优化

app/src/main/java/io/legado/app/help/http/cronet/CronetUrlRequestCallback.kt

@@ -142,11 +142,12 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
     companion object {
         private const val TAG = "Callback"
         private const val MAX_FOLLOW_COUNT = 20
+
+        @Suppress("DEPRECATION")
         private fun protocolFromNegotiatedProtocol(responseInfo: UrlResponseInfo): Protocol {
             val negotiatedProtocol = responseInfo.negotiatedProtocol.lowercase(Locale.getDefault())
 //            Log.e("Cronet", responseInfo.url)
 //            Log.e("Cronet", negotiatedProtocol)
-
             return when {
                 negotiatedProtocol.contains("h3") -> {
                     return Protocol.QUIC

app/src/main/java/io/legado/app/help/storage/BookWebDav.kt

@@ -102,7 +102,7 @@ object BookWebDav {
 
     suspend fun backUpWebDav(path: String) {
         try {
-            if (initWebDav()) {
+            if (initWebDav() && NetworkUtils.isAvailable()) {
                 val paths = arrayListOf(*Backup.backupFileNames)
                 for (i in 0 until paths.size) {
                     paths[i] = path + File.separator + paths[i]
@@ -116,15 +116,13 @@ object BookWebDav {
                 }
             }
         } catch (e: Exception) {
-            Handler(Looper.getMainLooper()).post {
-                appCtx.toastOnUi("WebDav\n${e.localizedMessage}")
-            }
+            appCtx.toastOnUi("WebDav\n${e.localizedMessage}")
         }
     }
 
     suspend fun exportWebDav(byteArray: ByteArray, fileName: String) {
         try {
-            if (initWebDav()) {
+            if (initWebDav() && NetworkUtils.isAvailable()) {
                 // 默认导出到legado文件夹下exports目录
                 val exportsWebDavUrl = rootWebDavUrl + EncoderUtils.escape("exports") + "/"
                 // 在legado文件夹创建exports目录,如果不存在的话
@@ -141,6 +139,7 @@ object BookWebDav {
     }
 
     fun uploadBookProgress(book: Book) {
+        if (!NetworkUtils.isAvailable()) return
         Coroutine.async {
             val bookProgress = BookProgress(
                 name = book.name,
@@ -159,7 +158,7 @@ object BookWebDav {
     }
 
     suspend fun getBookProgress(book: Book): BookProgress? {
-        if (initWebDav()) {
+        if (initWebDav() && NetworkUtils.isAvailable()) {
             val url = getProgressUrl(book)
             WebDav(url).download()?.let { byteArray ->
                 val json = String(byteArray)

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt

@@ -16,10 +16,6 @@ import java.util.*
 @Keep
 class AnalyzeByJSoup(doc: Any) {
     companion object {
-        /**
-         * "class", "id", "tag", "text", "children"
-         */
-        val validKeys = arrayOf("class", "id", "tag", "text", "children")
 
         fun parse(doc: Any): Element {
             return when (doc) {
@@ -260,22 +256,16 @@ class AnalyzeByJSoup(doc: Any) {
 
     /**
      * 1.支持阅读原有写法，':'分隔索引，!或.表示筛选方式，索引可为负数
-     *
      * 例如 tag.div.-1:10:2 或 tag.div!0:3
      *
      * 2. 支持与jsonPath类似的[]索引写法
-     *
      * 格式形如 [it,it，。。。] 或 [!it,it，。。。] 其中[!开头表示筛选方式为排除，it为单个索引或区间。
-     *
      * 区间格式为 start:end 或 start:end:step，其中start为0可省略，end为-1可省略。
-     *
      * 索引，区间两端及间隔都支持负数
-     *
      * 例如 tag.div[-1, 3:-2:-10, 2]
-     *
      * 特殊用法 tag.div[-1:0] 可在任意地方让列表反向
-     *
      * */
+    @Suppress("UNCHECKED_CAST")
     data class ElementsSingle(
         var split: Char = '.',
         var beforeRule: String = "",
@@ -322,7 +312,6 @@ class AnalyzeByJSoup(doc: Any) {
             } else for (ix in lastIndexs downTo 0) { //indexs不空，表明是[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
 
                 if (indexs[ix] is Triple<*, *, *>) { //区间
-
                     val (startx, endx, stepx) = indexs[ix] as Triple<Int?, Int?, Int> //还原储存时的类型
 
                     val start = if (startx == null) 0 //左端省略表示0

app/src/main/java/io/legado/app/utils/NetworkUtils.kt

@@ -1,5 +1,9 @@
 package io.legado.app.utils
 
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+import android.os.Build
+import splitties.systemservices.connectivityManager
 import java.net.InetAddress
 import java.net.NetworkInterface
 import java.net.SocketException
@@ -7,9 +11,40 @@ import java.net.URL
 import java.util.*
 import java.util.regex.Pattern
 
+
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 object NetworkUtils {
 
+    /**
+     * 判断是否联网
+     */
+    @Suppress("DEPRECATION")
+    fun isAvailable(): Boolean {
+        if (Build.VERSION.SDK_INT < 23) {
+            val mWiFiNetworkInfo = connectivityManager.activeNetworkInfo
+            if (mWiFiNetworkInfo != null) {
+                //移动数据
+                return if (mWiFiNetworkInfo.type == ConnectivityManager.TYPE_WIFI) {
+                    //WIFI
+                    true
+                } else mWiFiNetworkInfo.type == ConnectivityManager.TYPE_MOBILE
+            }
+        } else {
+            val network = connectivityManager.activeNetwork
+            if (network != null) {
+                val nc = connectivityManager.getNetworkCapabilities(network)
+                if (nc != null) {
+                    //移动数据
+                    return if (nc.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
+                        //WIFI
+                        true
+                    } else nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
+                }
+            }
+        }
+        return false
+    }
+
     private val notNeedEncoding: BitSet by lazy {
         val bitSet = BitSet(256)
         for (i in 'a'.code..'z'.code) {