完善 ActivityExt，支持传递单个 Pair

app/src/main/java/luyao/util/ktx/ui/ActivityExtActivity.kt

@@ -36,21 +36,25 @@ class ActivityExtActivity : BaseActivity() {
         }
 
         startActivityWithValue.setOnClickListener {
+            startKtxActivity<AnotherActivity>(value = "string" to "single value")
+        }
+
+        startActivityWithMultiValue.setOnClickListener {
             startKtxActivity<AnotherActivity>(
                 values = arrayListOf(
                     "int" to 1,
                     "boolean" to true,
-                    "string" to "from previous activity"
-                    )
+                    "string" to "multi value"
+                )
             )
         }
 
         startActivityWithBundle.setOnClickListener {
             startKtxActivity<AnotherActivity>(
                 extra = Bundle().apply {
-                    putInt("int",2)
-                    putBoolean("boolean",true)
-                    putString("string","from bundle")
+                    putInt("int", 2)
+                    putBoolean("boolean", true)
+                    putString("string", "from bundle")
                 }
             )
         }

app/src/main/res/layout/activity_activity_ext.xml

@@ -26,6 +26,11 @@
             android:text="startActivityWithValue"
             style="@style/NormalButton"/>
 
+    <androidx.appcompat.widget.AppCompatButton
+            android:id="@+id/startActivityWithMultiValue"
+            android:text="startActivityWithMultiValue"
+            style="@style/NormalButton"/>
+
     <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/startActivityWithBundle"
             android:text="startActivityWithBundle"

ktx/src/main/java/luyao/util/ktx/ext/ActivityExt.kt

@@ -14,6 +14,13 @@ import java.io.Serializable
 inline fun <reified T : Activity> Activity.startKtxActivity(flags: Int? = null, extra: Bundle? = null): Unit =
     startActivity(getIntent<T>(flags, extra))
 
+inline fun <reified T : Activity> Activity.startKtxActivity(
+    flags: Int? = null,
+    extra: Bundle? = null,
+    value: Pair<String, Any>?
+): Unit =
+    startActivity(getIntent<T>(flags, extra, arrayListOf(value)))
+
 inline fun <reified T : Activity> Activity.startKtxActivity(
     flags: Int? = null,
     extra: Bundle? = null,