添加过滤器 在每个有edittext的Activity中 ,都添加如下代码:
InputFilter inputFilter= new InputFilter() {
Pattern emoji = pile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]",
Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
Matcher emojiMatcher = emoji.matcher(source);
if (emojiMatcher.find()) {
// Toast.makeText(MainActivity.this,"不支持输入表情", 0).show();
Toast.makeText(MainActivity.this,"不支持输入表情",Toast.LENGTH_LONG).show();
return "";
}
return null;
}
};
使用如下:
EditText one = findViewById(R.id.edit_one);
//给editText设置filter
one.setFilters(new InputFilter[]{inputFilter});
这个方法能过滤掉绝大多数的表情符 但极其个别的可能有问题