Add support for Fragment factories to Henson

[dmstocking]

I love removing boilerplate and having better code and Henson is really nice for Activites, but for Fragments you are still left making your own .create() static method or a factory. Henson supporting fragments would make errors like mismatching bundle strings a non issue and reduce all this code just to create the activity.

[stephanenicolas]

We are open to suggestions, as we couldn't find any way to extend dart &
henson in a useful and elegant way.

Le lun. 7 nov. 2016 17:55, Buttink [email protected] a écrit :

I love removing boilerplate and having better code and Henson is really
nice for Activites, but for Fragments you are still left making your own
.create() static method or a factory. Henson supporting fragments would
make errors like mismatching bundle strings a non issue and reduce all this
code just to create the activity.

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[joharei]

This can be done using the existing factory. Maybe it could be more elegant, but it's not so bad:

// In the fragment
@InjectExtra
int arg1;
@InjectExtra
int arg2;

...

@Override
public void onAttach(Context context) {
    super.onAttach(context);
    Dart.inject(this, getActivity());
}

// In the starting activity
getIntent().putExtras(Henson.with(this)
        .gotoMyFragment()
        .arg1(arg1)
        .arg2(arg2)
        .build());
getSupportFragmentManager()
        .beginTransaction()
        .replace(R.id.container, new MyFragment())
        .commit();

[stephanenicolas]

This leaves quite a few question : how to generate an intent for multiple fragments ? How to know which activity contains which fragment ? How to deal with fragments that may or may nit be there ? Le lun. 28 nov. 2016 06:40, Johan Reitan <[email protected]> a écrit :

…

This can be done using the existing factory. Maybe it could be more elegant, but it's not so bad: // In the ***@***.*** ***@***.*** arg2; ... @Overridepublic void onAttach(Context context) { super.onAttach(context); Dart.inject(this, getActivity()); } // In the starting activity getIntent().putExtras(Henson.with(this) .gotoMyFragment() .arg1(arg1) .arg2(arg2) .build()); getSupportFragmentManager() .beginTransaction() .replace(R.id.container, new MyFragment()) .commit(); — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#135 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABv33RZLR1wPfIYPcYCVrp0i5JZWRlaWks5rCuf1gaJpZM4Krcqt> .

[stephanenicolas]

And how do you use the intent you have built ? Le lun. 28 nov. 2016 07:35, Stéphane NICOLAS <[email protected]> a écrit :

…

This leaves quite a few question : how to generate an intent for multiple fragments ? How to know which activity contains which fragment ? How to deal with fragments that may or may nit be there ? Le lun. 28 nov. 2016 06:40, Johan Reitan ***@***.***> a écrit : This can be done using the existing factory. Maybe it could be more elegant, but it's not so bad: // In the ***@***.*** ***@***.*** arg2; ... @Overridepublic void onAttach(Context context) { super.onAttach(context); Dart.inject(this, getActivity()); } // In the starting activity getIntent().putExtras(Henson.with(this) .gotoMyFragment() .arg1(arg1) .arg2(arg2) .build()); getSupportFragmentManager() .beginTransaction() .replace(R.id.container, new MyFragment()) .commit(); — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#135 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABv33RZLR1wPfIYPcYCVrp0i5JZWRlaWks5rCuf1gaJpZM4Krcqt> .

[joharei]

In the simplest cases, this works, but you're right, this is dangerous if I had several fragments. If multiple fragments have extras with the same name, this wouldn't work, since I'm putting the extras in the activity's intent.

[talenguyen]

Henson support Intent builder. But, for Fragment we need Bundle instead. So, I think it need to improve for Fragment. I tested in version 2.0.2 and saw that builder for Fragment look so weird.

public CategoryListFragment$$IntentBuilder(Context context) {
    intent = new Intent(context, CategoryListFragment.class); // Intent for fragment?
  }

  public CategoryListFragment$$IntentBuilder.AllSet parentId(String parentId) {
    bundler.put("parentId", parentId);
    return new CategoryListFragment$$IntentBuilder.AllSet();
  }

  public class AllSet {
    public Intent build() {
      intent.putExtras(bundler.get());
      return intent;
    }
  }

[Rainer-Lang]

Any update on this?

[stephanenicolas]

We are very open to PRs about this. As I said, we never found a good & useful way to do it. 2017-05-04 20:27 GMT+02:00 Rainer-Lang <[email protected]>:

…

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