Android Open Source - InitHub-Android Message Activity

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License

The source code is released under:
MIT License
If you think the Android project InitHub-Android 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.solutiosoft.android.inithub.ui;
/*w  ww. ja  v  a2s .c  o  m*/
import android.app.ListActivity;
import android.app.LoaderManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.CursorLoader;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.net.Uri.Builder;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;

import com.solutiosoft.android.inithub.Constants;
import com.solutiosoft.android.inithub.R;
import com.solutiosoft.android.inithub.dao.InitHubDatabaseManager;
import com.solutiosoft.android.inithub.provider.MessageProvider;
import com.solutiosoft.android.inithub.service.MessageIntentService;

public class MessageActivity extends ListActivity implements
LoaderManager.LoaderCallbacks<Cursor> {
    private static final String TAG = "MessageActivity";
    // private Cursor cursor;
    private SimpleCursorAdapter adapter;
    private long subject_id;

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

    IntentFilter logoutIntentFilter = new IntentFilter();
    logoutIntentFilter.addAction(Constants.LOGOUT_INTENT_FILTER);
      registerReceiver(mLogoutReceiver, logoutIntentFilter);  
      
    setContentView(R.layout.message_list);
    Intent i = getIntent();
    Bundle b = i.getExtras();
    subject_id = b.getLong(Constants.SUBJECT_ID);
    Intent intent = new Intent(this, MessageIntentService.class);
    Bundle bundle = new Bundle();
    bundle.putLong(Constants.SUBJECT_ID, subject_id);
    intent.putExtras(bundle);
      startService(intent);
      fillData(subject_id);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.activity_message, menu);
    return true;
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    
    switch (item.getItemId()) {
    case R.id.menu_message_add:
      Intent add_intent = new Intent(Constants.MESSAGE_ADD_ACTIVITY);
      Bundle add_bundle = new Bundle();
      add_bundle.putLong(Constants.SUBJECT_ID, subject_id);
      add_intent.putExtras(add_bundle);
      //finish();
      startActivity(add_intent);
        break;
    case R.id.menu_refresh:
      Toast.makeText(MessageActivity.this, R.string.message_refresh_message, Toast.LENGTH_LONG).show();
      Intent intent = new Intent(this, MessageIntentService.class);
      Bundle bundle = new Bundle();
      bundle.putLong(Constants.SUBJECT_ID, subject_id);
      intent.putExtras(bundle);
        startService(intent);
        break;
    case R.id.menu_settings:
      Intent menu_intent = new Intent(Constants.SETTING_ACTIVITY);
      //finish();
      startActivity(menu_intent);
      break;
      
    }
    
    return super.onOptionsItemSelected(item);
  }
  
  @Override
  public Loader<Cursor> onCreateLoader(int arg0, Bundle bundle) {
      String[] projection = { InitHubDatabaseManager.MESSAGE_ID,
          InitHubDatabaseManager.MESSAGE_COMMENT,
          InitHubDatabaseManager.MESSAGE_FIRST_NAME,
          InitHubDatabaseManager.MESSAGE_LAST_NAME,
          InitHubDatabaseManager.MESSAGE_CREATE_DATE};
      
      Uri.Builder builder;
      builder = new Builder();
      builder = MessageProvider.CONTENT_URI.buildUpon().appendQueryParameter(Constants.SUBJECT_ID, bundle.getString(Constants.SUBJECT_ID));
      Uri uri = builder.build();
      CursorLoader cursorLoader = new CursorLoader(this,
          uri, projection, null, null, null);
      return cursorLoader;
  }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    adapter.swapCursor(data);  
  }

  @Override
  public void onLoaderReset(Loader<Cursor> loader) {
    adapter.swapCursor(null);
    
  }
  
  private void fillData(long subjectId) {
    String subject_id = String.valueOf(subjectId);

    // Fields from the database (projection)
    // Must include the _id column for the adapter to work
    String[] from = new String[] { InitHubDatabaseManager.MESSAGE_COMMENT, 
        InitHubDatabaseManager.MESSAGE_FIRST_NAME, 
        InitHubDatabaseManager.MESSAGE_LAST_NAME, 
        InitHubDatabaseManager.MESSAGE_CREATE_DATE };
    // Fields on the UI to which we map
    int[] to = new int[] { R.id.message_label,
        R.id.message_first_name,
        R.id.message_last_name,
        R.id.message_create_date};
    Bundle b = new Bundle();
    b.putString("subject_id", subject_id);
    getLoaderManager().initLoader(0, b, this);
    
    // TODO this needs to change to message ref
    adapter = new SimpleCursorAdapter(this, R.layout.message_row, null, from,
      to, 0);

    setListAdapter(adapter);
  }
  
  @Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
    adapter.getCursor().close();
    unregisterReceiver(mLogoutReceiver);
  }
  
  private BroadcastReceiver mLogoutReceiver = new BroadcastReceiver() {
      @Override
      public void onReceive(Context context, Intent intent) {
        Log.d("onReceive","Logout in progress");
          //At this point you should start the login activity and finish this one
        finish();
      }
    };

}
Java Source Code List
