Android 覆盖edtitext';s getText()方法导致堆栈溢出,为什么?
我正在对TextInputItemText进行子类化,以便可以向password editText字段添加字符串。下面是子类:Android 覆盖edtitext';s getText()方法导致堆栈溢出,为什么?,android,android-textinputlayout,Android,Android Textinputlayout,我正在对TextInputItemText进行子类化,以便可以向password editText字段添加字符串。下面是子类: public class CustomInputEditTextWithPrefix extends TextInputEditText { public CustomInputEditTextWithPrefix(Context context) { super(context); } public CustomInputEditTextWithPref
public class CustomInputEditTextWithPrefix extends TextInputEditText {
public CustomInputEditTextWithPrefix(Context context) {
super(context);
}
public CustomInputEditTextWithPrefix(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomInputEditTextWithPrefix(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public Editable getText() {
Editable s = (Editable) super.getText(); //why is this causing infinite stackoverflow ?
if(s!=null && s.length()>0) {
//salt the password
Editable pwSalt = new SpannableStringBuilder("my secret string");
s= pwSalt.append(s);
}
return s;
}
}
xml中的实现是:
<com.myapp.ui.auth.ui.customviews.CustomInputEditTextWithPrefix
android:id="@+id/password"
android:inputType="textPassword" />
我的问题是,当我执行代码时,getText()override方法会不断被调用。我取出了inputType,但直到stackoverflow它才被调用。我的想法是在TextInputItemText中每个字符串的前面附加一个秘密哈希。我做错了什么?如果您跳过指定一个新值
s
,一切都会好起来
@Override
public Editable getText() {
Editable s = (Editable) super.getText();
if(s!=null && s.length()>0) {
//salt the password
return new SpannableStringBuilder("my secret string").append(s.toString());
}
return s;
}