Created
May 29, 2023 11:17
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| import androidx.compose.foundation.gestures.detectHorizontalDragGestures | |
| import androidx.compose.foundation.layout.Box | |
| import androidx.compose.foundation.layout.fillMaxSize | |
| import androidx.compose.runtime.Composable | |
| import androidx.compose.runtime.getValue | |
| import androidx.compose.runtime.mutableStateOf | |
| import androidx.compose.runtime.remember | |
| import androidx.compose.runtime.setValue | |
| import androidx.compose.ui.Modifier | |
| import androidx.compose.ui.input.pointer.pointerInput | |
| private const val GESTURE_ACCEPTED_START = 80f | |
| private const val GESTURE_MINIMUM_FINISH = 300f | |
| @Composable | |
| fun IosBackGestureHandler( | |
| isEnabled: Boolean, | |
| onBack: () -> Unit, | |
| content: @Composable () -> Unit | |
| ) { | |
| var offsetStart by remember { mutableStateOf(-1f) } | |
| var offsetFinish by remember { mutableStateOf(-1f) } | |
| Box( | |
| modifier = Modifier | |
| .fillMaxSize() | |
| .pointerInput(Unit) { | |
| detectHorizontalDragGestures( | |
| onDragStart = { offset -> | |
| if (offset.x <= GESTURE_ACCEPTED_START) offsetStart = offset.x | |
| }, | |
| onDragEnd = { | |
| val isOnBackGestureActivated = isEnabled | |
| && offsetStart in 0f..GESTURE_ACCEPTED_START | |
| && offsetFinish > GESTURE_MINIMUM_FINISH | |
| if (isOnBackGestureActivated) onBack() | |
| offsetStart = -1f | |
| offsetFinish = -1f | |
| }, | |
| onHorizontalDrag = { change, _ -> offsetFinish = change.position.x } | |
| ) | |
| } | |
| ) { | |
| content() | |
| } | |
| } |
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