1 /* 2 * Copyright (C) 2010 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.view; 18 19 /** 20 * Handles input messages that arrive on an input channel. 21 * @hide 22 */ 23 public interface InputHandler { 24 /** 25 * Handle a key event. 26 * It is the responsibility of the callee to ensure that the finished callback is 27 * eventually invoked when the event processing is finished and the input system 28 * can send the next event. 29 * @param event The key event data. 30 * @param finishedCallback The callback to invoke when event processing is finished. 31 */ 32 public void handleKey(KeyEvent event, Runnable finishedCallback); 33 34 /** 35 * Handle a motion event. 36 * It is the responsibility of the callee to ensure that the finished callback is 37 * eventually invoked when the event processing is finished and the input system 38 * can send the next event. 39 * @param event The motion event data. 40 * @param finishedCallback The callback to invoke when event processing is finished. 41 */ 42 public void handleMotion(MotionEvent event, Runnable finishedCallback); 43 } 44