| /* |
| * Copyright (C) 2018 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.app.timedetector; |
| |
| import android.annotation.NonNull; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemService; |
| import android.content.Context; |
| import android.os.SystemClock; |
| import android.os.TimestampedValue; |
| |
| /** |
| * The interface through which system components can send signals to the TimeDetectorService. |
| * |
| * @hide |
| */ |
| @SystemService(Context.TIME_DETECTOR_SERVICE) |
| public interface TimeDetector { |
| |
| /** |
| * A shared utility method to create a {@link ManualTimeSuggestion}. |
| * |
| * @hide |
| */ |
| static ManualTimeSuggestion createManualTimeSuggestion(long when, String why) { |
| TimestampedValue<Long> utcTime = |
| new TimestampedValue<>(SystemClock.elapsedRealtime(), when); |
| ManualTimeSuggestion manualTimeSuggestion = new ManualTimeSuggestion(utcTime); |
| manualTimeSuggestion.addDebugInfo(why); |
| return manualTimeSuggestion; |
| } |
| |
| /** |
| * Suggests a telephony-signal derived time to the detector. The detector may ignore the signal |
| * if better signals are available such as those that come from more reliable sources or were |
| * determined more recently. |
| */ |
| @RequiresPermission(android.Manifest.permission.SUGGEST_TELEPHONY_TIME_AND_ZONE) |
| void suggestTelephonyTime(@NonNull TelephonyTimeSuggestion timeSuggestion); |
| |
| /** |
| * Suggests the user's manually entered current time to the detector. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.SUGGEST_MANUAL_TIME_AND_ZONE) |
| void suggestManualTime(@NonNull ManualTimeSuggestion timeSuggestion); |
| |
| /** |
| * Suggests the time according to a network time source like NTP. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.SET_TIME) |
| void suggestNetworkTime(NetworkTimeSuggestion timeSuggestion); |
| } |