split basefragment and state saving
This commit is contained in:
Максим Бачинский
parent
8399f01d50
commit
45dddff10a
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@ -29,7 +29,7 @@ import androidx.appcompat.app.AppCompatActivity
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import ru.touchin.roboswag.core.log.Lc
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import ru.touchin.roboswag.core.log.LcGroup
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import ru.touchin.roboswag.navigation_base.fragments.LifecycleLoggingObserver
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import ru.touchin.roboswag.navigation_viewcontroller.keyboard_resizeable.KeyboardBehaviorDetector
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import ru.touchin.roboswag.navigation_base.keyboard_resizeable.KeyboardBehaviorDetector
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/**
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* Created by Gavriil Sitnikov on 08/03/2016.
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@ -4,8 +4,6 @@ import android.content.Context
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import android.content.res.ColorStateList
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import android.graphics.drawable.Drawable
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import android.os.Bundle
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import android.os.Parcel
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import android.os.Parcelable
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import android.view.View
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import androidx.annotation.ColorInt
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import androidx.annotation.ColorRes
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@ -15,30 +13,12 @@ import androidx.annotation.LayoutRes
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import androidx.core.content.ContextCompat
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentActivity
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import ru.touchin.roboswag.navigation_base.BuildConfig
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open class BaseFragment<TActivity : FragmentActivity, TState : Parcelable>(@LayoutRes layoutRes: Int) : Fragment(layoutRes) {
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open class BaseFragment<TActivity : FragmentActivity> : Fragment {
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companion object {
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private const val BASE_FRAGMENT_STATE_EXTRA = "BASE_FRAGMENT_STATE_EXTRA"
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constructor() : super()
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fun args(state: Parcelable?): Bundle = Bundle().also { it.putParcelable(BASE_FRAGMENT_STATE_EXTRA, state) }
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// This method used to check unique state of each fragment.
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// If two fragments share same class for state, you should not pass state instance of current fragment to the one you transition to
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private fun <T : Parcelable> reserialize(parcelable: T): T {
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var parcel = Parcel.obtain()
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parcel.writeParcelable(parcelable, 0)
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val serializableBytes = parcel.marshall()
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parcel.recycle()
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parcel = Parcel.obtain()
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parcel.unmarshall(serializableBytes, 0, serializableBytes.size)
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parcel.setDataPosition(0)
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val result = parcel.readParcelable<T>(Thread.currentThread().contextClassLoader) ?: throw IllegalStateException("It must not be null")
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parcel.recycle()
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return result
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}
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}
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constructor(@LayoutRes layoutRes: Int) : super(layoutRes)
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protected val view: View
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@JvmName("requireViewKtx") get() = requireView()
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@ -49,21 +29,10 @@ open class BaseFragment<TActivity : FragmentActivity, TState : Parcelable>(@Layo
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protected val context: Context
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@JvmName("requireContextKtx") get() = requireContext()
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protected lateinit var state: TState
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private set
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setHasOptionsMenu(true)
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state = savedInstanceState?.getParcelable<TState>(BASE_FRAGMENT_STATE_EXTRA)
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?: arguments?.getParcelable(BASE_FRAGMENT_STATE_EXTRA)
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?: throw IllegalStateException("Fragment state can't be null")
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if (BuildConfig.DEBUG) {
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state = reserialize(state)
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}
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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@ -72,11 +41,6 @@ open class BaseFragment<TActivity : FragmentActivity, TState : Parcelable>(@Layo
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lifecycle.addObserver(LifecycleLoggingObserver(this))
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}
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override fun onSaveInstanceState(outState: Bundle) {
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super.onSaveInstanceState(outState)
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outState.putParcelable(BASE_FRAGMENT_STATE_EXTRA, state)
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}
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fun <T : View> findViewById(@IdRes id: Int): T = view.findViewById(id)
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@ColorInt
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@ -0,0 +1,55 @@
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package ru.touchin.roboswag.navigation_base.fragments
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import android.os.Bundle
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import android.os.Parcel
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import android.os.Parcelable
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import androidx.annotation.LayoutRes
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import androidx.fragment.app.FragmentActivity
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import ru.touchin.roboswag.navigation_base.BuildConfig
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open class FragmentWithState<TActivity : FragmentActivity, TState : Parcelable>(
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@LayoutRes layoutRes: Int
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) : BaseFragment<TActivity>(layoutRes) {
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companion object {
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private const val BASE_FRAGMENT_STATE_EXTRA = "BASE_FRAGMENT_STATE_EXTRA"
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fun args(state: Parcelable?): Bundle = Bundle().also { it.putParcelable(BASE_FRAGMENT_STATE_EXTRA, state) }
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// This method used to check unique state of each fragment.
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// If two fragments share same class for state, you should not pass state instance of current fragment to the one you transition to
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private fun <T : Parcelable> reserialize(parcelable: T): T {
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var parcel = Parcel.obtain()
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parcel.writeParcelable(parcelable, 0)
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val serializableBytes = parcel.marshall()
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parcel.recycle()
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parcel = Parcel.obtain()
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parcel.unmarshall(serializableBytes, 0, serializableBytes.size)
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parcel.setDataPosition(0)
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val result = parcel.readParcelable<T>(Thread.currentThread().contextClassLoader) ?: throw IllegalStateException("It must not be null")
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parcel.recycle()
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return result
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}
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}
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protected lateinit var state: TState
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private set
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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state = savedInstanceState?.getParcelable<TState>(BASE_FRAGMENT_STATE_EXTRA)
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?: arguments?.getParcelable(BASE_FRAGMENT_STATE_EXTRA)
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?: throw IllegalStateException("Fragment state can't be null")
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if (BuildConfig.DEBUG) {
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state = reserialize(state)
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}
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}
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override fun onSaveInstanceState(outState: Bundle) {
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super.onSaveInstanceState(outState)
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outState.putParcelable(BASE_FRAGMENT_STATE_EXTRA, state)
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}
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}
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@ -1,4 +1,4 @@
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package ru.touchin.roboswag.navigation_viewcontroller.keyboard_resizeable
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package ru.touchin.roboswag.navigation_base.keyboard_resizeable
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import androidx.core.view.ViewCompat
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import androidx.core.view.WindowInsetsCompat
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