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/*
* Copyright (C) 2016 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 com.android.setupwizardlib.span;
import android.text.Spannable;
/**
* Contains helper methods for dealing with text spans, e.g. the ones in {@code android.text.style}.
*/
public class SpanHelper {
/**
* Add {@code newSpan} at the same start and end indices as {@code oldSpan} and remove {@code
* oldSpan} from the {@code spannable}.
*/
public static void replaceSpan(Spannable spannable, Object oldSpan, Object newSpan) {
final int spanStart = spannable.getSpanStart(oldSpan);
final int spanEnd = spannable.getSpanEnd(oldSpan);
spannable.removeSpan(oldSpan);
spannable.setSpan(newSpan, spanStart, spanEnd, 0);
}
}
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