InputFilter[] Textfilters = new InputFilter[1];
Textfilters[0] = new InputFilter(){
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (end > start) {
String myString = " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
char[] acceptedChars = myString.toCharArray();
for (int index = start; index < end; index++) {
if (!new String(acceptedChars).contains(String.valueOf(source.charAt(index)))) {
return "";
}
}
}
return null;
}
};
edt_relationship.setFilters(Textfilters);