https://github.com/florent37/newandroidarchitecture-component-github

Sample project based on the new Android Component Architecture
https://github.com/florent37/newandroidarchitecture-component-github

2017 android architecture dagger google inject io livedata mvvm observable retrofit rx

Last synced: 13 days ago
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Sample project based on the new Android Component Architecture

• Host: GitHub
• URL: https://github.com/florent37/newandroidarchitecture-component-github
• Owner: florent37
• License: apache-2.0
• Created: 2017-05-18T13:11:19.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2018-10-01T09:07:17.000Z (over 6 years ago)
• Last Synced: 2024-12-10T04:06:01.637Z (22 days ago)
• Topics: 2017, android, architecture, dagger, google, inject, io, livedata, mvvm, observable, retrofit, rx
• Language: Java
• Homepage: https://developer.android.com/topic/libraries/architecture/guide.html
• Size: 1.13 MB
• Stars: 222
• Watchers: 14
• Forks: 40
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# NewAndroidArchitecture-Github



  



Sample project based on the new Android Component Architecture 

Lifecycle, LiveData, MVVM, ViewModels, DataBinding, Dagger, Retrofit

https://developer.android.com/topic/libraries/architecture/guide.html

![Alt sample](https://raw.githubusercontent.com/florent37/NewAndroidArchitecture-Github/master/media/screen_small.png)

# LiveData as Observables !

LiveDatas works like RxJava's Observables,

they will notify the observer when the data is Available

```java

@Override

public LiveData getUser(String userName){

    final MutableLiveData liveData = new MutableLiveData<>();

    githubAPI.user(userName).enqueue(new Callback() {

            @Override

            public void onResponse(Call call, Response response) {

                if(response.isSuccessful()) {

                    liveData.setValue(response.body());

                }

            }

            @Override

            public void onFailure(Call call, Throwable t) {

            }

        });

    return liveData;

}

```

# LifeCycle Owner

Use Support Fragment and AppCompatActivity to be attached to the application's state

```java

public class MainFragment extends Fragment {

```

# DataBinding and ViewHolders

MainFragment.java

```java

reposAdapter = new ReposAdapter();

viewDataBinding.recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));

viewDataBinding.recyclerView.setAdapter(reposAdapter);

AppComponent.from(getContext()).inject(this);

//inject the viewmodel responding to User

//inject the viewmodel responding to List

//fetch the user from the datasource

userViewModel.getUser("florent37")

                .observe(this, new Observer() {

                    @Override

                    public void onChanged(@Nullable User user) {

                        viewDataBinding.setUser(user);

                    }

                });

//fetch the repos from the datasource

reposListViewModel.getRepos("florent37")

                .observe(this, new Observer>() {

                    @Override

                    public void onChanged(@Nullable List repos) {

                        //when available, send it to the recyclerview

                        reposAdapter.setRepos(repos);

                    }

                });

```

# Dagger and Repository

```java

public class UserViewModel extends ViewModel {

    private final GithubRepository githubRepository;

    @Inject

    public UserViewModel(GithubRepository githubRepository) {

        this.githubRepository = githubRepository;

    }

    public LiveData getUser(String userName) {

        //userLiveData will be notified when the user is fetched

        return githubRepository.getUser(userName);

    }

}

```



  



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