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Merge pull request #6 from Semper-Viventem/release
Release 0.1.2
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39 changes: 0 additions & 39 deletions
39
sample/src/main/kotlin/ru/semper_viventem/backdropview/MainActivity.kt
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81 changes: 81 additions & 0 deletions
81
sample/src/main/kotlin/ru/semper_viventem/backdropview/ui/MainActivity.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,81 @@ | ||
| package ru.semper_viventem.backdropview.ui | ||
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| import android.os.Bundle | ||
| import android.support.annotation.IdRes | ||
| import android.support.v4.app.Fragment | ||
| import android.support.v7.app.AppCompatActivity | ||
| import kotlinx.android.synthetic.main.activity_main.* | ||
| import ru.semper_viventem.backdrop.BackdropBehavior | ||
| import ru.semper_viventem.backdropview.R | ||
| import ru.semper_viventem.backdropview.findBehavior | ||
| import ru.semper_viventem.backdropview.ui.gallery.GalleryScreen | ||
| import ru.semper_viventem.backdropview.ui.list.ListScreen | ||
| import ru.semper_viventem.backdropview.ui.text.TextScreen | ||
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| class MainActivity : AppCompatActivity() { | ||
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| companion object { | ||
| private const val ARG_LAST_MENU_ITEM = "last_menu_item" | ||
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| private const val MENU_GALLERY = R.id.menuGallery | ||
| private const val MENU_TEXT = R.id.menuText | ||
| private const val MENU_LIST = R.id.menuList | ||
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| private const val FRAGMENT_CONTAINER = R.id.foregroundContainer | ||
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| private const val DEFAULT_ITEM = MENU_GALLERY | ||
| } | ||
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| private lateinit var backdropBehavior: BackdropBehavior | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_main) | ||
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| backdropBehavior = foregroundContainer.findBehavior() | ||
| with(backdropBehavior) { | ||
| attacheBackContainer(R.id.backContainer) | ||
| attacheToolbar(R.id.toolbar) | ||
| } | ||
| with(toolbar) { | ||
| setTitle(R.string.app_name) | ||
| } | ||
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| navigationView.setNavigationItemSelectedListener { item -> | ||
| checkMenuPosition(item.itemId) | ||
| backdropBehavior.close() | ||
| true | ||
| } | ||
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| val currentItem = savedInstanceState?.getInt(ARG_LAST_MENU_ITEM) ?: DEFAULT_ITEM | ||
| navigationView.setCheckedItem(currentItem) | ||
| checkMenuPosition(navigationView.checkedItem!!.itemId) | ||
| } | ||
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| override fun onBackPressed() { | ||
| if (!backdropBehavior.close()) { | ||
| finish() | ||
| } | ||
| } | ||
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| override fun onSaveInstanceState(outState: Bundle) { | ||
| outState.putInt(ARG_LAST_MENU_ITEM, navigationView.checkedItem!!.itemId) | ||
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| super.onSaveInstanceState(outState) | ||
| } | ||
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| private fun checkMenuPosition(@IdRes menuItemId: Int) { | ||
| when (menuItemId) { | ||
| MENU_GALLERY -> showPage(GalleryScreen()) | ||
| MENU_TEXT -> showPage(TextScreen()) | ||
| MENU_LIST -> showPage(ListScreen()) | ||
| } | ||
| } | ||
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| private fun showPage(page: Fragment) { | ||
| supportFragmentManager | ||
| .beginTransaction() | ||
| .replace(FRAGMENT_CONTAINER, page) | ||
| .commit() | ||
| } | ||
| } |
76 changes: 76 additions & 0 deletions
76
sample/src/main/kotlin/ru/semper_viventem/backdropview/ui/common/BaseListAdapter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package ru.semper_viventem.backdropview.ui.common | ||
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| import android.support.v7.util.DiffUtil | ||
| import android.support.v7.widget.RecyclerView | ||
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| /** | ||
| * Easy to use base adapter for lists with single item type. | ||
| * @author Dmitriy Gorbunov (@dmdevgo) | ||
| */ | ||
| abstract class BaseListAdapter<T, VH> : RecyclerView.Adapter<VH>() where VH : RecyclerView.ViewHolder, VH : BaseListAdapter.Bindable<T> { | ||
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| private var items: MutableList<T> = mutableListOf() | ||
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| override fun onBindViewHolder(holder: VH, position: Int) { | ||
| holder.bind(getItem(position)) | ||
| } | ||
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| override fun getItemCount() = items.size | ||
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| fun getItem(position: Int) = items[position] | ||
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| fun getItems(): List<T> { | ||
| return items | ||
| } | ||
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| fun addItems(list: List<T>) { | ||
| val positionStart = items.size | ||
| items.addAll(list) | ||
| notifyItemRangeInserted(positionStart, list.size) | ||
| } | ||
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| fun setItems(list: List<T>) { | ||
| items.clear() | ||
| items.addAll(list) | ||
| notifyDataSetChanged() | ||
| } | ||
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| fun updateItems(list: List<T>, diffCallback: DiffItemsCallback<T>) { | ||
| if (items.isEmpty()) { | ||
| setItems(list) | ||
| } else { | ||
| val diffResult = DiffUtil.calculateDiff(DiffCallback(items, list, diffCallback)) | ||
| items.clear() | ||
| items.addAll(list) | ||
| diffResult.dispatchUpdatesTo(this) | ||
| } | ||
| } | ||
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| interface Bindable<in T> { | ||
| fun bind(item: T) | ||
| } | ||
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| interface DiffItemsCallback<in T> { | ||
| fun areItemsTheSame(oldItem: T, newItem: T): Boolean | ||
| fun areContentsTheSame(oldItem: T, newItem: T): Boolean | ||
| } | ||
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| private class DiffCallback<in T>( | ||
| private val oldList: List<T>, | ||
| private val newList: List<T>, | ||
| private val diffItemsCallback: DiffItemsCallback<T> | ||
| ) : DiffUtil.Callback() { | ||
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| override fun getOldListSize() = oldList.size | ||
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| override fun getNewListSize() = newList.size | ||
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| override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean { | ||
| return diffItemsCallback.areItemsTheSame(oldList[oldItemPosition], newList[newItemPosition]) | ||
| } | ||
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| override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean { | ||
| return diffItemsCallback.areContentsTheSame(oldList[oldItemPosition], newList[newItemPosition]) | ||
| } | ||
| } | ||
| } |
32 changes: 32 additions & 0 deletions
32
sample/src/main/kotlin/ru/semper_viventem/backdropview/ui/common/Screen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package ru.semper_viventem.backdropview.ui.common | ||
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| import android.content.Context | ||
| import android.os.Bundle | ||
| import android.support.v4.app.Fragment | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
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| abstract class Screen : Fragment { | ||
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| constructor(): super() | ||
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| constructor(args: Bundle) : super() { | ||
| arguments = args | ||
| } | ||
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| abstract val layoutId: Int | ||
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| override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? { | ||
| return inflater.inflate(layoutId, container, false) | ||
| } | ||
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| override fun onStart() { | ||
| super.onStart() | ||
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| onInitView(view!!) | ||
| } | ||
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| abstract fun onInitView(view: View) | ||
| } |
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