About Android Development using the Alertdialog Implementation dialog box

The Alertdialog class is powerful enough not only to generate a hint dialog with a button, but also to generate a dialog box with a list.

Using the Alertdialog Implementation dialog box
Build a layout file Alert.xml add a button named: displays a dialog box with the Cancel neutral OK button
Build an activity Alertdialog_lianxi.java
Add an event listener for the button

Add a button in layout

1 <button2         android:id="@+id/button1"3         android:layout_width="wrap_content"4         android:layout_height ="wrap_content"5         android:text=" display with Cancel. Neutral, OK button dialog box " />

Key code in activity

1 @Override2      Public voidOnClick (View v) {3         //TODO auto-generated Method Stub4         Switch(V.getid ()) {5          CaseR.id.button1:6Alertdialog.builder Builder =NewAlertdialog.builder (Alertdialog_lianxi. This);7Builder.settitle ("displays a dialog box with the Cancel neutral OK button");//setting the caption of a dialog box8Builder.setmessage ("here is the contents of the dialog box");//Setting the contents of a dialog box9             //Builder.seticon (r.drawable.icon_1); //Setting the icon for a dialog boxTen  One             //Add OK button ABuilder.setpositivebutton ("Determine",NewDialog.onclicklistener () { - @Override -                  Public voidOnClick (Dialoginterface Dialog,intwhich) { theToast.maketext (Alertdialog_lianxi. This,"you clicked the OK button", Toast.length_short). Show ();//Show toast message box -                 } -             }); -             //Add Cancel button +Builder.setnegativebutton ("Cancel",NewDialog.onclicklistener () { - @Override +                  Public voidOnClick (Dialoginterface Dialog,intwhich) { AToast.maketext (Alertdialog_lianxi. This,"you clicked the Cancel button", Toast.length_short). Show ();//Show toast message box at                 } -             }); -             //Add Neutral button -Builder.setneutralbutton ("Neutral",NewDialog.onclicklistener () { - @Override -                  Public voidOnClick (Dialoginterface Dialog,intwhich) { inToast.maketext (Alertdialog_lianxi. This,"you clicked the neutral button", Toast.length_short). Show ();//Show toast message box -                 } to             }); +Builder.create (). Show ();//Show dialog Box -              Break;

About Android Development using the Alertdialog Implementation dialog box