Android Threads, Handlers and AsyncTask - Tutorial

http://www.vogella.de/articles/AndroidPerformance/article.html

android open contextmenu when click on listview item

package androidTest.app;

import android.app.Activity;
import android.app.ListActivity;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class AndroidTestActivity extends Activity implements
OnItemLongClickListener {

       private Activity activity = null;

       private ListView _listview;

       private String _selectedItem;

   /** Called when the activity is first created. */
   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.main);

       activity = this;

       _listview = (ListView)findViewById(R.id.lvTagValues);

       ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,
               android.R.layout.simple_list_item_1, PENS);
       _listview.setAdapter(arrayAdapter);

       this.registerForContextMenu(_listview);

       _listview.setOnItemLongClickListener(this);

       _listview.setOnItemClickListener(
               new android.widget.AdapterView.OnItemClickListener()
           {
               public void onItemClick(AdapterView<?> arg0, View view,
                               int position, long id) {
                       //Take action here.
                       _selectedItem = (String) _listview.getItemAtPosition(position);
                       activity.openContextMenu(_listview);
                   System.out.println("...context is called");
               }
               }
        );
   }

   @Override
   public void onConfigurationChanged(Configuration newConfig) {
       // TODO Auto-generated method stub

       super.onConfigurationChanged(newConfig);
       System.out.println("...11configuration is changed...");
   }

   static final String[] PENS = new String[]{
       "MONT Blanc",
       "Gucci",
       "Parker",
       "Sailor",
       "Porsche Design",
       "item1",
       "item2",
       "item3",
       "item4",
       "item5",
       "item6",
       "item7",
       "item8",
       "item9",
       "item10",
       "item11"



   };

   @Override
   public void onCreateContextMenu(ContextMenu menu, View v,
           ContextMenuInfo menuInfo) {
       // TODO Auto-generated method stub
       System.out.println("...on create context menu...");
       super.onCreateContextMenu(menu, v, menuInfo);
       menu.setHeaderTitle("Context Menu");
       menu.add(0, v.getId(), 0, "Action 1");
       menu.add(0, v.getId(), 0, "Action 2");
   }

   @Override
   public boolean onContextItemSelected(MenuItem item) {
       if(item.getTitle()=="Action 1"){
               function1(item.getItemId());
               }
       else if(item.getTitle()=="Action 2"){
               function2(item.getItemId());
               }
       else {return false;}
   return true;
   }

   private void function1(int itemID){
       System.out.println("...menu 1 is clicked" + Integer.toString(itemID));

   }

   private void function2(int itemID){
       System.out.println("...menu 2 is clicked" + Integer.toString(itemID));
   }

   public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int arg2,
           long arg3) {
       System.out.println("...on long click close context menu...");
       activity.closeContextMenu();
       // TODO Auto-generated method stub

       return false;
   }
}

WPF Performance Suite

Guide
http://msdn.microsoft.com/en-us/library/aa969767(v=VS.90).aspx

Install Path:
Program Files\Microsoft Windows Performance Toolkit\WPF Performance Suite\WpfPerf.exe

Root Samsung Exhibit II

http://androidforums.com/exhibit-4g-all-things-root/444258-anyone-root-samsung-exhibit-ii-4g-t679.html

ZergRush zip file attached.Install the phone drivers on your pc, in your phone turn usb debugging on, plug your phone into your pc and let the drivers install.Unzip the zergRush file to a new folder on your desktop,open the folder and click on the .bat file and let it run . To check if you rooted...you should see apps called superuser and terminal emulator in your app draw. You can also download root checker from the market to verify...enjoy.

This WORKS for the Exhibit 4g ll and Exhibit 4g.

How To Make Your Application Delete Itself

XP:

Process.Start("cmd.exe", "/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del " + 
          Application.ExecutablePath); 

none-XP

Process.Start("cmd.exe", 
 "/C choice /C Y /N /D Y /T 3 & Del " + Application.ExecutablePath);
Application.Exit();

reference:
http://www.codeproject.com/KB/threads/HowToDeleteCurrentProcess.aspx

System.Windows.Forms.Cursor.Hide

http://msdn.microsoft.com/en-us/library/system.windows.forms.cursor.hide.aspx

The Show and Hide method calls must be balanced. For every call to the Hide method there must be a corresponding call to the Show method.

坑爹啊... 

Understanding User Interface in Android

http://mobiforge.com/designing/story/understanding-user-interface-android-part-1-layouts

http://mobiforge.com/designing/story/understanding-user-interface-android-part-2-views

http://mobiforge.com/designing/story/understanding-user-interface-android-part-3-more-views

http://mobiforge.com/designing/story/understanding-user-interface-android-part-4-even-more-views

DroidDraw Beta

Comsuming WCF Services With Android 

Android ListView and ListActivity - Tutorial