Open Source - EZ-Wifi-Notification My Application

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License

The source code is released under:

GNU General Public License

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Java Source Code

package et.nWifiManager;
/*  w w w .  j  a  v a2  s. c o m*/
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.State;
import android.preference.PreferenceManager;
import android.widget.Toast;

public class MyApplication extends Application {
  
  private ConnectivityManager cMgr;
  private SharedPreferences prefs;

  public SharedPreferences getPrefs() {
    return this.prefs;
  }

  //
  // lifecycle
  //
    /* (non-Javadoc)
     * @see android.app.Application#onCreate()
     */
  @Override
  public void onCreate() {
    super.onCreate();
    this.cMgr = (ConnectivityManager) this
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
  }

  @Override
  public void onTerminate() {
    // not guaranteed to be called
    super.onTerminate();
  }

  public boolean connectionPresent() {
    NetworkInfo netInfo = cMgr.getActiveNetworkInfo();
    if ((netInfo != null) && (netInfo.getState() != null)) {
      return netInfo.getState().equals(State.CONNECTED);
    }
    return false;
  }

  BroadcastReceiver receiver;

  /** Register for broadcast reciever */
  public void registerReciever() {
    // Register Broadcast Receiver
    if (receiver == null) {
      receiver = new ConnectivityBroadcastReceiver();
      registerReceiver(receiver, new IntentFilter(
          ConnectivityManager.CONNECTIVITY_ACTION));
      // registerReceiver(receiver, new IntentFilter(
      // WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
      Toast.makeText(this, "Reciever listens", Toast.LENGTH_SHORT).show();
    } else {
      unregisterReceiver(receiver);
      receiver = null;
      Toast.makeText(this, "Reciever stopped", Toast.LENGTH_LONG).show();
    }
  }

  public boolean runOnce() {
    try {
      startService(new Intent(this, AnalyzeService.class));
    } catch (Exception ex) {
      Toast.makeText(this, "Reciever Error: error in runOnce",
          Toast.LENGTH_SHORT).show();
      // TODO Notify me of the exception
      return false;
    }
    return true;
  }
  
}

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