Android Open Source - BluetoothWifiRemote Scan Conn Activity

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From Project

Back to project page BluetoothWifiRemote.

License

The source code is released under:

GNU General Public License

Java Source Code

/* < BluetoothWifiRemote app (android touchpad for desktop - send files from android device to Desktop 
  - scroll slides in datashow presentation) - accross wifi and blutooth connection (tools: android / j2se).>
    Copyright (C) 2014 Askao(AhmedSaad)-Omar EzzElDien
/*from   www  . j a  va 2  s  .  c  o m*/
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */    

package delta.bluefi.remote;

import java.util.ArrayList;
import java.util.Set;

import android.app.Activity;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.Toast;

import com.bluefi.remote.R;

public class ScanConnActivity extends Activity implements OnItemClickListener {

  Button btnAvailableDevices;
  ImageButton btnBluetoothEnable, btnWiFiEnable;
  ListView listAvailableDevices;

  ArrayAdapter<String> listAdapter;
  ArrayList<String> pairedDevices;

  BluetoothAdapter bluetoothAdapter;
  Set<BluetoothDevice> devicesArray;
  IntentFilter filter;
  BroadcastReceiver receiver;
  
  final Context context = this;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scan_conn);

    init();
    initUI();
    // getPairedDevices();
    // startDiscovery();

    /*    if (bluetoothAdapter == null) {
      Toast.makeText(getApplicationContext(), "no bluetooth detected",
          Toast.LENGTH_LONG).show();
      finish();
    }    */
  }

  private void startDiscovery() {
    bluetoothAdapter.cancelDiscovery();
    bluetoothAdapter.startDiscovery();
  }

  private void getPairedDevices() {
    devicesArray = bluetoothAdapter.getBondedDevices();
    if (devicesArray.size() > 0) {
      for (BluetoothDevice device : devicesArray) {
        pairedDevices.add(device.getName());        
      }
    }
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    // TODO Auto-generated method stub
    super.onActivityResult(requestCode, resultCode, data);
    if (resultCode == RESULT_CANCELED) {
      Toast.makeText(getApplicationContext(),
          "Bluetooth must be enabled to continue", Toast.LENGTH_LONG)
          .show();
      finish();
    }
  }

  private void initUI() {
    btnBluetoothEnable.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        if (!bluetoothAdapter.isEnabled()) {
          turnOnBT();
        }
      }
    });

    btnAvailableDevices.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        listAdapter.clear();
        getPairedDevices();
        startDiscovery();
        listAvailableDevices.setAdapter(listAdapter);
      }
    });
    
    Button btn_touch_activity = (Button) findViewById(R.id.btn_touch_activity);
      btn_touch_activity.setOnClickListener(new View.OnClickListener() {      
        @Override
        public void onClick(View v) {
          LayoutInflater layoutInflater = LayoutInflater.from(context);
          View promptView = layoutInflater.inflate(R.layout.prompt_input, null);
          AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(context);
          // set prompts.xml to be the layout file of the alertdialog builder
          alertDialogBuilder.setView(promptView);
          final EditText input = (EditText) promptView.findViewById(R.id.userInput);    
          // setup a dialog window
          alertDialogBuilder
              .setCancelable(false)
              .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                      Intent i = new Intent("delta.bluefi.remote.TouchActivity");
                        Bundle extras = new Bundle();
                      extras.putString("IP", filterInput("" + input.getText()));
                      //---attach the Bundle object to the Intent object---
                        i.putExtras(extras);                
                        //---start the activity to get a result back---
                        startActivityForResult(i, 1);
                    }
                  })
              .setNegativeButton("Cancel",
                  new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog,  int id) {
                      dialog.cancel();
                      
                    }
                  });
          // create an alert dialog
          AlertDialog alertD = alertDialogBuilder.create();
          alertD.show();
        }
      });

      Button btn_send_file = (Button) findViewById(R.id.btn_send_file);
      btn_send_file.setOnClickListener(new View.OnClickListener() {      
        @Override
        public void onClick(View v) {
          LayoutInflater layoutInflater = LayoutInflater.from(context);
          View promptView = layoutInflater.inflate(R.layout.prompt_input, null);
          AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(context);
          // set prompts.xml to be the layout file of the alertdialog builder
          alertDialogBuilder.setView(promptView);
          final EditText input = (EditText) promptView.findViewById(R.id.userInput);    
          // setup a dialog window
          alertDialogBuilder
              .setCancelable(false)
              .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                      Intent i = new Intent("delta.bluefi.remote.DirectoryActivity");
                        Bundle extras = new Bundle();
                      extras.putString("IP", filterInput("" + input.getText()));
                      //---attach the Bundle object to the Intent object---
                        i.putExtras(extras);                
                        //---start the activity to get a result back---
                        startActivityForResult(i, 1);
                    }
                  })
              .setNegativeButton("Cancel",
                  new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog,  int id) {
                      dialog.cancel();
                      
                    }
                  });
          // create an alert dialog
          AlertDialog alertD = alertDialogBuilder.create();
          alertD.show();
        }
      });

      
  }

  protected void turnOnBT() {
    Intent i = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
    startActivityForResult(i, 1);
  }

  private void init() {
    btnBluetoothEnable = (ImageButton) findViewById(R.id.btn_bluetooth_enable);
    btnWiFiEnable = (ImageButton) findViewById(R.id.btn_wifi_enable);

    btnAvailableDevices = (Button) findViewById(R.id.btn_available_devices);

    listAvailableDevices = (ListView) findViewById(R.id.list_available_devices);

    listAvailableDevices.setOnItemClickListener(this);

    listAdapter = new ArrayAdapter<String>(getApplicationContext(),
        android.R.layout.simple_list_item_1, 0);
    listAvailableDevices.setAdapter(listAdapter);

    bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    pairedDevices = new ArrayList<String>();
    filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
    receiver = new BroadcastReceiver() {

      @Override
      public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (BluetoothDevice.ACTION_FOUND.equals(action)) {
          BluetoothDevice device = intent
              .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
          // check paired devices ************************
          boolean ispaired = false;
          for(int i=0;i<pairedDevices.size(); i++){
            if(pairedDevices.get(i).equals(device.getName()))
              ispaired = true;
          }
          if(ispaired == true)
            listAdapter.add(device.getName() + "\n" + device.getAddress() + "\t\t\t\t\t\t\t\t" + "paired");
          else
            listAdapter.add(device.getName() + "\n" + device.getAddress());
          // ******************************************************
        } else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED
            .equals(action)) {
          // run some fuckin code
        } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED
            .equals(action)) {
          // run some fuckin code
        } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) {
          if (bluetoothAdapter.getState() == bluetoothAdapter.STATE_OFF) {
            turnOnBT();
          }
        }
      }
    };

    registerReceiver(receiver, filter);
    filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
    registerReceiver(receiver, filter);
    filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    registerReceiver(receiver, filter);
    filter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED);
    registerReceiver(receiver, filter);

  }

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

  @Override
  public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
    // TODO Auto-generated method stub

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // TODO Auto-generated method stub
    super.onCreateOptionsMenu(menu);
    createMenu(menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // TODO Auto-generated method stub
    return menuChoice(item);
  }

  private boolean menuChoice(MenuItem item) {
    switch (item.getItemId()) {
    case 0:
      if (bluetoothAdapter.isEnabled()) {
        bluetoothAdapter.disable();
      }
      return true;
    case 1:
      Toast.makeText(this,
          "WiFi has not been\nprogrammed in beta version",
          Toast.LENGTH_LONG).show();
      return true;
    }
    return false;

  }

  private void createMenu(Menu menu) {
    MenuItem mnu1 = menu.add(0, 0, 0, "Disable Bluetooth");
    {
      mnu1.setIcon(R.drawable.offbluetooth);
      mnu1.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
    }
    MenuItem mnu2 = menu.add(0, 1, 1, "Disable WiFi");
    {
      mnu2.setIcon(R.drawable.offwifi);
      mnu2.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
    }

  }
  
  //******************* Filter Input ***************************************  
    public String filterInput(String input){
      String filterInput = "";
      String regx = "\\\"\'<>:;=";
        char[] ca = regx.toCharArray();
        for (char c : ca) {
            input = input.replace(""+c, "");
        }
      filterInput = input;
      return filterInput;
    }
  // ***********************************************************************

}

Java Source Code List

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