我认为MQTT最适合你。你可以使用Eclipse Paho库。这个类可能会对你有所帮助。
公共类PahoMqttClient {
private static final String TAG = "PahoMqttClient";
private MqttAndroidClient mqttAndroidClient;
私有的字符串变量 broker_userName 和 broker_password;
public MqttAndroidClient getMqttClient(Context context, String brokerUrl, String clientId,String broker_password) {
this.broker_userName=clientId;
this.broker_password=broker_password;
mqttAndroidClient = new MqttAndroidClient(context, brokerUrl, clientId);
try {
IMqttToken token = mqttAndroidClient.connect(getMqttConnectionOption(), null, new IMqttActionListener() {
@Override
public void onSuccess(IMqttToken iMqttToken) {
Log.d(TAG, "Success");
}
@Override
public void onFailure(IMqttToken iMqttToken, Throwable exception) {
Log.d(TAG, "Failure " + exception.toString());
}
});
} catch (MqttException e) {
e.printStackTrace();
}
return mqttAndroidClient;
}
public void disconnect(@NonNull MqttAndroidClient client) throws MqttException {
IMqttToken mqttToken = client.disconnect();
mqttToken.setActionCallback(new IMqttActionListener() {
@Override
public void onSuccess(IMqttToken iMqttToken) {
Log.d(TAG, "Successfully disconnected");
}
@Override
public void onFailure(IMqttToken iMqttToken, Throwable throwable) {
Log.d(TAG, "Failed to disconnected " + throwable.toString());
}
});
}
@NonNull
private DisconnectedBufferOptions getDisconnectedBufferOptions() {
DisconnectedBufferOptions disconnectedBufferOptions = new DisconnectedBufferOptions();
disconnectedBufferOptions.setBufferEnabled(true);
disconnectedBufferOptions.setBufferSize(100);
disconnectedBufferOptions.setPersistBuffer(false);
disconnectedBufferOptions.setDeleteOldestMessages(false);
return disconnectedBufferOptions;
}
@NonNull
private MqttConnectOptions getMqttConnectionOption() {
MqttConnectOptions mqttConnectOptions = new MqttConnectOptions();
mqttConnectOptions.setCleanSession(false);
mqttConnectOptions.setAutomaticReconnect(true);
mqttConnectOptions.setKeepAliveInterval(120);
mqttConnectOptions.setUserName(broker_userName);
mqttConnectOptions.setPassword(broker_password.toCharArray());
return mqttConnectOptions;
}
public void publishMessage(@NonNull MqttAndroidClient client, @NonNull String msg, int qos, @NonNull String topic)
throws MqttException, UnsupportedEncodingException {
byte[] encodedPayload = new byte[0];
encodedPayload = msg.getBytes("UTF-8");
MqttMessage message = new MqttMessage(encodedPayload);
message.setId(320);
message.setRetained(false);
message.setQos(qos);
try {
client.publish(topic, message);
}catch (Exception e){ Log.e("PUB", e.getMessage());}
}
public void subscribe(@NonNull MqttAndroidClient client, @NonNull final String topic, int qos) throws MqttException {
IMqttToken token = client.subscribe(topic, qos);
token.setActionCallback(new IMqttActionListener() {
@Override
public void onSuccess(IMqttToken iMqttToken) {
Log.d(TAG, "Subscribe Successfully " + topic);
}
@Override
public void onFailure(IMqttToken iMqttToken, Throwable throwable) {
Log.e(TAG, "Subscribe Failed " + topic);
}
});
}
public void unSubscribe(@NonNull MqttAndroidClient client, @NonNull final String topic) throws MqttException {
IMqttToken token = client.unsubscribe(topic);
token.setActionCallback(new IMqttActionListener() {
@Override
public void onSuccess(IMqttToken iMqttToken) {
Log.d(TAG, "UnSubscribe Successfully " + topic);
}
@Override
public void onFailure(IMqttToken iMqttToken, Throwable throwable) {
Log.e(TAG, "UnSubscribe Failed " + topic);
}
});
}
}