IPhone textfile watermark effect and shadow keyboard

Self. tf_username, self. tf_password is the textfile component.

 

// Password Style

Self. tf_password.securetextentry = yes;

// Watermark Effect
[Self. tf_username setplaceholder: @ "username"];
[Self. tf_password setplaceholder: @ "password"];

 

 

/************************
* Click the background to hide the keyboard, and bind the event to the click View background operation,

************************/
-(Ibaction) backgroundtap :( ID) sender {
[Self. tf_username resignfirstresponder];
[Self. tf_password resignfirstresponder];
}