<style name="txt_lab" parent="TextAppearance.AppCompat">

        <!-- 默认状态提示颜色和字体-->

        <item name="android:textColorHint">#8c8c8c</item>

        <item name="android:textSize">14sp</item>

        <!-- 下面可以根据需要设置，如果没有将默认使用默认theme的颜色 -->

        <!-- Label标签的颜色 -->

        <item name="colorAccent">#c6174e</item>

        <!-- 默认状态状态设置底线颜色 -->

        <item name="colorControlNormal">#3F51b5</item>

        <!-- 选择的底线颜色 -->

        <item name="colorControlActivated">#c6174e</item>

    </style>

        <android.support.design.widget.TextInputLayout

            android:id="@+id/til_password"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:theme="@style/txt_lab">

            <android.support.v7.widget.AppCompatEditText

                android:id="@+id/acet_password"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:hint="@string/txt_password"

                />

        </android.support.design.widget.TextInputLayout>

    <style name="txt_lab_msg" parent="@android:style/TextAppearance">

        <item name="android:textColor">#c6174e</item>

        <item name="android:textSize">12sp</item>

    </style>

      <android.support.design.widget.TextInputLayout

            android:id="@+id/til_password"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:theme="@style/txt_lab"

            app:errorEnabled="true"

            app:errorTextAppearance="@style/txt_lab_msg"

            >

            <android.support.v7.widget.AppCompatEditText

                android:id="@+id/acet_password"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:hint="@string/txt_password"

                />

        </android.support.design.widget.TextInputLayout>