Android Open Source - spotdroid Activity Index Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.spotdroid.mobile.android.gui;
/*ww  w  .  j  av  a 2s .  c om*/
import java.sql.SQLException;
import java.util.List;

import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;

import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.android.apptools.OrmLiteBaseActivity;
import com.j256.ormlite.dao.Dao;
import com.spotdroid.mobile.android.R;
import com.spotdroid.mobile.android.data.DatabaseHelper;
import com.spotdroid.mobile.android.data.LocationData;

/**
 * Used to show the activity index in table layout. 
 * The data will be loaded from the internal database. 
 */
public class ActivityIndexActivity extends OrmLiteBaseActivity<DatabaseHelper> {

  /** Tag for log tracking. */
  private static final String TAG = ActivityIndexActivity.class.getSimpleName();

  private TableLayout table;

  /** initialize database helper class */
  static {
    OpenHelperManager.setOpenHelperClass(DatabaseHelper.class);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // set layout
    setContentView(R.layout.activity_index);
    // set table
    table = (TableLayout) findViewById(R.id.layout_activity_index);

  }

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

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

    // load data
    loadIndex();
  }

  /**
   * create dynamic table layout and fill it with data of activity index.
   */
  private void loadIndex() {

    // get dao
    Dao<LocationData, Integer> locationDao = null;

    int index = 1;
    int left = 3, top = 3, right = 3, bottom = 3;

    // first clean the table except first row
    table.removeViews(index, (table.getChildCount()-1));

    // query for all of the data objects in the database
    List<LocationData> list;
    try {
      locationDao = getHelper().getLocationDao();
      list = locationDao.queryForAll();
      for (LocationData data : list) {

        TableRow row = new TableRow(this);

        TextView viewID = new TextView(this);
        viewID.setPadding(left, top, right, bottom);
        viewID.setText(data.getId().toString());
        row.addView(viewID);

        TextView viewLongitude = new TextView(this);
        viewLongitude.setPadding(left, top, right, bottom);
        viewLongitude.setText(String.valueOf(data.getLongitude()));
        row.addView(viewLongitude);

        TextView viewLatitude = new TextView(this);
        viewLatitude.setPadding(left, top, right, bottom);
        viewLatitude.setText(String.valueOf(data.getLatitude()));
        row.addView(viewLatitude);

        TextView viewTimestamp = new TextView(this);
        viewTimestamp.setPadding(left, top, right, bottom);
        viewTimestamp.setText(data.getTimestamp().toLocaleString());
        row.addView(viewTimestamp);

        table.addView(row, index);
        index++;

      }
    } catch (SQLException e) {
      Log.e(TAG, "Could not read data");
      e.printStackTrace();
    } finally {

    }

  }

  /*
   * (non-Javadoc)
   * 
   * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
   */
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.activity_index_optionmenu, menu);
    return super.onCreateOptionsMenu(menu);
  }

  /*
   * (non-Javadoc)
   * 
   * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
   */
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.opt_refresh_index:
      //refresh the view
      onResume();
      break;
    }
    return super.onOptionsItemSelected(item);
  }

}

Java Source Code List

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