Android Open Source - GroupGoal Invite 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 va 2 s.co m*/
import java.util.ArrayList;
import java.util.List;

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

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class InviteActivity extends Activity {
  
  private static class ViewHolder {
    TextView friendName;
      CheckBox inviteBox;
  }
  
  private ViewHolder viewHolder;
  private GoalPost goal;
  private String parseId;
  private String ownerName;
  private List<String> toInvite;
  
  private ListView friendsList;
  private Button sendInvite;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_invite);
    
    Intent intent = getIntent();
    parseId = intent.getStringExtra("goal_id");
    ownerName = intent.getStringExtra("goal_owner");
    
    try {
      goal = ParseQuery.getQuery(GoalPost.class).get(parseId);
    } catch (com.parse.ParseException e) {
       Log.e("Goal Error", e.getMessage());
    }
    
    @SuppressWarnings("unchecked")
    List<String> userIds = (List<String>) ParseUser.getCurrentUser().get("friendsList");
    if(userIds == null) {
      userIds = new ArrayList<String>();
    }
    FriendAdapter fa = new FriendAdapter(this, userIds);
    
    friendsList = (ListView) findViewById(R.id.invite_listview);
    sendInvite = (Button) findViewById(R.id.invite_friends_button);
    if(userIds.isEmpty())
      sendInvite.setText("No friends to invite");
    
    friendsList.setAdapter(fa);
    sendInvite.setOnClickListener(new OnClickListener() {

      @SuppressWarnings("unchecked")
      @Override
      public void onClick(View v) {
        if(toInvite != null && !toInvite.isEmpty()) {
          for(String id : toInvite) {
            try {
              ParseUser user = ParseQuery.getQuery(ParseUser.class)
                  .get(id);
              List<String> ig = (List<String>) user.get("invitedGoals");
              String userId = ParseUser.getCurrentUser().getObjectId();
              boolean contained = false;
              for(String invite : toInvite) {
                if(id == invite.split("\\^")[0]) {
                  contained = true;
                }
              }
              
              if(!contained) {
                ig.add(id + "^" + userId);
              }
              
              user.put("invitedGoals",ig);
              user.saveEventually();
            } catch (com.parse.ParseException e) {
                 Log.e("Invite Error", e.getMessage());
            }
          }
        
          Toast.makeText(InviteActivity.this, "Friends successfully invited!", Toast.LENGTH_LONG)
            .show();
        }
        Intent intent = new Intent(InviteActivity.this, ViewGoal.class)
          .putExtra("goal_id", parseId)
          .putExtra("goal_owner", ownerName);
        
        startActivity(intent);
        
      }
      
    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.invite, menu);
      getActionBar().setDisplayShowTitleEnabled(false);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    Intent intent = new Intent(InviteActivity.this, ViewGoal.class)
      .putExtra("goal_id", parseId)
      .putExtra("goal_owner", ownerName);
  
    startActivity(intent);
    return true;
  }
  
  private class FriendAdapter extends ArrayAdapter<String> {
    
    private Context mContext;
    private List<String> userIds;
    private ParseUser queriedUser;

    public FriendAdapter(Context context, List<String> friends) {
      super(context, R.layout.friend_item, friends);
      
        this.mContext = context;
        this.userIds = friends;
    }
    
    @Override
    public int getCount() {
      return userIds.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.friendName = (TextView) convertView.findViewById(R.id.friend_list_item);
            viewHolder.inviteBox = (CheckBox) convertView.findViewById(R.id.invite_friend_checkbox);
            convertView.setTag(viewHolder);
          } else {
            viewHolder = (ViewHolder) convertView.getTag();
          }
         
          final String id = userIds.get(position);
          
          try {
            queriedUser = ParseQuery.getQuery(ParseUser.class).get(id);
          } catch (com.parse.ParseException e) {
          Log.e("Goal Error", e.getMessage());
        }
          
          String[] firstLast = queriedUser.get("fullName").toString().split("\\^");
            viewHolder.friendName.setText(firstLast[0] + " " + firstLast[1]);
           
      
      
          convertView.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View view) {
                  if(!viewHolder.inviteBox.isChecked()) {
                    viewHolder.inviteBox.setChecked(!viewHolder.inviteBox.isChecked());
                    if(toInvite == null) {
                      toInvite = new ArrayList<String>();
                    }
                    toInvite.add(id);
                  } else {
                    viewHolder.inviteBox.setChecked(!viewHolder.inviteBox.isChecked());
                    toInvite.remove(id);
                  }                  
                }
          });
          
          
    
          return convertView;
      }
    
  }
}

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