294b41a883
getPrimaryStorageSize rounds up size by GB, not GiB Bug: 366374130 Change-Id: Idf43c5cee41172d763b6c271042317d151d41a38 Test: build and run
101 lines
3.7 KiB
Java
101 lines
3.7 KiB
Java
/*
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* Copyright 2024 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.settings.development.linuxterminal;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.os.Process;
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import android.os.storage.StorageManager;
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import android.text.TextUtils;
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import android.util.DataUnit;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.VisibleForTesting;
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import com.android.settings.R;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settingslib.development.DeveloperOptionsPreferenceController;
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import java.util.Objects;
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/** Preference controller for Linux terminal option in developers option */
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public class LinuxTerminalPreferenceController extends DeveloperOptionsPreferenceController
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implements PreferenceControllerMixin {
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@VisibleForTesting
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static final int TERMINAL_PACKAGE_NAME_RESID = R.string.config_linux_terminal_app_package_name;
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@VisibleForTesting
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static final long MEMORY_MIN_BYTES = DataUnit.GIGABYTES.toBytes(4); // 4_000_000_000
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@VisibleForTesting
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static final long STORAGE_MIN_BYTES = DataUnit.GIGABYTES.toBytes(128); // 128_000_000_000
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private static final String LINUX_TERMINAL_KEY = "linux_terminal";
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@Nullable private final String mTerminalPackageName;
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private final boolean mIsDeviceCapable;
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public LinuxTerminalPreferenceController(@NonNull Context context) {
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super(context);
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String packageName = context.getString(TERMINAL_PACKAGE_NAME_RESID);
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mTerminalPackageName =
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isPackageInstalled(context.getPackageManager(), packageName) ? packageName : null;
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StorageManager storageManager =
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Objects.requireNonNull(context.getSystemService(StorageManager.class));
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mIsDeviceCapable =
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getTotalMemory() >= MEMORY_MIN_BYTES
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&& storageManager.getPrimaryStorageSize() >= STORAGE_MIN_BYTES;
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}
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// Avoid lazy initialization because this may be called before displayPreference().
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@Override
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public boolean isAvailable() {
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// Check build flag RELEASE_AVF_SUPPORT_CUSTOM_VM_WITH_PARAVIRTUALIZED_DEVICES indirectly
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// by checking whether the terminal app is installed.
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// TODO(b/343795511): Add explicitly check for the flag when it's accessible from Java code.
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return mTerminalPackageName != null && mIsDeviceCapable;
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}
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@Override
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@NonNull
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public String getPreferenceKey() {
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return LINUX_TERMINAL_KEY;
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}
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private static boolean isPackageInstalled(PackageManager manager, String packageName) {
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if (TextUtils.isEmpty(packageName)) {
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return false;
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}
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try {
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return manager.getPackageInfo(
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packageName,
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PackageManager.MATCH_ALL | PackageManager.MATCH_DISABLED_COMPONENTS)
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!= null;
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} catch (PackageManager.NameNotFoundException e) {
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return false;
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}
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}
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// Can be overridden for test
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@VisibleForTesting
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long getTotalMemory() {
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return Process.getTotalMemory();
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}
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}
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