| /* |
| * 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); |
| } |
| } |