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![// Create a new Parse object
PFObject *post = [PFObject objectWithClassName:@"Post"];
[post setObject:@"Hello World" forKey:@"title"];
[post setObject:user forKey:@"author"];
// Save it to Parse
[post saveEventually];
[user setObject incrementKey:@"posts"];
[user saveEventually];
PFQuery *query = [PFQuery queryWithClassName:@"Posts"];
[query whereKey:@"author_name" equalTo:@"Abey Mullassery"];
NSArray* posts = [query findObjects];](https://image.slidesharecdn.com/parse-120501113624-phpapp02/85/Introduction-to-Parse-15-320.jpg)
![NSData *data = UIImageJPEGRepresentation(image, 0.60);
PFFile *file = [PFFile fileWithName:@"photo.jpg"
data:data];
[file saveInBackground];](https://image.slidesharecdn.com/parse-120501113624-phpapp02/85/Introduction-to-Parse-17-320.jpg)
![// Initialize the user object
PFUser *user = [PFUser user];
user.username = @"abey";
user.password = @"N0th1ngM@tters";
[user signUpInBackgroundWithBlock:^(BOOL succeeded, NSError
*error) {
if (!error) {
// Hooray! Let them use the app now.
} else {
NSString *errorString = [[error userInfo]
objectForKey:@"error"];
// Show the error and let the user try again.
}
}];](https://image.slidesharecdn.com/parse-120501113624-phpapp02/85/Introduction-to-Parse-21-320.jpg)
![PFGeoPoint *point = [PFGeoPoint geoPointWithLatitude:
40.0 longitude:-30.0];
[user setObject:point forKey:@"location"];
[user saveInBackground];](https://image.slidesharecdn.com/parse-120501113624-phpapp02/85/Introduction-to-Parse-25-320.jpg)
![// Subscribe to a push channel
[PFPush subscribeToChannelInBackground:@"new_users"];
// Push to the channel from the client
[PFPush sendPushMessageToChannelInBackground:@"new_users"
withMessage:@"A new user signed up!"];](https://image.slidesharecdn.com/parse-120501113624-phpapp02/85/Introduction-to-Parse-29-320.jpg)
More Related Content
Introduction to Parse
- 3.
- 5. Abey Mullassery Internet & Mobile Developer
- 6.
- 7. Why? • Focus onthe app • Cheap enough • Different skill set • Export/Import
- 8.
- 9. Why not • BackendComputation • Complex data model • 3rd party services
- 11. iOS, Android &REST
- 12.
- 13. Data • Powerful query •Associations • Big File • Access Control
- 15. // Create anew Parse object PFObject *post = [PFObject objectWithClassName:@"Post"]; [post setObject:@"Hello World" forKey:@"title"]; [post setObject:user forKey:@"author"]; // Save it to Parse [post saveEventually]; [user setObject incrementKey:@"posts"]; [user saveEventually]; PFQuery *query = [PFQuery queryWithClassName:@"Posts"]; [query whereKey:@"author_name" equalTo:@"Abey Mullassery"]; NSArray* posts = [query findObjects];
- 17. NSData *data =UIImageJPEGRepresentation(image, 0.60); PFFile *file = [PFFile fileWithName:@"photo.jpg" data:data]; [file saveInBackground];
- 18.
- 19. Users • Sign upand Login Interface • Facebook & Twitter • Password reset • Email verification
- 21. // Initialize theuser object PFUser *user = [PFUser user]; user.username = @"abey"; user.password = @"N0th1ngM@tters"; [user signUpInBackgroundWithBlock:^(BOOL succeeded, NSError *error) { if (!error) { // Hooray! Let them use the app now. } else { NSString *errorString = [[error userInfo] objectForKey:@"error"]; // Show the error and let the user try again. } }];
- 22.
- 23. Location • Built-in class •Spatial search
- 25. PFGeoPoint *point =[PFGeoPoint geoPointWithLatitude: 40.0 longitude:-30.0]; [user setObject:point forKey:@"location"]; [user saveInBackground];
- 26.
- 27. Push Notifications • Sendfrom app • Subscribe to Channels • Send to Channels
- 29. // Subscribe toa push channel [PFPush subscribeToChannelInBackground:@"new_users"]; // Push to the channel from the client [PFPush sendPushMessageToChannelInBackground:@"new_users" withMessage:@"A new user signed up!"];
- 31.
- 33.