Android List dialog box and progress Dialog

Main.xml

<linearlayout xmlns:android= "http://schemas.android.com/apk/res/android"
    xmlns:tools= "http:// Schemas.android.com/tools "
    android:layout_width=" fill_parent "
    android:layout_height=" Fill_parent
    " Android:gravity= "Center_horizontal"
    android:orientation= "vertical"
    >

    <button
        android:id= "@+id/listdialogbutton"
        android:layout_width= "wrap_content"
        android:layout_height= "Wrap_content"
        android:text= "@string/listdialog_button" 
        android:layout_margintop= "100dip"
        android:textsize= " 20sp "
     />
    
    <button
        android:id=" @+id/progressdialogbutton "
        android:layout_width=" Wrap_ Content "
        android:layout_height=" wrap_content "
        android:text=" "@string/progressdialog_button 
        " android:layout_margintop= "100dip"
        android:textsize= "20sp"
     />

</LinearLayout>

Mainactivity

Import android.app.Activity;
Import Android.app.AlertDialog.Builder;
Import Android.app.Dialog;
Import Android.app.ProgressDialog;
Import Android.content.DialogInterface;
Import Android.os.Bundle;
Import Android.view.View;
Import Android.view.View.OnClickListener;
Import Android.widget.Button;
Import Android.widget.Toast;
    public class Mainactivity extends activity {private Button Mlistbutton;
    Private Button Mprogressbutton;
    Private Dialog Mlistdialog;
    Private ProgressDialog Mprogressdialog;
    private int currentprogress=0;
	private int maxprogress=100;
		@Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);
		Setcontentview (R.layout.main);
	Init ();
    	private void Init () {mlistbutton= (Button) Findviewbyid (R.id.listdialogbutton);
    	Mlistbutton.setonclicklistener (New Buttononclicklistenerimpl ());
    	mprogressbutton= (Button) Findviewbyid (R.id.progressdialogbutton); Mprogressbutton.setonclicklistener(New Buttononclicklistenerimpl ());
			Private class Buttononclicklistenerimpl implements Onclicklistener {@Override public void OnClick (view view) { Switch (View.getid ()) {case R.id.listdialogbutton:builder listbuilder=new Builder (mainactivity.this)
                ;
                Listbuilder.seticon (R.drawable.ic_launcher);
                Listbuilder.settitle (Getresources (). getString (R.string.list_dialog_title)); Listbuilder.setitems (Getresources (). Getstringarray (R.array.listdialogarray), new Dialoginterface.onclicklistener () {@Override public void OnClick (Dialoginterface dialog, int which) {String selected=getresources (). Get
						Stringarray (R.array.listdialogarray) [which];
					Toast.maketext (mainactivity.this,selected, Toast.length_short). Show ();
                }
				});
                Mlistdialog=listbuilder.create ();
                Mlistdialog.show ();
			Break Case R.id.progressdialogbutton:mprogressdialog=new ProgresSdialog (Mainactivity.this);
				Mprogressdialog.setmax (maxprogress);  
				Mprogressdialog.setprogressstyle (progressdialog.style_horizontal);
				Mprogressdialog.settitle (R.string.progress_dialog_title);
				Mprogressdialog.seticon (R.drawable.ic_launcher);
				Mprogressdialog.setmessage (Getresources (). getString (R.string.progress_dialog_message));
                Mprogressdialog.setcancelable (FALSE);
                Mprogressdialog.show (); New Thread () {public void run () {try {Currentprogress<=ma
                    			xprogress) {mprogressdialog.setprogress (currentprogress++);
                    		Thread.Sleep (500);
						} mprogressdialog.cancel ();
						catch (Exception e) {mprogressdialog.cancel ();
                }
                		
                	};
               
				}.start ();
			Break
			Default:break; }
		}

	}
	
}