...

app/src/main/java/com/base/browserwhite/utils/SearchRecordUtils.kt

@@ -4,4 +4,27 @@ object SearchRecordUtils {
 
     const val SEARCH_RECORD_SP_KEY = "SEARCH_RECORD_SP_KEY"
 
+
+    private fun getSearchRecord(): List<String> {
+        val sp = AppPreferences.getInstance().getString(SEARCH_RECORD_SP_KEY, "")
+        return if (sp.equals("")) {
+            listOf()
+        } else {
+            sp.split(",")
+        }
+    }
+
+    fun deleteSearchRecord(value: String) {
+        val list = getSearchRecord().toMutableList()
+        list.remove(value)
+        val string = list.joinToString(separator = ",")
+
+        AppPreferences.getInstance().put(SEARCH_RECORD_SP_KEY, string)
+    }
+
+    fun clearSearchRecord() {
+        AppPreferences.getInstance().put(SEARCH_RECORD_SP_KEY, "")
+    }
+
+
 }
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