Implemented determining OS type

common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/Os.kt

@@ -0,0 +1,19 @@
+package net.dankito.utils.multiplatform.os
+
+
+open class Os(open val osHelper: OsHelper = OsHelper()) {
+
+    open val osType: OsType
+        get() = osHelper.osType
+
+
+    open val isRunningOnJvm: Boolean
+        get() = osType == OsType.JVM
+
+    open val isRunningOnAndroid: Boolean
+        get() = osType == OsType.Android
+
+    open val isRunningOniOS: Boolean
+        get() = osType == OsType.iOS
+
+}

common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt

@@ -0,0 +1,8 @@
+package net.dankito.utils.multiplatform.os
+
+
+expect class OsHelper {
+
+    val osType: OsType
+
+}

common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsType.kt

@@ -0,0 +1,12 @@
+package net.dankito.utils.multiplatform.os
+
+
+enum class OsType {
+
+    JVM,
+
+    Android,
+
+    iOS
+
+}

common/src/iosMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt

@@ -0,0 +1,8 @@
+package net.dankito.utils.multiplatform.os
+
+
+actual class OsHelper {
+
+    actual val osType = OsType.iOS
+
+}

common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt

@@ -0,0 +1,29 @@
+package net.dankito.utils.multiplatform.os
+
+
+actual open class OsHelper {
+
+    actual val osType: OsType
+        get() {
+            return if (isRunningOnAndroid) {
+                OsType.Android
+            }
+            else {
+                OsType.JVM
+            }
+        }
+
+
+    open val isRunningOnAndroid: Boolean = determineIsRunningOnAndroid()
+
+
+    protected open fun determineIsRunningOnAndroid(): Boolean {
+        try {
+            Class.forName("android.app.Activity")
+            return true
+        } catch (ex: Exception) { }
+
+        return false
+    }
+
+}