diff options
Diffstat (limited to 'app/src/main/java/dev/msfjarvis/aps/util/extensions/FragmentViewBindingDelegate.kt')
| -rw-r--r-- | app/src/main/java/dev/msfjarvis/aps/util/extensions/FragmentViewBindingDelegate.kt | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/app/src/main/java/dev/msfjarvis/aps/util/extensions/FragmentViewBindingDelegate.kt b/app/src/main/java/dev/msfjarvis/aps/util/extensions/FragmentViewBindingDelegate.kt deleted file mode 100644 index fe885c86..00000000 --- a/app/src/main/java/dev/msfjarvis/aps/util/extensions/FragmentViewBindingDelegate.kt +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved. - * SPDX-License-Identifier: GPL-3.0-only - */ - -package dev.msfjarvis.aps.util.extensions - -import android.view.LayoutInflater -import android.view.View -import androidx.appcompat.app.AppCompatActivity -import androidx.fragment.app.Fragment -import androidx.lifecycle.DefaultLifecycleObserver -import androidx.lifecycle.Lifecycle -import androidx.lifecycle.LifecycleOwner -import androidx.viewbinding.ViewBinding -import kotlin.properties.ReadOnlyProperty -import kotlin.reflect.KProperty - -/** - * Imported from - * https://medium.com/@Zhuinden/simple-one-liner-viewbinding-in-fragments-and-activities-with-kotlin-961430c6c07c - */ -class FragmentViewBindingDelegate<T : ViewBinding>( - val fragment: Fragment, - val viewBindingFactory: (View) -> T -) : ReadOnlyProperty<Fragment, T> { - - private var binding: T? = null - - init { - fragment.lifecycle.addObserver( - object : DefaultLifecycleObserver { - override fun onCreate(owner: LifecycleOwner) { - fragment.viewLifecycleOwnerLiveData.observe(fragment) { viewLifecycleOwner -> - viewLifecycleOwner.lifecycle.addObserver( - object : DefaultLifecycleObserver { - override fun onDestroy(owner: LifecycleOwner) { - binding = null - } - } - ) - } - } - } - ) - } - - override fun getValue(thisRef: Fragment, property: KProperty<*>): T { - val binding = binding - if (binding != null) { - return binding - } - - val lifecycle = fragment.viewLifecycleOwner.lifecycle - if (!lifecycle.currentState.isAtLeast(Lifecycle.State.INITIALIZED)) { - throw IllegalStateException( - "Should not attempt to get bindings when Fragment views are destroyed." - ) - } - - return viewBindingFactory(thisRef.requireView()).also { this.binding = it } - } -} - -fun <T : ViewBinding> Fragment.viewBinding(viewBindingFactory: (View) -> T) = - FragmentViewBindingDelegate(this, viewBindingFactory) - -inline fun <T : ViewBinding> AppCompatActivity.viewBinding( - crossinline bindingInflater: (LayoutInflater) -> T -) = unsafeLazy { bindingInflater.invoke(layoutInflater) } |
