我有一个EditText
。我wamt做一些事情,当用户按输入密钥,同时更改EditText
。我怎样才能做到这一点?如何收听EditText?
最简单的方法:
final EditText edittext = (EditText) findViewById(R.id.edittext);
edittext.setOnKeyListener(new OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
// If the event is a key-down event on the "enter" button
if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
(keyCode == KeyEvent.KEYCODE_ENTER)) {
// Perform action on key press
Toast.makeText(HelloFormStuff.this, edittext.getText(), Toast.LENGTH_SHORT).show();
return true;
}
return false;
}
});
好的,我该如何比较CharSequence和Key Enter? – ruslanys 2012-02-15 23:00:40