nilportugues / android-apicalls

API calls and load data in the view, without blocking the main thread.

EXTREMELY IMPORTANT:

• This happens when the app gets killed by the user. We want to keep a service running it to send push notifications even if they killed the app.
• http://stackoverflow.com/questions/18219657/how-do-i-keep-a-service-alive-indefinitely

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• USING REALM instead of SQLITE. Step by step: https://realm.io/news/360andev-chris-guzman-android-libraries-beginner/ (Slide 61, minuto 25

New RXJava: https://github.com/amitshekhariitbhu/RxJava2-Android-Samples

App as view tutorial... this is what I'm doing

• https://github.com/xuyisheng/AndroidHeroes

Do permissions this way?

• https://github.com/hotchemi/PermissionsDispatcher

GUAU:

• https://github.com/nilopc-learning-android/Filmy
• https://github.com/nilopc-learning-android/android-examples
• http://hannesdorfmann.com/android/evolution-of-the-repository-pattern

THIS IS HUGE:

• https://github.com/nisrulz/android-utils/tree/9158112f92c451d5c72e1c4c4ce87477000f1910/TestProjectForScripts/scripts/src/main/java/github/nisrulz/scripts

CUSTOM VIEWS:

• https://corner.squareup.com/2014/10/advocating-against-android-fragments.html
• https://developer.android.com/training/material/lists-cards.html

Todo:

• Load from web deeplink (how do these even work?!)

Retrofit factory

Permissions on demand

• https://github.com/Karumi/Dexter

Network status

• Do not call api is no internet and not un cache
• https://github.com/nilopc-learning-android/ZhiHuDaily/blob/master/app/src/main/java/com/marktony/zhihudaily/Utils/NetworkState.java

Social login

• https://github.com/FuckBoilerplate/RxSocialConnect-Android/blob/master/app/src/main/java/org/fuckboilerplate/rxsocialconnect/connections/ConnectionsFragment.java

API Calls cache with RxCache

• https://github.com/VictorAlbertos/RxCacheSamples/blob/master/sample_data/src/main/java/sample_data/Repository.java

Realm for local storage database.

• https://github.com/realm/realm-java/tree/master/examples/rxJavaExample
• https://github.com/realm/realm-java/blob/master/examples/rxJavaExample/src/main/java/io/realm/examples/rxjava/gotchas/GotchasActivity.java

Glide para cargar imagenes

• https://github.com/bumptech/glide

Picaso para cacheo de imagenes

Images add much-needed context and visual flair to Android applications. Picasso allows for hassle-free image loading in your application—often in one line of code!

Dialogs

https://github.com/afollestad/material-dialogs

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Testing

• https://github.com/facebook/screenshot-tests-for-android
• https://github.com/mattlogan/locationtracker (*unit style)

Repository cache: caching when user goes offline

• http://stackoverflow.com/questions/23429046/can-retrofit-with-okhttp-use-cache-data-when-offline
• https://github.com/digitalbuddha/StoreDemo

Retrofit to Domain Entities

• https://github.com/android10/Android-CleanArchitecture/blob/master/data/src/main/java/com/fernandocejas/android10/sample/data/repository/UserDataRepository.java

Cache

• https://github.com/android10/Android-CleanArchitecture/blob/master/data/src/main/java/com/fernandocejas/android10/sample/data/cache/UserCache.java
• https://github.com/android10/Android-CleanArchitecture/blob/master/data/src/main/java/com/fernandocejas/android10/sample/data/cache/UserCacheImpl.java

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Done:

• Stop weird refreshing. Remove progressbar status right having UI elements populated.

UseCases

• https://github.com/android10/Android-CleanArchitecture/blob/master/domain/src/main/java/com/fernandocejas/android10/sample/domain/interactor/UseCase.java
• UseCase with RxJava

RxJava and RxAndroid

• Drop AsyncTask por Rx
• https://github.com/nilopc-learning-android/EffectiveAndroidUI
• http://blog.danlew.net/2014/09/15/grokking-rxjava-part-1/
• http://akarnokd.blogspot.com.es/

Retrofit

• Easy API endpoint data access.
• To generate POJOs: http://www.jsonschema2pojo.org/
• Observables

Add DependencyInjecion

• Added Dagger2 for non UI related
• Added ButterKnife for UI related: https://github.com/JakeWharton/butterknife

Working with views

• Activity or Fragment

  • Recibe: Presenter
  • setea/esconde/muestra Fragments

• Presenter:

  • Recibe: UseCase
  • Recibe: UserModelDataMapper
  • Internamente implementa:
    • private final class xxxSubscriber extends Rx.Subscriber

PageAdapter vs FragmentPagerAdapter vs FragmentStatePagerAdapter

• FragmentPagerAdapter
  • Fragments are detached, NOT destroyed.
  • Useful for SMALL list of fragments.
  • Remains in memory. Fills up memory and app will crash if lots of fragments.
  • Use for static data not coming from network and does not require calculations.
• FragmentStatePagerAdapter
  • Works well for LARGE lists.
  • It destroys fragments when not used.
  • Not kept in memory (as it keeps destroying).
  • Requires proper use of CACHING (eg: repos) when using data from network or heavy calculations.
• PageAdapter
  • Items are destroyed.
  • Useful for SMALL lists.

android-apicalls's Issues

repository to datasource

repository becomes:

• data/source/api/UserApiDataSource.java
• data/source/local/UserLocalDataSource.java
• data/source/UserDataSource.java

You can apply NetworkState as an injection, and check if there's connection or not and fallback to local data if available to minimize downtime when losing connectivity

Presenters get a Repository and a View

For instance

    /**
     * Creates a presenter for the add/edit view.
     *
     * @param taskId ID of the task to edit or null for a new task
     * @param tasksRepository a repository of data for tasks
     * @param addTaskView the add/edit view
     */
    public AddEditTaskPresenter(
            @Nullable String taskId, 
            @NonNull TasksDataSource tasksRepository,
            @NonNull AddEditTaskContract.View addTaskView
    ) {
        mTaskId = taskId;
        mTasksRepository = checkNotNull(tasksRepository);
        mAddTaskView = checkNotNull(addTaskView);

        mAddTaskView.setPresenter(this);
    }

UI directory as in googlesamples/android-architecture

This way looks better and it's cleaner

• ui/userlist/*
• ui/userprofile/*
• ui/usermessages/*

https://github.com/googlesamples/android-architecture/tree/dev-todo-mvp-rxjava/todoapp/app/src/main/java/com/example/android/architecture/blueprints/todoapp/taskdetail

Retrofit Factory

• Build a Retrofit factory reusable with several API endpoints

All clases extending from View require a setPresenter

Just enforce all Fragments, etc implement this interface.

package com.example.android.architecture.blueprints.todoapp;

public interface BaseView<T> {

    void setPresenter(T presenter);

}

Presenters can Subscribe or Unsbuscribe

This is just an example from google. Make one based on Rx.Observables...

Obviously they can do more things, but not included in the interface.

package com.example.android.architecture.blueprints.todoapp;

public interface BasePresenter {

    void subscribe();

    void unsubscribe();

}

Activities manages Fragments and Presenters

Activities manage the creatiion of fragments and presenter.

A Presenter gets a Fragment (View) injected.

https://github.com/googlesamples/android-architecture/blob/dev-todo-mvp-rxjava/todoapp/app/src/main/java/com/example/android/architecture/blueprints/todoapp/addedittask/AddEditTaskActivity.java

List with sticky headers and views

https://github.com/jdsjlzx/SuperRecyclerView

Activities contain a Fragment by default

Break up activities:

Fragments

• Fragments are what happends INSIDE an Activity.
  • Eg: a form goes in as an activity.

eg:

• https://github.com/googlesamples/android-architecture/blob/dev-todo-mvp-rxjava/todoapp/app/src/main/res/layout/addtask_act.xml
• https://github.com/googlesamples/android-architecture/blob/dev-todo-mvp-rxjava/todoapp/app/src/main/res/layout/addtask_frag.xml