Android Open Source - Tekdaqc-Android-Manager Devices List Fragment

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Back to project page Tekdaqc-Android-Manager.

License

The source code is released under:

Apache License

Java Source Code

package com.toxicbakery.android.tekdaqc.fragments;
//from  w ww  . j  a  v  a 2  s.com
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

import com.tenkiv.tekdaqc.ATekDAQC;
import com.tenkiv.tekdaqc.BoardDiscoveredReceiver;
import com.tenkiv.tekdaqc.DiscoveryService;
import com.tenkiv.tekdaqc.DiscoveryService.ServiceAction;
import com.tenkiv.tekdaqc.LocatorParams;
import com.tenkiv.tekdaqc.TekCast;
import com.tenkiv.tekdaqc.peripherals.analog.AAnalogInput;
import com.toxicbakery.android.tekdaqc.R;
import com.toxicbakery.android.tekdaqc.fragments.adapters.DeviceListAdapter;
import com.toxicbakery.android.tekdaqc.utils.TekLog;

public class DevicesListFragment extends ABaseFragment implements OnItemClickListener {

  private static final String TAG = DevicesListFragment.class.getSimpleName() + ".TAG";

  private static final String KEY_DISCOVERED_BOARDS = "KEY_DISCOVERED_BOARDS";

  private final List<ATekDAQC<? extends AAnalogInput>> mBoards;

  private DeviceListAdapter mAdapter;

  public DevicesListFragment() {
    mBoards = Collections
        .synchronizedList(new ArrayList<ATekDAQC<? extends AAnalogInput>>());
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);

    if (!(activity instanceof OnDeviceSelected))
      throw new IllegalStateException("Activity must implement " + OnDeviceSelected.class.getSimpleName());
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setHasOptionsMenu(true);

    mAdapter = new DeviceListAdapter(getActivity().getLayoutInflater(), mBoards);
  }

  @SuppressWarnings("unchecked")
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    if (savedInstanceState == null) {
      refreshDeviceList();
    } else {
      mBoards.addAll((Collection<? extends ATekDAQC<? extends AAnalogInput>>) savedInstanceState
          .getSerializable(KEY_DISCOVERED_BOARDS));
    }

    final ListView listView = new ListView(getActivity());
    listView.setAdapter(mAdapter);
    listView.setOnItemClickListener(this);

    return listView;
  }

  @Override
  public void onResume() {
    super.onResume();

    getActivity().registerReceiver(mSearchReceiver, new IntentFilter(TekCast.ACTION_FOUND_BOARD));
  }

  @Override
  public void onPause() {
    super.onPause();

    getActivity().unregisterReceiver(mSearchReceiver);
  }

  @Override
  public String getFragmentTag() {
    return TAG;
  }

  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    super.onCreateOptionsMenu(menu, inflater);

    inflater.inflate(R.menu.menu_device_list, menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.menu_device_list_refresh:
      refreshDeviceList();
      return true;
    }

    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);

    outState.putSerializable(KEY_DISCOVERED_BOARDS, (Serializable) mBoards);
  }

  @Override
  public void onItemClick(AdapterView<?> adapter, View view, int pos, long id) {
    getTekActivity().onDeviceSelected(mBoards.get(pos));
  }

  private final void refreshDeviceList() {
    mBoards.clear();
    mAdapter.notifyDataSetChanged();

    final LocatorParams.Builder builder = new LocatorParams.Builder();
    builder.setType(68);
    builder.setFirmware("0.6.0.0");

    final Intent intent = new Intent(getActivity(), DiscoveryService.class);
    intent.setAction(ServiceAction.SEARCH.toString());
    intent.putExtra(TekCast.EXTRA_LOCATOR_PARAMS, builder.build());
    getActivity().startService(intent);
  }

  private final BoardDiscoveredReceiver mSearchReceiver = new BoardDiscoveredReceiver() {

    @Override
    protected void onSearchResult(ATekDAQC<? extends AAnalogInput> board) {
      TekLog.d("Found Board: " + board.getHostIP());
      mBoards.add(board);
      mAdapter.notifyDataSetChanged();
    }

  };

  public static interface OnDeviceSelected {

    /**
     * Called when a board is selected from the {@link DevicesListFragment}.
     * 
     * @param board
     */
    public void onDeviceSelected(ATekDAQC<? extends AAnalogInput> board);

  }

}

Java Source Code List

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