1/* 2 * Copyright (C) 2016 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 */ 16package com.android.settings.core.instrumentation; 17 18import android.content.Context; 19import android.util.Pair; 20 21/** 22 * Generic log writer interface. 23 */ 24public interface LogWriter { 25 26 /** 27 * Logs a visibility event when view becomes visible. 28 */ 29 void visible(Context context, int source, int category); 30 31 /** 32 * Logs a visibility event when view becomes hidden. 33 */ 34 void hidden(Context context, int category); 35 36 /** 37 * Logs an user action. 38 */ 39 void action(Context context, int category, Pair<Integer, Object>... taggedData); 40 41 /** 42 * Logs an user action. 43 */ 44 void actionWithSource(Context context, int source, int category); 45 46 /** 47 * Logs an user action. 48 */ 49 void action(Context context, int category, int value); 50 51 /** 52 * Logs an user action. 53 */ 54 void action(Context context, int category, boolean value); 55 56 /** 57 * Logs an user action. 58 */ 59 void action(Context context, int category, String pkg, Pair<Integer, Object>... taggedData); 60 61 /** 62 * Logs a count. 63 */ 64 void count(Context context, String name, int value); 65 66 /** 67 * Logs a histogram event. 68 */ 69 void histogram(Context context, String name, int bucket); 70} 71