Android Open Source - metawear-antifitness Main Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

package za.co.paulscott.antifitness;
//from w ww.ja va 2 s .co m
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.http.Header;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import za.co.paulscott.adapters.InteractiveArrayAdapter;
import za.co.paulscott.models.DStvHighlights;
import za.co.paulscott.networkhelpers.URLFetcherAsync;
import no.nordicsemi.android.nrftoolbox.AppHelpFragment;
import no.nordicsemi.android.nrftoolbox.dfu.DfuActivity;
import no.nordicsemi.android.nrftoolbox.scanner.ScannerFragment;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.Toast;

import com.loopj.android.http.AsyncHttpResponseHandler;
import com.mbientlab.metawear.api.MetaWearBLEService;
import com.mbientlab.metawear.api.MetaWearController;

public class MainActivity extends FragmentActivity implements
    DeviceInfoFragment.Callbacks, ScannerFragment.OnDeviceSelectedListener,
    ServiceConnection {

  private static final String TAG = "MainActivity";
  List<DStvHighlights> list = new ArrayList<DStvHighlights>();

  private ListView lvMovies;
  private InteractiveArrayAdapter adapterMovies;
  public static final String EXTRA_BLE_DEVICE = "com.mbientlab.metawear.app.ModuleActivity.EXTRA_BLE_DEVICE";
  protected static final String ARG_ITEM_ID = "item_id";

  private static final int DFU = 0;
  private static final int REQUEST_ENABLE_BT = 1;
  protected static BluetoothDevice device;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    if (!bluetoothManager.getAdapter().isEnabled()) {
      final Intent enableIntent = new Intent(
          BluetoothAdapter.ACTION_REQUEST_ENABLE);
      startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
    }
    lvMovies = (ListView) findViewById(R.id.lvMovies);
    ArrayList<DStvHighlights> aMovies = new ArrayList<DStvHighlights>();
    adapterMovies = new InteractiveArrayAdapter(this, aMovies);
    lvMovies.setAdapter(adapterMovies);

    getDstvHighlights();
  }

  private void getDstvHighlights() {
    URLFetcherAsync client = new URLFetcherAsync();
    client.initCookies(getApplicationContext());
    client.get("1", null, new AsyncHttpResponseHandler() {

      @Override
      public void onSuccess(int statusCode, Header[] headers,
          byte[] responseBody) {
        try {
          String str = new String(responseBody, "UTF-8");
          Document doc = Jsoup.parse(str);
          Elements items = doc.select("#ui-news");

          Elements divs = items.select("div.ui-item");
          Log.i(TAG, String.valueOf(divs.size()));
          for (Element div : divs) {
            Elements titleattr = div.select("h2.ui-title");
            String title = titleattr.text();

            Elements contentattr = div.select("div.ui-contents");
            Elements details = contentattr.select("p.ui-details");
            Elements image = details.select("img.ui-thumb");
            String img = image.attr("src");

            Elements authorattr = div.select("span.ui-author");
            String author = authorattr.text();

            Elements timeattr = div.select("span.ui-time");
            String showtime = timeattr.text();

            DStvHighlights hl = new DStvHighlights(title, showtime,
                img, author);
            adapterMovies.add(hl);
          }
        } catch (UnsupportedEncodingException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }

      }

      @Override
      public void onFinish() {
        Log.i(TAG, "All done");
      }

      @Override
      public void onFailure(int arg0, Header[] arg1, byte[] arg2,
          Throwable arg3) {
        // TODO Auto-generated method stub

      }
    });
  }

  @Override
  public void onServiceConnected(ComponentName name, IBinder service) {
    mwService = ((MetaWearBLEService.LocalBinder) service).getService();
    mwController = mwService.getMetaWearController();
    mwController
        .addDeviceCallback(new MetaWearController.DeviceCallbacks() {
          @Override
          public void connected() {
            invalidateOptionsMenu();
          }

          @Override
          public void disconnected() {
            invalidateOptionsMenu();
            if (device != null) {
              mwService.reconnect();
            }
          }
        });
  }

  /*
   * (non-Javadoc)
   * 
   * @see
   * android.content.ServiceConnection#onServiceDisconnected(android.content
   * .ComponentName)
   */
  @Override
  public void onServiceDisconnected(ComponentName name) {
    // TODO Auto-generated method stub

  }

  @Override
  public void onDeviceSelected(BluetoothDevice device, String name) {
    ModuleActivity.device = device;
    try {
    mwService.connect(ModuleActivity.device);
    } catch(NullPointerException e) {
      Toast.makeText(this, "You have not selected a MetaWear device. Sorry, can't connect!", Toast.LENGTH_SHORT).show();
    }
  }

  @Override
  public void onDialogCanceled() {
    // TODO Auto-generated method stub

  }

  @Override
  public void startDfu() {
    final Intent dfu = new Intent(this, DfuActivity.class);
    dfu.putExtra(EXTRA_BLE_DEVICE, device);
    startActivityForResult(dfu, DFU);
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
    case DFU:
      device = data.getParcelableExtra(EXTRA_BLE_DEVICE);
      if (device != null) {
        mwService.connect(device);
      }
      break;
    case REQUEST_ENABLE_BT:
      if (resultCode == Activity.RESULT_CANCELED) {
        finish();
      }
      break;
    }
    super.onActivityResult(requestCode, resultCode, data);
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    getApplicationContext().unbindService(this);
  }

  private final BroadcastReceiver metaWearUpdateReceiver = MetaWearBLEService
      .getMetaWearBroadcastReceiver();
  private MetaWearBLEService mwService;
  private MetaWearController mwController;
  protected ModuleFragment moduleFragment;
  protected static HashMap<String, Fragment.SavedState> fragStates = new HashMap<>();

  @Override
  protected void onResume() {
    super.onResume();
    registerReceiver(metaWearUpdateReceiver,
        MetaWearBLEService.getMetaWearIntentFilter());
  }

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.ble_connect:
      final FragmentManager fm = getSupportFragmentManager();
      final ScannerFragment dialog = ScannerFragment.getInstance(
          MainActivity.this, null, true);
      dialog.show(fm, "scan_fragment");
      break;
    case R.id.ble_disconnect:
      device = null;
      mwService.close(true);
      break;
    case R.id.action_about:
      final AppHelpFragment fragment = AppHelpFragment
          .getInstance(R.string.mw_about_text);
      fragment.show(getSupportFragmentManager(), "help_fragment");
      break;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public boolean onCreateOptionsMenu(final Menu menu) {
    getMenuInflater().inflate(R.menu.bledevice, menu);
    try {
      if (mwController.isConnected()) {
        menu.findItem(R.id.ble_connect).setVisible(false);
        menu.findItem(R.id.ble_disconnect).setVisible(true);
      } else {
        menu.findItem(R.id.ble_connect).setVisible(true);
        menu.findItem(R.id.ble_disconnect).setVisible(false);
      }
    } catch (NullPointerException e) {
      e.printStackTrace();
      menu.findItem(R.id.ble_connect).setVisible(true);
      menu.findItem(R.id.ble_disconnect).setVisible(false);
    }
    return true;
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    if (device != null) {
      outState.putParcelable(EXTRA_BLE_DEVICE, device);
    }
    if (moduleFragment != null) {
      getSupportFragmentManager().putFragment(outState, "mContent",
          moduleFragment);
    }
  }

}
Java Source Code List
