com.download.android.MainActivity.java Source code

Introduction

Here is the source code for com.download.android.MainActivity.java

Source

package com.download.android;

/*
 * Copyright (C) 2013 Surviving with Android (http://www.survivingwithandroid.com)
 *
 * 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import com.example.loadimage.R;

import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

    private MenuItem item;
    private String url = "http://10.0.2.2:8080/TestAndroid/TestServlet";
    EditText edtResp;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main1);

        final EditText edtTxt = (EditText) findViewById(R.id.editText1);
        Button btnSend = (Button) findViewById(R.id.buttonSend);
        Button btnDownload = (Button) findViewById(R.id.btnDownload);
        Button btnUpload = (Button) findViewById(R.id.btnUpload);
        Button btnCookie = (Button) findViewById(R.id.btnCookie);

        edtResp = (EditText) findViewById(R.id.edtResp);

        btnSend.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                String name = edtTxt.getText().toString();
                //item.setActionView(R.layout.progress);
                SendHttpRequestTask t = new SendHttpRequestTask();

                String[] params = new String[] { url, name };
                t.execute(params);
            }
        });

        btnDownload.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent i = new Intent(MainActivity.this, DownloadActivity.class);
                startActivity(i);
            }
        });

        btnCookie.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent i = new Intent(MainActivity.this, CookieActivity.class);
                startActivity(i);
            }
        });

        btnUpload.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent i = new Intent(MainActivity.this, UploadActivity.class);
                startActivity(i);
            }
        });

    }

    private class SendHttpRequestTask extends AsyncTask<String, Void, String> {

        @Override
        protected String doInBackground(String... params) {
            String url = params[0];
            String name = params[1];

            String data = sendHttpRequest(url, name);
            System.out.println("Data [" + data + "]");
            return data;
        }

        @Override
        protected void onPostExecute(String result) {
            edtResp.setText(result);
            item.setActionView(null);

        }

    }

    private String sendHttpRequest(String url, String name) {
        StringBuffer buffer = new StringBuffer();
        try {
            System.out.println("URL [" + url + "] - Name [" + name + "]");

            // Apache HTTP Reqeust
            HttpClient client = new DefaultHttpClient();
            HttpPost post = new HttpPost(url);
            List<NameValuePair> nvList = new ArrayList<NameValuePair>();
            BasicNameValuePair bnvp = new BasicNameValuePair("name", name);
            // We can add more
            nvList.add(bnvp);
            post.setEntity(new UrlEncodedFormEntity(nvList));

            HttpResponse resp = client.execute(post);
            // We read the response
            InputStream is = resp.getEntity().getContent();
            BufferedReader reader = new BufferedReader(new InputStreamReader(is));
            StringBuilder str = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                str.append(line + "\n");
                Toast.makeText(getApplicationContext(), str.append(line + "\n"), 400).show();
            }
            is.close();
            buffer.append(str.toString());
            // Done!
        } catch (Throwable t) {
            t.printStackTrace();
        }

        return buffer.toString();
    }
}