package org.apache.twitter;
import android.app.Activity;
import android.content.Intent;
import android.net.http.RequestQueue;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;
import org.apache.commons.codec.binary.Base64;
import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
/**
* Initial screen with edit box for tweets and
* a web view to display the tweets from friends
*/
public class TwitterClient extends Activity {
static final int GET_LOGIN_INFORMATION = 1;
WebView webView;
RequestQueue requestQueue;
String authInfo;
/**
* Called with the activity is first created.
*/
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
// Set the initial text
webView = (WebView) findViewById(R.id.webView);
webView.loadData(
"Please click on setup and enter your twitter credentials",
"text/html", "utf-8");
// When they click on the set up button show the login screen
Button button = (Button) findViewById(R.id.setup);
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(TwitterClient.this, TwitterLogin.class);
startSubActivity(intent, GET_LOGIN_INFORMATION);
}
});
// When they click on the Tweet! button, then get the
// text in the edit box and send it to twitter
final Activity activity = this;
Button button2 = (Button) findViewById(R.id.update);
button2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Log.i("http", "Update clicked");
Map headers = new HashMap();
if (authInfo == null) {
return;
}
headers.put("Authorization", "Basic " + new String(Base64.encodeBase64(authInfo.getBytes())));
EditText user = (EditText) findViewById(R.id.updateText);
String text = null;
try {
text = "status=" + URLEncoder.encode(user.getText().toString(), "UTF-8");
Log.i("http", "with " + text);
} catch (UnsupportedEncodingException e) {
Log.e("http", e.getMessage());
}
byte[] bytes = text.getBytes();
ByteArrayInputStream baos = new ByteArrayInputStream(bytes);
// See Twitter API documentation for more information
// http://groups.google.com/group/twitter-development-talk/web/api-documentation
requestQueue.queueRequest(
"https://twitter.com/statuses/update.xml",
"POST", headers, new MyEventHandler2(activity), baos, bytes.length, false);
}
});
// Start a thread to update the tweets from friends every minute
requestQueue = new RequestQueue(this);
Thread t = new Thread(new MyRunnable(this));
t.start();
}
protected void onActivityResult(int requestCode, int resultCode,
String data, Bundle extras) {
if (requestCode == GET_LOGIN_INFORMATION && resultCode == RESULT_OK) {
// Save the user login information
authInfo = data;
}
}
}
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55 Comments
android.net.http.RequestQueue is not an official part of the Android API, so it might go away or change in a future release. You can tell by the {@hide} in the class-level JavaDoc comment in RequestQueue.java
JTwitter works well with Android, though it may help to remove some duplicate org.json classes from their packaged JAR.
Is there a reason for not using the DefaultHttpClient from org.apache.http.... * ?
(is there a way to post some code, some "other way to do that"? I mean having several snippets for one subject?)
And is there a way to have several files (one or two xml files, one or two java files)?
This was a very early posting from Davanum back in Nov 2007. The apache httpclient has since been updated to beta 4.0. This code won't work on current SDK. You will need to download the httpclient 3.0 jars manually; or convert to the new 4.0 framework/sdk.
This is great code. Thanks
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