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2 changes: 1 addition & 1 deletion app/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ android {

defaultConfig {
applicationId "iam.thevoid.epic.timeapp"
minSdk 21
minSdk 26
targetSdk 31
versionCode 1
versionName "1.0"
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182 changes: 166 additions & 16 deletions app/src/main/java/iam/thevoid/epic/timeapp/MainActivity.kt
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Original file line number Diff line number Diff line change
@@ -1,10 +1,20 @@
package iam.thevoid.epic.timeapp

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.widget.Button
import android.widget.EditText
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
import io.reactivex.rxjava3.core.Observable
import io.reactivex.rxjava3.schedulers.Schedulers
import java.time.Instant
import java.time.LocalTime
import java.time.format.DateTimeFormatter
import java.util.concurrent.TimeUnit
import kotlin.time.DurationUnit
import kotlin.time.toDuration

// Дан экран с готовой разметкой
// Реализовать при помощи RxJava
Expand All @@ -28,33 +38,173 @@ import android.widget.TextView

class MainActivity : AppCompatActivity() {

private val TAG = this::class.simpleName

// Часы:
private lateinit var clockText: TextView

// Обратный отсчёт
private lateinit var countdownText: TextView
private lateinit var countdownSecondsEditText: EditText
private lateinit var countdownStartButton: Button
private lateinit var countDownText: TextView
private lateinit var countDownSecondsEditText: EditText
private lateinit var countDownStartButton: Button

// Секундомер
private lateinit var stopwatchText: TextView
private lateinit var stopwatchMillisText: TextView
private lateinit var stopwatchStartButton: EditText
private lateinit var stopwatchEndButton: EditText
private lateinit var stopWatchText: TextView
private lateinit var stopWatchMillisText: TextView
private lateinit var stopWatchStartButton: Button
private lateinit var stopWatchEndButton: Button

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)

clockText = findViewById(R.id.clockText)

countdownText = findViewById(R.id.countdownText)
countdownSecondsEditText = findViewById(R.id.countdownEditText)
countdownStartButton = findViewById(R.id.countdownStartButton)
countDownText = findViewById(R.id.countdownText)
countDownSecondsEditText = findViewById(R.id.countdownEditText)
countDownStartButton = findViewById(R.id.countdownStartButton)

stopWatchText = findViewById(R.id.stopwatchText)
stopWatchMillisText = findViewById(R.id.stopwatchMillisText)
stopWatchStartButton = findViewById(R.id.stopwatchStartButton)
stopWatchEndButton = findViewById(R.id.stopwatchEndButton)


// 1. Часы
clock()

// 2. Таймер
displayCountDown(0) // Начальное значение
timer()


// 3. Секундомер
displayStopWatch() // Начальное значение
stopWatch()
}

private fun clock() {
Observable.interval(1, TimeUnit.SECONDS, Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())

.subscribe {
clockText.text = LocalTime.now().format(DateTimeFormatter.ofPattern("HH:mm:ss"))
}
}

private val delimiter = ":"

private val twoDigits: (Number) -> String =
{ value -> if (value.toLong() < 10) "0$value" else "$value" }

private val formatTime: (Long, Int, Int, Int) -> java.lang.StringBuilder =
{ hours, minutes, seconds, nano ->
StringBuilder()
.append(twoDigits(hours))
.append(delimiter)
.append(twoDigits(minutes))
.append(delimiter)
.append(twoDigits(seconds))
}

private val displayCountDown: (Long) -> Unit =
{ seconds ->
countDownText.text =
seconds.toDuration(DurationUnit.SECONDS).toComponents(formatTime)
}

private fun timer() {
val countDownValue: () -> Long =
{ countDownSecondsEditText.text.toString().toLongOrNull() ?: 0L }

countDownStartButton.setOnClickListener {
val seconds = countDownValue()
Log.i(TAG, "seconds: $seconds")

if (seconds > 0) {
// Время окончания
val end = Instant.now().plusSeconds(seconds)

Observable.interval(1, TimeUnit.SECONDS, Schedulers.computation())
.observeOn(AndroidSchedulers.mainThread())

.takeWhile { Instant.now() <= end }

.subscribe {
val remained = end.minusMillis(Instant.now().toEpochMilli())
val duration =
remained.toEpochMilli().toDuration(DurationUnit.MILLISECONDS)
countDownText.text = duration.toComponents(formatTime)
}
}
}
}

private enum class EStopWatchStatus {
STOP,
RUN,
PAUSE
}

private object stopWatchStatus {
var status: EStopWatchStatus = EStopWatchStatus.STOP
var value: Long = 0
}

private val displayStopWatch: () -> Unit = {
stopWatchText.text =
stopWatchStatus.value.toDuration(DurationUnit.MILLISECONDS)
.toComponents(formatTime)
stopWatchMillisText.text =
"${stopWatchStatus.value % 1000 / 100}" // 10-е мс
}

private fun stopWatch() {
stopWatchStartButton.setOnClickListener {
Log.i(TAG, "${stopWatchStatus.status}: ${stopWatchStatus.value}")

if (stopWatchStatus.status == EStopWatchStatus.STOP || stopWatchStatus.status == EStopWatchStatus.PAUSE) {
stopWatchStatus.status = EStopWatchStatus.RUN // Начинаем работу

stopWatchEndButton.text = "Пауза"

val start = Instant.now()
.toEpochMilli() - stopWatchStatus.value // При состоянии паузы "отходим назад"

Observable.interval(100, TimeUnit.MILLISECONDS, Schedulers.computation())
.observeOn(AndroidSchedulers.mainThread())

.takeWhile { stopWatchStatus.status == EStopWatchStatus.RUN }

.subscribe {
stopWatchStatus.value = Instant.now().toEpochMilli() - start
displayStopWatch()
}
}
}

stopWatchEndButton.setOnClickListener()
{
Log.i(TAG, "${stopWatchStatus.status}: ${stopWatchStatus.value}")
when (stopWatchStatus.status) {
EStopWatchStatus.RUN -> {
// Приостанавливаем
stopWatchStatus.status = EStopWatchStatus.PAUSE
stopWatchEndButton.text = "Сброс"
}
EStopWatchStatus.PAUSE -> {
// Сброс
stopWatchStatus.status = EStopWatchStatus.STOP
stopWatchStatus.value = 0

stopWatchEndButton.text = "Пауза"

stopwatchText = findViewById(R.id.stopwatchText)
stopwatchMillisText = findViewById(R.id.stopwatchMillisText)
stopwatchStartButton = findViewById(R.id.stopwatchStartButton)
stopwatchEndButton = findViewById(R.id.stopwatchEndButton)
displayStopWatch()
}
EStopWatchStatus.STOP -> {
stopWatchEndButton.text = "Пауза"
}
}
}
}
}
}
6 changes: 3 additions & 3 deletions app/src/main/res/layout/activity_main.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@
android:id="@+id/countdownStartButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Start" />
android:text="Старт" />
</FrameLayout>

<View
Expand Down Expand Up @@ -123,7 +123,7 @@
android:id="@+id/stopwatchStartButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Start" />
android:text="Старт" />

<View
android:layout_width="0dp"
Expand All @@ -134,7 +134,7 @@
android:id="@+id/stopwatchEndButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Pause" />
android:text="Пауза" />
</LinearLayout>
</FrameLayout>

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4 changes: 2 additions & 2 deletions build.gradle
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
id 'com.android.application' version '7.1.1' apply false
id 'com.android.library' version '7.1.1' apply false
id 'com.android.application' version '7.1.2' apply false
id 'com.android.library' version '7.1.2' apply false
id 'org.jetbrains.kotlin.android' version '1.6.10' apply false
}

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