show basic app info

[kkoshin]

• build branch+commit id
• target android version

[kkoshin]

list major features in each Android version

[kkoshin]

query app file/cache storage

LaunchedEffect(Unit) {
        internalFileSize = context.filesDir.getFolderSize()
        externalFileSize = context.getExternalFilesDir(null)!!.getFolderSize()
        val storageStatsManager =
            context.getSystemService(Context.STORAGE_STATS_SERVICE) as StorageStatsManager
        val storageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
        withContext(Dispatchers.IO) {
            val storageVolumes: List<StorageVolume> = storageManager.storageVolumes
            val user = Process.myUserHandle()
            for (storageVolume: StorageVolume in storageVolumes) {
                val uuidStr = storageVolume.uuid
                val uuid =
                    if (uuidStr == null) StorageManager.UUID_DEFAULT else UUID.fromString(uuidStr)

                val storageStats: StorageStats =
                    storageStatsManager.queryStatsForPackage(uuid, context.packageName, user)

                kotlin.runCatching {
                    debugLog {
                        """
                    ${"storage:" + uuid + " : " + storageVolume.getDescription(context) + " : " + storageVolume.state} 
                    getAppBytes: ${storageStats.appBytes.bytesToMB()} MB
                    getDataBytes: ${storageStats.dataBytes.bytesToMB()} MB
                    getCacheBytes: ${storageStats.cacheBytes.bytesToMB()} MB
                    """.trimIndent()
                    }
                }
            }
        }