package com.survivingwithandroid.httperror;
/*
* 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.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import com.survivingwithandroid.httperror.R;
import android.net.ConnectivityManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.IntentFilter;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
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.activity_main);
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);
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);
}
});
btnUpload.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(MainActivity.this, UploadActivity.class);
startActivity(i);
}
});
registerReceiver(new ConnectionMonitorReceiver(), new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
item = menu.getItem(0);
return true;
}
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+"]");
/*
HttpURLConnection con = (HttpURLConnection) ( new URL(url)).openConnection();
con.setRequestMethod("POST");
con.setDoInput(true);
con.setDoOutput(true);
con.connect();
*/
HttpClient client = HttpClient.getInstance();
client.setUrl(url);
client.setHandler(new DefaultHttpConnectionRetryHandler());
client.connect("POST", null);
HttpURLConnection con = client.getConnection();
con.getOutputStream().write( ("name=" + name).getBytes());
InputStream is = con.getInputStream();
byte[] b = new byte[1024];
while ( is.read(b) != -1)
buffer.append(new String(b));
con.disconnect();
}
catch(Throwable t) {
System.out.println("Connection error.");
t.printStackTrace();
}
return buffer.toString();
}
}