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2013/06/06

[iOS] UITextView

我是UITextView,我負責顯示多行文字

UILabel不同的是UILabel則負責顯示一行文字。







第1步:建立一個名為"UITextView"的"Single View Application"專案
 

第2步:拖拉UITextView至畫面中


第3步:建立UITextView的IBOutlet物件參考於ViewController中
  • 3.1 對UITextView按右鍵,按任"New Referencing Outlet"右邊的圓點,並拖拉至ViewController類別中


  • 3.2 於"Name"欄位輸入"textView",並按下"Connect"

  • 3.3 確認textView Outlet建立完成


第4步:於"ViewController.m"實作檔中的viewDidLoad方法中,setText:方法變更UITextView上的文字為"I \n AM \n KING \n OF \n THE \n World!",為了展示UITextView擁有顯示多行文字的能力,在每個單字間皆以"\n"換行字元進行換行。



  1. - (void)viewDidLoad {
        [super viewDidLoad];
        [self.textView setText:@" I \n AM \n KING \n OF \n THE \n World!"];


第5步:執行程式,UITextView上的文字已經變更為

           「
             I
             AM
             KING
             OF
             THE
             World!
                          」





沒錯! UITextView上的文字也是可以透過"Attributes Inspector"作設定的。

設定方式如下:
1.選取UITextView
2.選取Attributes Inspector(於右上方)
3.於文字Text欄位文字




檔案連結:UITextView.zip