我正在嘗試實現一個腳註以及腳註內的幾個按鈕。如何在Google Glass的腳註中添加按鈕?
Card card1.setFootnote("Footer");
Button btnSave = new Button(this)
Button btnClear = new Button(this)
card1.setButton(btnSave); //no option to put into card at footer
card1.setButton(btnClear); //no option to put into card at footer
我該怎麼做?