如果在Android中更改了TextView,如何显示Toast消息?
步骤:
Hai
。Hai
)。答案 0 :(得分:1)
使用文本更改侦听器
textMessage.addTextChangedListener(new TextWatcher(){
public void afterTextChanged(Editable s) {
String s = s.toString();
Toast.makeText(getActivity, s, 500).show();
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
public void onTextChanged(CharSequence s, int start, int before, int count){}
});