Android Open Source - expo-connect Start Activity

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Back to project page expo-connect.

License

The source code is released under:

GNU General Public License

Java Source Code

package it.polimi.camparollo.expoconnect.wifi;
/* w  ww. j a  va2s .  c om*/
import java.net.InetAddress;
import java.util.ArrayList;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.net.wifi.WpsInfo;
import android.net.wifi.p2p.WifiP2pConfig;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager.Channel;
import android.net.wifi.p2p.WifiP2pManager.ChannelListener;
import android.os.Bundle;
import android.provider.Settings;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import android.widget.Toast;
import it.polimi.camparollo.expoconnect.R;
import it.polimi.camparollo.expoconnect.datatransfer.IPAddressSender;
import it.polimi.camparollo.expoconnect.exceptions.CannotEnableWifiP2pException;
import it.polimi.camparollo.expoconnect.recommendations.RestaurantListActivity;

public class StartActivity extends Activity implements ChannelListener {

  public static final String ScreenMAC = "08:60:6e:25:eb:bb";
  public static final String TAG = "ExpoConnect";

  private WifiP2pManager manager;
  private Channel channel;

  private final IntentFilter intentFilter = new IntentFilter();
  private BroadcastReceiver receiver = null;

  private boolean isWifiP2pEnabled = false;
  private boolean retryChannel = false;
  private boolean isDeviceConnected = false;
  private String data;

  public void setWifiP2pEnabled(boolean isWifiP2pEnabled) {
    this.isWifiP2pEnabled = isWifiP2pEnabled;
  }

  public void setRetryChannel(boolean retryChannel) {
    this.retryChannel = retryChannel;
  }

  public boolean isDeviceConnected() {
    return isDeviceConnected;
  }

  public void setIsDeviceConnected(boolean isDeviceConnected) {
    this.isDeviceConnected = isDeviceConnected;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_start);

    intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
    intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
    intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
    intentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);

    manager = ((WifiP2pManager)getSystemService(Context.WIFI_P2P_SERVICE));
    channel = manager.initialize(this, getMainLooper(), null);

    // Restore preferences
    SharedPreferences settings = getSharedPreferences(TAG, 0);
    data = settings.getString("Data", null);

    if (data != null) {

      Button b = (Button) findViewById(R.id.historyButton);

      b.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
          Intent i = new Intent(getApplicationContext(), RestaurantListActivity.class);
          i.putExtra("Data", data);
          startActivity(i);

        }
      });

      b.setVisibility(View.VISIBLE);

    }

  }

  @Override
  public void onPause() {
    super.onPause();
    unregisterReceiver(receiver);
  }

  @Override
  public void onResume() {
    super.onResume();
    receiver = new WiFiDirectBroadcastReceiver(manager, channel, this);
    registerReceiver(receiver, intentFilter);
  }

  public void connect() {
    WifiP2pConfig config = new WifiP2pConfig();
    config.deviceAddress = ScreenMAC;
    config.wps.setup = WpsInfo.PBC;
    manager.connect(channel, config, new InfoActionListener("Connecting", "Connection Error", this));
  }

  public void sendIPAddress(InetAddress ownerAddr){
    ArrayList<String> params = new ArrayList<String>();
    params.add(ownerAddr.toString());
    params.add("ExpoConnect");
    new IPAddressSender(this).sendData(params);
  }

  @Override
  public void onChannelDisconnected() {
    if (manager != null && !retryChannel) {
      Toast.makeText(this, "Channel lost. Trying again", Toast.LENGTH_LONG).show();
      setRetryChannel(true);
      manager.initialize(this, getMainLooper(), this);
    } else {
      Toast.makeText(this, "Channel lost premanently. Try Disable/Re-Enable P2P.", Toast.LENGTH_LONG).show();
    }
  }

  public void restartWifiP2p() {
    try {
      CustomWifiP2pManager.turnOffP2P(channel, manager);
      CustomWifiP2pManager.turnOnP2P(channel, manager);
    } catch (CannotEnableWifiP2pException e) {
      manualP2pActivation();
    }
  }

  public void manualP2pActivation() {
    startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu items for use in the action bar
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.start, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle presses on the action bar items
    switch (item.getItemId()) {
    case R.id.menu_share:
      showMenu(findViewById(R.id.menu_share));;
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  public void showMenu(View v) {
    PopupMenu popup = new PopupMenu(this, v);
    MenuInflater inflater = popup.getMenuInflater();
    inflater.inflate(R.menu.actions, popup.getMenu());
    popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {

      @Override
      public boolean onMenuItemClick(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_item_qr:
          try {

            Intent intent = new Intent(
                "com.google.zxing.client.android.SCAN");
            intent.putExtra("SCAN_MODE", "QR_CODE_MODE,PRODUCT_MODE");
            startActivityForResult(intent, 0);

          } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            Toast.makeText(getApplicationContext(), "ERROR:" + e, 1).show();
            return false;

          }
          return true;
        case R.id.menu_item_demo:
          String data = "[{'id':1,'sex':'m','age':23},{'id':2,'sex':'f','age':60}]!0";
          Intent i = new Intent(getApplicationContext(), RestaurantListActivity.class);
          i.putExtra("Data", data);
          startActivity(i);
        default:
          return false;
        }
      }

    });
    popup.show();
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent intent) {
    if (requestCode == 0) {

      if (resultCode == RESULT_OK) {
        //ntent.getStringExtra("SCAN_RESULT_FORMAT");
        String data = intent.getStringExtra("SCAN_RESULT");
        Intent i = new Intent(this, RestaurantListActivity.class);
        i.putExtra("Data", data);
        this.startActivity(i);
      } else if (resultCode == RESULT_CANCELED) {
      }
    }
  }
}

Java Source Code List

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