优化

app/src/main/java/io/legado/app/ui/book/explore/ExploreShowActivity.kt

@@ -22,7 +22,6 @@ class ExploreShowActivity : VMBaseActivity<ActivityExploreShowBinding, ExploreSh
 
     private val adapter by lazy { ExploreShowAdapter(this, this) }
     private val loadMoreView by lazy { LoadMoreView(this) }
-    private var isLoading = true
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.titleBar.title = intent.getStringExtra("exploreName")
@@ -42,10 +41,11 @@ class ExploreShowActivity : VMBaseActivity<ActivityExploreShowBinding, ExploreSh
         }
         loadMoreView.startLoad()
         loadMoreView.setOnClickListener {
-            if (!isLoading) {
-                loadMoreView.hasMore()
-                scrollToBottom()
-                isLoading = true
+            if (!loadMoreView.isLoading) {
+                if (!loadMoreView.showErrorDialog()) {
+                    loadMoreView.hasMore()
+                    scrollToBottom()
+                }
             }
         }
         binding.recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
@@ -60,14 +60,14 @@ class ExploreShowActivity : VMBaseActivity<ActivityExploreShowBinding, ExploreSh
 
     private fun scrollToBottom() {
         adapter.let {
-            if (loadMoreView.hasMore && !isLoading) {
+            if (loadMoreView.hasMore && !loadMoreView.isLoading) {
                 viewModel.explore()
             }
         }
     }
 
     private fun upData(books: List<SearchBook>) {
-        isLoading = false
+        loadMoreView.stopLoad()
         if (books.isEmpty() && adapter.isEmpty()) {
             loadMoreView.noMore(getString(R.string.empty))
         } else if (books.isEmpty()) {

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -26,7 +26,6 @@ import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.*
 import io.legado.app.ui.book.info.BookInfoActivity
 import io.legado.app.ui.book.source.manage.BookSourceActivity
-import io.legado.app.ui.widget.recycler.LoadMoreView
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Dispatchers.IO
@@ -56,7 +55,6 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
             setHasStableIds(true)
         }
     }
-    private val loadMoreView by lazy { LoadMoreView(this) }
     private val searchView: SearchView by lazy {
         binding.titleBar.findViewById(R.id.search_view)
     }
@@ -271,7 +269,6 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
         }
         if (viewModel.isSearchLiveData.value == false
             && viewModel.searchKey.isNotEmpty()
-            && loadMoreView.hasMore
         ) {
             viewModel.search("")
         }
@@ -364,7 +361,6 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
      */
     private fun searchFinally() {
         binding.refreshProgressBar.isAutoLoading = false
-        loadMoreView.startLoad()
         binding.fbStop.invisible()
     }
 

app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt

@@ -7,12 +7,18 @@ import android.view.ViewGroup
 import android.widget.FrameLayout
 import io.legado.app.R
 import io.legado.app.databinding.ViewLoadMoreBinding
+import io.legado.app.lib.dialogs.alert
 import io.legado.app.utils.invisible
 import io.legado.app.utils.visible
 
 @Suppress("unused")
 class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(context, attrs) {
     private val binding = ViewLoadMoreBinding.inflate(LayoutInflater.from(context), this)
+    private var errorMsg = ""
+
+    var isLoading = false
+        private set
+
     var hasMore = true
         private set
 
@@ -22,23 +28,26 @@ class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(
     }
 
     fun startLoad() {
+        isLoading = true
         binding.tvText.invisible()
         binding.rotateLoading.show()
     }
 
     fun stopLoad() {
+        isLoading = false
         binding.rotateLoading.hide()
     }
 
     fun hasMore() {
+        errorMsg = ""
         hasMore = true
-        binding.tvText.invisible()
-        binding.rotateLoading.show()
+        startLoad()
     }
 
     fun noMore(msg: String? = null) {
+        stopLoad()
+        errorMsg = ""
         hasMore = false
-        binding.rotateLoading.hide()
         if (msg != null) {
             binding.tvText.text = msg
         } else {
@@ -48,10 +57,21 @@ class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(
     }
 
     fun error(msg: String) {
+        stopLoad()
         hasMore = false
-        binding.rotateLoading.hide()
-        binding.tvText.text = msg
+        errorMsg = msg
+        binding.tvText.text = context.getString(R.string.error_load_msg, "点击查看详情")
         binding.tvText.visible()
     }
 
+    fun showErrorDialog(): Boolean {
+        if (errorMsg.isBlank()) {
+            return false
+        }
+        context.alert(R.string.error) {
+            setMessage(errorMsg)
+        }
+        return true
+    }
+
 }