1 /* 2 * Copyright (C) 2015 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.app; 18 19 /** {@hide} */ 20 oneway interface IUidObserver { 21 /** 22 * General report of a state change of an uid. 23 * 24 * @param uid The uid for which the state change is being reported. 25 * @param procState The updated process state for the uid. 26 * @param procStateSeq The sequence no. associated with process state change of the uid, 27 * see UidRecord.procStateSeq for details. 28 */ onUidStateChanged(int uid, int procState, long procStateSeq)29 void onUidStateChanged(int uid, int procState, long procStateSeq); 30 31 /** 32 * Report that there are no longer any processes running for a uid. 33 */ onUidGone(int uid, boolean disabled)34 void onUidGone(int uid, boolean disabled); 35 36 /** 37 * Report that a uid is now active (no longer idle). 38 */ onUidActive(int uid)39 void onUidActive(int uid); 40 41 /** 42 * Report that a uid is idle -- it has either been running in the background for 43 * a sufficient period of time, or all of its processes have gone away. 44 */ onUidIdle(int uid, boolean disabled)45 void onUidIdle(int uid, boolean disabled); 46 47 /** 48 * Report when the cached state of a uid has changed. 49 * If true, a uid has become cached -- that is, it has some active processes that are 50 * all in the cached state. It should be doing as little as possible at this point. 51 * If false, that a uid is no longer cached. This will only be called after 52 * onUidCached() has been reported true. It will happen when either one of its actively 53 * running processes is no longer cached, or it no longer has any actively running processes. 54 */ onUidCachedChanged(int uid, boolean cached)55 void onUidCachedChanged(int uid, boolean cached); 56 } 57