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Android example source code file (Spanned.java)
The Spanned.java Android example source code/* * Copyright (C) 2006 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 android.text; /** * This is the interface for text that has markup objects attached to * ranges of it. Not all text classes have mutable markup or text; * see {@link Spannable} for mutable markup and {@link Editable} for * mutable text. */ public interface Spanned extends CharSequence { /** * Bitmask of bits that are relevent for controlling point/mark behavior * of spans. */ public static final int SPAN_POINT_MARK_MASK = 0x33; /** * 0-length spans with type SPAN_MARK_MARK behave like text marks: * they remain at their original offset when text is inserted * at that offset. */ public static final int SPAN_MARK_MARK = 0x11; /** * SPAN_MARK_POINT is a synonym for {@link #SPAN_INCLUSIVE_INCLUSIVE}. */ public static final int SPAN_MARK_POINT = 0x12; /** * SPAN_POINT_MARK is a synonym for {@link #SPAN_EXCLUSIVE_EXCLUSIVE}. */ public static final int SPAN_POINT_MARK = 0x21; /** * 0-length spans with type SPAN_POINT_POINT behave like cursors: * they are pushed forward by the length of the insertion when text * is inserted at their offset. */ public static final int SPAN_POINT_POINT = 0x22; /** * SPAN_PARAGRAPH behaves like SPAN_INCLUSIVE_EXCLUSIVE * (SPAN_MARK_MARK), except that if either end of the span is * at the end of the buffer, that end behaves like _POINT * instead (so SPAN_INCLUSIVE_INCLUSIVE if it starts in the * middle and ends at the end, or SPAN_EXCLUSIVE_INCLUSIVE * if it both starts and ends at the end). * <p> * Its endpoints must be the start or end of the buffer or * immediately after a \n character, and if the \n * that anchors it is deleted, the endpoint is pulled to the * next \n that follows in the buffer (or to the end of * the buffer). */ public static final int SPAN_PARAGRAPH = 0x33; /** * Non-0-length spans of type SPAN_INCLUSIVE_EXCLUSIVE expand * to include text inserted at their starting point but not at their * ending point. When 0-length, they behave like marks. */ public static final int SPAN_INCLUSIVE_EXCLUSIVE = SPAN_MARK_MARK; /** * Spans of type SPAN_INCLUSIVE_INCLUSIVE expand * to include text inserted at either their starting or ending point. */ public static final int SPAN_INCLUSIVE_INCLUSIVE = SPAN_MARK_POINT; /** * Spans of type SPAN_EXCLUSIVE_EXCLUSIVE do not expand * to include text inserted at either their starting or ending point. * They can never have a length of 0 and are automatically removed * from the buffer if all the text they cover is removed. */ public static final int SPAN_EXCLUSIVE_EXCLUSIVE = SPAN_POINT_MARK; /** * Non-0-length spans of type SPAN_INCLUSIVE_EXCLUSIVE expand * to include text inserted at their ending point but not at their * starting point. When 0-length, they behave like points. */ public static final int SPAN_EXCLUSIVE_INCLUSIVE = SPAN_POINT_POINT; /** * This flag is set on spans that are being used to apply temporary * styling information on the composing text of an input method, so that * they can be found and removed when the composing text is being * replaced. */ public static final int SPAN_COMPOSING = 0x100; /** * This flag will be set for intermediate span changes, meaning there * is guaranteed to be another change following it. Typically it is * used for {@link Selection} which automatically uses this with the first * offset it sets when updating the selection. */ public static final int SPAN_INTERMEDIATE = 0x200; /** * The bits numbered SPAN_USER_SHIFT and above are available * for callers to use to store scalar data associated with their * span object. */ public static final int SPAN_USER_SHIFT = 24; /** * The bits specified by the SPAN_USER bitfield are available * for callers to use to store scalar data associated with their * span object. */ public static final int SPAN_USER = 0xFFFFFFFF << SPAN_USER_SHIFT; /** * The bits numbered just above SPAN_PRIORITY_SHIFT determine the order * of change notifications -- higher numbers go first. You probably * don't need to set this; it is used so that when text changes, the * text layout gets the chance to update itself before any other * callbacks can inquire about the layout of the text. */ public static final int SPAN_PRIORITY_SHIFT = 16; /** * The bits specified by the SPAN_PRIORITY bitmap determine the order * of change notifications -- higher numbers go first. You probably * don't need to set this; it is used so that when text changes, the * text layout gets the chance to update itself before any other * callbacks can inquire about the layout of the text. */ public static final int SPAN_PRIORITY = 0xFF << SPAN_PRIORITY_SHIFT; /** * Return an array of the markup objects attached to the specified * slice of this CharSequence and whose type is the specified type * or a subclass of it. Specify Object.class for the type if you * want all the objects regardless of type. */ public <T> T[] getSpans(int start, int end, Class Other Android examples (source code examples)Here is a short list of links related to this Android Spanned.java source code file: |
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