Dynamic List Activity - Revision history

Jfreier at 15:21, 6 July 2011

2011-07-06T15:21:34Z

Jfreier at 02:24, 1 July 2011

2011-07-01T02:24:51Z

Jfreier at 15:41, 2 February 2011

2011-02-02T15:41:13Z

Jfreier at 15:38, 2 February 2011

2011-02-02T15:38:11Z

Jfreier at 15:37, 2 February 2011

2011-02-02T15:37:42Z

Jfreier: Created page with 'package com.johnfreier.dailyfactorcrap; import java.util.ArrayList; import com.johnfreier.utilities.URLUtils; import android.app.ListActivity; import android.app.ProgressDialo…'

2011-02-02T14:03:16Z

Created page with 'package com.johnfreier.dailyfactorcrap; import java.util.ArrayList; import com.johnfreier.utilities.URLUtils; import android.app.ListActivity; import android.app.ProgressDialo…'

New page

package com.johnfreier.dailyfactorcrap;

import java.util.ArrayList;

import com.johnfreier.utilities.URLUtils;

import android.app.ListActivity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class TopActivity extends ListActivity
{
private final static String BUNDLE_USER_STRING = "USERS_TOP_STRING";

private ArrayAdapter<String> adapter;
private ProgressDialog dialog;
private ArrayList<String> list;

public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);

this.list = new ArrayList<String>();
adapter = new ArrayAdapter<String>(this, R.layout.top, this.list);
setListAdapter(adapter);

ListView lv = getListView();
lv.setTextFilterEnabled(true);

this.refresh();

}

public void refresh()
{
dialog = ProgressDialog.show(TopActivity.this, "","Refreshing...", true);
new Thread(new Runnable()
{
public void run()
{
String query = URLUtils.getSource(getString(R.string.apiTopURL));
Message myMessage=new Message();
Bundle resBundle = new Bundle();
resBundle.putString(BUNDLE_USER_STRING, query);
myMessage.obj=resBundle;
handlerRefresh.sendMessage(myMessage);
dialog.dismiss();
}
}).start();
}

private Handler handlerRefresh = new Handler()
{
@Override
public void handleMessage(Message msg)
{
try
{
Bundle resBundle = (Bundle) msg.obj;
String query = resBundle.getString(BUNDLE_USER_STRING);
String[] tops = query.split("[|][|]");
list.clear();
for(int x = 0; x<tops.length;x++)
{
list.add(tops[x]);
}
adapter.notifyDataSetChanged();
}
catch(Exception e)
{
Log.d("refresher", e.toString());
}
}
};

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

@Override
public boolean onOptionsItemSelected(MenuItem item)
{
// Handle item selection
switch (item.getItemId())
{
case R.id.refresh:
this.refresh();
return true;
default:
return super.onOptionsItemSelected(item);
}
}

}

← Older revision		Revision as of 15:21, 6 July 2011
Line 41:		Line 41:
	android:padding="10dp" android:textStyle="bold" android:textSize="20sp" android:textColor="#ffffff">		android:padding="10dp" android:textStyle="bold" android:textSize="20sp" android:textColor="#ffffff">
	</TextView>		</TextView>
		+
		+	'''Error''' - If you get the error, something along the lines of R.id.list is not in the content. Remove the setContentView method, you don't need it

← Older revision		Revision as of 02:24, 1 July 2011
Line 32:		Line 32:
	}		}
	}		}
		+
		+
		+	Your Layout should look like this...
		+	<?xml version="1.0" encoding="utf-8"?>
		+	<TextView xmlns:android="http://schemas.android.com/apk/res/android"
		+	android:layout_width="fill_parent"
		+	android:layout_height="fill_parent"
		+	android:padding="10dp" android:textStyle="bold" android:textSize="20sp" android:textColor="#ffffff">
		+	</TextView>

← Older revision		Revision as of 15:37, 2 February 2011
Line 1:		Line 1:
−	~~package com.johnfreier.dailyfactorcrap;~~

−	~~import java.util.~~ArrayList;	+	public class TopActivity extends ListActivity
		+	{
		+	private ArrayAdapter<String> adapter;
		+	private ArrayList<String> list;

−	~~import com~~.~~johnfreier.utilities.URLUtils~~;	+	public void onCreate(Bundle savedInstanceState)
		+	{
		+	super.onCreate(savedInstanceState);

−	~~import android~~.~~app.ListActivity~~;	+	this.list = new ArrayList<String>();
−	~~import android~~.~~app~~.~~ProgressDialog;~~	+	adapter = new ArrayAdapter<String>(this, R.layout.top, this.list);
−	~~import android~~.~~os.Bundle~~;	+	setListAdapter(adapter);
−	~~import android.os.Handler;~~	+
−	~~import android.os.Message~~;	+

−	~~import android~~.~~util.Log;~~	+	//not for sure if I need the below.
−	~~import android.view.Menu~~;	+	//ListView lv = getListView();
−	~~import android~~.~~view.MenuInflater;~~	+	//lv.setTextFilterEnabled(true);
−	~~import android.view.MenuItem;~~	+
−	~~import android.widget.ArrayAdapter;~~	+
−	~~import android.widget.ListView~~;	+

		+	addItem();

−	~~public class TopActivity extends ListActivity~~	+	}
−	{	+
−	~~private final static String BUNDLE_USER_STRING = "USERS_TOP_STRING";~~	+
−		+
−	~~private ArrayAdapter<String> adapter;~~	+
−	~~private ProgressDialog dialog;~~	+
−	~~private ArrayList<String> list;~~	+
−		+
−	~~public void onCreate(Bundle savedInstanceState)~~	+
−	{	+
−	~~super.onCreate(savedInstanceState);~~	+

−	~~this.list = new ArrayList<String>();~~	+	public void addItem()
−	~~adapter = new ArrayAdapter<String>(this, R.layout.top, this.list);~~	+	{
−	~~setListAdapter(adapter);~~	+	this.list.add("Two");
−		+	adapter.notifyDataSetChanged();
−	~~ListView lv = getListView();~~	+	}
−	~~lv.setTextFilterEnabled(true);~~	+	}
−		+
−	~~this.refresh();~~	+
−		+
−	}	+
−		+
−	public void ~~refresh~~()	+
−	{	+
−	~~dialog = ProgressDialog.show(TopActivity.~~this~~, "","Refreshing~~..~~.", true);~~	+
−	~~new Thread(new Runnable()~~	+
−	{	+
−	~~public void run()~~	+
−	{	+
−	~~String query = URLUtils.getSource(getString(R.string.apiTopURL));~~	+
−	~~Message myMessage=new Message();~~	+
−	~~Bundle resBundle = new Bundle();~~	+
−	~~resBundle.putString(BUNDLE_USER_STRING, query);~~	+
−	~~myMessage.obj=resBundle;~~	+
−	~~handlerRefresh.sendMessage(myMessage);~~	+
−	~~dialog.dismiss();~~	+
−	}	+
−	~~}).start();~~	+
−	}	+
−		+
−	~~private Handler handlerRefresh = new Handler()~~	+
−	{	+
−	~~@Override~~	+
−	~~public void handleMessage(Message msg)~~	+
−	{	+
−	~~try~~	+
−	{	+
−	~~Bundle resBundle = (Bundle) msg.obj;~~	+
−	~~String query = resBundle.getString(BUNDLE_USER_STRING);~~	+
−	~~String[] tops = query.split~~("~~[\|][\|]~~");	+
−	~~list.clear();~~	+
−	~~for(int x = 0; x<tops.length;x++)~~	+
−	{	+
−	~~list.add(tops[x]);~~	+
−	}	+
−	adapter.notifyDataSetChanged();	+
−	}	+
−	~~catch(Exception e)~~	+
−	{	+
−	~~Log.d("refresher", e.toString());~~	+
−	}	+
−	}	+
−	};	+
−		+
−	~~@Override~~	+
−	~~public boolean onCreateOptionsMenu(Menu menu)~~	+
−	{	+
−	~~MenuInflater inflater = getMenuInflater();~~	+
−	~~inflater.inflate(R.menu.top_menu, menu);~~	+
−	~~return true;~~	+
−	}	+
−		+
−	~~@Override~~	+
−	~~public boolean onOptionsItemSelected(MenuItem item)~~	+
−	{	+
−	~~// Handle item selection~~	+
−	~~switch (item.getItemId())~~	+
−	{	+
−	~~case R.id.refresh:~~	+
−	~~this.refresh();~~	+
−	~~return true;~~	+
−	~~default:~~	+
−	~~return super.onOptionsItemSelected(item);~~	+
−	}	+
−	}	+
−		+
−	}	+

@@ Line 1: / Line 1: @@
-  public class TopActivity  extends ListActivity
+This is some example code to use ArrayList and attach it to the List view using the ArrayAdapter.
+  {
        private ArrayAdapter<String> adapter;

@@ Line 1: / Line 1: @@
   public class TopActivity  extends ListActivity
+  {
        private ArrayAdapter<String> adapter;
        private ArrayList<String> list;
-−
        public void onCreate(Bundle savedInstanceState)
+       {
             super.onCreate(savedInstanceState);
-−
             this.list = new ArrayList<String>();
             adapter = new ArrayAdapter<String>(this, R.layout.top, this.list);
             setListAdapter(adapter);
-−
             //not for sure if I need the below.
             //ListView lv = getListView();
             //lv.setTextFilterEnabled(true);
-−
             addItem();
-−
+       }
-−
        public void addItem()
+       {