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/*
* 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);
}
}
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