蓝牙按工厂要求修改，app隐藏时断开设备蓝牙，已配对设备显示实际连接的设备

# Conflicts:
#	App.vue

App.vue

@@ -1,7 +1,11 @@
 <script>
 	import bleTool from '@/utils/BleHelper.js';
 	import upgrade from '@/utils/update.js';
-	
+
+	// 延迟断开蓝牙：选择文件/录音等会触发 onHide，8 秒内返回则不断开
+	const BLE_DISCONNECT_DELAY = 8000;
+	let _bleDisconnectTimer = null;
+
 	export default {
 
 		onLaunch: function() {
@@ -63,10 +67,10 @@
 				});
 			}
 			if (plus.os.name == 'Android') {
-				if(plus.runtime.isAgreePrivacy()){
-					initOS();	
+				if (plus.runtime.isAgreePrivacy()) {
+					initOS();
 				}
-			}else{
+			} else {
 				initOS();
 			}
 
@@ -74,7 +78,11 @@
 		},
 		onShow: function() {
 			console.log('App Show');
-
+			// 取消延迟断开：用户可能只是选文件/录音后返回，不断开蓝牙
+			if (_bleDisconnectTimer) {
+				clearTimeout(_bleDisconnectTimer);
+				_bleDisconnectTimer = null;
+			}
 			//将检查更新换到onshow,因为苹果用户喜欢一直挂着
 			// #ifdef APP|APP-PLUS
 
@@ -91,13 +99,26 @@
 		onHide: function() {
 			console.log('App Hide');
 			// #ifdef APP|APP-PLUS
+			// 上传中不主动断开：语音上传进行中则不断开蓝牙
 			let ble = bleTool.getBleTool();
-			if (ble) {
-				console.log("App隐藏了,断开所有蓝牙设备,停止搜索");
-				ble.StopSearch().catch(ex=>{});
-				ble.disconnectDevice().catch(ex=>{});
-				
+			if (ble && ble.isVoiceUploading && ble.isVoiceUploading()) {
+				console.log('App Hide: 语音上传中，不启动断开定时器');
+				return;
 			}
+			// 延迟断开：选文件/录音会短暂 onHide，8 秒内返回则不断开
+			if (_bleDisconnectTimer) clearTimeout(_bleDisconnectTimer);
+			_bleDisconnectTimer = setTimeout(() => {
+				_bleDisconnectTimer = null;
+				let ble2 = bleTool.getBleTool();
+				if (ble2) {
+					console.log("App隐藏了,断开所有蓝牙设备,停止搜索");
+					ble2.StopSearch().catch(ex => {});
+					ble2.disconnectDevice().catch(ex => {});
+					console.log("断开所有蓝牙设备");
+					
+
+				}
+			}, BLE_DISCONNECT_DELAY);
 			// #endif
 		},
 		onError(ex) {