android通过mqtt协议连接OneNET云平台设备并传输数据
1.build.gradle(app)添加依赖implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.1.0'implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.1.1'2.AndroidManifest.xml<uses-permission android:name="android.permission.IN
