up

app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt

@@ -24,7 +24,10 @@ interface SearchBookDao {
     fun getSearchBook(bookUrl: String): SearchBook?
 
     @Query("select * from searchBooks where name = :name and author = :author order by originOrder limit 1")
-    fun getByNameAuthor(name: String, author: String?): SearchBook?
+    fun getFirstByNameAuthor(name: String, author: String): SearchBook?
+
+    @Query("select * from searchBooks where name = :name and author = :author order by originOrder")
+    fun getByNameAuthor(name: String, author: String): List<SearchBook>
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg searchBook: SearchBook): List<Long>

app/src/main/java/io/legado/app/data/entities/SearchShow.kt

@@ -3,8 +3,8 @@ package io.legado.app.data.entities
 import io.legado.app.utils.splitNotBlank
 
 data class SearchShow(
-    var name: String? = null,
-    var author: String? = null,
+    var name: String = "",
+    var author: String = "",
     var kind: String? = null,
     var coverUrl: String? = null,
     var intro: String? = null,

app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt

@@ -5,8 +5,11 @@ import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.LinearLayout
 import androidx.appcompat.widget.SearchView
 import androidx.fragment.app.DialogFragment
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.data.entities.Book
@@ -70,7 +73,11 @@ class ChangeSourceDialog : DialogFragment() {
     private fun initRecyclerView() {
         changeSourceAdapter = ChangeSourceAdapter(requireContext())
         recycler_view.layoutManager = LinearLayoutManager(context)
+        recycler_view.addItemDecoration(DividerItemDecoration(requireContext(), LinearLayout.VERTICAL))
         recycler_view.adapter = changeSourceAdapter
+        viewModel.searchBookData.observe(viewLifecycleOwner, Observer {
+            changeSourceAdapter.addItems(it)
+        })
     }
 
     private fun initSearchView() {

app/src/main/java/io/legado/app/ui/changesource/ChangeSourceViewModel.kt

@@ -1,15 +1,22 @@
 package io.legado.app.ui.changesource
 
 import android.app.Application
+import androidx.lifecycle.MutableLiveData
+import io.legado.app.App
 import io.legado.app.base.BaseViewModel
+import io.legado.app.data.entities.SearchBook
 
 class ChangeSourceViewModel(application: Application) : BaseViewModel(application) {
 
     var name: String = ""
     var author: String = ""
-
+    val searchBookData = MutableLiveData<List<SearchBook>>()
 
     fun startSearch() {
-
+        execute {
+            App.db.searchBookDao().getByNameAuthor(name, author).let {
+                searchBookData.postValue(it)
+            }
+        }
     }
 }

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

@@ -78,7 +78,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search)
         searchBookData?.observe(this, Observer { adapter.submitList(it) })
     }
 
-    override fun showBookInfo(name: String, author: String?) {
+    override fun showBookInfo(name: String, author: String) {
         viewModel.getSearchBook(name, author) { searchBook ->
             searchBook?.let {
                 startActivity<BookInfoActivity>(Pair("searchBookUrl", it.bookUrl))

app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt

@@ -96,12 +96,12 @@ class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(D
                     .setAsDrawable(iv_cover)
             }
             onClick {
-                callBack?.showBookInfo(searchBook.name!!, searchBook.author)
+                callBack?.showBookInfo(searchBook.name, searchBook.author)
             }
         }
     }
 
     interface CallBack {
-        fun showBookInfo(name: String, author: String?)
+        fun showBookInfo(name: String, author: String)
     }
 }

app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt

@@ -48,9 +48,9 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
         task?.cancel()
     }
 
-    fun getSearchBook(name: String, author: String?, success: ((searchBook: SearchBook?) -> Unit)?) {
+    fun getSearchBook(name: String, author: String, success: ((searchBook: SearchBook?) -> Unit)?) {
         execute {
-            val searchBook = App.db.searchBookDao().getByNameAuthor(name, author)
+            val searchBook = App.db.searchBookDao().getFirstByNameAuthor(name, author)
             success?.invoke(searchBook)
         }
     }

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

@@ -18,7 +18,7 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
         app:layout_constraintTop_toBottomOf="@+id/tool_bar"
         app:layout_constraintBottom_toBottomOf="parent" />
 

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
     android:orientation="vertical">
 
     <TextView