三、Using View Binding in Fragments inflate methos 1classDemoInflateFragment : Fragment() {23privatevar fragmentDemoBinding: FragmentDemoBinding =null45//注意是在onCreateView中inflate内容,所以AsyncLayoutInflater不适应Fragment6override fun onCreateView(inflater: LayoutInflater, container: ViewGroup, savedIns...
=null// 构造方法中传入了,resId,默认的onCreateView中会inflate内容,此时只需要bind即可overridefunonViewCreated(view:View,savedInstanceState:Bundle?){super.onViewCreated(view,savedInstanceState)valbinding=FragmentDemoBinding.bind(view)fragmentDemoBinding=binding binding.myButton.setOnClickListener{// Button Tapp...
上述两个布局文件会分别生成ActivityMainBinding与LayoutIncludeBinding两个Java类,并且ActivityMainBinding类中通过组合依赖了LayoutIncludeBinding类。因此,使用方式如下: 如果layout_include.xml文件位于子模块,经实践与以上代码的使用方式并无任何差异,但一定要在子模块中开启ViewBinding才行。 4.ViewBinding在Fragment中的使用...
ViewBindingFragmentresides in theUtilitiesmodule that we examinedin a previous chapter. It handles inflating a layout using a view binding for you, as well as setting that view binding’s property tonullinonDestroyView(): packagecom.commonsware.jetpack.sampler.utilimportandroid.os.Bundleimportandroid....
getRoot()); // Fragment示例 @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { MyFragmentBinding binding = MyFragmentBinding.inflate(inflater, container, false); return binding.getRoot(); } 2.3、访问并操作视图 一旦有了Binding对象,可以直接...
privateFragmentMineBindingbinding;@OverridepublicViewonCreateView(LayoutInflaterinflater,ViewGroupcontainer,BundlesavedInstanceState){binding=FragmentMineBinding.inflate(inflater,container,false);Viewview=binding.getRoot();returnview;}@OverridepublicvoidonDestroy(){super.onDestroy();binding=null;} ...
4. ThrowsIllegalStateException: "Attempt to get view binding when fragment view is destroyed" when accessing delegate property inonDestroyView Since version1.0.0-alpha03 - Feb 16, 2021, we cannot access ViewBinding delegate property inonDestroyView(this causes many problems). Recommended way is pa...
binding.myButton.setOnClickListener { // Button Tapped } binding.myTextView.text = “View Binding is the best!” 三、Using View Binding in Fragments inflate methos class DemoInflateFragment : Fragment() { 代码语言:javascript 复制 privatevarfragmentDemoBinding:FragmentDemoBinding?=null// 注意是在...
Android View Binding使用详解 View Binding(视图绑定) 视图绑定是一项功能,可让你更轻松地编写与视图交互的代码。在模块中启用视图绑定后,它会为该模块中存在的每个 XML 布局文件生成一个 绑定类。绑定类的实例包含对在相应布局中具有 ID 的所有视图的直接引用。
private val viewBinding: ProfileBinding by viewBinding() override fun onDestroyView() { super.onDestroyView() // Clear data in views from viewBinding // ViewBinding inside viewBinding is null } } 但是,结果是,我得到的在委托属性内对ViewBinding的引用为null。原因是Fragment的ViewLifecycleOwner通知更新li...