iOS learning Note (iv) Alertview

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Alertview There are two buttons, the default is to make the left side cancel, and the right is the confirmation. Apple Habit ~

The properties of the Alertview can be set.     [Alertview Setalertviewstyle:uialertviewstyleloginandpasswordinput]; <

Uialertview *alertview = [Uialertview alloc] initwithtitle:@ "Defaultalertview" message:@ "Defalut"

Delegate:self cancelbuttontitle:@ "Cancel"

otherbuttontitles:@ "OK", nil]; <

Show Alertview [Alertview show]; <

Proxy method

Click on the index indexed to the event, index starting from 0-(void) Alertview: (Uialertview *) Alertview Clickedbuttonatindex: (Nsinteger) Buttonindex This method is called after the end of the animation and the view is hidden-(void) Alertview: (Uialertview *) Alertview Diddismisswithbuttonindex: (Nsinteger Buttonindex This method is called before the animation starts and the view is hidden-(void) Alertview: (Uialertview *) Alertview Willdismisswit   　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　　　Hbuttonindex: (Nsinteger) Buttonindex before view is going to be canceled-(void) Alertviewcancel: (Uialertview *) Alertview Called after the view is submitted to the user-(void) Didpresentalertview: (Uialertview *) Alertview

Setting yes/no will set the Enable property of the first Otherbutton of Alertview-(BOOL) Alertviewshouldenablefirstotherbutton (Uialertview *) Alertview

The order of the six delegate method calls is Alertviewshouldenablefirstotherbutton Willpresentalertview Didpresentalertview Clicke DbuttonatindexWilldismisswithbuttonindex(Alertviewcancel will be called if the view cancellation is triggered) Diddismisswithbuttonindex  ios4.0 after Alertview does not automatically remove the Alertview attribute 1.alertViewStyle as the program turns to the background: Bounce info and buttons     Uialertviewstyledefault   has a TextField encryption box    UIAlertViewStyleSecureTextInput  There is a non-encrypted   textfielduialertviewstyleplaintextinput  has two TextField,   Login and passworduialertviewstyleloginandpasswordinput   As long as there is TextField can be used Textfieldatindex to capture and do the appropriate actions such as the keyboard type  2.cancelbuttonindex   Start is 0, if not set Cancel button is-1  3.delegate if not set is Nil 4.firstotherbuttonindex     starting from 0, if not set is-1, and is not set will be ignored  5.message & 　　　　　　nbsp   Messages  6.numberofbuttons           READ-only  alertview button count  7.title   title  8.visible read-only   If yes indicates the display   instance method return value is an increase of the button's index             &NBSP ;-(Nsinteger) Addbuttonwithtitle: (NSString *) title  input Buttonindex return button title      -(NSString *) Buttontitleatindex: (nsinteger) Buttonindex Program Auto-Complete Click ButtoniNdex button and dismiss the entire Alertview operation     -(void) Dismisswithclickedbuttonindex: (Nsinteger ) Buttonindex animated: (BOOL) animated to show that the Alertview must be called before the  -(void) show  return value is TextField-  (uitext Field *) Textfieldatindex: (Nsinteger) Textfieldindexuialertviewstyledefault no Uialertviewstylesecureinput Textfieldindex only one for 0UIAlertViewStylePlainInput Textfieldindex only one for 0UIAlertViewStyleLoginAndPasswordInput Textfieldindex has two 0 1

iOS learning Note (iv) Alertview