用來連接到 WIFI 熱點的庫 - android-wifi-connecter

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.net.wifi.ScanResult;
import android.widget.Toast;
...
...
private static void launchWifiConnecter(final Activity activity, final ScanResult hotspot) {
  final Intent intent = new Intent("com.farproc.wifi.connecter.action.CONNECT_OR_EDIT");
  intent.putExtra("com.farproc.wifi.connecter.extra.HOTSPOT", hotspot);
  try {
    activity.startActivity(intent);
  } catch(ActivityNotFoundException e) {
    // Wifi Connecter Library is not installed.
    Toast.makeText(activity, "Wifi Connecter is not installed.", Toast.LENGTH_LONG).show();
    downloadWifiConnecter(activity);
  }
}

private static void downloadWifiConnecter(final Activity activity) {
  Intent downloadIntent = new Intent(Intent.ACTION_VIEW)
    .setData(Uri.parse("market://details?id=com.farproc.wifi.connecter"));
  try {
    activity.startActivity(downloadIntent);
    Toast.makeText(activity, "Please install this app.", Toast.LENGTH_LONG).show();
  } catch (ActivityNotFoundException e) {
    // Market app is not available in this device.
    // Show download page of this project.
    try {
      downloadIntent.setData(Uri.parse("http://code.google.com/p/android-wifi-connecter/downloads/list"));
      activity.startActivity(downloadIntent);
      Toast.makeText(activity, "Please download the apk and install it manully.", Toast.LENGTH_LONG).show();
    } catch  (ActivityNotFoundException e2) {
      // Even the Browser app is not available!!!!!
      // Show a error message!
      Toast.makeText(activity, "Fatel error! No web browser app in your device!!!", Toast.LENGTH_LONG).show();
    }
  }
}

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