/*
* Copyright 2004 - Present 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.
*/
package com.facebook.android;
import java.io.IOException;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.MediaStore;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.facebook.android.SessionEvents.AuthListener;
import com.facebook.android.SessionEvents.LogoutListener;
public class Hackbook extends Activity implements OnItemClickListener {
/*
* 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 = "157111564357680";
private LoginButton mLoginButton;
private TextView mText;
private ImageView mUserPic;
private Handler mHandler;
ProgressDialog dialog;
final static int AUTHORIZE_ACTIVITY_RESULT_CODE = 0;
final static int PICK_EXISTING_PHOTO_RESULT_CODE = 1;
private String graph_or_fql;
private ListView list;
String[] main_items = { "Update Status", "App Requests", "Get Friends", "Upload Photo",
"Place Check-in", "Run FQL Query", "Graph API Explorer", "Token Refresh" };
String[] permissions = { "offline_access", "publish_stream", "user_photos", "publish_checkins",
"photo_upload" };
/** 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 FbAPIs.java");
return;
}
setContentView(R.layout.main);
mHandler = new Handler();
mText = (TextView) Hackbook.this.findViewById(R.id.txt);
mUserPic = (ImageView) Hackbook.this.findViewById(R.id.user_pic);
// Create the Facebook Object using the app id.
Utility.mFacebook = new Facebook(APP_ID);
// Instantiate the asynrunner object for asynchronous api calls.
Utility.mAsyncRunner = new AsyncFacebookRunner(Utility.mFacebook);
mLoginButton = (LoginButton) findViewById(R.id.login);
// restore session if one exists
SessionStore.restore(Utility.mFacebook, this);
SessionEvents.addAuthListener(new FbAPIsAuthListener());
SessionEvents.addLogoutListener(new FbAPIsLogoutListener());
/*
* Source Tag: login_tag
*/
mLoginButton.init(this, AUTHORIZE_ACTIVITY_RESULT_CODE, Utility.mFacebook, permissions);
if (Utility.mFacebook.isSessionValid()) {
requestUserData();
}
list = (ListView) findViewById(R.id.main_list);
list.setOnItemClickListener(this);
list.setAdapter(new ArrayAdapter<String>(this, R.layout.main_list_item, main_items));
}
@Override
public void onResume() {
super.onResume();
if(Utility.mFacebook != null) {
if (!Utility.mFacebook.isSessionValid()) {
mText.setText("You are logged out! ");
mUserPic.setImageBitmap(null);
} else {
Utility.mFacebook.extendAccessTokenIfNeeded(this, null);
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
/*
* if this is the activity result from authorization flow, do a call
* back to authorizeCallback Source Tag: login_tag
*/
case AUTHORIZE_ACTIVITY_RESULT_CODE: {
Utility.mFacebook.authorizeCallback(requestCode, resultCode, data);
break;
}
/*
* if this is the result for a photo picker from the gallery, upload
* the image after scaling it. You can use the Utility.scaleImage()
* function for scaling
*/
case PICK_EXISTING_PHOTO_RESULT_CODE: {
if (resultCode == Activity.RESULT_OK) {
Uri photoUri = data.getData();
if (photoUri != null) {
Bundle params = new Bundle();
try {
params.putByteArray("photo",
Utility.scaleImage(getApplicationContext(), photoUri));
} catch (IOException e) {
e.printStackTrace();
}
params.putString("caption", "FbAPIs Sample App photo upload");
Utility.mAsyncRunner.request("me/photos", params, "POST",
new PhotoUploadListener(), null);
} else {
Toast.makeText(getApplicationContext(),
"Error selecting image from the gallery.", Toast.LENGTH_SHORT)
.show();
}
} else {
Toast.makeText(getApplicationContext(), "No image selected for upload.",
Toast.LENGTH_SHORT).show();
}
break;
}
}
}
@Override
public void onItemClick(AdapterView<?> arg0, View v, int position, long arg3) {
switch (position) {
/*
* Source Tag: update_status_tag Update user's status by invoking the
* feed dialog To post to a friend's wall, provide his uid in the 'to'
* parameter Refer to
* https://developers.facebook.com/docs/reference/dialogs/feed/ for more
* info.
*/
case 0: {
Bundle params = new Bundle();
params.putString("caption", getString(R.string.app_name));
params.putString("description", getString(R.string.app_desc));
params.putString("picture", Utility.HACK_ICON_URL);
params.putString("name", getString(R.string.app_action));
Utility.mFacebook.dialog(Hackbook.this, "feed", params, new UpdateStatusListener());
String access_token = Utility.mFacebook.getAccessToken();
System.out.println(access_token);
break;
}
/*
* Source Tag: app_requests Send an app request to friends. If no
* friend is specified, the user will see a friend selector and will
* be able to select a maximum of 50 recipients. To send request to
* specific friend, provide the uid in the 'to' parameter Refer to
* https://developers.facebook.com/docs/reference/dialogs/requests/
* for more info.
*/
case 1: {
Bundle params = new Bundle();
params.putString("message", getString(R.string.request_message));
Utility.mFacebook.dialog(Hackbook.this, "apprequests", params,
new AppRequestsListener());
break;
}
/*
* Source Tag: friends_tag You can get friends using
* graph.facebook.com/me/friends, this returns the list sorted by
* UID OR using the friend table. With this you can sort the way you
* want it.
* Friend table - https://developers.facebook.com/docs/reference/fql/friend/
* User table - https://developers.facebook.com/docs/reference/fql/user/
*/
case 2: {
if (!Utility.mFacebook.isSessionValid()) {
Util.showAlert(this, "Warning", "You must first log in.");
} else {
dialog = ProgressDialog.show(Hackbook.this, "",
getString(R.string.please_wait), true, true);
new AlertDialog.Builder(this)
.setTitle(R.string.Graph_FQL_title)
.setMessage(R.string.Graph_FQL_msg)
.setPositiveButton(R.string.graph_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
graph_or_fql = "graph";
Bundle params = new Bundle();
params.putString("fields", "name, picture, location");
Utility.mAsyncRunner.request("me/friends", params,
new FriendsRequestListener());
}
})
.setNegativeButton(R.string.fql_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
graph_or_fql = "fql";
String query = "select name, current_location, uid, pic_square from user where uid in (select uid2 from friend where uid1=me()) order by name";
Bundle params = new Bundle();
params.putString("method", "fql.query");
params.putString("query", query);
Utility.mAsyncRunner.request(null, params,
new FriendsRequestListener());
}
}).setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface d) {
dialog.dismiss();
}
}).show();
}
break;
}
/*
* Source Tag: upload_photo You can upload a photo from the media
* gallery or from a remote server How to upload photo:
* https://developers.facebook.com/blog/post/498/
*/
case 3: {
if (!Utility.mFacebook.isSessionValid()) {
Util.showAlert(this, "Warning", "You must first log in.");
} else {
dialog = ProgressDialog.show(Hackbook.this, "",
getString(R.string.please_wait), true, true);
new AlertDialog.Builder(this)
.setTitle(R.string.gallery_remote_title)
.setMessage(R.string.gallery_remote_msg)
.setPositiveButton(R.string.gallery_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(Intent.ACTION_PICK,
(MediaStore.Images.Media.EXTERNAL_CONTENT_URI));
startActivityForResult(intent,
PICK_EXISTING_PHOTO_RESULT_CODE);
}
})
.setNegativeButton(R.string.remote_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
/*
* Source tag: upload_photo_tag
*/
Bundle params = new Bundle();
params.putString("url",
"http://www.facebook.com/images/devsite/iphone_connect_btn.jpg");
params.putString("caption",
"FbAPIs Sample App photo upload");
Utility.mAsyncRunner.request("me/photos", params,
"POST", new PhotoUploadListener(), null);
}
}).setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface d) {
dialog.dismiss();
}
}).show();
}
break;
}
/*
* User can check-in to a place, you require publish_checkins
* permission for that. You can use the default Times Square
* location or fetch user's current location. Get user's checkins:
* https://developers.facebook.com/docs/reference/api/checkin/
*/
case 4: {
final Intent myIntent = new Intent(getApplicationContext(), Places.class);
new AlertDialog.Builder(this)
.setTitle(R.string.get_location)
.setMessage(R.string.get_default_or_new_location)
.setPositiveButton(R.string.current_location_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
myIntent.putExtra("LOCATION", "current");
startActivity(myIntent);
}
})
.setNegativeButton(R.string.times_square_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
myIntent.putExtra("LOCATION", "times_square");
startActivity(myIntent);
}
}).show();
break;
}
case 5: {
if (!Utility.mFacebook.isSessionValid()) {
Util.showAlert(this, "Warning", "You must first log in.");
} else {
new FQLQuery(Hackbook.this).show();
}
break;
}
/*
* This is advanced feature where you can request new permissions
* Browser user's graph, his fields and connections. This is similar
* to the www version:
* http://developers.facebook.com/tools/explorer/
*/
case 6: {
Intent myIntent = new Intent(getApplicationContext(), GraphExplorer.class);
if (Utility.mFacebook.isSessionValid()) {
Utility.objectID = "me";
}
startActivity(myIntent);
break;
}
case 7: {
if(!Utility.mFacebook.isSessionValid()) {
Util.showAlert(this, "Warning", "You must first log in.");
} else {
new TokenRefreshDialog(Hackbook.this).show();
}
}
}
}
/*
* callback for the feed dialog which updates the profile status
*/
public class UpdateStatusListener extends BaseDialogListener {
@Override
public void onComplete(Bundle values) {
final String postId = values.getString("post_id");
if (postId != null) {
new UpdateStatusResultDialog(Hackbook.this, "Update Status executed", values)
.show();
} else {
Toast toast = Toast.makeText(getApplicationContext(), "No wall post made",
Toast.LENGTH_SHORT);
toast.show();
}
}
@Override
public void onFacebookError(FacebookError error) {
Toast.makeText(getApplicationContext(), "Facebook Error: " + error.getMessage(),
Toast.LENGTH_SHORT).show();
}
@Override
public void onCancel() {
Toast toast = Toast.makeText(getApplicationContext(), "Update status cancelled",
Toast.LENGTH_SHORT);
toast.show();
}
}
/*
* callback for the apprequests dialog which sends an app request to user's
* friends.
*/
public class AppRequestsListener extends BaseDialogListener {
@Override
public void onComplete(Bundle values) {
Toast toast = Toast.makeText(getApplicationContext(), "App request sent",
Toast.LENGTH_SHORT);
toast.show();
}
@Override
public void onFacebookError(FacebookError error) {
Toast.makeText(getApplicationContext(), "Facebook Error: " + error.getMessage(),
Toast.LENGTH_SHORT).show();
}
@Override
public void onCancel() {
Toast toast = Toast.makeText(getApplicationContext(), "App request cancelled",
Toast.LENGTH_SHORT);
toast.show();
}
}
/*
* callback after friends are fetched via me/friends or fql query.
*/
public class FriendsRequestListener extends BaseRequestListener {
@Override
public void onComplete(final String response, final Object state) {
dialog.dismiss();
Intent myIntent = new Intent(getApplicationContext(), FriendsList.class);
myIntent.putExtra("API_RESPONSE", response);
myIntent.putExtra("METHOD", graph_or_fql);
startActivity(myIntent);
}
public void onFacebookError(FacebookError error) {
dialog.dismiss();
Toast.makeText(getApplicationContext(), "Facebook Error: " + error.getMessage(),
Toast.LENGTH_SHORT).show();
}
}
/*
* callback for the photo upload
*/
public class PhotoUploadListener extends BaseRequestListener {
@Override
public void onComplete(final String response, final Object state) {
dialog.dismiss();
mHandler.post(new Runnable() {
@Override
public void run() {
new UploadPhotoResultDialog(Hackbook.this, "Upload Photo executed", response)
.show();
}
});
}
public void onFacebookError(FacebookError error) {
dialog.dismiss();
Toast.makeText(getApplicationContext(), "Facebook Error: " + error.getMessage(),
Toast.LENGTH_LONG).show();
}
}
public class FQLRequestListener extends BaseRequestListener {
@Override
public void onComplete(final String response, final Object state) {
mHandler.post(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(), "Response: " + response,
Toast.LENGTH_LONG).show();
}
});
}
public void onFacebookError(FacebookError error) {
Toast.makeText(getApplicationContext(), "Facebook Error: " + error.getMessage(),
Toast.LENGTH_LONG).show();
}
}
/*
* Callback for fetching current user's name, picture, uid.
*/
public class UserRequestListener extends BaseRequestListener {
@Override
public void onComplete(final String response, final Object state) {
JSONObject jsonObject;
try {
jsonObject = new JSONObject(response);
final String picURL = jsonObject.getString("picture");
final String name = jsonObject.getString("name");
Utility.userUID = jsonObject.getString("id");
mHandler.post(new Runnable() {
@Override
public void run() {
mText.setText("Welcome " + name + "!");
mUserPic.setImageBitmap(Utility.getBitmap(picURL));
}
});
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/*
* The Callback for notifying the application when authorization succeeds or
* fails.
*/
public class FbAPIsAuthListener implements AuthListener {
@Override
public void onAuthSucceed() {
requestUserData();
}
@Override
public void onAuthFail(String error) {
mText.setText("Login Failed: " + error);
}
}
/*
* The Callback for notifying the application when log out starts and
* finishes.
*/
public class FbAPIsLogoutListener implements LogoutListener {
@Override
public void onLogoutBegin() {
mText.setText("Logging out...");
}
@Override
public void onLogoutFinish() {
mText.setText("You have logged out! ");
mUserPic.setImageBitmap(null);
}
}
/*
* Request user name, and picture to show on the main screen.
*/
public void requestUserData() {
mText.setText("Fetching user name, profile pic...");
Bundle params = new Bundle();
params.putString("fields", "name, picture");
Utility.mAsyncRunner.request("me", params, new UserRequestListener());
}
/**
* Definition of the list adapter
*/
public class MainListAdapter extends BaseAdapter {
private LayoutInflater mInflater;
public MainListAdapter() {
mInflater = LayoutInflater.from(Hackbook.this.getBaseContext());
}
@Override
public int getCount() {
return main_items.length;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View hView = convertView;
if (convertView == null) {
hView = mInflater.inflate(R.layout.main_list_item, null);
ViewHolder holder = new ViewHolder();
holder.main_list_item = (TextView) hView.findViewById(R.id.main_api_item);
hView.setTag(holder);
}
ViewHolder holder = (ViewHolder) hView.getTag();
holder.main_list_item.setText(main_items[position]);
return hView;
}
}
class ViewHolder {
TextView main_list_item;
}
}