99-1朝陽資工 - 手持式裝置程式設計 - 鍵盤偵測

99-1朝陽資工 - 手持式裝置程式設計 - 鍵盤偵測

鍵盤事件偵測：

• 所屬類別：View
• 介面interface：View.OnKeyListener
• public abstract boolean onKey (View v, int keyCode, KeyEvent event)
• Parameters
• v The view the key has been dispatched to.
• keyCode The code for the physical key that was pressed
• event The KeyEvent object containing full information about the event.
• Returns
• True if the listener has consumed the event, false otherwise.

• 範例
• 建立EditText的Listener
• editText.setOnKeyListener(new OnKeyListener()
• 偵測Key事件
• public boolean onKey(View v, int keyCode, KeyEvent event)
• 取出Key事件
• if (keyCode == KeyEvent.KEYCODE_ENTER)
• 範例下載
• Download