1 /* 2 * Copyright (C) 2022 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.sdksandbox; 18 19 import android.util.Log; 20 21 /** 22 * Utility class for logging behind {@link Log#isLoggable} check. 23 * 24 * <p>Logging can be enabled by running {@code adb shell setprop persist.log.tag.SDK_SANDBOX DEBUG} 25 * or individual tag used while logging with {@link LogUtil}. 26 * 27 * @hide 28 */ 29 public class LogUtil { 30 31 public static final String GUARD_TAG = "SDK_SANDBOX"; 32 33 /** Log the message as VERBOSE. Return The number of bytes written. */ v(String tag, String msg)34 public static int v(String tag, String msg) { 35 if (Log.isLoggable(GUARD_TAG, Log.VERBOSE) || Log.isLoggable(tag, Log.VERBOSE)) { 36 return Log.v(tag, msg); 37 } 38 return 0; 39 } 40 41 /** Log the message as DEBUG. Return The number of bytes written. */ d(String tag, String msg)42 public static int d(String tag, String msg) { 43 if (Log.isLoggable(GUARD_TAG, Log.DEBUG) || Log.isLoggable(tag, Log.DEBUG)) { 44 return Log.d(tag, msg); 45 } 46 return 0; 47 } 48 } 49