Add 800 milliseconds tween to headline background mask color.

Author: oxy

feature/foryou/src/main/java/com/m3u/feature/foryou/components/HeadlineBackground.kt

@@ -1,6 +1,7 @@
 package com.m3u.feature.foryou.components
 
 import androidx.compose.animation.animateColorAsState
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.background
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.aspectRatio
@@ -55,7 +56,8 @@ internal fun HeadlineBackground(modifier: Modifier = Modifier) {
             stop = colorScheme.surface,
             fraction = fraction
         ),
-        label = "headline-background-mask-color"
+        label = "headline-background-mask-color",
+        animationSpec = tween(800)
     )
 
     if (!preferences.noPictureMode && !preferences.colorfulBackground) {

feature/foryou/src/main/java/com/m3u/feature/foryou/internal/SensorOffset.kt

@@ -0,0 +1,38 @@
+package com.m3u.feature.foryou.internal
+
+import android.content.Context
+import android.hardware.Sensor
+import android.hardware.SensorEvent
+import android.hardware.SensorEventListener
+import android.hardware.SensorManager
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.produceState
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.platform.LocalContext
+
+@Composable
+internal fun produceSensorOffset(
+    context: Context = LocalContext.current
+): State<Offset> = produceState(
+    initialValue = Offset.Zero
+) {
+    val manager = context.getSystemService(Context.SENSOR_SERVICE) as SensorManager
+    val listener = object : SensorEventListener {
+        override fun onSensorChanged(event: SensorEvent) {
+            val (x, y, _) = event.values
+            value = Offset(x, y)
+        }
+
+        override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) {}
+    }
+    val sensor = manager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR)
+    manager.registerListener(
+        listener,
+        sensor,
+        SensorManager.SENSOR_DELAY_NORMAL
+    )
+    awaitDispose {
+        manager.unregisterListener(listener)
+    }
+}