fix crash

GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/utils/GXSystemProp.kt

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2021, Alibaba Group Holding Limited;
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.gaiax.utils
+
+import android.annotation.SuppressLint
+import java.lang.reflect.Method
+
+/**
+ * @suppress
+ */
+object GXSystemProp {
+
+    private var classType: Class<*>? = null
+    private var setMethod: Method? = null
+    private var getMethod: Method? = null
+
+    @SuppressLint("PrivateApi")
+    private fun init() {
+        try {
+            if (classType == null) {
+                classType = Class.forName("android.os.SystemProperties")
+                setMethod = classType?.getDeclaredMethod("set", String::class.java, String::class.java)
+                getMethod = classType?.getDeclaredMethod("get", String::class.java, String::class.java)
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    operator fun set(key: String, value: String) {
+        init()
+        try {
+            setMethod?.invoke(classType, key, value)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    operator fun get(key: String, value: String): String? {
+        init()
+        return try {
+            getMethod?.invoke(classType, key, value) as? String
+        } catch (e: Exception) {
+            e.printStackTrace()
+            value
+        }
+    }
+
+}