Android Open Source - spots User List Activity

From Project

Back to project page spots.
License

The source code is released under:
MIT License
If you think the Android project spots 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 com.dcc.matc89.spots.activity;
//from   www .j  a  va2 s  .c o  m
import java.io.Serializable;
import java.util.List;

import android.content.Intent;
import android.os.Bundle;
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.User;
import com.dcc.matc89.spots.network.FetchUsers;
import com.dcc.matc89.spots.network.FetchUsers.OnUsersReceiver;

public class UserListActivity extends ActionBarActivity {

  public static final String GROUP_KEY = "group_key";
  
  private TextView mTextEmpty;
  private View mProgressLoading;
  private ListView mListView;
  
  private Group mGroup;


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

  private OnUsersReceiver onUsersReceiver = new OnUsersReceiver() {
    @Override
    public void onUsersReceived(List<User> users) {
      showUsers(users);
    }
  };
  
  private void loadUsers() {
    new FetchUsers().getUsers(onUsersReceiver, mGroup.getId());
  }

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

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.user_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 void showUsers(List<User> result) {
    mProgressLoading.setVisibility(View.INVISIBLE);
    if(result == null || result.isEmpty())
      mTextEmpty.setVisibility(View.VISIBLE);
    else{
      mTextEmpty.setVisibility(View.INVISIBLE);
      ListAdapter adapter = new ArrayAdapter<User>(UserListActivity.this, android.R.layout.simple_list_item_1, result);
      mListView.setAdapter(adapter);
    }
  }

  private OnItemClickListener onItemClickListener = new OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int position,
        long id) {
      Intent i = new Intent(UserListActivity.this, UserDetailActivity.class);
      i.putExtra(UserDetailActivity.USER_KEY, (Serializable) adapterView.getAdapter().getItem(position));
      startActivity(i);
    }
  };
}
Java Source Code List
