1st version that works

libSafeMobile/src/main/java/com/safemobile/adapters/MessagesGridViewAdapter.java

@@ -0,0 +1,132 @@
+package com.safemobile.adapters;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Calendar;
+
+import android.app.Activity;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.safemobile.lib.Msg;
+import com.safemobile.lib.R;
+import com.safemobile.lib.SM;
+
+public class MessagesGridViewAdapter extends BaseAdapter
+{
+	private ArrayList<Msg> listMessages;
+	private Activity activity;
+	//public String time;
+	//private int[] colors = new int[] { Color.parseColor("#FFFFFF"), Color.parseColor("#D2E4FC") };  
+	
+	
+	public MessagesGridViewAdapter(Activity activity, ArrayList<Msg> listMessages, Context context) {
+		super();
+		this.activity = activity;
+		this.listMessages = listMessages;
+	}
+	
+	@Override
+	public int getCount() {
+		return listMessages.size();
+	}
+
+	@Override
+	public Msg getItem(int position) {
+		return listMessages.get(position);
+	}
+
+	@Override
+	public long getItemId(int position) {
+		return 0;
+	}
+
+	public static class ViewHolder
+	{
+		public ImageView imgViewContact;
+		public TextView txtViewContact;
+		public TextView txtViewDateTime;
+		public TextView txtViewLastMsg;
+		public LinearLayout layoutMessage;
+	}
+	
+	
+	@Override
+	public View getView(int position, View convertView, ViewGroup parent) {
+		ViewHolder view;
+		LayoutInflater inflator = activity.getLayoutInflater();
+		
+		if(convertView==null)
+		{
+			view = new ViewHolder();
+			convertView = inflator.inflate(R.layout.row_message, null);
+			
+			view.imgViewContact = (ImageView) convertView.findViewById(R.id.imageViewContact);
+			view.txtViewContact = (TextView) convertView.findViewById(R.id.textViewContact);
+			view.txtViewDateTime = (TextView) convertView.findViewById(R.id.textViewLastDate);
+			view.txtViewLastMsg = (TextView) convertView.findViewById(R.id.textViewLastMsg);
+			view.layoutMessage = (LinearLayout) convertView.findViewById(R.id.layoutMessage);
+			
+			convertView.setTag(view);
+		}
+		else
+		{
+			view = (ViewHolder) convertView.getTag();
+		}
+		
+		try
+		{
+			view.imgViewContact.setImageResource(listMessages.get(position).from.getLargeIcon());
+			//view.imgViewContact.setImageResource(R.drawable.peopleblue);
+			view.txtViewContact.setText(listMessages.get(position).from.name+ " :");
+			if(listMessages.get(position).message.length() > 25)
+				view.txtViewLastMsg.setText(listMessages.get(position).message.substring(0, 25) + "...");
+			else
+				view.txtViewLastMsg.setText(listMessages.get(position).message);
+			
+			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
+			Calendar calendar = Calendar.getInstance();
+			calendar.set(Calendar.HOUR_OF_DAY,0);
+			calendar.set(Calendar.MINUTE, 0);
+			calendar.set(Calendar.SECOND, 0);
+			calendar.set(Calendar.MILLISECOND, 0);
+			if(listMessages.get(position).received.after(calendar.getTime()))
+				sdf = new SimpleDateFormat("HH:mm:ss");
+			else
+				sdf = new SimpleDateFormat("MMM-dd HH:mm");
+			
+			view.txtViewDateTime.setText(sdf.format(listMessages.get(position).received));
+		}
+		catch(Exception ex)
+		{
+			SM.Exception(ex.toString());
+		}
+		return convertView;
+	}
+	
+	public int getIcon(int user_type, String username)
+	{
+		// if request was send by MessagesActivity -> Spinner
+		if(user_type == -1)
+		{
+			// get unit_type for selected username
+			for (Msg mes: listMessages)
+			{
+				// if user is selected
+				if(mes.from.name.equals(username))
+				{
+					user_type = (int) mes.from.driver_id;	// save user_type
+					
+					return mes.from.getLargeIcon();
+				}
+			}
+		}		
+		return 0;
+	}
+}