Android supports common methods and examples in the framework of the library document file

Android supports the library document file framework provides many common methods and examples, which is convenient for developers to check and reference when using support libraries.This article will introduce some common methods and examples, and provide corresponding Java code examples. 1. Method: In the document, the commonly used methods include obtaining the version number, the creation and initialization object, and the setting monitor. Example: Get the application version number public String getVersionName(Context context) throws PackageManager.NameNotFoundException { PackageManager packageManager = context.getPackageManager(); PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0); return packageInfo.versionName; } 2. Example: In the document, there are many examples, including the creation and setting layout, definition and registered broadcast receiver, and using animation effects. Example: Use the animation effect implementation button to click the translation effect of the event // Definition the flat moving animation TranslateAnimation animation = new TranslateAnimation(0, 100, 0, 0); animation.setDuration(1000); animation.setFillAfter(true); // Set the button to click the event Button button = findViewById(R.id.button); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Apply the animation effect when clicking on the button v.startAnimation(animation); } }); 3. Method and example correlation: In the document, the commonly used methods and examples will be associated with each other to demonstrate the use of the method by example. Example: Use RecyclerView to implement list display // Create a layout manager LayoutManager layoutManager = new LinearLayoutManager(this); // Set the layout manager of RecyclerView RecyclerView recyclerView = findViewById(R.id.recyclerView); recyclerView.setLayoutManager(layoutManager); // Create a suitable accessories and set the data source MyAdapter adapter = new MyAdapter(dataList); recyclerView.setAdapter(adapter); In this example, the layout manager is a commonly used method, and RecyclerView is a commonly used class.Through examples, you can intuitively understand the role of the method and how to use it. Summarize Android supports the library document file framework provides rich methods and related examples for developers' reference and use.This article uses common methods and examples as an example to introduce the content in the Android supporting library document file framework, and provide relevant Java code examples.In the actual development process, developers can check and use the support library according to specific needs and documents.