Android Open Source - android-sms-relay Message List Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.nyaruka.androidrelay;
/*w  w w  .j  a  va  2 s.  com*/
import java.util.List;
import java.util.Vector;

import com.nyaruka.androidrelay.data.TextMessage;

import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.ListFragment;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class MessageListFragment extends ListFragment {
  public static final String TAG = AndroidRelay.TAG;
  
  private TextMessageAdapter m_adapter;
  private static Vector<TextMessage> s_updateMessages = new Vector<TextMessage>();
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle){
    View view = inflater.inflate(R.layout.message_list, container);
    
    TelephonyManager tManager =(TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE);
    
    TextView tv = (TextView) view.findViewById(R.id.phone_number);
    tv.setText(tManager.getLine1Number());
    
    return view;
  }
  
  @Override
  public void onActivityCreated(Bundle savedState) {
    super.onActivityCreated(savedState);
    
    //View view = super.onCreateView(inflater, container, savedInstanceState);
    List<TextMessage> msgs = AndroidRelay.getHelper(getActivity()).getAllMessages();
    m_adapter = new TextMessageAdapter(getActivity(), R.layout.message, msgs);
  
    setListAdapter(m_adapter);
    ListView lv = getListView();
    lv.setBackgroundColor(Color.WHITE);
    lv.setCacheColorHint(Color.WHITE);
  }
  
  private Handler m_clearHandler = new Handler() {
        public void handleMessage(Message msg) {
          m_adapter.clear();
        }
    };
    
    public void clearMessages(){
      m_clearHandler.sendMessage(new Message());
    }
    
    private Handler m_updateHandler = new Handler() {
        public void handleMessage(Message msg) {
          if (msg == null){ return; }
           
           try{
             while (s_updateMessages.size() > 0){
               TextMessage textMessage = s_updateMessages.remove(0);
            
               int pos = m_adapter.getPosition(textMessage);
               if (pos >= 0){
                 m_adapter.remove(textMessage); 
               } else {
                 pos = 0;
               }
               m_adapter.insert(textMessage, pos);
               while (m_adapter.getCount() > 100){
                 m_adapter.remove(m_adapter.getItem(100));
               }
           
               m_adapter.notifyDataSetChanged();
             }
           } catch (Throwable t){
             Log.d(TAG, "Error updating UI", t);
           }
         }
    };
    
    public void updateMessage(TextMessage textMessage){
      Message msg = new Message();
      s_updateMessages.add(textMessage);
      m_updateHandler.sendMessage(msg);
    }

  static int SUCCESS = Color.rgb(38,183,12);
  static int ERROR = Color.rgb(210, 0, 0);
    
  private class TextMessageAdapter extends ArrayAdapter<TextMessage> {
    private List<TextMessage> objects = null;

    public TextMessageAdapter(Context context, int textviewid, List<TextMessage> objects) {
      super(context, textviewid, objects);
      this.objects = objects;
    }

    @Override
    public int getCount() {
      return ((null != objects) ? objects.size() : 0);
    }

    @Override
    public long getItemId(int position) {
      return position;
    }

    @Override
    public TextMessage getItem(int position) {
      return ((null != objects) ? objects.get(position) : null);
    }

    public View getView(int position, View convertView, ViewGroup parent) {
      View view = convertView;

      if (null == view) {
        LayoutInflater vi = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        view = vi.inflate(R.layout.message, null);
      }

      TextMessage msg = objects.get(position);

      if (msg != null){
        TextView textview = (TextView) view.findViewById(R.id.messageNumber);
        if (msg.direction == 'I'){
          textview.setText("From: " + msg.number);
        } else {
          textview.setText("To: " + msg.number);            
        }
        
        textview = (TextView) view.findViewById(R.id.messageText);
        textview.setText(msg.text);
        
        textview = (TextView) view.findViewById(R.id.messageDate);
        textview.setText(msg.created.toString());
        
        textview = (TextView) view.findViewById(R.id.messageStatus);
        textview.setText(msg.getStatusText());
        
        if (msg.status == TextMessage.ERRORED){
          textview.setTextColor(ERROR);
        } else if (msg.status == TextMessage.QUEUED || msg.status == TextMessage.IGNORED || 
               msg.status == TextMessage.RECEIVED || msg.status == TextMessage.SENT){
          textview.setTextColor(Color.GRAY);
        } else {
          textview.setTextColor(SUCCESS);
        }
                  
        textview = (TextView) view.findViewById(R.id.log);
        textview.setTextColor(ERROR);
        
        if (msg.error != null){
          textview.setText(msg.error);
        } else {
          textview.setText("");
        }
      }

      return view;
    }
  }
  
}
Java Source Code List
