1 /* 2 * Copyright (C) 2008 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.style; 18 19 import android.text.TextPaint; 20 import android.view.View; 21 22 /** 23 * If an object of this type is attached to the text of a TextView 24 * with a movement method of LinkMovementMethod, the affected spans of 25 * text can be selected. If clicked, the {@link #onClick} method will 26 * be called. 27 */ 28 public abstract class ClickableSpan extends CharacterStyle implements UpdateAppearance { 29 30 /** 31 * Performs the click action associated with this span. 32 */ onClick(View widget)33 public abstract void onClick(View widget); 34 35 /** 36 * Makes the text underlined and in the link color. 37 */ 38 @Override updateDrawState(TextPaint ds)39 public void updateDrawState(TextPaint ds) { 40 ds.setColor(ds.linkColor); 41 ds.setUnderlineText(true); 42 } 43 } 44