Design Android EditText to show error message on floating label hint

Question

I need an EditText that looks like this onError:

calling onError looks like this:

Error message will show on top,floating label hint will change to error message. I tried some methods.but it won't come as per design.

Answer 1

Please try this one bro

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

    inputLayoutEmail = (TextInputLayout) findViewById(R.id.input_layout_email);
    inputLayoutPassword = (TextInputLayout) findViewById(R.id.input_layout_password);

    inputEmail = (EditText) findViewById(R.id.input_email);
    inputPassword = (EditText) findViewById(R.id.input_password);
    btnSignUp = (Button) findViewById(R.id.btn_signup);

    inputEmail.addTextChangedListener(new MyTextWatcher(inputEmail));
    inputPassword.addTextChangedListener(new MyTextWatcher(inputPassword));

    btnSignUp.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            submitForm();
        }
    });
}

private void submitForm() {

    if (!validateEmail()) {
        return;
    }

    if (!validatePassword()) {
        return;
    }
    Toast.makeText(getApplicationContext(), "Thank You!", Toast.LENGTH_SHORT).show();
}

private boolean validateEmail() {

    String email = inputEmail.getText().toString().trim();
    if (email.isEmpty() || !isValidEmail(email)) {
        inputLayoutEmail.setHint(getString(R.string.err_msg_email));
        requestFocus(inputEmail);
        return false;
    } else {
        inputLayoutEmail.setErrorEnabled(false);
        inputLayoutEmail.setHint("Email");
    }

    return true;
}

private boolean validatePassword() {
    if (inputPassword.getText().toString().trim().isEmpty()) {
        inputLayoutPassword.setHint(getString(R.string.err_msg_password));
        requestFocus(inputPassword);
        return false;
    } else {
        inputLayoutPassword.setErrorEnabled(false);
        inputLayoutPassword.setHint("Password");
    }

    return true;
}

private static boolean isValidEmail(String email) {
    return !TextUtils.isEmpty(email) && android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches();
}

private void requestFocus(View view) {
    if (view.requestFocus()) {
        getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
    }
}

private class MyTextWatcher implements TextWatcher {

    private View view;

    private MyTextWatcher(View view) {
        this.view = view;
    }

    public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
    }

    public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
    }

    public void afterTextChanged(Editable editable) {
        switch (view.getId()) {
            case R.id.input_email:
                validateEmail();
                break;
            case R.id.input_password:
                validatePassword();
                break;
        }
    }
}