iOS Learning: Hiding keyboard methods

1, click the other blank areas of the interface to hide

Since Uiviewcontroller is inherited from Uiresponder, it is possible to overwrite-(void) Touchesbegan: (nsset *) touches withevent: (uievent *) event; This starts the touch method to cancel the first responder, The code is as follows:
[CPP]View Plaincopy

1. When you click outside the edit box, hide the keyboard
2. -(void) Touchesbegan: (Nsset *) touches withevent: (Uievent *) event
3. {
4. [[Self.viewviewWithTag:TAG_WORD] resignfirstresponder];
5. [[Self.viewviewWithTag:TAG_PROVINCE] resignfirstresponder];
6. }

2. When you click Return or done on the keyboard, hide the keyboardThis method is Uitextfield implemented delegate, when the return button on the keyboard is clicked, the -(BOOL) Textfieldshouldreturn in delegate is called: ( Uitextfield *) TextField method.
Code: [CPP]View Plaincopy

1. Hide the keyboard when you click Return or done on the keyboard
2. -(BOOL) Textfieldshouldreturn: (Uitextfield *) TextField
3. {
4. [TextField Resignfirstresponder];
5. }

iOS Learning: Hiding keyboard methods