actionUnspecified  未指定，对应常量EditorInfo.IME_ACTION_UNSPECIFIED.

actionNone 没有动作,对应常量EditorInfo.IME_ACTION_NONE

actionGo 去往，对应常量EditorInfo.IME_ACTION_GO

actionSearch 搜索，对应常量EditorInfo.IME_ACTION_SEARCH

actionSend 发送，对应常量EditorInfo.IME_ACTION_SEND

actionNext 下一个，对应常量EditorInfo.IME_ACTION_NEXT

actionDone 完成，对应常量EditorInfo.IME_ACTION_DONE

配合singline=true；可以实现enter箭头改为对应文字。

监听方法：

Edit.setOnEditorActionListener(newTextView.OnEditorActionListener() {

@OverridepublicbooleanonEditorAction(TextView v,intactionId, KeyEventevent){if(actionId == EditorInfo.IME_ACTION_SEARCH  (搜索)||(event!=null&&event.getKeyCode()== KeyEvent.KEYCODE_ENTER)){if(TextUtils.isEmpty(mSearchEdit.getText())){

mSearchEdit.requestFocus();

mSearchEdit.setError("不能为空");

}else{//do reseach}returntrue;

}returnfalse;

}

});