If you are using Eclipse, look for the LogCat tab to get more information
about the exception that's being thrown. This way it's easier to know what's
the problem.
Cheers,
Matheus
2011/8/6 Gabor T. <t.gabo...@gmail.com>
> Here is my code:
> package hu.wifx.droid;
>
> import android.app.Activity;
> import android.os.Bundle;
> import android.widget.Button;
> import android.widget.TextView;
> import android.view.View;
> import java.util.List;
> 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.WifiManager;
>
> public class WifXActivity extends Activity {
>
> TextView mText;
> WifiManager mWifi;
> List<ScanResult> wifiList;
> StringBuilder _sb = new StringBuilder();
>
>
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> Button btn1 = (Button) findViewById(R.id.btn1);
> btn1.setOnClickListener(new View.OnClickListener()
> {
> public void onClick(View arg0)
> {
> // TODO Auto-generated method stub
> StartTester();
> }
> });
> }
>
> public void StartTester()
> {
> //startActivity(new Intent(this, WIfiScanner.class));
> IntentFilter i = new IntentFilter();
> i.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
>
> mText = (TextView) findViewById(R.id.mainText);
> mWifi = (WifiManager)
> getSystemService(Context.WIFI_SERVICE);
> registerReceiver(new BroadcastReceiver(){
> public void onReceive(Context c, Intent i) {
> WifiManager w = (WifiManager)
> c.getSystemService(Context.WIFI_SERVICE);
> wifiList = w.getScanResults();
>
> _sb = new StringBuilder();
>
> for(int m = 0; m < wifiList.size(); m++)
> {
>
> _sb.append((wifiList.get(m)).toString());
> _sb.append("\\n");
> }
>
> mText.setText(_sb);
> }
> }, i);
>
> WifiManager WM = (WifiManager)
> getSystemService(Context.WIFI_SERVICE);
> WM.setWifiEnabled(true);
> WM.startScan();
> }
> }
>
> No errors,
> but when I start the emulator and click on button1:The application has
> stopped unexpectedly. ....
> Why?
>
> Please help me!
> Thanks.
>
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--
Matheus Augusto Bodo
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