Android Open Source - anokicert Device Selector Activity

From Project

Back to project page anokicert.
License

The source code is released under:
GNU General Public License
If you think the Android project anokicert listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package org.mariotaku.anokicert.activity;
//from  w  w  w.java  2 s  . c  om
import java.util.Set;

import org.mariotaku.anokicert.Constants;
import org.mariotaku.anokicert.R;
import org.mariotaku.anokicert.adapter.BluetoothDevicesListAdapter;
import org.mariotaku.anokicert.adapter.BluetoothDevicesListAdapter.SearchAgainAction;

import android.app.ListActivity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;

public class DeviceSelectorActivity extends ListActivity implements Constants {

  private BluetoothDevicesListAdapter mDevicesAdapter;
  private BluetoothAdapter mBluetoothAdapter;

  private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(final Context context, final Intent intent) {
      final String action = intent.getAction();
      // When discovery finds a device
      if (BluetoothDevice.ACTION_FOUND.equals(action) || BluetoothDevice.ACTION_NAME_CHANGED.equals(action)) {
        // Get the BluetoothDevice object from the Intent
        final BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        mDevicesAdapter.putDevice(device);
      } else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {
        mDevicesAdapter.setIsDiscovering(true);
      } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
        mDevicesAdapter.setIsDiscovering(false);
      } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) {
        final int state = mBluetoothAdapter.getState();
        if (state != BluetoothAdapter.STATE_ON && state != BluetoothAdapter.STATE_TURNING_ON) {
          DeviceSelectorActivity.this.setResult(RESULT_CANCELED);
          finish();
        }
      }
    }
  };

  protected void cancelDiscovery() {
    if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled() || !mBluetoothAdapter.isDiscovering()) return;
    mBluetoothAdapter.cancelDiscovery();
  }

  @Override
  protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.device_selector);
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
      finish();
      return;
    }
    mDevicesAdapter = new BluetoothDevicesListAdapter(this);
    setListAdapter(mDevicesAdapter);
    final Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices();
    for (final BluetoothDevice device : pairedDevices) {
      mDevicesAdapter.putDevice(device);
    }
  }

  @Override
  protected void onListItemClick(final ListView l, final View v, final int position, final long id) {
    final Object item = mDevicesAdapter.getItem(position);
    if (item instanceof BluetoothDevice) {
      final BluetoothDevice device = (BluetoothDevice) item;
      final Intent data = new Intent();
      data.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
      setResult(RESULT_OK, data);
    } else if (item instanceof SearchAgainAction) {
      startDiscovery();
      return;
    } else {
      setResult(RESULT_CANCELED);
    }
    finish();
  }

  @Override
  protected void onStart() {
    super.onStart();
    final IntentFilter filter = new IntentFilter();
    filter.addAction(BluetoothDevice.ACTION_FOUND);
    filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
    filter.addAction(BluetoothDevice.ACTION_NAME_CHANGED);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    registerReceiver(mReceiver, filter);
    startDiscovery();
  }

  @Override
  protected void onStop() {
    cancelDiscovery();
    unregisterReceiver(mReceiver);
    super.onStop();
  }

  protected void startDiscovery() {
    if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled() || mBluetoothAdapter.isDiscovering()) return;
    mBluetoothAdapter.startDiscovery();
  }

}
Java Source Code List
