优化导入

app/src/main/java/io/legado/app/model/localBook/LocalBook.kt

@@ -31,7 +31,7 @@ object LocalBook {
         }
     }
 
-    fun importFile(path: String) {
+    fun importFile(path: String): Book {
         val fileName = if (path.isContentPath()) {
             val doc = DocumentFile.fromSingleUri(App.INSTANCE, Uri.parse(path))
             doc?.name ?: ""
@@ -67,6 +67,7 @@ object LocalBook {
             )
         )
         App.db.bookDao().insert(book)
+        return book
     }
 
     fun deleteBook(book: Book, deleteOriginal: Boolean) {

app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt

@@ -2,11 +2,13 @@ package io.legado.app.ui.association
 
 import android.content.Intent
 import android.os.Bundle
+import androidx.lifecycle.Observer
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.Theme
 import io.legado.app.ui.main.MainActivity
 import io.legado.app.utils.getViewModel
+import org.jetbrains.anko.toast
 
 
 class FileAssociationActivity : VMBaseActivity<FileAssociationViewModel>(
@@ -18,20 +20,21 @@ class FileAssociationActivity : VMBaseActivity<FileAssociationViewModel>(
         get() = getViewModel(FileAssociationViewModel::class.java)
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
+        viewModel.errorLiveData.observe(this, Observer {
+            toast(it)
+            gotoMainActivity()
+        })
+        viewModel.successLiveData.observe(this, Observer {
+            startActivity(it)
+            finish()
+        })
         intent.data?.let { data ->
-            val newIntent = viewModel.dispatchIndent(data)
-            if (newIntent != null) {
-                this.startActivityForResult(newIntent, 100)
-                finish()
-            } else {
-                gotoMainActivity()
-            }
+            viewModel.dispatchIndent(data)
         }
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
-
         //返回后直接跳转到主页面
         gotoMainActivity()
     }

app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt

@@ -5,8 +5,10 @@ import android.content.Intent
 import android.net.Uri
 import android.text.TextUtils
 import androidx.documentfile.provider.DocumentFile
+import androidx.lifecycle.MutableLiveData
 import io.legado.app.base.BaseViewModel
 import io.legado.app.model.localBook.LocalBook
+import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.utils.isJsonArray
 import io.legado.app.utils.isJsonObject
 import io.legado.app.utils.readText
@@ -14,8 +16,11 @@ import java.io.File
 
 class FileAssociationViewModel(application: Application) : BaseViewModel(application) {
 
-    fun dispatchIndent(uri: Uri): Intent? {
-        try {
+    val successLiveData = MutableLiveData<Intent>()
+    val errorLiveData = MutableLiveData<String>()
+
+    fun dispatchIndent(uri: Uri) {
+        execute {
             val url: String
             //如果是普通的url，需要根据返回的内容判断是什么
             if (uri.scheme == "file" || uri.scheme == "content") {
@@ -46,19 +51,19 @@ class FileAssociationViewModel(application: Application) : BaseViewModel(applica
                         }
                     }
                     if (TextUtils.isEmpty(scheme)) {
-                        execute {
-                            if (uri.scheme == "content") {
-                                LocalBook.importFile(uri.toString())
-                            } else {
-                                LocalBook.importFile(uri.path.toString())
-                            }
-                            toast("添加本地文件成功${uri.path}")
+                        val book = if (uri.scheme == "content") {
+                            LocalBook.importFile(uri.toString())
+                        } else {
+                            LocalBook.importFile(uri.path.toString())
                         }
-                        return null
+                        val intent = Intent(context, ReadBookActivity::class.java)
+                        intent.putExtra("bookUrl", book.bookUrl)
+                        successLiveData.postValue(intent)
+                        return@execute
                     }
                 } else {
-                    toast("文件不存在")
-                    return null
+                    errorLiveData.postValue("文件不存在")
+                    return@execute
                 }
                 // content模式下，需要传递完整的路径，方便后续解析
                 url = if (uri.scheme == "content") {
@@ -75,11 +80,11 @@ class FileAssociationViewModel(application: Application) : BaseViewModel(applica
             val data = Uri.parse(url)
             val newIndent = Intent(Intent.ACTION_VIEW)
             newIndent.data = data
-            return newIndent
-        } catch (e: Exception) {
-            e.printStackTrace()
-            toast(e.localizedMessage)
-            return null
+            successLiveData.postValue(newIndent)
+            return@execute
+        }.onError {
+            it.printStackTrace()
+            toast(it.localizedMessage)
         }
     }
 }