84 lines
3.8 KiB
Java
84 lines
3.8 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.internal.os;
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import android.os.SystemProperties;
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import android.sysprop.CryptoProperties;
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import android.sysprop.HdmiProperties;
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/**
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* This is a cache of various ro.* properties so that they can be read just once
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* at class init time.
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*/
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public class RoSystemProperties {
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public static final boolean DEBUGGABLE =
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SystemProperties.getInt("ro.debuggable", 0) == 1;
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public static final int FACTORYTEST =
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SystemProperties.getInt("ro.factorytest", 0);
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public static final String CONTROL_PRIVAPP_PERMISSIONS =
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SystemProperties.get("ro.control_privapp_permissions");
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public static final boolean SUPPORT_ONE_HANDED_MODE =
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SystemProperties.getBoolean("ro.support_one_handed_mode", /* def= */ false);
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// ------ ro.hdmi.* -------- //
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/**
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* Property to indicate if a CEC audio device should forward volume keys when system audio
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* mode is off.
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*/
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public static final boolean CEC_AUDIO_DEVICE_FORWARD_VOLUME_KEYS_SYSTEM_AUDIO_MODE_OFF =
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HdmiProperties.forward_volume_keys_when_system_audio_mode_off().orElse(false);
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// ------ ro.config.* -------- //
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public static final boolean CONFIG_AVOID_GFX_ACCEL =
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SystemProperties.getBoolean("ro.config.avoid_gfx_accel", false);
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public static final boolean CONFIG_LOW_RAM =
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SystemProperties.getBoolean("ro.config.low_ram", false);
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public static final boolean CONFIG_SMALL_BATTERY =
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SystemProperties.getBoolean("ro.config.small_battery", false);
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/**
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* Indicates whether the device should run in headless system user mode,
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* in which user 0 only runs the system, not a real user.
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* <p>WARNING about changing this value during an non-wiping update (OTA):
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* <li>If this value is modified via an update, the change will have no effect, since an
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* already-existing system user cannot change its mode.
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* <li>Changing this value during an OTA from a pre-R device is not permitted; attempting to
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* do so will corrupt the system user.
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*/
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public static final boolean MULTIUSER_HEADLESS_SYSTEM_USER =
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SystemProperties.getBoolean("ro.fw.mu.headless_system_user", false);
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// ------ ro.crypto.* -------- //
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public static final CryptoProperties.state_values CRYPTO_STATE =
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CryptoProperties.state().orElse(CryptoProperties.state_values.UNSUPPORTED);
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public static final CryptoProperties.type_values CRYPTO_TYPE =
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CryptoProperties.type().orElse(CryptoProperties.type_values.NONE);
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// These are pseudo-properties
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public static final boolean CRYPTO_ENCRYPTED =
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CRYPTO_STATE == CryptoProperties.state_values.ENCRYPTED;
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public static final boolean CRYPTO_FILE_ENCRYPTED =
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CRYPTO_TYPE == CryptoProperties.type_values.FILE;
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public static final boolean CONTROL_PRIVAPP_PERMISSIONS_LOG =
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"log".equalsIgnoreCase(CONTROL_PRIVAPP_PERMISSIONS);
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public static final boolean CONTROL_PRIVAPP_PERMISSIONS_ENFORCE =
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"enforce".equalsIgnoreCase(CONTROL_PRIVAPP_PERMISSIONS);
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public static final boolean CONTROL_PRIVAPP_PERMISSIONS_DISABLE =
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!CONTROL_PRIVAPP_PERMISSIONS_LOG && !CONTROL_PRIVAPP_PERMISSIONS_ENFORCE;
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}
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