Merge "Update Usage statistics string to avoid confusion" into main

    <!-- Spinner label to indicate sort by app name. [CHAR LIMIT=30] -->

    <string name="usage_stats_sort_by_app_name">Sort by app name</string>

    <!-- label for last time used -->

    <string name="last_time_used_label">Last time used</string>

    <string name="last_time_used_label">Last used</string>

    <!-- label for last time used of never opened apps -->

    <string name="last_time_used_never">never</string>

    <!-- label for usage time -->

    <string name="usage_time_label">Usage time</string>

import com.android.settingslib.spaprivileged.model.app.AppListModel

import com.android.settingslib.spaprivileged.model.app.AppRecord

import java.text.DateFormat

import java.time.Duration

import java.util.concurrent.TimeUnit

import kotlinx.coroutines.flow.Flow

import kotlinx.coroutines.flow.combine

    @Composable

    override fun getSummary(option: Int, record: UsageStatsAppRecord): (() -> String)? {

        val usageStats = record.usageStats ?: return null

        val lastTimeUsed = DateUtils.formatSameDayTime(

            usageStats.lastTimeUsed, now, DateFormat.MEDIUM, DateFormat.MEDIUM

        )

        val lastTimeUsedLine = "${context.getString(R.string.last_time_used_label)}: $lastTimeUsed"

        val lastTimeUsedLine =

            "${context.getString(R.string.last_time_used_label)}: ${usageStats.getLastUsedString()}"

        val usageTime = DateUtils.formatElapsedTime(usageStats.totalTimeInForeground / 1000)

        val usageTimeLine = "${context.getString(R.string.usage_time_label)}: $usageTime"

        return { "$lastTimeUsedLine\n$usageTimeLine" }

    }

    private fun UsageStats.getLastUsedString() = when {

        lastTimeUsed < Duration.ofDays(1)

            .toMillis() -> context.getString(R.string.last_time_used_never)

        else -> DateUtils.formatSameDayTime(

            lastTimeUsed,

            now,

            DateFormat.MEDIUM,

            DateFormat.MEDIUM

        )

    }

    private fun getUsageStats(): Map<String, UsageStats> {

        val startTime = now - TimeUnit.DAYS.toMillis(5)