android - 在edittext中输入值后TextInputLayout错误

Question

如何在 EditText 中输入一个文本后隐藏 TextInputLayout 错误。可能吗？

我怎样才能做到这一点，否则我在这里做错了。!!

代码

    layoutEdtPhone =(TextInputLayout)rootView.findViewById(R.id.layoutEdtPhone);
    layoutEdtPhone.setErrorEnabled(true);
    layoutEdtPhone.setError(getString(R.string.ui_no_phone_toast));
    layoutEdtPassword =   (TextInputLayout)rootView.findViewById(R.id.layoutEdtPassword);
    layoutEdtPassword.setErrorEnabled(true);
    layoutEdtPassword.setError(getString(R.string.ui_no_password_toast));

    edtPhone=(EditText)rootView.findViewById(R.id.edtPhone);
    edtPassword=(EditText)rootView.findViewById(R.id.edtPassword);

xml

            <EditText
                android:id="@+id/edtPhone"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="100dp"
                android:background="@drawable/edt_background_selector"
                android:drawableLeft="@drawable/phone_icon"
                android:drawableStart="@drawable/phone_icon"
                android:hint="@string/phone"
                android:inputType="phone"
                android:padding="5dip"
                android:singleLine="true"
                android:textSize="14sp" />
        </android.support.design.widget.TextInputLayout>

        <android.support.design.widget.TextInputLayout
            android:id="@+id/layoutEdtPassword"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" >

            <EditText
                android:id="@+id/edtPassword"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:background="@drawable/edt_background_selector"
                android:drawableLeft="@drawable/password_icon"
                android:drawableStart="@drawable/password_icon"
                android:hint="@string/password"
                android:inputType="textPassword"
                android:padding="5dip"
                android:singleLine="true"
                android:textSize="14sp" />
        </android.support.design.widget.TextInputLayout>

Answer 1

为了进一步说明 Prithviraj 给出的答案，TextInputLayout 本身并不进行验证。它只是一种显示错误或提示的机制。您负责设置/清除错误。这是您如何做到这一点的方法。请注意，除了 TextChangedListener 之外，您可能还需要 OnFocusChangeListener 来设置当用户跳转到第二个编辑文本而不对第一个字段进行任何修改时的错误。

protected void onCreate(Bundle savedInstanceState) {
        //.....

        edtPhone.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                validateEditText(s);
            }
        });

        edtPhone.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus) {
                    validateEditText(((EditText) v).getText());
                }
            }
        });
    }

    private void validateEditText(Editable s) {
        if (!TextUtils.isEmpty(s)) {
            layoutEdtPhone.setError(null);
        }
        else{
            layoutEdtPhone.setError(getString(R.string.ui_no_password_toast));
        }
    }
}