Fake Caller App

Table of Contents

1. Overview
2. Product Spec
3. Wireframes
4. Schema

Overview

Description

A Fake Caller App creates fake calls that might be helpful in dangerous situations during alone night-time walking home, utilizing Parse for backend (Back4App).

Used language: Java

App Evaluation

• Category: Utility app
• Mobile: Works like the Android phone app
• Story: Help protect women/girls during alone night-time walking home
• Market: Women who don't feel safe walking at night
• Habit: Possibly daily use
• Scope: Might be a bit challenging because of use of different APIs and mimicking the phone app interface

Product Spec

1. User Stories (Required and Optional)

Required Must-have Stories

• User can view a list of contacts.
• User can make a fake call to one contact and view "Calling" screen.
• User can switch to an emergency activity that makes real call to emergency number.

Optional Nice-to-have Stories

• User can schedule an incoming phone call.
• User can view a transcript of the phone call.
• User can add a list of contacts of their choice.
• User can make customized fake calls to different contacts.
• User can even fake FaceTime.
• User can use the search bar to find contacts.

2. Screen Archetypes

• Contact List (Stream)
  • User can view a list of contacts.
• Contact Actions (Detail) (or a popup screen within contact list?)
  • User can initiate a fake outgoing call.
  • User can schedule an incoming call.
• Outgoing Call Activity (Detail)
  • User can make a fake call to one contact and view "Calling" screen.
  • User can get fake responses during the call.
  • User can switch to an emergency activity that makes real call to emergency number.
• Incoming Call Activity (Detail)
  • User can receive fake phone coming.

3. Navigation

Tab Navigation (Tab to Screen)

• Emergency Call
• Contact List

Flow Navigation (Screen to Screen)

• Contact List
  • Contact Actions
• Contact Actions
  • Incoming Call
  • Outgoing Call
• Incoming Call
  • Contact List
• Outgoing Calls
  • Contact List

Schema

Models

Contact

Property	Type	Description
name	String	contact name
image	File	initials of contact
audio	File	recorded audio "call"
duration	Time	length of audio call

Networking

• Contact List

  • (OPTIONAL) (Create/POST) Create a new contact

    //Uses the ParseBackend to create a new contact
    public void onCreate() {
       super.onCreate();
       ParseObject.registerSubclass(ContactInfo.class);
       Parse.initialize(new Parse.Configuration.Builder(this)
               .applicationId("1q59So2R8sdi1XIqOUWOgIpvU4zPgCPFnf5rzSY7")//placeholder id
               .clientKey("oM0oGHh8TX2mLcQkH7UFChEaLSHQrbnQipKiiLB9")//placeholder clientKey
               .server("https://parseapi.back4app.com")
               .build()
       );
    }

  • (OPTIONAL) (Delete) Delete existing contact

    ContactInfo.deleteInBackground();

  • (OPTIONAL) (Update/PUT) Update contact info

    ParseQuery<ParseObject> query = ParseQuery.getQuery("ContactInfo");
    // Retrieve the object by id
    query.getInBackground("your_contact_info_id", new GetCallback<ParseObject>() {
      public void done(ParseObject ContactInfo, ParseException e) {
        if (e == null) {
          // Update it with some new data. In this case, only contactName and phoneNumber
          // will get sent to Parse Server. 
          ContactInfo.put("contactName", NewName);
          ContactInfo.put("phoneNumber", NewNumber);
          ContactInfo.saveInBackground();
        }
      }
    });

  • (Read/GET) Get contact info for all contacts

    // queryContacts() method?
    ParseQuery<Contact> query = ParseQuery.getQuery(Contact.class);
    query.include(Contact.KEY_CONTACT);
    query.addAscendingOrder(Contact.KEY_CONTACT);
    query.findInBackground(new FindCallback<Contact>() {
        @Override
        public void done(List<Contact> contacts, ParseException e) {
            if (e != null) {
                Log.e(TAG, "Issue with getting contacts, e);
                return;
            }
            Log.i(TAG, “Successfully retrieved contacts”);
            allContacts.addAll(contacts);
            adapter.notifyDataSetChanged();
        }
    });
    

• Outgoing Call / Call View

  • (Read/GET) Get audio file and duration for specific contact, set timer, and end call after

    protected void queryContact(String contactName) {
        ParseQuery<Contact> query = ParseQuery.getQuery(Contact.class);
        query.whereEqualTo(“contactName”, name);
        query.getFirstInBackground(new FindCallback<Contact>() {
            @Override
            public void done(Contact contact, ParseException e) {
                if (e != null) {
                    Log.e(TAG, "Issue with getting contact, e);
                    return;
                }
                Log.i(TAG, “Successfully retrieved contact”);
                // bind contact into to call screen somehow... (TBD)
            }
        });
    }
    

• [OPTIONAL: List endpoints if using existing API such as Yelp]

Wireframes

Build Progress Walkthroughs

Sprint 1

Sprint 2

Sprint 3

Sprint 4