android-data-binding-recyclerview


Source link: https://github.com/radzio/android-data-binding-recyclerview

Android Data Binding + RecyclerView

Using Recyclerview with the new Android Data Binding framework.

How to start?

Just clone this repository and start playing with it! If you want to use some parts of this repository in your project read below.

Change your gradle file

  • In your main build.gradle add:
classpath 'com.android.tools.build:gradle:1.5.0'
  • In your app build.gradle add:
 dataBinding {

enabled = true
  
}

Modify your layout

Remember to use your classes and packages ;-).

<!-- layout.xml --> <layout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto">
  <data>

<variable

 name="usersViewModel"

 type="net.droidlabs.mvvmdemo.viewmodel.UsersViewModel"/>
  </data>  <android.support.v7.widget.RecyclerView

 android:id="@+id/activity_users_recycler"

 android:scrollbars="vertical"

 android:layout_width="match_parent"

 android:layout_height="match_parent"

 app:items="@{
usersViewModel.users
}
"

 app:itemViewBinder="@{
usersViewModel.itemViewBinder
}
"

 /> </layout>

Modify your activity

 // your activity  @Override
  protected void onCreate(Bundle savedInstanceState)
  {

super.onCreate(savedInstanceState);

usersViewModel = new UsersViewModel();

usersViewModel.users.add(new SuperUserViewModel(new User("Android", "Dev")));

 binding = DataBindingUtil.setContentView(this, R.layout.users_view);

binding.setUsersViewModel(usersViewModel);

binding.activityUsersRecycler.setLayoutManager(new LinearLayoutManager(this));

  
}

Modify your ViewModel class

 public class UsersViewModel extends BaseObservable
  {

public ObservableArrayList<UserViewModel> users;

 public ItemBinder<UserViewModel> itemViewBinder()

 {

  return new ItemBinderBase<UserViewModel>(BR.user, R.layout.item_user);

 
}

  
}

Some details

Your ViewModel ( UsersViewModel in my example) should have field of ObservableArrayList type which will be bind to recycler view.

Next thing is ItemViewBinder. This class is used in BindingRecyclerViewAdapter for creating ViewHolders and it's item views bindings. In my example I've created CompositeItemBinder in order to support two different item types with separate layouts. If you want to display list with one data type you can use ItemBinderBase:

 public ItemBinder<YourClass> itemViewBinder()
  {

  return new ItemBinderBase<YourClass>(BR.your_variable_name, R.layout.your_item_layout);

  
}

Please look at UsersView.java and UsersViewModel.java if something is unclear.

Resources

Enhanced Pull-To-Action layout.

Features

  • Pull gesture in UP, DOWN or BOTH directions
  • Scroll thresholding. Bound views are snapped to anchor position if scroll over threshold else are reset to default position
  • Bind views for animating (alpha and translation for now) them in respect to scroll

ViewPager template with cool animation.

Simple RunTime permission manager.

A fully customizable photo editor for your app. Integrate the PhotoEditor SDK into your own Android, iOS or Html5 app in minutes!

The PhotoEditor SDK provides a variety of tools and functions for creating photo applications for Android.

Custom EditText for entering Credit Card numbers, it'll also display the image of the card number type being entered (after entering the first two digits). And it supports adding a separator (spaces or dashes) after every four digits.

Demo app to fetch permission details of all installed application in android mobile.

Topics


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