1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.text;
18 
19 
20 /**
21  * This is the class for text whose content is immutable but to which
22  * markup objects can be attached and detached.
23  * For mutable text, see {@link SpannableStringBuilder}.
24  */
25 public class SpannableString
26 extends SpannableStringInternal
27 implements CharSequence, GetChars, Spannable
28 {
SpannableString(CharSequence source)29     public SpannableString(CharSequence source) {
30         super(source, 0, source.length());
31     }
32 
SpannableString(CharSequence source, int start, int end)33     private SpannableString(CharSequence source, int start, int end) {
34         super(source, start, end);
35     }
36 
valueOf(CharSequence source)37     public static SpannableString valueOf(CharSequence source) {
38         if (source instanceof SpannableString) {
39             return (SpannableString) source;
40         } else {
41             return new SpannableString(source);
42         }
43     }
44 
setSpan(Object what, int start, int end, int flags)45     public void setSpan(Object what, int start, int end, int flags) {
46         super.setSpan(what, start, end, flags);
47     }
48 
removeSpan(Object what)49     public void removeSpan(Object what) {
50         super.removeSpan(what);
51     }
52 
subSequence(int start, int end)53     public final CharSequence subSequence(int start, int end) {
54         return new SpannableString(this, start, end);
55     }
56 }
57