kfj001/bong_hit_timer_android
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kfj001
2026-05-26 00:51:07 -07:00
commit be631985cb
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app/build.gradle
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plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
namespace 'com.example.countdowntimer'
compileSdk 34
defaultConfig {
applicationId "com.example.countdowntimer"
minSdk 24
targetSdk 34
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
debug {
applicationIdSuffix ".debug"
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.12.0'
implementation 'androidx.appcompat:appcompat:1.6.1'
implementation 'com.google.android.material:material:1.11.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
}
app/src/main/AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<application
android:allowBackup="true"
android:icon="@drawable/ic_timer"
android:label="Countdown Timer"
android:supportsRtl="true"
android:theme="@style/Theme.CountdownTimer">
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
app/src/main/java/com/example/countdowntimer/CountdownCanvasView.kt
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package com.example.countdowntimer
import android.content.Context
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.util.AttributeSet
import android.view.View
class CountdownCanvasView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : View(context, attrs, defStyleAttr) {
private var textToDraw: String = ""
private val paint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
color = Color.parseColor("#6750A4") // Using the same primary purple
textSize = 180f // Roughly equivalent to 72sp depending on density
textAlign = Paint.Align.CENTER
isFakeBoldText = false
}
fun setText(text: String) {
if (textToDraw != text) {
textToDraw = text
invalidate()
}
}
override fun onDraw(canvas: Canvas) {
super.onDraw(canvas)
if (textToDraw.isEmpty()) return
val fontMetrics = paint.fontMetrics
val x = width / 2f
val y = (height / 2f) - ((fontMetrics.descent + fontMetrics.ascent) / 2f)
canvas.drawText(textToDraw, x, y, paint)
}
}
app/src/main/java/com/example/countdowntimer/CountdownDialog.kt
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package com.example.countdowntimer
import android.app.Dialog
import android.content.Context
import android.media.AudioManager
import android.media.ToneGenerator
import android.os.Bundle
import android.os.CountDownTimer
import android.view.View
import android.view.WindowManager
import android.widget.Button
class CountdownDialog(private val context: Context, private val durationMillis: Long) : Dialog(context) {
private lateinit var cvCountdown: CountdownCanvasView
private lateinit var btnStop: Button
private lateinit var btnRestart: Button
private lateinit var btnDismiss: Button
private var timer: CountDownTimer? = null
private var toneGenerator: ToneGenerator? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.dialog_countdown)
setCanceledOnTouchOutside(false)
setCancelable(false)
window?.let { win ->
win.setBackgroundDrawableResource(android.R.color.transparent)
val lp = win.attributes
lp.width = WindowManager.LayoutParams.MATCH_PARENT
lp.height = WindowManager.LayoutParams.MATCH_PARENT
win.attributes = lp
}
cvCountdown = findViewById(R.id.cvCountdown)
btnStop = findViewById(R.id.btnStop)
btnRestart = findViewById(R.id.btnRestart)
btnDismiss = findViewById(R.id.btnDismiss)
toneGenerator = ToneGenerator(AudioManager.STREAM_ALARM, 100)
btnStop.setOnClickListener { cancelTimer() }
btnRestart.setOnClickListener { restartTimer() }
btnDismiss.setOnClickListener { dismiss() }
startTimer()
}
private fun startTimer() {
timer = object : CountDownTimer(durationMillis, 1000) {
override fun onTick(millisUntilFinished: Long) {
val secondsLeft = (millisUntilFinished / 1000).toInt() + 1
if (secondsLeft < 10) {
cvCountdown.setText(secondsLeft.toString())
} else {
cvCountdown.setText(context.getString(R.string.countdown_text))
}
if (secondsLeft in 1..3) {
playTone(ToneGenerator.TONE_PROP_BEEP)
}
}
override fun onFinish() {
cvCountdown.setText(context.getString(R.string.timer_zero))
playTone(ToneGenerator.TONE_SUP_CONFIRM, 500)
btnStop.visibility = View.GONE
btnRestart.visibility = View.GONE
btnDismiss.visibility = View.VISIBLE
}
}.start()
}
private fun cancelTimer() {
timer?.cancel()
dismiss()
}
private fun restartTimer() {
timer?.cancel()
startTimer()
}
override fun dismiss() {
timer?.cancel()
toneGenerator?.release()
toneGenerator = null
super.dismiss()
}
private fun playTone(tone: Int, durationMillis: Int? = null) {
if (durationMillis == null) {
toneGenerator?.startTone(tone)
} else {
toneGenerator?.startTone(tone, durationMillis)
}
}
}
app/src/main/java/com/example/countdowntimer/MainActivity.kt
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package com.example.countdowntimer
import android.os.Bundle
import android.widget.Button
import androidx.appcompat.app.AppCompatActivity
class MainActivity : AppCompatActivity() {
private val TIMER_DURATION_MS = 10000L
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
findViewById<Button>(R.id.btnStart).setOnClickListener {
CountdownDialog(this, TIMER_DURATION_MS).show()
}
}
}
app/src/main/res/drawable/bg_main_gradient.xml
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<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient
android:startColor="@color/color_gradient_start"
android:endColor="@color/color_gradient_end"
android:angle="270" />
</shape>
app/src/main/res/drawable/ic_chair.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="@color/color_icon_tint">
<path
android:fillColor="@android:color/white"
android:pathData="M7,13h10v-2H7v2zM12,15l-1,4h2l-1,-4zM5,11v-2h14v2H5zM18,8H6V6h12v2z" />
</vector>
app/src/main/res/drawable/ic_no_distractions.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="@color/color_icon_tint">
<path
android:fillColor="@android:color/white"
android:pathData="M12,2L4,5v6c0,5.55 3.84,10.74 9,12c5.16 -1.26 9 -6.45 9 -12V5L12,2zM12,11c-1.1,0 -2, -0.9 -2, -2s0.9, -2 2, -2s2, 0.9 2, 2S13.1, 11 12, 11z" />
</vector>
app/src/main/res/drawable/ic_play_arrow.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="@android:color/white">
<path
android:fillColor="@android:color/white"
android:pathData="M8,5v14l11, -7l-11, -7z" />
</vector>
app/src/main/res/drawable/ic_timer.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="48dp"
android:height="48dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="@color/color_icon_tint">
<path
android:strokeColor="@android:color/white"
android:strokeWidth="2"
android:pathData="M5,3H19V5L13,12L19,19V21H5V19L11,12L5,5V3Z" />
<path
android:strokeColor="@android:color/white"
android:strokeWidth="2"
android:pathData="M11,12H13" />
<path android:strokeColor="@android:color/white"
android:strokeWidth="2" android:pathData="M8,17C8,17 9,20 12,20C15,20 16,17 16,17" />
<path android:strokeColor="@android:color/white" android:strokeWidth="2"
android:pathData="M8,7C8,7 9,4 12,4C15,4 16,7 16,7" />
</vector>
app/src/main/res/drawable/ic_volume_up.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="@color/color_icon_tint">
<path
android:fillColor="@android:color/white"
android:pathData="M14,3.23L3.23,13h6v8l8.77 -8.77L14,3.23zM16.5,12c0,1.77 -1.02,3.29 -2.5,4.07l2.25,2.25C17.23,17.28 18,15.66 18,14C18,13.35 17.65,12.75 17.25,12.35L16.5,12z" />
</vector>
app/src/main/res/layout-land/activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg_main_gradient">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.google.android.material.card.MaterialCardView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:cardCornerRadius="24dp"
app:cardElevation="4dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="24dp">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="80dp"
android:layout_height="80dp"
android:src="@drawable/ic_timer"
app:tint="@color/color_icon_tint" />
<TextView
android:id="@+id/tvInstructionTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="@string/instruction_title"
android:textAlignment="center"
android:textAppearance="@style/TextAppearance.Material3.HeadlineMedium"
android:textStyle="bold" />
</LinearLayout>
<View
android:layout_width="32dp"
android:layout_height="match_parent" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="vertical">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_volume_up"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_volume"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_chair"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_position"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_no_distractions"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_distractions"
android:textSize="16sp" />
</LinearLayout>
<com.google.android.material.button.MaterialButton
android:id="@+id/btnStart"
style="@style/Widget.Material3.Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:text="@string/start_timer"
app:cornerRadius="20dp"
app:icon="@drawable/ic_play_arrow" />
</LinearLayout>
</LinearLayout>
</com.google.android.material.card.MaterialCardView>
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>
app/src/main/res/layout/activity_main.xml
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg_main_gradient">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.google.android.material.card.MaterialCardView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:cardCornerRadius="24dp"
app:cardElevation="4dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical"
android:padding="24dp">
<ImageView
android:layout_width="64dp"
android:layout_height="64dp"
android:src="@drawable/ic_timer"
app:tint="@color/color_icon_tint" />
<TextView
android:id="@+id/tvInstructionTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="@string/instruction_title"
android:textAlignment="center"
android:textAppearance="@style/TextAppearance.Material3.HeadlineMedium"
android:textStyle="bold" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:orientation="vertical">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_volume_up"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_volume"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_chair"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_position"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:src="@drawable/ic_no_distractions"
app:tint="@color/color_icon_tint" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:text="@string/instruction_distractions"
android:textSize="16sp" />
</LinearLayout>
</LinearLayout>
<com.google.android.material.button.MaterialButton
android:id="@+id/btnStart"
style="@style/Widget.Material3.Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="32dp"
android:text="@string/start_timer"
app:cornerRadius="20dp"
app:icon="@drawable/ic_play_arrow" />
</LinearLayout>
</com.google.android.material.card.MaterialCardView>
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>
app/src/main/res/layout/dialog_countdown.xml
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#80000000">
<Button
android:id="@+id/btnDismiss"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Dismiss"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<com.example.countdowntimer.CountdownCanvasView
android:id="@+id/cvCountdown"
android:layout_width="wrap_content"
android:layout_height="0dp"
app:layout_constraintHeight_default="wrap"
app:layout_constrainedHeight="true"
app:layout_constraintBottom_toTopOf="@id/btnStop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:minWidth="120dp"
android:minHeight="120dp" />
<Button
android:id="@+id/btnStop"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Stop"
android:layout_marginTop="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="@id/btnRestart"
app:layout_constraintHorizontal_chainStyle="spread" />
<Button
android:id="@+id/btnRestart"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Restart"
android:layout_marginTop="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@id/btnStop"
app:layout_constraintEnd_toEndOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
app/src/main/res/values-night/colors.xml
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="color_gradient_start">#2E1A47</color>
<color name="color_gradient_end">#1B0B2E</color>
</resources>
app/src/main/res/values-night/themes.xml
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="Theme.CountdownTimer" parent="Theme.Material3.DayNight.NoActionBar">
<item name="colorPrimary">@color/md_theme_light_primary</item>
<item name="colorSecondary">@color/md_theme_light_secondary</item>
<item name="android:statusBarColor">@color/color_gradient_start</item>
<item name="android:windowLightStatusBar">false</item>
</style>
</resources>
app/src/main/res/values/colors.xml
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="color_gradient_start">#F3E5F5</color>
<color name="color_gradient_end">#E1BEE7</color>
<color name="color_icon_tint">#6750A4</color>
</resources>
app/src/main/res/values/strings.xml
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<resources>
<string name="app_name">Countdown Timer</string>
<string name="start_timer">Start Timer</string>
<string name="countdown_text">!!! HOLD !!!</string>
<string name="timer_zero">EXHALE!</string>
<string name="instruction_title">BONG HIT TIMER!</string>
<string name="instruction_volume">Ensure your bong is loaded</string>
<string name="instruction_position">Find a comfortable position</string>
<string name="instruction_distractions">Light your bowl and take your hit before you press the Start Timer button. HOLD YOUR HIT IN!</string>
</resources>
app/src/main/res/values/themes.xml
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<resources>
<style name="Theme.CountdownTimer" parent="Theme.Material3.DayNight.NoActionBar">
<item name="colorPrimary">@color/md_theme_light_primary</item>
<item name="colorSecondary">@color/md_theme_light_secondary</item>
<item name="android:statusBarColor">@color/color_gradient_start</item>
<item name="android:windowLightStatusBar">true</item>
</style>
<color name="md_theme_light_primary">#6750A4</color>
<color name="md_theme_light_secondary">#625B71</color>
<color name="md_theme_light_surface">#FEF7FF</color>
</resources>