android edittext inputfilter应该接受空格，字符＆amp;数

Question

street = (EditText) findViewById(R.id.street);
InputFilter filter = new InputFilter() {
    public CharSequence filter(CharSequence source, int start, int end,Spanned dest, int dstart, int dend) { 
        for (int i = start; i < end; i++) { 
             if (!Character.isLetterOrDigit(source.charAt(i)) || !Character.isSpaceChar(source.charAt(i))) { 
                 return "";     
             }     
        }
        return null;   
    }  
};
street.setFilters(new InputFilter[] { filter });

我的edittext能够过滤字符＆amp;虚拟键盘上的数字，但不占用空格字符.. plz help

Answer 1

而不是'||'我换成'＆amp;＆amp;'得到了答案......

Answer 2

!Character.isLetterOrDigit(source.charAt(i)) || Character.isSpaceChar(source.charAt(i))

您想要的代码是假设您不想要空白字符而只需要数字或字符。

Answer 3

使用此条件

Storable