content: /*
   * Copyright (C) 2006 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.text.style;
  
  import android.annotation.NonNull;
  import android.os.Parcel;
  import android.text.ParcelableSpan;
  import android.text.TextPaint;
  import android.text.TextUtils;
  
  /**
   * A span that underlines the text it's attached to.
   * <p>
   * The span can be used like this:
   * <pre>{@code
   * SpannableString string = new SpannableString("Text with underline span");
   *string.setSpan(new UnderlineSpan(), 10, 19, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);}</pre>
   * <img src="{@docRoot}reference/android/images/text/style/underlinespan.png" />
   * <figcaption>Underlined text.</figcaption>
   */
  public class UnderlineSpan extends CharacterStyle
          implements UpdateAppearance, ParcelableSpan {
  
      /**
       * Creates an {@link UnderlineSpan}.
       */
      public UnderlineSpan() {
      }
  
      /**
       * Creates an {@link UnderlineSpan} from a parcel.
       */
      public UnderlineSpan(@NonNull Parcel src) {
      }
  
      @Override
      public int getSpanTypeId() {
          return getSpanTypeIdInternal();
      }
  
      /** @hide */
      @Override
      public int getSpanTypeIdInternal() {
          return TextUtils.UNDERLINE_SPAN;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(@NonNull Parcel dest, int flags) {
          writeToParcelInternal(dest, flags);
      }
  
      /** @hide */
      @Override
      public void writeToParcelInternal(@NonNull Parcel dest, int flags) {
      }
  
      @Override
      public void updateDrawState(@NonNull TextPaint ds) {
          ds.setUnderlineText(true);
      }
  }
  