Iván Carballo ivacf

ivacf / profile_activity.xml

Created September 25, 2015 22:20

Android layout file that uses data binding to load a image into an ImageView

	<layout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:app="http://schemas.android.com/apk/res-auto" >
	<data>
	<variable
	name="viewModel"
	type="uk.ivanc.imagedatabinding.ProfileViewModel" />
	</data>
	<RelativeLayout
	android:layout_width="match_parent"
	android:layout_height="match_parent">

ivacf / ProfileViewModel.java

Created September 25, 2015 22:16

View model that exposes a method using @BindingAdapter to load an image given a url

	public class ProfileViewModel {

	public String getImageUrl() {
	// The URL will usually come from a model (i.e Profile)
	return "http://cdn.meme.am/instances/60677654.jpg";
	}

	@BindingAdapter({"bind:imageUrl"})
	public static void loadImage(ImageView view, String imageUrl) {
	Picasso.with(view.getContext())

ivacf / ProfileActivity.java

Last active September 24, 2015 23:12

Activity that sets its content view using data binding and a view model

	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	ProfileActivityBinding binding =
	DataBindingUtil.setContentView(this, R.layout.profile_activity);
	binding.setViewModel(new ProfileViewModel(this));
	}

ivacf / profile_activity.xml

Created September 24, 2015 23:08

Android layout that uses data binding to load a drawable into an ImageView

	<layout xmlns:android="http://schemas.android.com/apk/res/android">
	<data>
	<variable
	name="viewModel"
	type="uk.ivanc.imagedatabinding.ProfileViewModel" />
	</data>
	<RelativeLayout
	android:layout_width="match_parent"
	android:layout_height="match_parent">
	<ImageView

ivacf / ProfileViewModel.java

Last active April 22, 2018 19:07

View model that downloads an image using Picasso and data binding

	public class ProfileViewModel {
	// The URL will usually come from a model (i.e Profile)
	static final String IMAGE_URL = "http://cdn.meme.am/instances/60677654.jpg";
	public ObservableField<Drawable> profileImage;
	private BindableFieldTarget bindableFieldTarget;

	public ProfileViewModel(Context context) {
	profileImage = new ObservableField<>();
	// Picasso keeps a weak reference to the target so it needs to be stored in a field
	bindableFieldTarget = new BindableFieldTarget(profileImage, context.getResources());