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Binding Adapters
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//forma clásica extrapolada directamente de java | |
//funcion estatica donde el primer parámetro es la vista y los n siguientes los especificados por le BindingAdapter | |
@BindingAdapter("bind:url") | |
fun loadUrl(imageView: ImageView, url: String) { | |
Picasso.with(imageView.ctx).load(url).transform(CircleTransform()).into(imageView) | |
} | |
//opción alternativa | |
@BindingAdapter("bind:url") | |
fun ImageView.loadUrl(url: String) { | |
Picasso.with(this.ctx).load(url).transform(CircleTransform()).into(this) | |
} | |
/*Nótese que segun el compilador ambas funciones tienen la misma signature por lo que no podrán estar definidas a la vez*/ |
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imageView.loadUrl("url_de_la_imagen") |
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<ImageView ... | |
bind:url='@{"url_de_la_imagen"}' | |
/> |
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