/* * Edited by Zhikai Wang Feb 1,2011 * One more button added, list all friends of the current user. * It is best to create a Facebook application. * Trouble-shoot some xml files. */ /* * Copyright 2010 Facebook, Inc. * * 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. */ //http://developers.facebook.com/docs/reference/api/user/ // create button // add listener package com.facebook.android; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import com.facebook.android.SessionEvents.AuthListener; import com.facebook.android.SessionEvents.LogoutListener; public class Example extends Activity { // Your Facebook Application ID must be set before running this example // See http://www.facebook.com/developers/createapp.php //public static final String APP_ID = "175729095772478"; public static final String APP_ID = "187371154617134"; private LoginButton mLoginButton; private TextView mText; private Button mRequestButton; // Jan 30,2011 private Button mListFriendsButton; private Button mPostButton; private Button mDeleteButton; private Button mUploadButton; private Facebook mFacebook; private AsyncFacebookRunner mAsyncRunner; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (APP_ID == null) { Util.showAlert(this, "Warning", "Facebook Applicaton ID must be " + "specified before running this example: see Example.java"); } setContentView(R.layout.main); mLoginButton = (LoginButton) findViewById(R.id.login); mText = (TextView) Example.this.findViewById(R.id.txt); mRequestButton = (Button) findViewById(R.id.requestButton); mListFriendsButton = (Button) findViewById(R.id.listFriendsButton); mPostButton = (Button) findViewById(R.id.postButton); mDeleteButton = (Button) findViewById(R.id.deletePostButton); mUploadButton = (Button) findViewById(R.id.uploadButton); mFacebook = new Facebook(APP_ID); mAsyncRunner = new AsyncFacebookRunner(mFacebook); SessionStore.restore(mFacebook, this); SessionEvents.addAuthListener(new SampleAuthListener()); SessionEvents.addLogoutListener(new SampleLogoutListener()); mLoginButton.init(this, mFacebook); mRequestButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mAsyncRunner.request("me", new SampleRequestListener()); } }); mListFriendsButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { //mAsyncRunner.request("me", new SampleListFriendsListener()); //work //me/friends mAsyncRunner.request("me/friends", new SampleListFriendsListener()); } }); mRequestButton.setVisibility(mFacebook.isSessionValid() ? View.VISIBLE : View.INVISIBLE); mListFriendsButton.setVisibility(mFacebook.isSessionValid() ? View.VISIBLE : View.INVISIBLE); mUploadButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Bundle params = new Bundle(); params.putString("method", "photos.upload"); URL uploadFileUrl = null; try { uploadFileUrl = new URL( "http://www.facebook.com/images/devsite/iphone_connect_btn.jpg"); } catch (MalformedURLException e) { e.printStackTrace(); } try { HttpURLConnection conn= (HttpURLConnection)uploadFileUrl.openConnection(); conn.setDoInput(true); conn.connect(); int length = conn.getContentLength(); byte[] imgData =new byte[length]; InputStream is = conn.getInputStream(); is.read(imgData); params.putByteArray("picture", imgData); } catch (IOException e) { e.printStackTrace(); } mAsyncRunner.request(null, params, "POST", new SampleUploadListener(), null); } }); mUploadButton.setVisibility(mFacebook.isSessionValid() ? View.VISIBLE : View.INVISIBLE); mPostButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mFacebook.dialog(Example.this, "feed", new SampleDialogListener()); } }); mPostButton.setVisibility(mFacebook.isSessionValid() ? View.VISIBLE : View.INVISIBLE); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { mFacebook.authorizeCallback(requestCode, resultCode, data); } public class SampleAuthListener implements AuthListener { public void onAuthSucceed() { mText.setText("You have logged in! "); mRequestButton.setVisibility(View.VISIBLE); mListFriendsButton.setVisibility(View.VISIBLE); mUploadButton.setVisibility(View.VISIBLE); mPostButton.setVisibility(View.VISIBLE); } public void onAuthFail(String error) { mText.setText("Login Failed: " + error); } } public class SampleLogoutListener implements LogoutListener { public void onLogoutBegin() { mText.setText("Logging out..."); } public void onLogoutFinish() { mText.setText("You have logged out! "); mRequestButton.setVisibility(View.INVISIBLE); mListFriendsButton.setVisibility(View.INVISIBLE); mUploadButton.setVisibility(View.INVISIBLE); mPostButton.setVisibility(View.INVISIBLE); } } public class SampleListFriendsListener extends BaseRequestListener { public String parseResonse( final String response) { //"name": "Bruce Lee", String result = ""; Pattern p = Pattern.compile("\"name\"[^\"]+\"[^\"]+\""); Matcher m = p.matcher(response); while (m.find()) { String tmp = m.group(); //tmp = tmp.substring(start) String[] tmp2 = tmp.split("\""); result += tmp2[3]; result +=";"; } //return response; //return result+"\n===\n"+response; return result; } public void onComplete(final String response, final Object state) { try { // process the response here: executed in background thread //Log.d("Facebook-Example", "Response: " + response.toString()); JSONObject json = Util.parseJson(response); final String name2 = json.getString("data"); String sum = parseResonse(name2); //response. //json.getString("data") //for (String s:json.getString("data")) final String name = sum; //final String name = json.toString(); // then post the processed result back to the UI thread // if we do not do this, an runtime exception will be generated // e.g. "CalledFromWrongThreadException: Only the original // thread that created a view hierarchy can touch its views." Example.this.runOnUiThread(new Runnable() { public void run() { //mText.setText("Friends list: \n" + name + "\n"+name2); mText.setText("Friends list: \n" + name ); } }); } catch (JSONException e) { Log.w("Facebook-Example", "JSON Error in response"); } catch (FacebookError e) { Log.w("Facebook-Example", "Facebook Error: " + e.getMessage()); } } } public class SampleRequestListener extends BaseRequestListener { public void onComplete(final String response, final Object state) { try { // process the response here: executed in background thread Log.d("Facebook-Example", "Response: " + response.toString()); JSONObject json = Util.parseJson(response); final String name = json.getString("name"); // then post the processed result back to the UI thread // if we do not do this, an runtime exception will be generated // e.g. "CalledFromWrongThreadException: Only the original // thread that created a view hierarchy can touch its views." Example.this.runOnUiThread(new Runnable() { public void run() { mText.setText("Hello there, " + name + ", again and again!"); } }); } catch (JSONException e) { Log.w("Facebook-Example", "JSON Error in response"); } catch (FacebookError e) { Log.w("Facebook-Example", "Facebook Error: " + e.getMessage()); } } } public class SampleUploadListener extends BaseRequestListener { public void onComplete(final String response, final Object state) { try { // process the response here: (executed in background thread) Log.d("Facebook-Example", "Response: " + response.toString()); JSONObject json = Util.parseJson(response); final String src = json.getString("src"); // then post the processed result back to the UI thread // if we do not do this, an runtime exception will be generated // e.g. "CalledFromWrongThreadException: Only the original // thread that created a view hierarchy can touch its views." Example.this.runOnUiThread(new Runnable() { public void run() { mText.setText("Hello there, photo has been uploaded at \n" + src); } }); } catch (JSONException e) { Log.w("Facebook-Example", "JSON Error in response"); } catch (FacebookError e) { Log.w("Facebook-Example", "Facebook Error: " + e.getMessage()); } } } public class WallPostRequestListener extends BaseRequestListener { public void onComplete(final String response, final Object state) { Log.d("Facebook-Example", "Got response: " + response); String message = ""; try { JSONObject json = Util.parseJson(response); message = json.getString("message"); } catch (JSONException e) { Log.w("Facebook-Example", "JSON Error in response"); } catch (FacebookError e) { Log.w("Facebook-Example", "Facebook Error: " + e.getMessage()); } final String text = "Your Wall Post: " + message; Example.this.runOnUiThread(new Runnable() { public void run() { mText.setText(text); } }); } } public class WallPostDeleteListener extends BaseRequestListener { public void onComplete(final String response, final Object state) { if (response.equals("true")) { Log.d("Facebook-Example", "Successfully deleted wall post"); Example.this.runOnUiThread(new Runnable() { public void run() { mDeleteButton.setVisibility(View.INVISIBLE); mText.setText("Deleted Wall Post"); } }); } else { Log.d("Facebook-Example", "Could not delete wall post"); } } } public class SampleDialogListener extends BaseDialogListener { public void onComplete(Bundle values) { final String postId = values.getString("post_id"); if (postId != null) { Log.d("Facebook-Example", "Dialog Success! post_id=" + postId); mAsyncRunner.request(postId, new WallPostRequestListener()); mDeleteButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mAsyncRunner.request(postId, new Bundle(), "DELETE", new WallPostDeleteListener(), null); } }); mDeleteButton.setVisibility(View.VISIBLE); } else { Log.d("Facebook-Example", "No wall post made"); } } } }