BindingExtension

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BindingExtension

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Android ViewBinding extension to provide simpler usage in Activity, Fragment and ViewHolder.

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# BindingExtension

[![CircleCI](https://circleci.com/gh/Jintin/BindingExtension.svg?style=shield)](https://circleci.com/gh/Jintin/BindingExtension)
[![jitpack](https://jitpack.io/v/Jintin/BindingExtension.svg)](https://jitpack.io/#Jintin/BindingExtension)

ViewBinding is an amazing tool for Android but it's not so fit in Android development as we still have to do some config. BindingExtension is built to provide a simpler usage.

## Install

Add [Jitpack](https://jitpack.io/) repository to your root `build.grable`:
```groovy
allprojects {
  repositories {
    ...
    maven { url 'https://jitpack.io' }
  }
}
```

Then add dependency in your module `build.gradle`:
```groovy
dependencies {
  implementation 'com.github.jintin:BindingExtension:3.1.0'
}
```

## Usage

First of all, BindingExtension using refelction a lot to link many things internally in order to provide simple usage.
To prevent having trouble with proguard, please remember to exclude `ViewBinding` related method in your proguard-rules file like this:

```
-keepclassmembers class * implements androidx.viewbinding.ViewBinding {
     public static ** inflate(...);
}
```

### Activity

Extend from `BindingActivity` with your `ViewBinding` type then you can use `binding` directly after calling `super.onCreate(savedInstanceState)` and you don't have to call `setContentView` anymore:

```kotlin
class MainActivity : BindingActivity<ActivityMainBinding>() {

override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

binding.label.setText(R.string.activity_label)
    }
}
```

### Fragment

Extend from `BindingFragment` with your `ViewBinding` type then you can use `binding` directly after `super.onCreateView(inflater, container, savedInstanceState)` is called:

```kotlin
class MainFragment : BindingFragment<FragmentMainBinding>() {

override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

binding.button.setOnClickListener {
            binding.button.setText(R.string.fragment_label)
        }
    }
}
```

### ViewHolder

BindingExtension provide an extension function for `ViewGroup`, you can call `ViewGroup.toBinding()` in `onCreateViewHolder` to get your desire type of `ViewBinding`.
And `ViewHolder` can than access `ViewBinding` directly without further transformation.

```kotlin
// inside adapter
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
    return MainViewHolder(parent.toBinding())
}

// ViewHolder
class MainViewHolder(private val binding: AdapterMainBinding) :
    RecyclerView.ViewHolder(binding.root) {

fun bind(data: String) {
        binding.name.text = data
    }
}

```

You can go to ./app module for more information.
## Contributing
Bug reports and pull requests are welcome on GitHub at [https://github.com/Jintin/BindingExtension](https://github.com/Jintin/BindingExtension).

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BindingExtension

BindingExtension Latest Version Download

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BindingExtension

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