mqtt - w3toppers.com

Background Services are restricted in Xiaomi and Oppo

Finally I’ve found the answer here private static final Intent[] POWERMANAGER_INTENTS = { new Intent().setComponent(new ComponentName(“com.miui.securitycenter”, “com.miui.permcenter.autostart.AutoStartManagementActivity”)), new Intent().setComponent(new ComponentName(“com.letv.android.letvsafe”, “com.letv.android.letvsafe.AutobootManageActivity”)), new Intent().setComponent(new ComponentName(“com.huawei.systemmanager”, “com.huawei.systemmanager.startupmgr.ui.StartupNormalAppListActivity”)), new Intent().setComponent(new ComponentName(“com.huawei.systemmanager”, “com.huawei.systemmanager.optimize.process.ProtectActivity”)), new Intent().setComponent(new ComponentName(“com.huawei.systemmanager”, “com.huawei.systemmanager.appcontrol.activity.StartupAppControlActivity”)), new Intent().setComponent(new ComponentName(“com.coloros.safecenter”, “com.coloros.safecenter.permission.startup.StartupAppListActivity”)), new Intent().setComponent(new ComponentName(“com.coloros.safecenter”, “com.coloros.safecenter.startupapp.StartupAppListActivity”)), new Intent().setComponent(new ComponentName(“com.oppo.safe”, “com.oppo.safe.permission.startup.StartupAppListActivity”)), new Intent().setComponent(new ComponentName(“com.iqoo.secure”, “com.iqoo.secure.ui.phoneoptimize.AddWhiteListActivity”)), new Intent().setComponent(new ComponentName(“com.iqoo.secure”, “com.iqoo.secure.ui.phoneoptimize.BgStartUpManager”)), new Intent().setComponent(new … Read more

Basic Steps for Using MQTT in android

You need: an MQTT broker which runs on the server side. This could be something like the mosquitto broker which is Open Source. an MQTT client library which you include in your Android app, enabling your app to connect, subscribe, and publish messages. There are a number of Java options listed at http://mqtt.org/software to come … Read more

How to test the `Mosquitto` server?

In separate terminal windows do the following: Start the broker: mosquitto Start the command line subscriber: mosquitto_sub -v -t ‘test/topic’ Publish test message with the command line publisher: mosquitto_pub -t ‘test/topic’ -m ‘helloWorld’ As well as seeing both the subscriber and publisher connection messages in the broker terminal the following should be printed in the … Read more

Mosquitto: Starting in local only mode

Starting with the release of Mosquitto version 2.0.0 (you are running v2.0.2) the default config will only bind to localhost as a move to a more secure default posture. If you want to be able to access the broker from other machines you will need to explicitly edit the config files to either add a … Read more

Why an instance of class MqttClient must be enclosed by try/catch?

The instance doesn’t need to be surrounded by try/catch, but the constructor invocation does, or else needs to be within a method that is declared to throw that exception.