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 * This is the interface for text to which markup objects can be 21 * attached and detached. Not all Spannable classes have mutable text; 22 * see {@link Editable} for that. 23 */ 24 public interface Spannable 25 extends Spanned 26 { 27 /** 28 * Attach the specified markup object to the range <code>start…end</code> 29 * of the text, or move the object to that range if it was already 30 * attached elsewhere. See {@link Spanned} for an explanation of 31 * what the flags mean. The object can be one that has meaning only 32 * within your application, or it can be one that the text system will 33 * use to affect text display or behavior. Some noteworthy ones are 34 * the subclasses of {@link android.text.style.CharacterStyle} and 35 * {@link android.text.style.ParagraphStyle}, and 36 * {@link android.text.TextWatcher} and 37 * {@link android.text.SpanWatcher}. 38 */ setSpan(Object what, int start, int end, int flags)39 public void setSpan(Object what, int start, int end, int flags); 40 41 /** 42 * Remove the specified object from the range of text to which it 43 * was attached, if any. It is OK to remove an object that was never 44 * attached in the first place. 45 */ removeSpan(Object what)46 public void removeSpan(Object what); 47 48 /** 49 * Factory used by TextView to create new Spannables. You can subclass 50 * it to provide something other than SpannableString. 51 */ 52 public static class Factory { 53 private static Spannable.Factory sInstance = new Spannable.Factory(); 54 55 /** 56 * Returns the standard Spannable Factory. 57 */ getInstance()58 public static Spannable.Factory getInstance() { 59 return sInstance; 60 } 61 62 /** 63 * Returns a new SpannableString from the specified CharSequence. 64 * You can override this to provide a different kind of Spannable. 65 */ newSpannable(CharSequence source)66 public Spannable newSpannable(CharSequence source) { 67 return new SpannableString(source); 68 } 69 } 70 } 71