Android Open Source - spots Spot List Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.dcc.matc89.spots.activity;
//from  w w  w  .j  a va2 s  .c  o  m
import java.io.Serializable;
import java.util.List;

import android.annotation.TargetApi;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.app.NavUtils;
import android.support.v7.app.ActionBarActivity;
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.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;

import com.dcc.matc89.spots.R;
import com.dcc.matc89.spots.model.Group;
import com.dcc.matc89.spots.model.Spot;
import com.dcc.matc89.spots.network.FetchSpots;
import com.dcc.matc89.spots.network.FetchSpots.OnSpotsReceiver;

public class SpotListActivity extends ActionBarActivity {

  public static final String GROUP_KEY = "group_key";
  
  private TextView mTextEmpty;
  private View mProgressLoading;
  private ListView mListView;
  
  private Group mGroup;
  protected List<Spot> mSpots;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_spot_list);
    
    mTextEmpty = (TextView) findViewById(R.id.spot_list_empty);
    mProgressLoading = findViewById(R.id.pgs_spot);
    mListView = (ListView) findViewById(R.id.list);
    mListView.setOnItemClickListener(onItemClickListener);
    
    mGroup = (Group) getIntent().getSerializableExtra(GROUP_KEY);
    
    // Show the Up button in the action bar.
    setupActionBar();
    
    loadSpots();
  }

  private OnSpotsReceiver receiver = new OnSpotsReceiver() {
    @Override
    public void onSpotsReceived(List<Spot> result) {
      mProgressLoading.setVisibility(View.INVISIBLE);
      if(result == null || result.isEmpty())
        mTextEmpty.setVisibility(View.VISIBLE);
      else{
        ListAdapter adapter = new ArrayAdapter<Spot>(SpotListActivity.this, android.R.layout.simple_list_item_1, result);
        mListView.setAdapter(adapter);
      }
    }
  };
  
  /** This method have to load the users. This can takes as long as it need (ie. You can do network requests here). */
  private void loadSpots() {
    new FetchSpots().getSpots(receiver, mGroup.getId());
  }

  /**
   * Set up the {@link android.app.ActionBar}.
   */
  private void setupActionBar() {
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.spot_list, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      // This ID represents the Home or Up button. In the case of this
      // activity, the Up button is shown. Use NavUtils to allow users
      // to navigate up one level in the application structure. For
      // more details, see the Navigation pattern on Android Design:
      //
      // http://developer.android.com/design/patterns/navigation.html#up-vs-back
      //
      NavUtils.navigateUpFromSameTask(this);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  private OnItemClickListener onItemClickListener = new OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int position,
        long id) {
      // TODO Send user to SpotDetail activity
      Intent i = new Intent(SpotListActivity.this, SpotDetailActivity.class);
      i.putExtra(SpotDetailActivity.SPOT_KEY, (Serializable) adapterView.getAdapter().getItem(position));
      startActivity(i);
    }
  };
}

Java Source Code List

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