Android Hackbook and Facebook SDK

Hackbook is great for learning Facebook SDK and Android development.

Hackbook Place Check-in

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();

Hackbook Upload Photo

import android.provider.MediaStore;

final static int PICK_EXISTING_PHOTO_RESULT_CODE = 1;

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();
}


@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;
}

//}
}



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();
        }
    }

Hackbook Get Friends Graph API

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();


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();
        }
    }

Hackbook Update Status

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);


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();
        }
    }