Make permissions work with Android Studio Preview

calf-permissions/src/commonMain/kotlin/com.mohamedrejeb.calf/permissions/MultiplePermissionsState.kt

@@ -2,6 +2,8 @@ package com.mohamedrejeb.calf.permissions
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalInspectionMode
 
 /**
  * Creates a [MultiplePermissionsState] that is remembered across compositions.
@@ -19,7 +21,24 @@ fun rememberMultiplePermissionsState(
     permissions: List<Permission>,
     onPermissionsResult: (Map<Permission, Boolean>) -> Unit = {}
 ): MultiplePermissionsState {
-    return rememberMutableMultiplePermissionsState(permissions, onPermissionsResult)
+    val isInspection = LocalInspectionMode.current
+
+    return if (isInspection)
+        rememberPreviewMultiplePermissionState()
+    else
+        rememberMutableMultiplePermissionsState(permissions, onPermissionsResult)
+}
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+private fun rememberPreviewMultiplePermissionState(): MultiplePermissionsState = remember {
+    object : MultiplePermissionsState {
+        override val permissions: List<PermissionState> = emptyList()
+        override val revokedPermissions: List<PermissionState> = emptyList()
+        override val allPermissionsGranted: Boolean = true
+        override val shouldShowRationale: Boolean = false
+        override fun launchMultiplePermissionRequest() {}
+    }
 }
 
 /**

calf-permissions/src/commonMain/kotlin/com.mohamedrejeb.calf/permissions/PermissionState.kt

@@ -2,6 +2,8 @@ package com.mohamedrejeb.calf.permissions
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalInspectionMode
 
 /**
  * Creates a [PermissionState] that is remembered across compositions.
@@ -19,7 +21,25 @@ fun rememberPermissionState(
     permission: Permission,
     onPermissionResult: (Boolean) -> Unit = {},
 ): PermissionState {
-    return rememberMutablePermissionState(permission, onPermissionResult)
+    val isInspection = LocalInspectionMode.current
+
+    return if (isInspection)
+        rememberPreviewPermissionState(permission)
+    else
+        rememberMutablePermissionState(permission, onPermissionResult)
+}
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+private fun rememberPreviewPermissionState(
+    permission: Permission
+): PermissionState = remember {
+    object : PermissionState {
+        override val permission: Permission = permission
+        override var status: PermissionStatus = PermissionStatus.Granted
+        override fun launchPermissionRequest() {}
+        override fun openAppSettings() {}
+    }
 }
 
 /**

gradle/libs.versions.toml

@@ -2,7 +2,6 @@
 agp = "8.5.2"
 kotlin = "2.0.21"
 compose = "1.7.0"
-kotlinx-serialization-json = "1.7.1"
 kotlinx-datetime = "0.6.1"
 nexus-publish = "2.0.0"
 documentfile = "1.0.1"
@@ -12,12 +11,13 @@ coil = "3.0.1"
 calf = "0.5.5"
 
 # For sample
-activity-compose = "1.9.1"
-navigation-compose = "2.7.7"
+activity-compose = "1.9.3"
+navigation-compose = "2.8.3"
 android-minSdk = "21"
 android-compileSdk = "34"
 kotlinx-coroutines = "1.9.0"
 appcompat = "1.7.0"
+compose-ui = "1.7.1"
 android-lifecycle = "2.2.0"
 play-services-location = "21.3.0"
 compose-navigation = "2.7.0-alpha07"
@@ -32,13 +32,14 @@ gradlePlugin-composeCompiler = { module = "org.jetbrains.kotlin:compose-compiler
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
 activity-compose = { module = "androidx.activity:activity-compose", version.ref = "activity-compose" }
 appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appcompat" }
+compose-tooling-preview = { module = "androidx.compose.ui:ui-tooling-preview", version.ref = "compose-ui" }
+compose-tooling = { module = "androidx.compose.ui:ui-tooling", version.ref = "compose-ui" }
 lifecycle-extensions = { module = "androidx.lifecycle:lifecycle-extensions", version.ref = "android-lifecycle" }
 play-services-location = { module = "com.google.android.gms:play-services-location", version.ref = "play-services-location" }
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-swing = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-swing", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-javafx = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-javafx", version.ref = "kotlinx-coroutines" }
-kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization-json" }
 kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version.ref = "kotlinx-datetime" }
 nexus-publish = { module = "io.github.gradle-nexus.publish-plugin:io.github.gradle-nexus.publish-plugin.gradle.plugin", version.ref = "nexus-publish" }
 

sample/android/build.gradle.kts

@@ -37,6 +37,8 @@ android {
         implementation(projects.sample.common)
 
         implementation(libs.activity.compose)
+        implementation(libs.compose.tooling.preview)
         implementation(libs.appcompat)
+        debugImplementation(libs.compose.tooling)
     }
 }

sample/android/src/main/java/com/mohamedrejeb/calf/sample/PermissionScreenPreview.kt

@@ -0,0 +1,13 @@
+package com.mohamedrejeb.calf.sample
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.tooling.preview.Preview
+import com.mohamedrejeb.calf.sample.screens.PermissionScreen
+
+@Preview
+@Composable
+fun PermissionScreenPreview() {
+    PermissionScreen(
+        navigateBack = {}
+    )
+}