| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.util; |
| |
| /** |
| * Logging access for platform metrics. |
| * |
| * <p>This is <b>not</b> the main "logcat" debugging log ({@link android.util.Log})! |
| * These diagnostic stats are for system integrators, not application authors. |
| * |
| * <p>Stats use integer tag codes. |
| * They carry a payload of one or more int, long, or String values. |
| * @hide |
| */ |
| public class StatsLog { |
| /** @hide */ public StatsLog() {} |
| |
| private static final String TAG = "StatsLog"; |
| |
| // We assume that the native methods deal with any concurrency issues. |
| |
| /** |
| * Records an stats log message. |
| * @param tag The stats type tag code |
| * @param value A value to log |
| * @return The number of bytes written |
| */ |
| public static native int writeInt(int tag, int value); |
| |
| /** |
| * Records an stats log message. |
| * @param tag The stats type tag code |
| * @param value A value to log |
| * @return The number of bytes written |
| */ |
| public static native int writeLong(int tag, long value); |
| |
| /** |
| * Records an stats log message. |
| * @param tag The stats type tag code |
| * @param value A value to log |
| * @return The number of bytes written |
| */ |
| public static native int writeFloat(int tag, float value); |
| |
| /** |
| * Records an stats log message. |
| * @param tag The stats type tag code |
| * @param str A value to log |
| * @return The number of bytes written |
| */ |
| public static native int writeString(int tag, String str); |
| |
| /** |
| * Records an stats log message. |
| * @param tag The stats type tag code |
| * @param list A list of values to log. All values should |
| * be of type int, long, float or String. |
| * @return The number of bytes written |
| */ |
| public static native int writeArray(int tag, Object... list); |
| } |