Android Open Source - WiFiWar Scan Activity

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License

The source code is released under:

The source Code is set under the Creative Commons by Attribution-ShareAlike 3.0 (see http://creativecommons.org/licenses/by-sa/3.0/de/deed.en ) The Open Street Map Data underly the Open Data Commons ...

Java Source Code

package com.arno.wifiwar;
/*from   w w w.j  a v  a  2s.c o  m*/
import java.util.List;

import main.Logger;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

public class ScanActivity extends Activity implements OnClickListener {

  private int scanNums = 0;
  private TextView statusText;
  private ProgressBar statusBar; 
  private List<ScanResult> scanList;
  private WifiManager myWiFi;
  private int scanUID = 0;
  //private boolean working = false;
  private WiFiReceiver wiFiRec;
  
  
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.activity_scan);
        
        
        Intent myIntent = getIntent();
        scanNums = myIntent.getIntExtra("NUM_SCANS", main.Config.numberOfSamples);
        //Random should avoid collission as good as possible... (For when Intent is damaged)
        scanUID = myIntent.getIntExtra("SCAN_UID", 1);
        //Positive Scannumber needed
        if (scanNums < 1) scanNums = main.Config.numberOfSamples;
        statusText = (TextView) findViewById(R.id.textStatus);
        statusBar = (ProgressBar) findViewById(R.id.proStatus);
        
        
        System.err.println("Created? (scan)");
        
        myWiFi = (WifiManager) getSystemService(Context.WIFI_SERVICE);

        //Go-Back-Button
        Button button = (Button) findViewById(R.id.but_back);
    button.setOnClickListener(this);
        
    // Get WiFi status
    WifiInfo info = myWiFi.getConnectionInfo();
    Logger.getInstance().log("Testscan-Info","\n\nWiFi Status: " + info.toString());
    
    wiFiRec = new WiFiReceiver();
        
    }
  
  @Override
  protected void onResume() {    
    super.onResume();
    if (statusText == null)
      System.err.println("Resuming");
    else 
      System.err.println("Resuming without null");
    //this.statusText.setText("Test");
    
    //UI
    statusBar.setMax(scanNums);
    
    //Perorming Scans
    //for (int i=0; i<scanNums; i++) {
      //scan();
      //WiFiReceiver wiFiRec = new WiFiReceiver();
      registerReceiver(wiFiRec, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
      myWiFi.startScan();
      //Wait a bit for not only dups of scans
      //try {
      //  Thread.sleep(50);
      //} catch (Exception e) {
      //  //Do nothing...
      //}
    //  this.statusText.setText("Init "+(i+1)+" of "+scanNums+" started");
    //}
    
  } 
  
  //This class is a receiver to be used when a scan completed.
  // It automatically initiates the new scan!
  class WiFiReceiver extends BroadcastReceiver {
        private int i = 0;
    
    public void onReceive(Context c, Intent intent) {
            
          System.err.println("Receiver reached");
          
          statusText.setText("Sample "+((i++)+1)+" of "+scanNums+" completed");
          
          scanList = myWiFi.getScanResults();
          
          if (i<scanNums) 
            myWiFi.startScan();
            //No longer Intended
          else
            unregisterReceiver(this);
          
          //Lgging Data
            
            for (ScanResult wScan : scanList) {
              Logger.getInstance().dataLog(scanUID, wScan);
            }

            statusBar.incrementProgressBy(1);
            
        }
        
        
    }

  @Override
  public void onClick(View v) {
    //This is only to go back
    Logger.getInstance().dataFinish();
    finish();
    
  }

}

Java Source Code List

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