/**
* Generate a UI dialog for the request action in the given Android context with the provided
* parameters.
*
* <p>Note that this method is asynchronous and the callback will be invoked in the original
* calling thread (not in a background thread).
*
* @param context The Android context in which we will generate this dialog.
* @param action String representation of the desired method: e.g. "feed" ...
* @param parameters String key-value pairs to be passed as URL parameters.
* @param listener Callback interface to notify the application when the dialog has completed.
*/
public void dialog(
Context context, String action, Bundle parameters, final DialogListener listener) {
String endpoint = DIALOG_BASE_URL + action;
parameters.putString("display", "touch");
parameters.putString("redirect_uri", REDIRECT_URI);
if (action.equals(LOGIN)) {
parameters.putString("type", "user_agent");
parameters.putString("client_id", mAppId);
} else {
parameters.putString("app_id", mAppId);
}
if (isSessionValid()) {
parameters.putString(TOKEN, getAccessToken());
}
String url = endpoint + "?" + Util.encodeUrl(parameters);
if (context.checkCallingOrSelfPermission(Manifest.permission.INTERNET)
!= PackageManager.PERMISSION_GRANTED) {
Util.showAlert(context, "Error", "Application requires permission to access the Internet");
} else {
new FbDialog(context, url, listener).show();
}
}
