优化

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -145,6 +145,7 @@ object PreferKey {
     const val mouseWheelPage = "mouseWheelPage"
     const val recordHeapDump = "recordHeapDump"
     const val optimizeRender = "optimizeRender"
+    const val updateToBeta = "updateToBeta"
 
     const val cPrimary = "colorPrimary"
     const val cAccent = "colorAccent"

app/src/main/java/io/legado/app/help/AppUpdate.kt

@@ -23,6 +23,8 @@ object AppUpdate {
 
         fun check(scope: CoroutineScope): Coroutine<UpdateInfo>
 
+        fun checkBeta(scope: CoroutineScope): Coroutine<UpdateInfo>
+
     }
 
 }

app/src/main/java/io/legado/app/help/AppUpdateGitHub.kt

@@ -47,5 +47,37 @@ object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
         }.timeout(10000)
     }
 
+    override fun checkBeta(scope: CoroutineScope): Coroutine<AppUpdate.UpdateInfo> {
+        return Coroutine.async(scope) {
+            val preReleaseUrl = "https://api.github.com/repos/gedoor/legado/releases/tags/beta"
+            val body = okHttpClient.newCallStrResponse {
+                url(preReleaseUrl)
+            }.body
+            if (body.isNullOrBlank()) {
+                throw NoStackTraceException("获取新版本出错")
+            }
+            val rootDoc = jsonPath.parse(body)
+            val path = "\$.assets[?(@.name =~ /legado_${appCtx.channel}_.*?apk\$/)]"
+            val assetsMap = rootDoc.read<List<Any>>(path)
+                .firstOrNull()
+                ?: throw NoStackTraceException("获取新版本出错")
+            val assets = jsonPath.parse(assetsMap)
+            val name = assets.readString("$.name")
+                ?: throw NoStackTraceException("获取新版本出错")
+            val tagName = name.replace("legado_${appCtx.channel}_|\\.apk".toRegex(), "")
+            if (tagName > AppConst.appInfo.versionName) {
+                val updateBody = rootDoc.readString("$.body")
+                    ?: throw NoStackTraceException("获取新版本出错")
+                val downloadUrl = assets.readString("$.browser_download_url")
+                    ?: throw NoStackTraceException("获取新版本出错")
+                val fileName = assets.readString("$.name")
+                    ?: throw NoStackTraceException("获取新版本出错")
+                return@async AppUpdate.UpdateInfo(tagName, updateBody, downloadUrl, fileName)
+            } else {
+                throw NoStackTraceException("已是最新版本")
+            }
+        }.timeout(10000)
+    }
+
 
 }

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -471,6 +471,8 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
 
     val defaultHomePage get() = appCtx.getPrefString(PreferKey.defaultHomePage, "bookshelf")
 
+    val updateToBeta get() = appCtx.getPrefBoolean(PreferKey.updateToBeta, false)
+
     val doublePageHorizontal: String?
         get() = appCtx.getPrefString(PreferKey.doublePageHorizontal)
 

app/src/main/java/io/legado/app/ui/about/AboutFragment.kt

@@ -88,16 +88,20 @@ class AboutFragment : PreferenceFragmentCompat() {
     private fun checkUpdate() {
         waitDialog.show()
         AppUpdate.gitHubUpdate?.run {
-            check(lifecycleScope)
-                .onSuccess {
-                    showDialogFragment(
-                        UpdateDialog(it)
-                    )
-                }.onError {
-                    appCtx.toastOnUi("${getString(R.string.check_update)}\n${it.localizedMessage}")
-                }.onFinally {
-                    waitDialog.dismiss()
-                }
+            val job = if (AppConfig.updateToBeta) {
+                checkBeta(lifecycleScope)
+            } else {
+                check(lifecycleScope)
+            }
+            job.onSuccess {
+                showDialogFragment(
+                    UpdateDialog(it)
+                )
+            }.onError {
+                appCtx.toastOnUi("${getString(R.string.check_update)}\n${it.localizedMessage}")
+            }.onFinally {
+                waitDialog.dismiss()
+            }
         }
     }