<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent">
 
    <com.google.android.maps.MapView 
        android:id="@+id/mapView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:enabled="true"
        android:clickable="true"
        android:apiKey="08271ecDc7XXpW1H7_nRFBRBTzYGC-unvKL5ahA"
        />
 
</RelativeLayout>

 
import android.app.Activity;
import android.os.Bundle;
import com.google.android.maps.MapActivity;
public class MapTab extends MapActivity{
	@Override
	   public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.maps);
}
 
	@Override
	protected boolean isRouteDisplayed() {
		// TODO Auto-generated method stub
		return false;
	}
}

  <uses-library  android:name="com.google.android.maps"></uses-library>
 </application>

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/RelativeLayout01"
        android:layout_width="fill_parent" android:layout_height="fill_parent"
        xmlns:android="http://schemas.android.com/apk/res/android">
        <TextView android:layout_width="wrap_content"
                android:layout_height="wrap_content" android:id="@+id/titleLeft"
                android:text="left" android:textColor="#ffffff" android:textStyle="bold"></TextView>
        <TextView android:layout_width="wrap_content"
                android:layout_height="wrap_content" android:id="@+id/titleRight"
                android:text="right" android:layout_alignParentRight="true" android:textColor="#ffffff" android:textStyle="bold"></TextView>
 
      </RelativeLayout>

public class Main extends Activity{
 
	boolean customTitleSupported;
@Override
	   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);  //
//observe that  this is put before set content view
setContentView(R.layout.main);
 
 customTitleBar(getText(R.string.app_name).toString(), "Login...");//here we set left and right
//titles...on left is the traditional app name, and in right you can put any string you wish.
}
 
//here we will define the method customTitleBar()
public void customTitleBar(String left, String right) {
        if (right.length() > 20) right = right.substring(0, 20);
        // set up custom title
        if (customTitleSupported) {
                getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,
                                R.layout.customtitle);
                TextView titleLeft = (TextView) findViewById(R.id.titleLeft);
                TextView titleRight = (TextView) findViewById(R.id.titleRight);
 
                titleLeft.setText(left);
                titleRight.setText(right);
 
        }}
 
}

HttpClient httpclient = new DefaultHttpClient();
		    HttpPost httppost = new HttpPost("http://androidgenuine.com/test_file.php");//here is the 
host where the php file is.
 
		    try {	    		
 
		        // Add your data
		        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
		        nameValuePairs.add(new BasicNameValuePair("username","John"));
		        nameValuePairs.add(new BasicNameValuePair("password", " "));
		        nameValuePairs.add(new BasicNameValuePair("action", "validate_password"));
 
		        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
 
		        // Execute HTTP Post Request
		        HttpResponse response = httpclient.execute(httppost);
		        String responseAsText = EntityUtils.toString(response.getEntity());
		        Log.d("", responseAsText+"dadadad###");
		if(responseAsText .contentEquals("ok")){
//make what you want if login ok
}
else{//make what you want if login fails
}
  } catch (ClientProtocolException e) {
		        // TODO Auto-generated catch block
		    } catch (IOException e) {
		        // TODO Auto-generated catch block
		     }

public static final String md5(final String s) {
	    try {
	        // Create MD5 Hash
	        MessageDigest digest = java.security.MessageDigest
	                .getInstance("MD5");
	        digest.update(s.getBytes());
	        byte messageDigest[] = digest.digest();
 
	        // Create Hex String
	        StringBuffer hexString = new StringBuffer();
	        for (int i = 0; i < messageDigest.length; i++) {
	            String h = Integer.toHexString(0xFF & messageDigest[i]);
	            while (h.length() < 2)
	                h = "0" + h;
	            hexString.append(h);
	        }
	        return hexString.toString();
 
	    } catch (NoSuchAlgorithmException e) {
	        e.printStackTrace();
	    }
	    return "";
	}

String myPassword="password";
String encryptedPassword=md5(myPassword);

public static final String PREFS_NAME = "MyPrefsFile";    //unique identifier for our Preferences
	private static final String PREF_USERNAME = "username"; //fields to be saved
	private static final String PREF_PASSWORD = "password";
	private static final String PREF_CHECKED = "checked";

 
final CheckBox checkBox=(CheckBox)findViewById(R.id.checkBox1);//remeber to name in your .xml file,
//checkbox with name:checkBox1 so this code to works 
final EditText userID=(EditText)findViewById(R.id.editText1);//same here
final EditText password=(EditText)findViewById(R.id.editText1);
final Button login=(Button)findViewById(R.id.button1);
 
/*in this first part of the program we check the values saved. 
If there are no values saved, we can put default valuesm or null.
If there are values saved, then String variables will take that values.*/
 
SharedPreferences pref = getSharedPreferences(PREFS_NAME,MODE_PRIVATE);   
String username = pref.getString(PREF_USERNAME, "username");/*here we get setted preferences(values).
 If no preference was saved we set to default "username". It can be null, if you don't want a default value 
to be setted.*/
String passwordshare = pref.getString(PREF_PASSWORD, "password");
String checked=pref.getString(PREF_CHECKED, "FALSE");
//remember..."FALSE" is a default value..you can set it as null.
 
/*in the second part of program we implement the login button. 
This button will take the text from editTexts and make whatever you want, but also, 
will check if checkBox1 is checked or not.
If isChecked, then will save content from editTexts to sharedPrefs, if is not checked, then will clear 
the content from existent sharedPrefs*/
 
login.setOnClickListener(new OnClickListener(){
 
		@Override
		public void onClick(View v) {
			if(checkBox.isChecked()){
			getSharedPreferences(PREFS_NAME,MODE_PRIVATE)
	        .edit()
	        .putString(PREF_USERNAME, userID.getText().toString())
	        .putString(PREF_PASSWORD, password.getText().toString())
	        .putString(PREF_CHECKED,"TRUE")
	        .commit();
			}else if(!checkBox.isChecked())
{getSharedPreferences(PREFS_NAME,MODE_PRIVATE).edit().clear().commit();
 
			}

	Calendar cal = Calendar.getInstance();       //for using this you need to import java.util.Calendar;
 
				// add minutes to the calendar object
				cal.set(Calendar.MONTH, 4);
				cal.set(Calendar.YEAR, 2011);				
				cal.set(Calendar.DAY_OF_MONTH, 5);
				cal.set(Calendar.HOUR_OF_DAY, 21);
				cal.set(Calendar.MINUTE, 43);
//cal.set will set the alarm to trigger exactly at: 21:43, 5 May 2011
//if you want to trigger the alarm after let's say 5 minutes after is activated you need to put
//cal.add(Calendar.MINUTE, 5);
	Intent alarmintent = new Intent(getApplicationContext(), AlarmReceiver.class);
alarmintent.putExtra("title","Title of our Notification");
alarmintent.putExtra("note","Description of our  Notification");
//HELLO_ID is a static variable that must be initialised at the BEGINNING OF CLASS with 1;
 
//example:protected static int HELLO_ID =1;
PendingIntent sender = PendingIntent.getBroadcast(getApplicationContext(), HELLO_ID,
alarmintent,PendingIntent.FLAG_UPDATE_CURRENT|  Intent.FILL_IN_DATA);
//VERY IMPORTANT TO SET FLAG_UPDATE_CURRENT... this will send correct extra's informations to 
//AlarmReceiver Class
				// Get the AlarmManager service
 
AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), sender);

 <receiver android:name=".AlarmReceiver"></receiver>

 
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.widget.Toast;
 
public class AlarmReceiver extends BroadcastReceiver {
 
	private static int NOTIFICATION_ID = 1;
 
	@Override
	public void onReceive(Context context, Intent intent) {
 
	        // NotificationManager mNotificationManager = 
(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
NotificationManager manger = (NotificationManager)     
context.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(R.drawable.icon, "Combi Note",
 System.currentTimeMillis());
PendingIntent contentIntent = PendingIntent.getActivity(context, 
NOTIFICATION_ID, 
new Intent(context, AlarmReceiver.class), 0);
		Bundle extras=intent.getExtras();
		String title=extras.getString("title");
//here we get the title and description of our Notification
			//
		String note=extras.getString("note");
		notification.setLatestEventInfo(context, note, title, contentIntent);
		notification.flags = Notification.FLAG_INSISTENT;
		notification.defaults |= Notification.DEFAULT_SOUND;
//here we set the default sound for our 
//notification
 
		// The PendingIntent to launch our activity if the user selects this notification
		manger.notify(NOTIFICATION_ID++, notification);
 
 
 
	}
 
};

import android.content.Intent;
import android.os.Bundle;
import android.widget.TabHost;
 
public class Main extends TabActivity{
 
	public TabHost tabHost;
 
	public void onCreate(Bundle savedInstanceState) {
	    super.onCreate(savedInstanceState);
	    setContentView(R.layout.main);
 
            // Get the tabHost
	    this.tabHost = getTabHost();
 
	    TabHost.TabSpec spec;  // Resusable TabSpec for each tab
	    Intent intent;  // Reusable Intent for each tab
 
	    // Create an Intent to launch the first Activity for the tab (to be reused)
	    intent = new Intent().setClass(this, ListViewGroup.class);
 
	    // Initialize a TabSpec for the first tab and add it to the TabHost
	    spec = tabHost.newTabSpec("ListViewGroup").setIndicator("ListViewGroup",
	    		getResources().getDrawable
	    				(null)) // Replace null with R.drawable.your_icon to set tab icon
	    				.setContent(intent);
	    tabHost.addTab(spec);
 
            // Create an Intent to launch an Activity for the tab (to be reused)
	    intent = new Intent().setClass(this, SecondActivityGroup.class);
 
	    // Initialize a TabSpec for the second tab and add it to the TabHost
	    spec = tabHost.newTabSpec("SecondGroup").setIndicator("SecondGroup",
	    		getResources().getDrawable
	    				(null)) // Replace null with R.drawable.your_icon to set tab icon
	    				.setContent(intent);
	    tabHost.addTab(spec);
 
	    tabHost.setCurrentTab(0);
	}

import java.util.ArrayList;
import android.app.ActivityGroup;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
 
public class ListViewGroup extends ActivityGroup {
 
        // Keep this in a static variable to make it accessible for all the nesten activities,
 //lets them manipulate the view
	public static ListViewGroup group;
 
        // Need to keep track of the history if you want the back-button to
// work properly, don't use this if your activities requires a lot of memory.
	private ArrayList<View> history;
 
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	      super.onCreate(savedInstanceState);
	      this.history = new ArrayList<View>();
	      group = this;
 
              // Start the root activity withing the group and get its view
	      View view = getLocalActivityManager().startActivity("ListView", new
	    	      							Intent(this,ListView.class)
	    	      							.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
	    	                                .getDecorView();
 
              // Replace the view of this ActivityGroup
	      replaceView(view);
 
	   }
 
	public void replaceView(View v) {
                // Adds the old one to history
		history.add(v);
                // Changes this Groups View to the new View.
		setContentView(v);
	}
 
	public void back() {
		if(history.size() > 0) {
			history.remove(history.size()-1);
			setContentView(history.get(history.size()-1));
		}else {
			finish();
		}
	}
 
   @Override
    public void onBackPressed() {
    	ListViewGroup.group.back();
        return;
    }
 
}

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
 
public class ListView extends ListActivity{
 
       // Data to put in the ListAdapter
       private String[] cities = new String[] {"Rome", "Budapest", "Washington"}
    	private ListAdapter adapter;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.listview);
        fillData();
    }
 
    // Fill the list with some data, this can be anything really
    public void fillData() {
    	ArrayAdapter citiesAdapter = new ArrayAdapter(this, R.layout.city_row, cities);
        setListAdapter(citiesAdapter);
    }
 
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
    	super.onListItemClick(l, v, position, id);
 
        Intent i = new Intent(this, ShowCity.class);
        String city_name = (String) getListAdapter().getItem(position);
        i.putExtra("city_name", city_name);
 
        // Create the view using FirstGroup's LocalActivityManager
        View view = FirstGroup.group.getLocalActivityManager()
        .startActivity("show_city", i
        .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
        .getDecorView();
 
        // Again, replace the view
        FirstGroup.group.replaceView(view);
    }
}

 
public class Main extends ListActivity{
@Override
public void OnCreate(Bundle savedInstanceState){
super.OnCreate(savedInstanceState);
setContentView(R.layout.main);
ListView mylist=getListView();
//below we declare our contextMenu, and we add 2 options that we can click on LongClick
 
myList.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {
 
 
		@Override
		public void onCreateContextMenu(ContextMenu arg0, View arg1,
				ContextMenuInfo arg2) { 
 
			// TODO Auto-generated method stub
			arg0.setHeaderTitle(" Menu: ");//contextmenu
			arg0.add(0, 0,0, "Edit!");
		       	arg0.add(0, 1,0, "Delete!");
}
		});
}
//after this, we override the follwing method
 @Override
	 public boolean onContextItemSelected(MenuItem aItem) {
	 AdapterContextMenuInfo menuInfo = (AdapterContextMenuInfo) aItem.getMenuInfo();
	 /* Switch on the ID of the item, to get what the user selected. */
 
 
	 switch (aItem.getItemId()) {
	 case 0:
//do something	
 return true; /* true means: “we handled the event”. */
	 case 1:
//do somethingelse
return true;
}
	 return false;
	 }
 
}//close the class...

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

   Button x=(Button)findViewById(R.id.Button01);
        x.setOnClickListener(new OnClickListener(){
 
			@Override
			public void onClick(View v) {
				 final Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 
				 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(getTempFile(getBaseContext())) );	 
 
				  startActivityForResult(intent, 1);//1 is the code returned by camera 
//when the photo is done and we are returned to this Activity where we clicked this button
//we will use this code "1"
			}
 
        });
 
    }

   @Override
 
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 
      if (resultCode == RESULT_OK) {
 
        switch(requestCode){
 
          case 1:               //1..is our number used in upper code
 
            final File file = getTempFile(this);//we get the image in a File instance.
 
            try {
 
              Bitmap captureBmp = Media.getBitmap(getContentResolver(), Uri.fromFile(file) ); //we assign
//the image to a Bitmap
 
               		   w.setBackgroundResource(R.anim.bird); //we set the image as a Background to a
//ImageView...so w is an instance of ImageView
  } catch (FileNotFoundException e) {
 
              e.printStackTrace();
 
            } catch (IOException e) {
 
              e.printStackTrace();
 
            }
 
          break;
 
        }
 
      }

	 TextView our_text=(TextView)findViewById(R.id.textView1);
our_text.setPaintFlags(our_text.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);

 TextView our_text=(TextView)findViewById(R.id.textView8);
our_text.setPaintFlags(our_text.getPaintFlags() &~ Paint.STRIKE_THRU_TEXT_FLAG);