getDeclaredMethod() 存在 class 本身的范围限制,不能获取到父类中定义的任何方法 需要调用 Method.setAcessible(true) 来关闭反射中的 Method 的访问权限检查,确保即便不满足访问条件,亦能在反射中成功访问 了解完通过反射来访问私有属性、方法的知识之后,让我们...
Kotlin Fragment 中初始化以及更新数据(仅测试) 之后在 Activity 中给 address 重新赋值,在 Fragment 中获取 address 属性,更新数据。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ivToolbarTitle.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(View v){Log.e("Activity-地址",...
Kotlin 可见性修饰符 public,private, protected,internal Kotlin的可见修饰符与Java类似,但是默认的可见性不一样,如果省略修饰符:Java默认包私有,Kotlin默认声明是public internal 只在模块内部可见。一个模块就是一组一起编译的kotlin 文件,这可能是一个intellij IDEA模块,一个Eclipse项目 一个Maven或 Gradle项目或者一...
A Protected Modifier in Kotlin: CANNOT be set on top-level declarations. Declarations that are protected in a class, can be accessed only in their subclasses. open class Pr{ protected val i = 0 } class Another : Pr{ fun iValue() : Int { return i } } Classes which are ...
在Kotlin中似乎没有一种方法可以复制这种行为。（Discussion here）最接近的方法是将构造函数标记为internal...
3. 解释var关键字在Kotlin中声明变量的方式 var关键字用于声明可变变量,即变量的值可以在声明后重新赋值。与之相对的是val关键字,用于声明不可变变量,即变量的值在初始化后不能改变。 4. 介绍AppBarConfiguration类及其用途 AppBarConfiguration是Android Jetpack Navigation库中的一个类,用于配置顶部应用栏(App Bar)...
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setContentView(R.layout.activity_main)valactualData ="Akash"// getPublicKey will call generateKey internally and return the public keyvalpublicKey = EncryptionUtils.getPublicKey()// base64 encoded publicKey, decodePublicKey will decode the valuevaldecodedPublicKey = EncryptionUtils.decodePublicKey(...
natGatewayAddressSet NAT gateway IP addresses. Type: Array of NatGatewayAddress objects natGatewayId The ID of the NAT gateway. Type: String requestId The ID of the request. Type: String Errors For information about the errors that are common to all actions, see Common client error cod...
统统public，或者统统package），而方案2中，读/写的权限可以不一样（比如get是public的，set是package...