Added CoroutineScopeExt.kt

Author: li2

common/src/main/java/me/li2/android/common/kotlinx/CoroutineScopeExt.kt

@@ -0,0 +1,43 @@
+/*
+ * @created: 11 May 2021.
+ * @author: Weiyi Li
+ * Copyright (c) 2021 EROAD Limited. All rights reserved.
+ */
+package me.li2.android.common.kotlinx
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+
+fun CoroutineScope.io(
+    onError: (Exception) -> Unit = {},
+    block: suspend CoroutineScope.() -> Unit
+): Job {
+    return launch(Dispatchers.IO) {
+        try {
+            block()
+        } catch (exception: Exception) {
+            onError(exception)
+        }
+    }
+}
+
+fun CoroutineScope.computation(
+    onError: (Exception) -> Unit = {},
+    block: suspend CoroutineScope.() -> Unit
+): Job {
+    return launch(Dispatchers.IO) {
+        try {
+            block()
+        } catch (exception: Exception) {
+            onError(exception)
+        }
+    }
+}
+
+fun <T> CoroutineScope.ui(block: CoroutineScope.() -> T): Job {
+    return launch(Dispatchers.Main) {
+        block()
+    }
+}