edwardharks

private class EditModeViewDependency<out T>(val view: View, val initializer: () -> T) : ViewDependency<T> {

    override val value: T
        get() {
            ApplicationReference.application = EditModeApplication(view.context)
            return initializer.invoke()
        }
}

edwardharks

private class EditModeApplication(context: Context) : ShazamApplication() {

    init {
        attachBaseContext(context)
    }
}

edwardharks

private class EditModeViewDependency<out T>(val view: View, val initializer: () -> T) : ViewDependency<T> {

    override val value: T
        get() {
            ApplicationReference.application = view.context
            return initializer.invoke()
        }
}

edwardharks

private class ImmediateViewDependency<out T>(initializer: () -> T) : ViewDependency<T> {

    override val value: T = initializer()
}

edwardharks

interface ViewDependency<out T> : ReadOnlyProperty<View, T> {

    val value: T

    override fun getValue(thisRef: View, property: KProperty<*>): T = value
}

edwardharks

public class SomeCustomView extends View {

    @Nullable
    private Picasso picasso;

    public SomeCustomView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        if (!isInEditMode()) {
            picasso = picasso();
        }

edwardharks

import static com.shazam.injector.picasso.PicassoInjector.picasso;

public class SomeCustomView extends View {

    private final Picasso picasso = picasso();
  
    ...
}

edwardharks

public class PicassoInjector {

    public static Picasso picasso() {
        return Picasso.with(shazamApplicationContext());
    }
}