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 package com.android.compatibility.common.tradefed.targetprep; 17 18 import com.android.tradefed.build.IBuildInfo; 19 import com.android.tradefed.config.OptionClass; 20 import com.android.tradefed.device.DeviceNotAvailableException; 21 import com.android.tradefed.device.ITestDevice; 22 import com.android.tradefed.targetprep.BuildError; 23 import com.android.tradefed.targetprep.TargetSetupError; 24 25 /** 26 * Modifies the 'Stay Awake' setting of the device, so that the device's screen stays on 27 * whenever charging via USB 28 */ 29 @OptionClass(alias="stay-awake-preparer") 30 public class StayAwakePreparer extends SettingsPreparer { 31 32 private static final String STAY_AWAKE_SETTING = "stay_on_while_plugged_in"; 33 34 /* 35 * Values that are appropriate for the "Stay Awake" setting while running compatibility tests: 36 * (the second bit must be 'on' to allow screen to stay awake while charging via USB) 37 * 2 - Stay awake while charging via USB 38 * 3 - Stay awake while changing via USB or AC 39 * 6 - Stay awake while charging via USB or Wireless 40 * 7 - Stay awake while charging via USB or AC or Wireless 41 */ 42 private static final String[] STAY_AWAKE_VALUES = new String[] {"2", "3", "6", "7"}; 43 private static final String DEFAULT_VALUE = "7"; 44 45 @Override run(ITestDevice device, IBuildInfo buildInfo)46 public void run(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError, 47 BuildError, DeviceNotAvailableException { 48 49 mSettingName = STAY_AWAKE_SETTING; 50 mSettingType = SettingsPreparer.SettingType.GLOBAL; 51 mSetValue = DEFAULT_VALUE; 52 for (String value : STAY_AWAKE_VALUES) { 53 mExpectedSettingValues.add(value); 54 } 55 super.run(device, buildInfo); 56 } 57 58 } 59