EditText maxLength property not applied properly when setFilters is used

Question

When I use setFilter method on an EditText to handle special characters, maxLength property is not working as expected. My code is be

Answer 1

This is because the maxLength property sets an InputFilter on your EditText. By calling EditText.setFilters(new InputFilter[] {}) you are overriding all existing InputFilters including the one used by maxLength.

To fix this, copy the array returned by EditText.getFilters() and add your own to it:

InputFilter[] editFilters = edit.getFilters();
InputFilter[] newFilters = new InputFilter[editFilters.length + 1];
System.arraycopy(editFilters, 0, newFilters, 0, editFilters.length);
newFilters[editFilters.length] = ;
edit.setFilters(newFilters);