JoseAlcerreca

Keybase proof

I hereby claim:

• I am JoseAlcerreca on github.
• I am josealcerreca (https://keybase.io/josealcerreca) on keybase.
• I have a public key whose fingerprint is 40FD D5C0 725B 3A94 2CD6 5D50 D779 D64E 5C2C B75E

To claim this, I am signing this object:

JoseAlcerreca

private void subscribeToModel() {
  // Observe product data
  viewModel.getObservableProduct().observe(this, new Observer<Product>() {
      @Override
      public void onChanged(@Nullable Product product) {
        mTitle.setText(product.title);
      }
  });
}

JoseAlcerreca

LiveData<Repo> repo = Transformations.switchMap(repoIdLiveData, repoId -> {
        if (repoId.isEmpty()) {
            return AbsentLiveData.create();
        }
        return repository.loadRepo(repoId);
    }
);

JoseAlcerreca

public class MyLiveData extends LiveData<MyData> {

    public MyLiveData(Context context) {
        // Initialize service
    }

    @Override
    protected void onActive() {
        // Start listening
    }

JoseAlcerreca

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

JoseAlcerreca

// Don't use this for events
class ListViewModel : ViewModel {
    private val _navigateToDetails = MutableLiveData<Boolean>()

    val navigateToDetails : LiveData<Boolean>
        get() = _navigateToDetails


    fun userClicksOnButton() {
        _navigateToDetails.value = true

JoseAlcerreca

myViewModel.navigateToDetails.observe(this, Observer {
    if (it) startActivity(DetailsActivity...)
})

JoseAlcerreca

fun userClicksOnButton() {
    _navigateToDetails.value = true
    _navigateToDetails.value = false // Don't do this
}

JoseAlcerreca

listViewModel.navigateToDetails.observe(this, Observer {
    if (it) {
        myViewModel.navigateToDetailsHandled()
        startActivity(DetailsActivity...)
    }
})

JoseAlcerreca

class ListViewModel : ViewModel {
    private val _navigateToDetails = MutableLiveData<Boolean>()

    val navigateToDetails : LiveData<Boolean>
        get() = _navigateToDetails


    fun userClicksOnButton() {
        _navigateToDetails.value = true
    }