1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 package android.speech.tts; 17 18 /** 19 * Defines additional methods the synthesis callback must implement that 20 * are private to the TTS service implementation. 21 */ 22 abstract class AbstractSynthesisCallback implements SynthesisCallback { 23 /** 24 * Checks whether the synthesis request completed successfully. 25 */ isDone()26 abstract boolean isDone(); 27 28 /** 29 * Aborts the speech request. 30 * 31 * Can be called from multiple threads. 32 */ stop()33 abstract void stop(); 34 } 35