Android Open Source - ShowTracker Show List Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.rolandmai.showtracker;
/* w  w  w .  java2 s .  c  o m*/
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.opengl.Visibility;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.AdapterView;
import android.widget.TextView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

public class ShowListActivity extends Activity {
  DatabaseHandler dbh;
  List<Show> shows;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.show_list);
    dbh = new DatabaseHandler(this);
    setListContent();

    ListView lv = (ListView) findViewById(R.id.listView1);
    lv.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view,
          int position, long id) {
        Show show = shows.get(position);
        Intent intent = new Intent(getApplicationContext(),
            ShowActivity.class);
        intent.putExtra("showID", Integer.toString(show.getID()));
        startActivity(intent);
      }
    });
    lv.setOnCreateContextMenuListener(this);
  }

  @Override
  public void onWindowFocusChanged(boolean hasFocus) {
    if (hasFocus && !getApplicationContext().equals(ShowListActivity.class)) {
      setListContent();
    }
  }

  @Override
  public boolean onCreateOptionsMenu(android.view.Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.menu_main, menu);
    return true;
  }

  @Override
  public void onCreateContextMenu(ContextMenu menu, View v,
      ContextMenuInfo menuInfo) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.show_context_menu, menu);
  }

  @Override
  public boolean onContextItemSelected(android.view.MenuItem item) {
    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
    int itemId = item.getItemId(); 
    switch (itemId) {
      case R.id.cmShowEdit:
        editShow(info.position);
        return true;
      case R.id.cmShowDelete:
        deleteShow(info.position);
        return true;
      case R.id.cmShowCancel:
        return true;
      default:
        return super.onContextItemSelected(item);
    }
  }

  private void deleteShow(final int position) {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage("Are you sure you want to delete this show?")
      .setCancelable(true)
      .setPositiveButton("Yes, delete it.", new OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
          doDeleteShow(position);
        }
      })
      .setNegativeButton("No", new OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
          
        }
      });
    AlertDialog alert = builder.create();
      alert.show();
  }
  
  private void doDeleteShow(int position)
  {
    DatabaseHandler dbh = new DatabaseHandler(this);
    Show show = shows.get(position);
    dbh.deleteShow(show);
  }

  @Override
  public boolean onOptionsItemSelected(android.view.MenuItem item) {
    switch (item.getItemId()) {
    case R.id.optMenuAdd:
      Intent intent = new Intent(getApplicationContext(),
          ShowAddActivity.class);
      startActivity(intent);
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  private void setListContent() {
    shows = dbh.getAllShows();

    ShowListAdapter adapter = new ShowListAdapter(this, shows);
    ((ListView) findViewById(R.id.listView1)).setAdapter(adapter);
    
    TextView txtNoShows = ((TextView)findViewById(R.id.txtNoShows));
    if(shows.size() == 0)
      txtNoShows.setVisibility(View.VISIBLE);
    else
      txtNoShows.setVisibility(View.GONE);
  }

  private void editShow(int position) {
    Show show = shows.get(position);
    Intent intent = new Intent(getApplicationContext(), ShowEditActivity.class);
    intent.putExtra("showID", Integer.toString(show.getID()));
    startActivity(intent);
  }
}

Java Source Code List

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