![Upload Files// Get the data from an ImageView as bytes
imageView.setDrawingCacheEnabled(true);
imageView.buildDrawingCache();
Bitmap bitmap = imageView.getDrawingCache();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] data = baos.toByteArray();
UploadTask uploadTask = photoRef.putBytes(data);
uploadTask.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle unsuccessful uploads
}
}).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
// taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL.
Uri downloadUrl = taskSnapshot.getDownloadUrl();
}
});
EditPhotoActivity.java](https://image.slidesharecdn.com/andevcon3-160802105701/85/Bootstrapping-an-App-for-Launch-80-320.jpg)
Bootstrapping an App for Launch
- 1. Bootstrapping an App for Launch A rapid, low-cost, server-less approach to app development @craigphares sixoverground.com
- 3. dropdrop.it/
- 4. Developer
- 5. There’s never been a better time to be a developer
- 7. Number of apps Barrier to entry
- 8. App store markets are over-saturated
- 9. There are over 2.2 million apps available for download on the Google Play Store Statista http://www.statista.com/statistics/276623/number-of-apps-available-in-leading-app-stores/
- 10. Just building a great product isn’t enough
- 11. Less than 0.01 percent of consumer mobile apps are considered a financial success Gartner http://www.gartner.com/newsroom/id/2648515
- 13. Doing what someone else already knows how to do takes the world from 1 to n, adding more of something familiar. But when you do something new, you go from 0 to 1.” - Peter Thiel “
- 14. Apps need to stand out
- 15. 65.5% of smartphone users download zero apps per month Quartz http://qz.com/253618/most-smartphone-users-download-zero-apps-per-month/
- 16. After launch, It can take years to reach product/market fit
- 17. Product/market fit means being in a good market with a product that can satisfy that market.” - Marc Andreessen “
- 18. Prepare to pivot
- 19. Successful Tech Pivots • Pinterest was a mobile shopping app called Tote for 1 year • Twitter was a side-project of the podcast directory Odeo • Instagram began as Burbn, a check-in app with gaming elements from Mafia Wars - and a photo feature • Android was an operating system for cameras in the 2 years before it was acquired by Google
- 20. Monthly overhead
- 21. 55% of companies will increase their content marketing budget this year Content Marketing Institute http://contentmarketinginstitute.com/wp-content/uploads/2014/10/2015_B2B_Research.pdf
- 22. Apps are expensive to make
- 23. How much does it cost to build an app? • Big shops: $500,000 to $1,000,000 • Average shops: $150,000 to $450,000 • Small shops: $50,000 to $100,000 Savvy Apps http://savvyapps.com/blog/how-much-does-app-cost-massive-review-pricing-budget-considerations
- 24. How much does it cost to build an app (cont.)? • Zero-frills: $9,900 • Full-featured: $50,100 Crew http://howmuchtomakeanapp.com
- 25. How much does it cost to build an app (cont.)? $10,000 to $1,000,000
- 26. Talent
- 27. Designer Graphic Designer $51,360/year = $25/hour Glassdoor https://www.glassdoor.com/Salaries/graphic-designer-salary-SRCH_KO0,16.htm
- 28. Back-end engineer Ruby on Rails Developer $93,906/year = $50/hour Glassdoor https://www.glassdoor.com/Salaries/ruby-on-rails-developer-salary-SRCH_KO0,23.htm
- 29. Front-end developer Android Developer $84,562/year = $50/hour Glassdoor https://www.glassdoor.com/Salaries/android-developer-salary-SRCH_KO0,17.htm
- 30. Project manager Software Project Manager $108,659/year = $50/hour Glassdoor https://www.glassdoor.com/Salaries/software-project-manager-salary-SRCH_KO0,24.htm
- 31. Server costs
- 32. Infrastructure as a Service • Approximately $60/month for: • Small EC2 instance • S3 bucket • CloudFront CDN • $50/hour for maintenance AWS Amazon Web Services https://calculator.s3.amazonaws.com/index.html
- 33. Platform as a Service • Approximately $125/month for: • Standard Plan with 3-1x dynos • Production database • SSL Endpoint • Web sockets push add-on Heroku Heroku Pricing https://www.heroku.com/pricing
- 34. So… how much?
- 35. Example app • Social login • User profiles • Friendships • User-generated content • Push notifications • Geolocation • Analytics
- 36. Estimate • Design: $25/h x 100 h = $2,500 • Back-end: $50/h x 200 h = $10,000 • Front-end: $50/h x 200 h = $10,000 • Project management: $50/h x 50 h = $2,500 • Total: $25,000
- 39. Imagine if we could cut out the back-end
- 40. Imagine if we could focus on making the app awesome
- 41. Imagine if our overhead was zero, and we could scale as needed
- 42. Here’s how we get there
- 43. What we often do Untitled 1 Untitled 2 Untitled 3 Budget spent MAU / Revenue Launch
- 44. What we should do Untitled 1 Budget spent MAU / Revenue Launch
- 47. Back-end as a Service
- 48. Server-less is at its most simple an outsourcing solution
- 50. Authentication Service Traditional client/server architecture Client(s) (app) Authentication Service API Gateway Database Server Application Push Notification Service File Storage Solution Analytics
- 51. Authentication Service Server-less architecture Client(s) (app) Authentication Service API Gateway Database Server Application Push Notification Service File Storage Solution Analytics Authentication Service Analytics Database
- 52. But… why?
- 53. Benefits • Reduced operational cost • Reduced development cost • Reduced scaling costs • Reduced operational management • Reduced time to market
- 54. Drawbacks • Vendor control • Vendor commitment • Security concerns • Repetition of logic across clients • Loss of server optimizations
- 55. Okay, great.
- 56. Back-end services With free tiers
- 59. Real-time Push / Push notifications Urban Airship OneSignal PubNub
- 60. Mobile BaaS (MBaaS) Back-end as a service, built specifically for mobile apps
- 61. Parse Sunset by Facebook Host your own from the GitHub repo: https://github.com/ParsePlatform/parse-server
- 62. Kinvey Authorization Data storage File storage with CDN Push/SMS Analytics
- 63. AWS Mobile Services Authentication Data storage Cloud logic NoSQL database Analytics Push notifications
- 64. Firebase Recently overhauled by Google Realtime database Authentication Push notifications File storage Remote config Analytics
- 65. Live coding Let’s build Instagram (Lite)
- 66. • Facebook login Post photos News feed Comments Likes Activity feed Follow friends Push notifications
- 67. Firebase
- 68. Bittypic github.com/sixoverground/bittypic-android An itty bitty photo sharing app
- 69. Create a project
- 71. Add the SDK buildscript { // ... dependencies { // ... classpath 'com.google.gms:google-services:3.0.0' } } build.gradle
- 72. Add the SDK (cont.) apply plugin: 'com.android.application' android { // ... } dependencies { // ... compile 'com.google.firebase:firebase-core:9.2.1' } // ADD THIS AT THE BOTTOM apply plugin: 'com.google.gms.google-services' Available libraries Analytics Realtime Database Storage Crash Reporting Authentication Cloud Messaging / Notifications Remote Config Invites / Dynamic Links AdMob App Indexing app/build.gradle
- 73. The data model User Photo Activity • facebookId • email • displayName • profilePictureUrl • pushToken • photoUrl • user • owner • recipient • key • text • photo
- 75. Authenticate with Facebook // Initialize Facebook Login button mCallbackManager = CallbackManager.Factory.create(); LoginButton loginButton = (LoginButton) findViewById(R.id.button_facebook_login); loginButton.setReadPermissions("email", "public_profile"); loginButton.registerCallback(mCallbackManager, new FacebookCallback<LoginResult>() { @Override public void onSuccess(LoginResult loginResult) { Log.d(TAG, "facebook:onSuccess:" + loginResult); handleFacebookAccessToken(loginResult.getAccessToken()); } @Override public void onCancel() { Log.d(TAG, "facebook:onCancel"); // ... } @Override public void onError(FacebookException error) { Log.d(TAG, "facebook:onError", error); // ... } }); FacebookLoginActivity.java
- 76. Authenticate with Facebook (cont.) private void handleFacebookAccessToken(AccessToken token) { Log.d(TAG, "handleFacebookAccessToken:" + token); AuthCredential credential = FacebookAuthProvider.getCredential(token.getToken()); mAuth.signInWithCredential(credential) .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() { @Override public void onComplete(@NonNull Task<AuthResult> task) { Log.d(TAG, "signInWithCredential:onComplete:" + task.isSuccessful()); // If sign in fails, display a message to the user. If sign in succeeds // the auth state listener will be notified and logic to handle the // signed in user can be handled in the listener. if (!task.isSuccessful()) { Log.w(TAG, "signInWithCredential", task.getException()); Toast.makeText(FacebookLoginActivity.this, "Authentication failed.", Toast.LENGTH_SHORT).show(); } // ... } }); } FacebookLoginActivity.java
- 77. Authenticate with Firebaseprivate FirebaseAuth.AuthStateListener mAuthListener; @Override protected void onCreate(Bundle savedInstanceState) { mAuthListener = new FirebaseAuth.AuthStateListener() { @Override public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) { FirebaseUser user = firebaseAuth.getCurrentUser(); if (user != null) { // User is signed in Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid()); } else { // User is signed out Log.d(TAG, "onAuthStateChanged:signed_out"); } } }; } FacebookLoginActivity.java
- 78. Write to your database// Write a user to the database FirebaseDatabase database = FirebaseDatabase.getInstance(); DatabaseReference myRef = database.getReference("user"); myRef.setValue("Norm"); EditPhotoActivity.java
- 79. File Storage// Points to the root reference storageRef = storage.getReferenceFromUrl("gs://<your-bucket-name>"); // Points to "images" imagesRef = storageRef.child("images"); // Points to "images/cat.jpg" // Note that you can use variables to create child values String fileName = "cat.jpg"; catRef = imagesRef.child(fileName); // File path is "images/cat.jpg" String path = catRef.getPath(); // File name is "cat.jpg" String name = catRef.getName(); // Points to "images" imagesRef = catRef.getParent(); EditPhotoActivity.java
- 80. Upload Files// Get the data from an ImageView as bytes imageView.setDrawingCacheEnabled(true); imageView.buildDrawingCache(); Bitmap bitmap = imageView.getDrawingCache(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos); byte[] data = baos.toByteArray(); UploadTask uploadTask = photoRef.putBytes(data); uploadTask.addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception exception) { // Handle unsuccessful uploads } }).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() { @Override public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) { // taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL. Uri downloadUrl = taskSnapshot.getDownloadUrl(); } }); EditPhotoActivity.java
- 81. Read from your database// Read from the database myRef.addValueEventListener(new ValueEventListener() { @Override public void onDataChange(DataSnapshot dataSnapshot) { // This method is called once with the initial value and again // whenever data at this location is updated. String value = dataSnapshot.getValue(String.class); Log.d(TAG, "Value is: " + value); } @Override public void onCancelled(DatabaseError error) { // Failed to read value Log.w(TAG, "Failed to read value.", error.toException()); } }); PhotoTimelineActivity.java
- 82. Monitor token generation@Override public void onTokenRefresh() { // Get updated InstanceID token. String refreshedToken = FirebaseInstanceId.getInstance().getToken(); Log.d(TAG, "Refreshed token: " + refreshedToken); // TODO: Implement this method to send any registration to your app's servers. sendRegistrationToServer(refreshedToken); } AnDevConFirebaseInstanceIdService.java
- 83. Receive notifications@Override public void onMessageReceived(RemoteMessage remoteMessage) { // TODO(developer): Handle FCM messages here. // If the application is in the foreground handle both data and notification messages here. // Also if you intend on generating your own notifications as a result of a received FCM // message, here is where that should be initiated. See sendNotification method below. Log.d(TAG, "From: " + remoteMessage.getFrom()); Log.d(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody()); } AnDevConFirebaseMessagingService.java
- 84. Send an upstream notification FirebaseMessaging fm = FirebaseMessaging.getInstance(); fm.send(new RemoteMessage.Builder(SENDER_ID + "@gcm.googleapis.com") .setMessageId(Integer.toString(msgId.incrementAndGet())) .addData("my_message", "Hello World") .addData("my_action","SAY_HELLO") .build()); AnDevConService.java If using Firebase, sending notifications needs to be done from the server.
- 85. Launch party!
- 86. What we should do Untitled 1 Budget spent MAU / Revenue Launch
- 87. Create a Landing Page
- 89. Social Presence
- 90. Choose a launch date
- 91. thunderclap.it/
- 92. Test test test
- 94. Communities
- 95. slacklist.info/
- 99. SocialRank.com
- 100. uberhunters.com/
- 101. Let’s review • Cut-out over half the development budget with no back-end • Outsource any server effort with MBaaS • Spend less time programming the plumbing • Spend more time making the app stand out • On-board tons of beta testers prior to launch to receive critical feedback • Generate buzz leading up to launch through influencers and free services • Bring the app to market quickly • Keep overhead to zero until reaching product/market fit • Iterate - learn, tweak, build, test
- 102. Launch party!