import fi.vtt.nubomedia.jsonrpcwsandroid.JsonRpcWebSocketClient; //导入依赖的package包/类
/**
 * Opens a web socket connection to the predefined URI as provided in the constructor.
 * The method responds immediately, whether or not the connection is opened.
 * The method isWebSocketConnected() should be called to ensure that the connection is open.
 */
public void connectWebSocket() {
    try {
        if(isWebSocketConnected()){
            return;
        }
        URI uri = new URI(wsUri);
        client = new JsonRpcWebSocketClient(uri, this,executor);
        if (webSocketClientFactory != null) {
            client.setWebSocketFactory(webSocketClientFactory);
        }
        executor.execute(new Runnable() {
            public void run() {
                client.connect();
            }
        });

    } catch (Exception exc){
        Log.e(LOG_TAG, "connectWebSocket", exc);
    }
}
 

import fi.vtt.nubomedia.jsonrpcwsandroid.JsonRpcWebSocketClient; //导入依赖的package包/类
/**
 * Opens a web socket connection to the predefined URI as provided in the constructor.
 * The method responds immediately, whether or not the connection is opened.
 * The method isWebSocketConnected() should be called to ensure that the connection is open.
 */
public void connectWebSocket() {
    try {
        if(isWebSocketConnected()){
            return;
        }
        URI uri = new URI(wsUri);
        client = new JsonRpcWebSocketClient(uri, this,executor);
        if (webSocketClientFactory != null) {
            client.setWebSocketFactory(webSocketClientFactory);
        }
        executor.execute(new Runnable() {
            public void run() {
                client.connect();
            }
        });
    } catch (Exception exc){
        Log.e(LOG_TAG, "connectWebSocket", exc);
    }
}
 

import fi.vtt.nubomedia.jsonrpcwsandroid.JsonRpcWebSocketClient; //导入依赖的package包/类
/**
 * Method to check if the web socket connection is connected.
 *
 * @return true if the connection state is connected, and false otherwise.
 */
public boolean isWebSocketConnected(){
    if(client!=null){
        return (client.getConnectionState().equals(JsonRpcWebSocketClient.WebSocketConnectionState.CONNECTED));
    } else {
        return false;
    }
}