New AppStorageRepository to format app size (1a655df7) · Commits · e / os / android_frameworks_base

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/framework/common/BytesFormatter.kt

+16 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import android.icu.text.NumberFormat
		import android.icu.text.UnicodeSet
		import android.icu.text.UnicodeSetSpanner
		import android.icu.util.Measure
		import android.text.BidiFormatter
		import android.text.format.Formatter
		import android.text.format.Formatter.RoundedBytesResult
		import java.math.BigDecimal
		@@ -40,11 +41,17 @@ class BytesFormatter(resources: Resources) {
		constructor(context: Context) : this(context.resources)

		private val locale = resources.configuration.locales[0]
		private val bidiFormatter = BidiFormatter.getInstance(locale)

		fun format(bytes: Long, useCase: UseCase): String {
		val rounded = RoundedBytesResult.roundBytes(bytes, useCase.flag)
		val numberFormatter = getNumberFormatter(rounded.fractionDigits)
		return numberFormatter.formatRoundedBytesResult(rounded)
		val formattedString = numberFormatter.formatRoundedBytesResult(rounded)
		return if (useCase == UseCase.FileSize) {
		formattedString.bidiWrap()
		} else {
		formattedString
		}
		}

		fun formatWithUnits(bytes: Long, useCase: UseCase): Result {
		@@ -74,6 +81,14 @@ class BytesFormatter(resources: Resources) {
		}
		}

		/** Wraps the source string in bidi formatting characters in RTL locales. */
		private fun String.bidiWrap(): String =
		if (bidiFormatter.isRtlContext) {
		bidiFormatter.unicodeWrap(this)
		} else {
		this
		}

		private companion object {
		fun String.removeFirst(removed: String): String =
		SPACES_AND_CONTROLS.trim(replaceFirst(removed, "")).toString()

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepository.kt

0 → 100644

+92 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.settingslib.spaprivileged.model.app

		import android.content.Context
		import android.content.pm.ApplicationInfo
		import android.util.Log
		import com.android.settingslib.spaprivileged.framework.common.BytesFormatter
		import com.android.settingslib.spaprivileged.framework.common.storageStatsManager

		/** A repository interface for accessing and formatting app storage information. */
		interface AppStorageRepository {
		/**
		* Formats the size of an application into a human-readable string.
		*
		* This function retrieves the total size of the application, including APK file and its
		* associated data.
		*
		* This function takes an [ApplicationInfo] object as input and returns a formatted string
		* representing the size of the application. The size is formatted in units like kB, MB, GB,
		* etc.
		*
		* @param app The [ApplicationInfo] object representing the application.
		* @return A formatted string representing the size of the application.
		*/
		fun formatSize(app: ApplicationInfo): String

		/**
		* Formats the size about an application into a human-readable string.
		*
		* @param sizeBytes The size in bytes to format.
		* @return A formatted string representing the size about application.
		*/
		fun formatSizeBytes(sizeBytes: Long): String

		/**
		* Calculates the size of an application in bytes.
		*
		* This function retrieves the total size of the application, including APK file and its
		* associated data.
		*
		* @param app The [ApplicationInfo] object representing the application.
		* @return The total size of the application in bytes, or null if the size could not be
		* determined.
		*/
		fun calculateSizeBytes(app: ApplicationInfo): Long?
		}

		class AppStorageRepositoryImpl(context: Context) : AppStorageRepository {
		private val storageStatsManager = context.storageStatsManager
		private val bytesFormatter = BytesFormatter(context)

		override fun formatSize(app: ApplicationInfo): String {
		val sizeBytes = calculateSizeBytes(app)
		return if (sizeBytes != null) formatSizeBytes(sizeBytes) else ""
		}

		override fun formatSizeBytes(sizeBytes: Long): String =
		bytesFormatter.format(sizeBytes, BytesFormatter.UseCase.FileSize)

		override fun calculateSizeBytes(app: ApplicationInfo): Long? =
		try {
		val stats =
		storageStatsManager.queryStatsForPackage(
		app.storageUuid,
		app.packageName,
		app.userHandle,
		)
		stats.codeBytes + stats.dataBytes
		} catch (e: Exception) {
		Log.w(TAG, "Failed to query stats", e)
		null
		}

		companion object {
		private const val TAG = "AppStorageRepository"
		}
		}

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppStorageSize.kt

+14 −26

Original line number	Diff line number	Diff line
		@@ -16,42 +16,30 @@

		package com.android.settingslib.spaprivileged.template.app

		import android.content.Context
		import android.content.pm.ApplicationInfo
		import android.text.format.Formatter
		import android.util.Log
		import androidx.annotation.VisibleForTesting
		import androidx.compose.runtime.Composable
		import androidx.compose.runtime.State
		import androidx.compose.runtime.remember
		import androidx.compose.ui.platform.LocalContext
		import androidx.lifecycle.compose.collectAsStateWithLifecycle
		import com.android.settingslib.spaprivileged.framework.common.storageStatsManager
		import com.android.settingslib.spa.framework.compose.rememberContext
		import com.android.settingslib.spaprivileged.framework.compose.placeholder
		import com.android.settingslib.spaprivileged.model.app.userHandle
		import com.android.settingslib.spaprivileged.model.app.AppStorageRepository
		import com.android.settingslib.spaprivileged.model.app.AppStorageRepositoryImpl
		import kotlinx.coroutines.Dispatchers
		import kotlinx.coroutines.flow.flow
		import kotlinx.coroutines.flow.flowOn

		private const val TAG = "AppStorageSize"

		@Composable
		fun ApplicationInfo.getStorageSize(): State<String> {
		val context = LocalContext.current
		return remember(this) {
		flow {
		val sizeBytes = calculateSizeBytes(context)
		this.emit(if (sizeBytes != null) Formatter.formatFileSize(context, sizeBytes) else "")
		}.flowOn(Dispatchers.IO)
		}.collectAsStateWithLifecycle(initialValue = placeholder())
		}
		fun ApplicationInfo.getStorageSize(): State<String> =
		getStorageSize(rememberContext(::AppStorageRepositoryImpl))

		fun ApplicationInfo.calculateSizeBytes(context: Context): Long? {
		val storageStatsManager = context.storageStatsManager
		return try {
		val stats = storageStatsManager.queryStatsForPackage(storageUuid, packageName, userHandle)
		stats.codeBytes + stats.dataBytes
		} catch (e: Exception) {
		Log.w(TAG, "Failed to query stats: $e")
		null
		@VisibleForTesting
		@Composable
		fun ApplicationInfo.getStorageSize(appStorageRepository: AppStorageRepository): State<String> {
		val app = this
		return remember(app) {
		flow { emit(appStorageRepository.formatSize(app)) }.flowOn(Dispatchers.Default)
		}
		.collectAsStateWithLifecycle(initialValue = placeholder())
		}

packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepositoryTest.kt

0 → 100644

+94 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.settingslib.spaprivileged.model.app

		import android.app.usage.StorageStats
		import android.app.usage.StorageStatsManager
		import android.content.Context
		import android.content.pm.ApplicationInfo
		import android.content.pm.PackageManager.NameNotFoundException
		import androidx.test.core.app.ApplicationProvider
		import androidx.test.ext.junit.runners.AndroidJUnit4
		import com.android.settingslib.spaprivileged.framework.common.storageStatsManager
		import com.google.common.truth.Truth.assertThat
		import org.junit.Test
		import org.junit.runner.RunWith
		import org.mockito.kotlin.doReturn
		import org.mockito.kotlin.doThrow
		import org.mockito.kotlin.mock
		import org.mockito.kotlin.spy
		import org.mockito.kotlin.stub
		import java.util.UUID

		@RunWith(AndroidJUnit4::class)
		class AppStorageRepositoryTest {
		private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() }

		private val mockStorageStatsManager =
		mock<StorageStatsManager> {
		on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doReturn
		STATS
		}

		private val context: Context =
		spy(ApplicationProvider.getApplicationContext()) {
		on { storageStatsManager } doReturn mockStorageStatsManager
		}

		private val repository = AppStorageRepositoryImpl(context)

		@Test
		fun calculateSizeBytes() {
		val sizeBytes = repository.calculateSizeBytes(app)

		assertThat(sizeBytes).isEqualTo(120)
		}

		@Test
		fun formatSize() {
		val fileSize = repository.formatSize(app)

		assertThat(fileSize).isEqualTo("120 byte")
		}

		@Test
		fun formatSize_throwException() {
		mockStorageStatsManager.stub {
		on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doThrow
		NameNotFoundException()
		}

		val fileSize = repository.formatSize(app)

		assertThat(fileSize).isEqualTo("")
		}

		@Test
		fun formatSizeBytes() {
		val fileSize = repository.formatSizeBytes(120)

		assertThat(fileSize).isEqualTo("120 byte")
		}

		companion object {
		private val STATS =
		StorageStats().apply {
		codeBytes = 100
		dataBytes = 20
		}
		}
		}

packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/template/app/AppStorageSizeTest.kt

+12 −73

Original line number	Diff line number	Diff line
		@@ -16,98 +16,37 @@

		package com.android.settingslib.spaprivileged.template.app

		import android.app.usage.StorageStats
		import android.app.usage.StorageStatsManager
		import android.content.Context
		import android.content.pm.ApplicationInfo
		import android.content.pm.PackageManager.NameNotFoundException
		import androidx.compose.runtime.CompositionLocalProvider
		import androidx.compose.ui.platform.LocalContext
		import androidx.compose.ui.test.junit4.createComposeRule
		import androidx.test.core.app.ApplicationProvider
		import androidx.test.ext.junit.runners.AndroidJUnit4
		import com.android.settingslib.spa.framework.compose.stateOf
		import com.android.settingslib.spaprivileged.framework.common.storageStatsManager
		import com.android.settingslib.spaprivileged.model.app.userHandle
		import java.util.UUID
		import org.junit.Before
		import com.android.settingslib.spaprivileged.model.app.AppStorageRepository
		import org.junit.Rule
		import org.junit.Test
		import org.junit.runner.RunWith
		import org.mockito.Mock
		import org.mockito.Spy
		import org.mockito.junit.MockitoJUnit
		import org.mockito.junit.MockitoRule
		import org.mockito.kotlin.whenever
		import org.mockito.kotlin.doReturn
		import org.mockito.kotlin.mock
		import java.util.UUID

		@RunWith(AndroidJUnit4::class)
		class AppStorageSizeTest {
		@get:Rule
		val mockito: MockitoRule = MockitoJUnit.rule()

		@get:Rule
		val composeTestRule = createComposeRule()
		@get:Rule val composeTestRule = createComposeRule()

		@Spy
		private val context: Context = ApplicationProvider.getApplicationContext()
		private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() }

		@Mock
		private lateinit var storageStatsManager: StorageStatsManager

		private val app = ApplicationInfo().apply {
		storageUuid = UUID.randomUUID()
		}

		@Before
		fun setUp() {
		whenever(context.storageStatsManager).thenReturn(storageStatsManager)
		whenever(
		storageStatsManager.queryStatsForPackage(
		app.storageUuid,
		app.packageName,
		app.userHandle,
		)
		).thenReturn(STATS)
		}
		private val mockAppStorageRepository =
		mock<AppStorageRepository> { on { formatSize(app) } doReturn SIZE }

		@Test
		fun getStorageSize() {
		var storageSize = stateOf("")

		composeTestRule.setContent {
		CompositionLocalProvider(LocalContext provides context) {
		storageSize = app.getStorageSize()
		}
		}
		composeTestRule.setContent { storageSize = app.getStorageSize(mockAppStorageRepository) }

		composeTestRule.waitUntil { storageSize.value == "120 B" }
		composeTestRule.waitUntil { storageSize.value == SIZE }
		}

		@Test
		fun getStorageSize_throwException() {
		var storageSize = stateOf("Computing")
		whenever(
		storageStatsManager.queryStatsForPackage(
		app.storageUuid,
		app.packageName,
		app.userHandle,
		)
		).thenThrow(NameNotFoundException())

		composeTestRule.setContent {
		CompositionLocalProvider(LocalContext provides context) {
		storageSize = app.getStorageSize()
		}
		}

		composeTestRule.waitUntil { storageSize.value == "" }
		}

		companion object {
		private val STATS = StorageStats().apply {
		codeBytes = 100
		dataBytes = 20
		cacheBytes = 3
		}
		private companion object {
		const val SIZE = "120 kB"
		}
		}