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kotlinbinding's Introduction

KotlinBinding

This is a android demo which binds view with viewModel by using Kotlin language

####1.基础绑定,具体绑定方法自己实现

textView.bind(viewModel.text) { text = it }

####2.有针对性的调用绑定方法

textView.bindText(viewModel.text)
textView.bindBackgroundResource(viewModel.backGroundResource)

####3.使用 with 等方法,让绑定实现的代码看上去更优雅(支持 anko 中使用)

with(textView) {
    bindText(viewModel.text)
    bindBackgroundResource(viewModel.backGroundResource)
}

####4.修改 viewModel 中的值

with(viewModel) {
    text.set("changed")
    backGroundResource.set(android.R.color.darker_gray)
}

####5.viewModel定义

class ViewModel {
    var text: BindObservable<CharSequence> = BindObservable("default")
    var backGroundResource = BindObservable(android.R.color.black)
}

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