增加 iOS平台内存警告示例

.gitignore

 /unpackage
+.DS_Store
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uni_modules/uni-getbatteryinfo/utssdk/app-ios/config.json

 {
-  "deploymentTarget": "9"
+  "deploymentTarget": "9.0"
 }
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uni_modules/uni-getbatteryinfo/utssdk/app-ios/index.uts

+// 引用 iOS 原生平台 api
 import { UIDevice } from "UIKit";
+import { Int } from 'Swift';
 
+/**
+ * 定义 接口参数
+ */
 type GetBatteryInfoOptions = {
-    success?: (res: UTSJSONObject) => void;
-    fail?: (res: UTSJSONObject) => void;
-    complete?: (res: UTSJSONObject) => void;
+    success?: (res: object) => void;
+    fail?: (res: object) => void;
+    complete?: (res: object) => void;
 };
 
+/**
+ * 导出 获取电量方法 
+ */
 export default function getBatteryInfo(options: GetBatteryInfoOptions) {
 	
+	// 开启电量检测
 	UIDevice.current.isBatteryMonitoringEnabled = true
 	
+	// 返回数据
     const res = {
         errMsg: "getBatteryInfo:ok",
-        level: Number(UIDevice.current.batteryLevel * 100),
+        level: new Int(UIDevice.current.batteryLevel * 100),
         isCharging: UIDevice.current.batteryState == UIDevice.BatteryState.charging,
     };
     options.success?.(res);
     options.complete?.(res);
-}
+}
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uni_modules/uni-memorywarning/readme.md

@@ -2,14 +2,16 @@
 
 ### uni.onMemoryWarning(function listener)
 
-监听内存不足告警事件(目前仅Android)
+监听内存不足告警事件
 
 
-当 Android 向小程序进程发出内存警告时，触发该事件。
+当系统应用进程发出内存警告时，触发该事件。
 
 触发该事件不意味应用被杀，大部分情况下仅仅是告警，开发者可在收到通知后回收一些不必要资源。
 
-返回值说明:
+返回值说明: 
+
+**注意平台差异：仅Android平台有返回值，iOS平台无返回值**
 
 ```kotlin
 
@@ -65,7 +67,7 @@ int TRIM_MEMORY_COMPLETE = 80;
 
 ### uni.offMemoryWarning(function listener)
 
-移除内存不足告警事件的监听函数(目前仅Android)
+移除内存不足告警事件的监听函数
 
 onMemoryWarning 传入的监听函数。不传此参数则移除所有监听函数。
 

uni_modules/uni-memorywarning/utssdk/app-ios/index.uts

+import { NotificationCenter } from 'Foundation';
+import { UIApplication } from "UIKit"
+
+class MemoryWarningTool {
+	static listener: UTSCallback | null;
+	
+	// 监听截屏
+	static listenMemoryWarning(callback: UTSCallback | null) {
+		this.listener = callback
+		
+		// 注册监听截屏事件及回调方法
+		// target-action 回调方法需要通过 Selector("方法名") 构建
+		const method = Selector("receiveMemoryWarning")
+		NotificationCenter.default.addObserver(this, selector = method, name = UIApplication.didReceiveMemoryWarningNotification, object = null)
+	}
+	
+	// 内存警告回调的方法
+	// target-action 的方法前需要添加 @objc 前缀
+	@objc static receiveMemoryWarning() {
+		// 回调
+		this.listener?.({})
+	}
+	
+	// 移除监听事件
+	static removeListen(callback: UTSCallback | null) {
+		this.listener = null
+		NotificationCenter.default.removeObserver(this)
+		callback?.({})
+	}
+}
+
+// 开启监听内存警告
+export function onMemoryWarning(callback: UTSCallback | null) {
+	MemoryWarningTool.listenMemoryWarning(callback)
+}
+
+// 关闭监听内存警告
+export function offMemoryWarning(callback: UTSCallback | null) {
+	MemoryWarningTool.removeListen(callback)
+}
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uni_modules/uni-usercapturescreen/utssdk/app-ios/index.uts

-import { NotificationCenter} from 'Foundation';
+import { NotificationCenter } from 'Foundation';
 import { UIApplication } from "UIKit"
 
 /**
  * 定义监听截屏事件工具类
  */
 class CaptureScreenTool {
-	static listener?: UTSCallback;
+	static listener: UTSCallback | null;
 	
 	// 监听截屏
-	static listenCaptureScreen(callback?: UTSCallback) {
+	static listenCaptureScreen(callback: UTSCallback | null) {
 		this.listener = callback
 		
 		// 注册监听截屏事件及回调方法
@@ -20,30 +20,28 @@ class CaptureScreenTool {
 	// 捕获截屏回调的方法
 	// target-action 的方法前需要添加 @objc 前缀
 	@objc static userDidTakeScreenshot() {
-		const obj = new UTSJSONObject()
 		// 回调
-		this.listener?.(obj)
+		this.listener?.({})
 	}
 	
 	// 移除监听事件
-	static removeListen(callback?: UTSCallback) {
+	static removeListen(callback: UTSCallback | null) {
 		this.listener = null
 		NotificationCenter.default.removeObserver(this)
-		const obj = new UTSJSONObject()
-		callback?.(obj)
+		callback?.({})
 	}
 }
 
 /**
  * 开启截图监听
  */
-export function onUserCaptureScreen(callback?: UTSCallback) {
+export function onUserCaptureScreen(callback: UTSCallback | null) {
 	CaptureScreenTool.listenCaptureScreen(callback)
 }
 
 /**
  * 关闭截屏监听
  */
-export function offUserCaptureScreen(callback?: UTSCallback) {
+export function offUserCaptureScreen(callback: UTSCallback | null) {
 	CaptureScreenTool.removeListen(callback)
-}
+}
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