优化

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

@@ -49,8 +49,7 @@ data class ReplaceRule(
         if (isRegex){
             try {
                 Pattern.compile(pattern)
-            }
+            } catch (ex: PatternSyntaxException) {
-            catch (ex: PatternSyntaxException){
                 return false
             }
         }

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

@@ -13,23 +13,23 @@ object IntentHelp {
 
     fun toTTSSetting(context: Context) {
         //跳转到文字转语音设置界面
-        try {
+        kotlin.runCatching {
             val intent = Intent()
             intent.action = "com.android.settings.TTS_SETTINGS"
             intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
             context.startActivity(intent)
-        } catch (ignored: Exception) {
+        }.onFailure {
             context.toast(R.string.tip_cannot_jump_setting_page)
         }
     }
 
     fun toInstallUnknown(context: Context) {
-        try {
+        kotlin.runCatching {
             val intent = Intent()
             intent.action = "android.settings.MANAGE_UNKNOWN_APP_SOURCES"
             intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
             context.startActivity(intent)
-        } catch (ignored: Exception) {
+        }.onFailure {
             context.toast("无法打开设置")
         }
     }

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

@@ -61,11 +61,11 @@ object ThemeConfig {
     private fun getConfigs(): List<Config>? {
         val configFile = File(configFilePath)
         if (configFile.exists()) {
-            try {
+            kotlin.runCatching {
                 val json = configFile.readText()
                 return GSON.fromJsonArray(json)
-            } catch (e: Exception) {
+            }.onFailure {
-                e.printStackTrace()
+                it.printStackTrace()
             }
         }
         return null