com.michael.openexercise.mc_network.volleydemo.SSLConnectionActivity.java Source code

Java tutorial

Introduction

Here is the source code for com.michael.openexercise.mc_network.volleydemo.SSLConnectionActivity.java

Source

/**
 * Copyright 2013 Mani Selvaraj
 * <p/>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.michael.openexercise.mc_network.volleydemo;

import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;
import com.michael.openexercise.R;
import com.michael.openexercise.mc_network.volleydemo.ssl.SslHttpStack;

import org.json.JSONObject;

/**
 * Demonstrates how to execute Https (SSL) Connectivity Request using Volley library.
 *
 * @author Mani Selvaraj
 */

public class SSLConnectionActivity extends Activity {

    private final String TAG_REQUEST = "MY_TAG";
    private Button mTrigger;
    private RequestQueue mVolleyQueue;
    private ProgressDialog mProgress;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.volley_json_object_layout);

        actionBarSetup();

        // Initialise Volley Request Queue with SSL HttpStack to handle secured connection.
        mVolleyQueue = Volley.newRequestQueue(this, new SslHttpStack(true));

        mTrigger = (Button) findViewById(R.id.send_http);
        mTrigger.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showProgress();
                makeSampleHttpsRequest();
            }
        });
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    private void actionBarSetup() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            ActionBar ab = getActionBar();
            ab.setTitle("SSL Connection");
        }
    }

    public void onDestroy() {
        super.onDestroy();
    }

    /*
     * Dont forget to cancel the request when the UI is not visible.
     * @see android.app.Activity#onStop()
     */
    public void onStop() {
        super.onStop();
        if (mProgress != null)
            mProgress.dismiss();
        // Keep the list of requests dispatched in a List<Request<T>> mRequestList;
        /*
         for( Request<T> req : mRequestList) {
          req.cancel();
        }
        */
        //( or )
        //jsonObjRequest.cancel();
        //( or )
        mVolleyQueue.cancelAll(TAG_REQUEST);
    }

    private void showProgress() {
        mProgress = ProgressDialog.show(this, "", "Loading...");
    }

    private void stopProgress() {
        mProgress.cancel();
    }

    private void showToast(String msg) {
        Toast.makeText(SSLConnectionActivity.this, msg, Toast.LENGTH_LONG).show();
    }

    /*
     * The endpoint is for demo.Please use your correct endpoint to test Secured Http request.
     */
    private void makeSampleHttpsRequest() {

        String url = "https://[YOUR END POINT]";

        JsonObjectRequest jsonObjRequest = new JsonObjectRequest(Request.Method.GET, url, null,
                new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        stopProgress();
                    }
                }, new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        stopProgress();
                        showToast(error.getMessage());
                    }
                });
        jsonObjRequest.setTag(TAG_REQUEST);
        mVolleyQueue.add(jsonObjRequest);
    }
}