bug fixes to AI suggested enhancements

app/src/main/java/com/example/countdowntimer/CountdownCanvasView.kt

@@ -1,6 +1,5 @@
 package com.example.countdowntimer
 
-import android.animation.ValueAnimator
 import android.content.Context
 import androidx.core.content.ContextCompat
 import android.graphics.Canvas
@@ -8,7 +7,6 @@ import android.graphics.Paint
 import android.graphics.RectF
 import android.util.AttributeSet
 import android.view.View
-import android.view.animation.AccelerateDecelerateInterpolator
 
 class CountdownCanvasView @JvmOverloads constructor(
     context: Context,
@@ -25,24 +23,16 @@ class CountdownCanvasView @JvmOverloads constructor(
         isFakeBoldText = false
     }
     private val ringPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
-        color = Color.parseColor("#D0BCFF")
+        color = Color.parseColor("#6750A4")
         style = Paint.Style.STROKE
         strokeWidth = 16f
     }
     private val ringBgPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
-        color = Color.parseColor("#E8DEF8")
+        color = Color.parseColor("#D0BCFF")
         style = Paint.Style.STROKE
         strokeWidth = 16f
     }
     private val rectF = RectF()
-    private val progressAnimator = ValueAnimator.ofFloat(1.0f, 0.0f).apply {
-        duration = 10000
-        interpolator = AccelerateDecelerateInterpolator()
-        addUpdateListener { animation ->
-            progressFraction = animation.animatedValue as Float
-            invalidate()
-        }
-    }
 
     fun setText(text: String) {
         if (textToDraw != text) {
@@ -52,19 +42,10 @@ class CountdownCanvasView @JvmOverloads constructor(
     }
 
     fun setProgress(fraction: Float) {
-        progressFraction = fraction
+        progressFraction = fraction.coerceIn(0f, 1f)
         invalidate()
     }
 
-    fun startProgressAnimation(duration: Long) {
-        progressAnimator.duration = duration
-        progressAnimator.start()
-    }
-
-    fun cancelProgressAnimation() {
-        progressAnimator.cancel()
-    }
-
     override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
         super.onSizeChanged(w, h, oldw, oldh)
         val inset = ringPaint.strokeWidth / 2f + 12f
@@ -79,9 +60,10 @@ class CountdownCanvasView @JvmOverloads constructor(
         val cx = rectF.centerX()
         val cy = rectF.centerY()
 
-        // Draw background ring
-        canvas.drawArc(rectF, -90f, 360f, false, ringBgPaint)
-        // Draw progress ring (remaining time, starts at 12 o'clock)
+        // Draw full background ring (always visible track)
+        val bgRect = RectF(rectF.left, rectF.top, rectF.right, rectF.bottom)
+        canvas.drawArc(bgRect, -90f, 360f, false, ringBgPaint)
+        // Draw progress arc on top (remaining time, starts at 12 o'clock)
         canvas.drawArc(rectF, -90f, 360f * progressFraction, false, ringPaint)
 
         // Draw text

app/src/main/java/com/example/countdowntimer/CountdownDialog.kt

@@ -11,7 +11,6 @@ import android.os.Vibrator
 import android.view.View
 import android.view.WindowManager
 import android.widget.Button
-import com.google.android.material.chip.ChipGroup
 
 class CountdownDialog(
     private val context: Context,
@@ -59,15 +58,17 @@ class CountdownDialog(
         cvCountdown.setProgress(1f)
         timer = object : CountDownTimer(durationMillis, 1000) {
             override fun onTick(millisUntilFinished: Long) {
-                val secondsLeft = (millisUntilFinished / 1000).toInt() + 1
                 val progress = millisUntilFinished.toFloat() / durationMillis
-                if (secondsLeft < 10) {
-                    cvCountdown.setText(secondsLeft.toString())
-                } else {
-                    cvCountdown.setText(context.getString(R.string.countdown_text))
-                }
                 cvCountdown.setProgress(progress)
-                if (secondsLeft in 1..3) {
+
+                if (millisUntilFinished >= durationMillis) {
+                    cvCountdown.setText(context.getString(R.string.countdown_text))
+                } else {
+                    val secondsLeft = (millisUntilFinished / 1000).toInt() + 1
+                    cvCountdown.setText(secondsLeft.toString())
+                }
+
+                if (millisUntilFinished <= 3000 && millisUntilFinished > 1000) {
                     playTone(ToneGenerator.TONE_PROP_BEEP)
                     if (prefs.getBoolean("vibration", true)) {
                         vibrator?.vibrate(50)

app/src/main/java/com/example/countdowntimer/MainActivity.kt

@@ -23,6 +23,25 @@ class MainActivity : AppCompatActivity() {
     private lateinit var chipGroup: ChipGroup
     private var selectedDuration: Long = DEFAULT_DURATION
 
+    private fun durationToChipId(duration: Long): Int = when (duration) {
+        5000L -> R.id.chip5s
+        15000L -> R.id.chip15s
+        30000L -> R.id.chip30s
+        else -> R.id.chip10s
+    }
+
+    private fun chipIdToDuration(chipId: Int): Long = when (chipId) {
+        R.id.chip5s -> 5000L
+        R.id.chip10s -> 10000L
+        R.id.chip15s -> 15000L
+        R.id.chip30s -> 30000L
+        else -> DEFAULT_DURATION
+    }
+
+    private fun updateDurationLabel() {
+        btnDurationLabel.text = "${selectedDuration / 1000}s"
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
@@ -34,13 +53,10 @@ class MainActivity : AppCompatActivity() {
         hsvDurationOptions = findViewById(R.id.hsvDurationOptions)
         chipGroup = findViewById(R.id.chipGroup)
 
+        updateDurationLabel()
+
         // Restore selected chip
-        val chipId = when (selectedDuration) {
-            5000L -> R.id.chip5s
-            15000L -> R.id.chip15s
-            30000L -> R.id.chip30s
-            else -> R.id.chip10s
-        }
+        val chipId = durationToChipId(selectedDuration)
         chipGroup.check(chipId)
 
         btnDurationLabel.setOnClickListener {
@@ -58,16 +74,10 @@ class MainActivity : AppCompatActivity() {
 
         chipGroup.setOnCheckedChangeListener { _, checkedId ->
             if (checkedId != -1) {
-                selectedDuration = when (checkedId) {
-                    R.id.chip5s -> 5000L
-                    R.id.chip10s -> 10000L
-                    R.id.chip15s -> 15000L
-                    R.id.chip30s -> 30000L
-                    else -> DEFAULT_DURATION
-                }
+                selectedDuration = chipIdToDuration(checkedId)
                 prefs.edit().putLong(KEY_SELECTED_DURATION, selectedDuration).apply()
+                updateDurationLabel()
                 hsvDurationOptions.visibility = View.GONE
-                chipGroup.clearCheck()
             }
         }