Add configurable player buffering settings UI for Android TV

app/src/main/kotlin/com/arvio/tv/settings/BufferingSettingsScreen.kt

@@ -0,0 +1,177 @@
+package com.arvio.tv.settings
+
+import androidx.compose.foundation.focusable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Slider
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+data class BufferingConfig(
+    val minBufferSec: Int,
+    val maxBufferSec: Int,
+    val maxMemoryMb: Int
+)
+
+@Composable
+fun BufferingSettingsScreen(
+    uiState: BufferingConfig,
+    onSave: (config: BufferingConfig) -> Unit
+) {
+    var minBuffer by remember { mutableFloatStateOf(uiState.minBufferSec.toFloat()) }
+    var maxBuffer by remember { mutableFloatStateOf(uiState.maxBufferSec.toFloat()) }
+    var maxMemory by remember { mutableFloatStateOf(uiState.maxMemoryMb.toFloat()) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(32.dp)
+    ) {
+        Text(
+            text = "Buffering Settings",
+            style = MaterialTheme.typography.headlineMedium
+        )
+
+        Spacer(modifier = Modifier.height(24.dp))
+
+        Text(
+            text = "Configuration Presets",
+            style = MaterialTheme.typography.titleMedium
+        )
+        Spacer(modifier = Modifier.height(16.dp))
+        Row(
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            PresetButton("Default", 15f, 50f, 64f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+            PresetButton("High-Speed (Fiber/5G)", 5f, 30f, 128f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+            PresetButton("Unstable (Mobile/WiFi)", 30f, 120f, 64f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+        }
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            PresetButton("IPTV", 10f, 30f, 32f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+            PresetButton("Debrid", 20f, 90f, 128f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+            PresetButton("Low-Memory TV", 10f, 30f, 32f) { min, max, mem -> 
+                minBuffer = min; maxBuffer = max; maxMemory = mem 
+            }
+        }
+
+        Spacer(modifier = Modifier.height(32.dp))
+        Text(
+            text = "Custom Overrides",
+            style = MaterialTheme.typography.titleMedium
+        )
+        Spacer(modifier = Modifier.height(16.dp))
+
+        SettingSlider(
+            label = "Min Buffer",
+            value = minBuffer,
+            valueRange = 3f..30f,
+            unit = "s",
+            onValueChange = { minBuffer = it }
+        )
+
+        SettingSlider(
+            label = "Max Buffer",
+            value = maxBuffer,
+            valueRange = 20f..120f,
+            unit = "s",
+            onValueChange = { maxBuffer = it }
+        )
+
+        SettingSlider(
+            label = "Max Memory Buffer",
+            value = maxMemory,
+            valueRange = 32f..128f,
+            unit = "MB",
+            onValueChange = { maxMemory = it }
+        )
+
+        Spacer(modifier = Modifier.weight(1f))
+
+        Button(
+            onClick = {
+                onSave(
+                    BufferingConfig(
+                        minBufferSec = minBuffer.toInt(),
+                        maxBufferSec = maxBuffer.toInt(),
+                        maxMemoryMb = maxMemory.toInt()
+                    )
+                )
+            },
+            modifier = Modifier.align(Alignment.End)
+        ) {
+            Text("Save Configuration")
+        }
+    }
+}
+
+@Composable
+private fun PresetButton(
+    label: String,
+    minBuffer: Float,
+    maxBuffer: Float,
+    maxMemory: Float,
+    onClick: (Float, Float, Float) -> Unit
+) {
+    Button(
+        onClick = { onClick(minBuffer, maxBuffer, maxMemory) },
+        modifier = Modifier.focusable()
+    ) {
+        Text(label)
+    }
+}
+
+@Composable
+private fun SettingSlider(
+    label: String,
+    value: Float,
+    valueRange: ClosedFloatingPointRange<Float>,
+    unit: String,
+    onValueChange: (Float) -> Unit
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(vertical = 8.dp)
+    ) {
+        Text(
+            text = "$label: ${value.toInt()}$unit",
+            style = MaterialTheme.typography.bodyLarge
+        )
+        Slider(
+            value = value,
+            onValueChange = onValueChange,
+            valueRange = valueRange,
+            modifier = Modifier.focusable()
+        )
+    }
+}