Android Open Source - GroupGoal Notifications Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.cs121.groupgoal;
//from  w w  w. j  a  va2  s  . c om
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import com.parse.ParseQuery;
import com.parse.ParseUser;

/**
 * This class contains the code necessary to receive notifications when you are invited to a goal or added as
 * a friend by someone else.
 * Does not currently work because of backend limitations, but when those limitations are removed,
 * code is here for use. 
 *
 */
public class NotificationsActivity extends Activity {
  
  private static class ViewHolder {
    TextView goalName;
  }
  
  private ViewHolder viewHolder;
  private GoalPost goal;
  
  private List<String> notifications;
  private ListView notificationsList;

  @SuppressWarnings("unchecked")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_notifications);
    
    notifications = (List<String>) ParseUser.getCurrentUser().get("invitedGoals");
    if(notifications == null || notifications.isEmpty()) {
      TextView textView = (TextView) findViewById(R.id.notifications_text);
      textView.setText("No Notifications");
    } else {
      notificationsList = (ListView) findViewById(R.id.notification_listview);
      notificationsList.setAdapter(new NotificationsAdapter(this, notifications));
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
      getActionBar().setDisplayShowTitleEnabled(false);
      
      menu.findItem(R.id.action_logout).setOnMenuItemClickListener(new OnMenuItemClickListener() {
        public boolean onMenuItemClick(MenuItem item) {
            // Call the Parse log out method
                ParseUser.logOut();
                // Start and intent for the dispatch activity
                Intent intent = new Intent(NotificationsActivity.this, DispatchActivity.class);
                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
                startActivity(intent);
              return true;
            }
        });
      menu.findItem(R.id.action_post).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
                  Intent intent = new Intent(NotificationsActivity.this, PostActivity.class);
                  
                  startActivity(intent);
                  return true;
              }
         });

          menu.findItem(R.id.action_my_profile).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
                Intent amp = new Intent(NotificationsActivity.this, UserProfileActivity.class);
                startActivity(amp);
                return true;
              }
        });
          
          menu.findItem(R.id.action_my_friends).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
              Intent amp = new Intent(NotificationsActivity.this, MyFriendsActivity.class);
              startActivity(amp);
              return true;
            }
          });
          
          menu.findItem(R.id.action_upcoming_goals).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
            Intent amp = new Intent(NotificationsActivity.this, UpcomingGoalsActivity.class);
              startActivity(amp);
              return true;
            }
          });
          
          menu.findItem(R.id.action_notifications).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
              Intent amp = new Intent(NotificationsActivity.this, NotificationsActivity.class);
              startActivity(amp);
              return true;
            }
          });
          
          menu.findItem(R.id.action_home).setOnMenuItemClickListener(new OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
              Intent amp = new Intent(NotificationsActivity.this, MainActivity.class);
              startActivity(amp);
              return true;
            }
          });

    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  private class NotificationsAdapter extends ArrayAdapter<String> {
    
    private Context mContext;
    private List<String> goalUserIds;
    private GoalPost queriedGoal;
    private ParseUser queriedUser;

    public NotificationsAdapter(Context context, List<String> goals) {
      super(context, R.layout.notification_item, goals);
      
        this.mContext = context;
        this.goalUserIds = goals;
    }
    
    @Override
    public int getCount() {
      return goalUserIds.size();
    }
      
    public View getView(int position, View convertView, ViewGroup parent) {
        
          if(convertView == null){
            viewHolder = new ViewHolder();
              LayoutInflater mLayoutInflater = LayoutInflater.from(mContext);
              convertView = mLayoutInflater.inflate(R.layout.friend_item, null);
              viewHolder.goalName = (TextView) convertView.findViewById(R.id.notification_list_item);
            convertView.setTag(viewHolder);
          } else {
            viewHolder = (ViewHolder) convertView.getTag();
          }
         
          final String[] id = goalUserIds.get(position).split("\\^");
        final String goalId = id[0];
        final String userId = id[1];
          try {
            queriedGoal = ParseQuery.getQuery(GoalPost.class).get(goalId);
          } catch (com.parse.ParseException e) {
          Log.e("Goal Error", e.getMessage());
        }
          
          try {
            queriedUser = ParseQuery.getQuery(ParseUser.class).get(userId);
          } catch (com.parse.ParseException e) {
          Log.e("User Error", e.getMessage());
        }
          String name = queriedUser.get("fullName").toString().split("\\^")[0] + " " + 
              queriedUser.get("fullName").toString().split("\\^")[1];
          String text = name + " invited you to " + goal.getName();
          viewHolder.goalName.setText(text);
          convertView.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View view) {
                  Intent intent = new Intent(NotificationsActivity.this, ViewGoal.class)
                    .putExtra("goal_id", goalId);
                  startActivity(intent);
                }
          });

          return convertView;
      }
    
  }
}

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