android format edittext to display spaces after every 4 characters

Question

Android - I want to get a number input from the user into an EditText - it needs to be separated by spaces - every 4 characters. Example: 123456781234 -> 1234 5678 1234

Answer 1

If someone still looking for answer, check format-edit-text library

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        final FormatEditText editText1 = findViewById(R.id.edit_text_1);
        editText1.setFormat("---- ---- ---- ----");
    }
}

Reference https://stackoverflow.com/a/59742478/1679946