蓝牙开始、结束搜索添加状态判定

utils/BleHelper.js

@@ -511,9 +511,11 @@ class BleHelper {
 
 						uni.onBluetoothAdapterStateChange((state) => {
 							// console.log('蓝牙状态发生变化:' + JSON.stringify(state));
+							this.data.discovering = state.discovering;
+							
 							if (this.data.available !== state.available) {
 								this.data.available = state.available;
-								this.data.discovering = state.discovering;
+								
 								if (this.data.available && this.data
 									.isOpenBlue) { //蓝牙状态再次可用，重连所有设备
 
@@ -870,10 +872,7 @@ class BleHelper {
 			return Promise.resolve();
 		}
 		return new Promise((resolve, reject) => {
-			this.data.available = false;
-			this.data.discovering = false;
-			this.data.isOpenBlue = false;
-			this.data.searchList = [];
+
 
 			this.StopSearch();
 
@@ -882,15 +881,19 @@ class BleHelper {
 			uni.closeBluetoothAdapter({
 				success: () => {
 					// console.log("蓝牙模块已关闭");
-
+					this.data.available = false;
+					this.data.discovering = false;
+					this.data.isOpenBlue = false;
+					this.data.searchList = [];
+					resolve();
 				},
 				fail: (ex) => {
 					console.error('无法关闭蓝牙模块:', ex);
 					ex = this.getError(ex);
-
+					reject(ex);
 				},
 				complete: () => {
-					resolve();
+
 				}
 			});
 
@@ -963,7 +966,8 @@ class BleHelper {
 
 	//停止搜索
 	StopSearch() {
-		if (this.data.platform == 'web') {
+		if (this.data.platform == 'web' || !this.data.discovering) {
+			console.error("web平台或当前没有搜索,直接返回");
 			return Promise.resolve();
 		}
 		let p1 = new Promise((resolve, reject) => {
@@ -1481,7 +1485,9 @@ class BleHelper {
 
 								// 处理 MTU 设置
 								if (plus.os.name === 'Android') {
-									this.setMtu(deviceId);
+									this.setMtu(deviceId).catch(ex=>{
+										console.error("mtu设置失败=",ex);
+									});
 								}
 								resolve(true);
 
@@ -1579,12 +1585,11 @@ class BleHelper {
 					_succ(mtuRes);
 				},
 				fail: (ex) => {
-					console.error(
-						"mtu设置失败", ex);
+			
 					ex = this.getError(ex);
 					_err(
 						ex
-					); // MTU设置失败不影响连接成功
+					); 
 				},
 				complete() {
 					console.log("设置mtu完毕");