1 /* 2 * Copyright (C) 2018 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 17 package com.android.settings.deviceinfo; 18 19 import android.content.Context; 20 import android.os.storage.StorageManager; 21 import android.text.format.Formatter; 22 23 import androidx.preference.Preference; 24 25 import com.android.settings.R; 26 import com.android.settings.core.BasePreferenceController; 27 import com.android.settingslib.deviceinfo.PrivateStorageInfo; 28 import com.android.settingslib.deviceinfo.StorageManagerVolumeProvider; 29 import com.android.settingslib.utils.ThreadUtils; 30 31 import java.text.NumberFormat; 32 33 public class TopLevelStoragePreferenceController extends BasePreferenceController { 34 35 private final StorageManager mStorageManager; 36 private final StorageManagerVolumeProvider mStorageManagerVolumeProvider; 37 TopLevelStoragePreferenceController(Context context, String preferenceKey)38 public TopLevelStoragePreferenceController(Context context, String preferenceKey) { 39 super(context, preferenceKey); 40 mStorageManager = mContext.getSystemService(StorageManager.class); 41 mStorageManagerVolumeProvider = new StorageManagerVolumeProvider(mStorageManager); 42 } 43 44 @Override getAvailabilityStatus()45 public int getAvailabilityStatus() { 46 return AVAILABLE_UNSEARCHABLE; 47 } 48 49 @Override refreshSummary(Preference preference)50 protected void refreshSummary(Preference preference) { 51 if (preference == null) { 52 return; 53 } 54 55 ThreadUtils.postOnBackgroundThread(() -> { 56 final NumberFormat percentageFormat = NumberFormat.getPercentInstance(); 57 final PrivateStorageInfo info = PrivateStorageInfo.getPrivateStorageInfo( 58 mStorageManagerVolumeProvider); 59 final double privateUsedBytes = info.totalBytes - info.freeBytes; 60 61 ThreadUtils.postOnMainThread(() -> { 62 preference.setSummary(mContext.getString(R.string.storage_summary, 63 percentageFormat.format(privateUsedBytes / info.totalBytes), 64 Formatter.formatFileSize(mContext, info.freeBytes))); 65 }); 66 }); 67 } 68 } 69