主页动画

app/src/main/java/io/legado/app/ui/main/bookshelf/books/BooksFragment.kt

@@ -10,6 +10,7 @@ import android.view.ViewConfiguration
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.doOnPreDraw
 import androidx.core.view.isGone
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.Lifecycle
@@ -115,6 +116,10 @@ class BooksFragment() : BaseFragment(R.layout.fragment_books),
     private var enableRefresh = true
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
+        postponeEnterTransition()
+        view.doOnPreDraw {
+            startPostponedEnterTransition()
+        }
         arguments?.let {
             position = it.getInt("position", 0)
             groupId = it.getLong("groupId", -1)
@@ -243,10 +248,11 @@ class BooksFragment() : BaseFragment(R.layout.fragment_books),
             ).catch {
                 AppLog.put("书架更新出错", it)
             }.conflate().flowOn(Dispatchers.Default).collect { list ->
+                if (view == null) return@collect
                 binding.emptyView.isGone = list.isNotEmpty()
                 binding.refreshLayout.isEnabled = enableRefresh && list.isNotEmpty()
                 booksAdapter.setItems(list)
-                delay(100)
+                delay(500)
             }
         }
     }

app/src/main/java/io/legado/app/ui/main/bookshelf/books/BookshelfFragment2.kt

@@ -11,6 +11,7 @@ import androidx.appcompat.widget.SearchView
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.doOnPreDraw
 import androidx.core.view.isGone
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
@@ -51,6 +52,7 @@ import io.legado.app.utils.showDialogFragment
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.flowOn
@@ -118,6 +120,10 @@ class BookshelfFragment2() : BaseBookshelfFragment(R.layout.fragment_bookshelf2)
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(binding.topBar)
+        postponeEnterTransition()
+        view.doOnPreDraw {
+            startPostponedEnterTransition()
+        }
         initRecyclerView()
         initBookGroupData()
         initAllBooksData()
@@ -205,7 +211,7 @@ class BookshelfFragment2() : BaseBookshelfFragment(R.layout.fragment_bookshelf2)
         if (data != bookGroups) {
             bookGroups = data
             booksAdapter.updateItems()
-            binding.tvEmptyMsg.isGone = getItemCount() > 0
+            binding.emptyView.isGone = getItemCount() > 0
             binding.refreshLayout.isEnabled = enableRefresh && getItemCount() > 0
         }
     }
@@ -299,10 +305,11 @@ class BookshelfFragment2() : BaseBookshelfFragment(R.layout.fragment_bookshelf2)
             ).catch {
                 AppLog.put("书架更新出错", it)
             }.conflate().flowOn(Dispatchers.Default).collect { list ->
-                books = list
+                if (view == null) return@collect
+                binding.emptyView.isGone = list.isNotEmpty()
+                binding.refreshLayout.isEnabled = enableRefresh && list.isNotEmpty()
                 booksAdapter.updateItems()
-                binding.tvEmptyMsg.isGone = getItemCount() > 0
-                binding.refreshLayout.isEnabled = enableRefresh && getItemCount() > 0
+                delay(500)
             }
         }
     }

app/src/main/java/io/legado/app/ui/main/bookshelf/books/styleDefalut/BooksAdapterList.kt

@@ -104,13 +104,13 @@ class BooksAdapterList(
         holder.itemView.apply {
             binding.cvContent.setOnClickListener {
                 getItem(holder.layoutPosition)?.let {
-                    callBack.open(it, binding.cvContent)
+                    callBack.open(it, binding.cdCover)
                 }
             }
 
             binding.cvContent.onLongClick {
                 getItem(holder.layoutPosition)?.let {
-                    callBack.openBookInfo(it, binding.cvContent)
+                    callBack.openBookInfo(it, binding.cdCover)
                 }
             }
         }

app/src/main/java/io/legado/app/ui/main/bookshelf/books/styleFold/BooksAdapterGrid.kt

@@ -92,10 +92,10 @@ class BooksAdapterGrid(context: Context, callBack: CallBack) :
 
         fun registerListener(item: Any) {
             binding.cvContent.setOnClickListener {
-                callBack.onItemClick(item, binding.ivCover)
+                callBack.onItemClick(item, binding.cvContent)
             }
             binding.cvContent.onLongClick {
-                callBack.onItemLongClick(item, binding.ivCover)
+                callBack.onItemLongClick(item, binding.cvContent)
             }
         }
 

app/src/main/java/io/legado/app/ui/main/bookshelf/books/styleFold/BooksAdapterList.kt

@@ -113,10 +113,10 @@ class BooksAdapterList(context: Context, callBack: CallBack) :
 
         fun registerListener(item: Any) {
             binding.cvContent.setOnClickListener {
-                callBack.onItemClick(item, binding.cvContent)
+                callBack.onItemClick(item, binding.cdCover)
             }
             binding.cvContent.onLongClick {
-                callBack.onItemLongClick(item, binding.cvContent)
+                callBack.onItemLongClick(item, binding.cdCover)
             }
         }
 

app/src/main/res/layout/fragment_bookshelf2.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -62,15 +61,12 @@
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
 
-    <TextView
-        android:id="@+id/tv_empty_msg"
+    <io.legado.app.ui.widget.EmptyMessageView
+        android:id="@+id/emptyView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:visibility="visible"
         android:layout_gravity="center"
-        android:layout_margin="16dp"
-        android:gravity="center"
-        android:text="@string/bookshelf_empty"
-        android:visibility="gone"
-        tools:text="TextView" />
+        app:messageText="@string/bookshelf_empty"/>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>