Files
packages_apps_Settings/src/com/android/settings/development/graphicsdriver/GraphicsDriverSystemPropertiesWrapper.java
Sunny Shao 076ed573eb Revert^2 "Nullability Annotations replacement"
This reverts commit 19d1d3d15d.

Reason for revert: revert it because this is not the root cause.

bug: 316867690
Change-Id: I0f168dbb64044aa720202af7b1040afd4f028c9c
2024-01-10 07:34:01 +00:00

56 lines
2.0 KiB
Java

/*
* Copyright (C) 2023 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 com.android.settings.development.graphicsdriver;
import android.os.SystemProperties;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
/**
* Wrapper interface to access {@link SystemProperties}.
*
* @hide
*/
interface GraphicsDriverSystemPropertiesWrapper {
/**
* Get the String value for the given {@code key}.
*
* @param key the key to lookup
* @param def the default value in case the property is not set or empty
* @return if the {@code key} isn't found, return {@code def} if it isn't null, or an empty
* string otherwise
*/
@NonNull
String get(@NonNull String key, @Nullable String def);
/**
* Set the value for the given {@code key} to {@code val}.
*
* @throws IllegalArgumentException if the {@code val} exceeds 91 characters
* @throws RuntimeException if the property cannot be set, for example, if it was blocked by
* SELinux. libc will log the underlying reason.
*/
void set(@NonNull String key, @Nullable String val);
/**
* Get the boolean value for the given {@code key}.
*
* @param key the key to lookup
* @param def the default value in case the property is not set or empty
* @return if the {@code key} isn't found, return {@code def}.
*/
boolean getBoolean(@NonNull String key, @NonNull boolean def);
}