1 /* 2 * Copyright (C) 2014 Google Inc. 3 * Licensed to The Android Open Source Project. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mail.utils; 19 20 import android.text.Spannable; 21 import android.text.Spanned; 22 import android.text.style.URLSpan; 23 import android.view.View; 24 import android.widget.TextView; 25 26 import com.android.mail.text.LinkStyleSpan; 27 28 /** 29 * Utility class for styling UI. 30 */ 31 public class StyleUtils { 32 /** 33 * Removes any {@link android.text.style.URLSpan}s from the text view and replaces them with a 34 * non-underline version {@link LinkStyleSpan} which calls the supplied listener when clicked. 35 */ stripUnderlinesAndLinkUrls(TextView textView, View.OnClickListener onClickListener)36 public static void stripUnderlinesAndLinkUrls(TextView textView, 37 View.OnClickListener onClickListener) { 38 final Spannable spannable = (Spannable) textView.getText(); 39 stripUnderlinesAndLinkUrls(spannable, onClickListener); 40 } 41 42 /** 43 * Removes any {@link android.text.style.URLSpan}s from the Spannable and replaces them with a 44 * non-underline version {@link LinkStyleSpan} which calls the supplied listener when clicked. 45 */ stripUnderlinesAndLinkUrls(Spannable input, View.OnClickListener onClickListener)46 public static void stripUnderlinesAndLinkUrls(Spannable input, 47 View.OnClickListener onClickListener) { 48 final URLSpan[] urls = input.getSpans(0, input.length(), URLSpan.class); 49 50 for (URLSpan span : urls) { 51 final int start = input.getSpanStart(span); 52 final int end = input.getSpanEnd(span); 53 input.removeSpan(span); 54 input.setSpan(new LinkStyleSpan(onClickListener), start, end, 55 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 56 } 57 } 58 59 /** 60 * Removes any {@link android.text.style.URLSpan}s from the text view and replaces them with a 61 * non-underline version {@link LinkStyleSpan} that does nothing when clicked. 62 */ stripUnderlinesAndUrl(TextView textView)63 public static void stripUnderlinesAndUrl(TextView textView) { 64 stripUnderlinesAndLinkUrls(textView, null /* onClickListener */); 65 } 66 } 67