Sample code on how to use Unirest-java to call Mashape APIs in your Android projects

UnirestAndroid.java

    public void sendMessage(View view) {
 
    	EditText editText = (EditText) findViewById(R.id.edit_message);
    	String message = editText.getText().toString();
    	
    	TextView txtView = (TextView) findViewById(R.id.textView1);
    	txtView.setText(message);
 
    	new CallMashapeAsync().execute(message);
    }
    
    private class CallMashapeAsync extends AsyncTask<String, Integer, HttpResponse<JsonNode>> {
 
    	protected HttpResponse<JsonNode> doInBackground(String... msg) {
 
    		HttpResponse<JsonNode> request = null;
			try {
				request = Unirest.get("https://webknox-question-answering.p.mashape.com/questions/answers?question=" + msg[0] + "&answerLookup=true&answerSearch=true")
						  .header("X-Mashape-Authorization", "<Insert your Mashape key here>")
						  .asJson();
			} catch (UnirestException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
    		
    		return request;
    	}
 
    	protected void onProgressUpdate(Integer...integers) {
    	}
 
    	protected void onPostExecute(HttpResponse<JsonNode> response) {
    		String answer = response.getBody().toString();
        	TextView txtView = (TextView) findViewById(R.id.textView1);
        	txtView.setText(answer);
    	}
    }

I am getting NoClassDefFoundError: Failed resolution of: Ljavax/naming/ldap/LdapName;. Can you please help me to resolve this issue.

Same error for me please help

same error how to fix this