Android Application Development notes-project code 3

1.3 App controls
MainActivity. java
[Java]
Package com. example. apppalettesdemo;
 
Import andro
Id. app. Activity;
Import android. app. AlertDialog;
Import android. app. AlertDialog. Builder;
Import android. app. Notification;
Import android. app. icationicationmanager;
Import android. app. PendingIntent;
Import android. app. ProgressDialog;
Import android. content. DialogInterface;
Import android. content. DialogInterface. OnClickListener;
Import android. content. Intent;
Import android. view. Menu;
Import android. view. MenuItem;
Import android. widget. Toast;
 
Public class MainActivity extends Activity implements OnClickListener {
 
@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. activity_main );
}
 
@ Override
Public boolean onCreateOptionsMenu (Menu menu ){
GetMenuInflater (). inflate (R. menu. my_options_menu, menu );
Return true;
}

@ Override
Public boolean onOptionsItemSelected (MenuItem item ){
// TODO Auto-generated method stub
Boolean flag = false;

Switch (item. getItemId ()){
Case R. id. AlertDialog01:
Builder dialog = new AlertDialog. Builder (MainActivity. this );
Dialog. setTitle ("Hint ");
Dialog. setMessage ("This is Message! ");
Dialog. setPositiveButton ("OK", this );
Dialog. show ();

Flag = true;
Break;
 
Case R. id. icationicationmanager01:
Icationicationmanager notiManager =
(Icationicationmanager) getSystemService (NOTIFICATION_SERVICE );

Notification notiInst = new Notification (
R. drawable. ic_launcher, "This is running y ",
System. currentTimeMillis ());
PendingIntent pendIntent = PendingIntent. getActivity (
This, 0, new Intent (this, MainActivity. class ),
PendingIntent. FLAG_UPDATE_CURRENT );
NotiInst. setLatestEventInfo (this, "Notify", "Notify 01", pendIntent );

NotiManager. Y (0, notiInst );

Flag = true;
Break;

Case R. id. progressDialog01:
ProgressDialog progrDialog = new ProgressDialog (this );
ProgrDialog. setProgressStyle (ProgressDialog. STYLE_SPINNER );
ProgrDialog. setMessage ("Loading Information ...");
ProgrDialog. show ();

Flag = true;
Break;

Default:
Break;
}

Return flag;
}

// DialogInterface
@ Override
Public void onClick (DialogInterface dialog, int which ){
// TODO Auto-generated method stub
Toast. makeText (this, "You just press 'alertdialog 'button! ", Toast. LENGTH_SHORT). show ();
}

}

Package com. example. apppalettesdemo;

Import android. OS. Bundle;
Import android. app. Activity;
Import android. app. AlertDialog;
Import android. app. AlertDialog. Builder;
Import android. app. Notification;
Import android. app. icationicationmanager;
Import android. app. PendingIntent;
Import android. app. ProgressDialog;
Import android. content. DialogInterface;
Import android. content. DialogInterface. OnClickListener;
Import android. content. Intent;
Import android. view. Menu;
Import android. view. MenuItem;
Import android. widget. Toast;

Public class MainActivity extends Activity implements OnClickListener {

@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. activity_main );
}

@ Override
Public boolean onCreateOptionsMenu (Menu menu ){
GetMenuInflater (). inflate (R. menu. my_options_menu, menu );
Return true;
}

@ Override
Public boolean onOptionsItemSelected (MenuItem item ){
// TODO Auto-generated method stub
Boolean flag = false;

Switch (item. getItemId ()){
Case R. id. AlertDialog01:
Builder dialog = new AlertDialog. Builder (MainActivity. this );
Dialog. setTitle ("Hint ");
Dialog. setMessage ("This is Message! ");
Dialog. setPositiveButton ("OK", this );
Dialog. show ();

Flag = true;
Break;

Case R. id. icationicationmanager01:
Icationicationmanager notiManager =
(Icationicationmanager) getSystemService (NOTIFICATION_SERVICE );

Notification notiInst = new Notification (
R. drawable. ic_launcher, "This is running y ",
System. currentTimeMillis ());
PendingIntent pendIntent = PendingIntent. getActivity (
This, 0, new Intent (this, MainActivity. class ),
PendingIntent. FLAG_UPDATE_CURRENT );
NotiInst. setLatestEventInfo (this, "Notify", "Notify 01", pendIntent );

NotiManager. Y (0, notiInst );

Flag = true;
Break;

Case R. id. progressDialog01:
ProgressDialog progrDialog = new ProgressDialog (this );
ProgrDialog. setProgressStyle (ProgressDialog. STYLE_SPINNER );
ProgrDialog. setMessage ("Loading Information ...");
ProgrDialog. show ();

Flag = true;
Break;

Default:
Break;
}

Return flag;
}

// DialogInterface
@ Override
Public void onClick (DialogInterface dialog, int which ){
// TODO Auto-generated method stub
Toast. makeText (this, "You just press 'alertdialog 'button! ", Toast. LENGTH_SHORT). show ();
}

}