庐山站下150的小巷子，庐山小吃街_暴戾恣睢

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庐山站下150的小巷子，庐山小吃街

2025-02-22 23:16:04

来源：

深圳新闻网

作者：

戈玮明

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LayoutManager的结构结构和使用要领

LayoutManager是RecyclerView的重要组成部分，它卖力RecyclerView中子视图的结构排列。合理选择并配置LayoutManager，可以实现种种富厚多样的 RecyclerView 结构效果。

RecyclerView的结构结构主要由LayoutManager来决定。最常用的LayoutManager类型包括： ??????? ????? ??? ??? ? ??? ??? ???? ???? ?????.Unavailable???.

RecyclerView LayoutManager? ?? ??

layoutManager? ???? ??? ??? ????.

1. LinearLayoutManager

LinearLayoutManager? RecyclerView? ??? ?? ?? ?? ??? ?? ?? ??? ? ??? ????.

  RecyclerView recyclerView = findViewById(R.id.MyRecyclerView);
  LinearLayoutManager layoutManager = new LinearLayoutManager(this);
  recyclerView.setLayoutManager(layoutManager);

2. GridLayoutManager

GridLayoutManager? ???? ??? ??? ????? ??? ? ????.

  GridLayoutManager layoutManager = new GridLayoutManager(this, 2);
  recyclerView.setLayoutManager(layoutManager);

3. StaggeredGridLayoutManager

StaggeredGridLayoutManager? ???? staggered grid (???) ??? ????? ??? ? ????.

  StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(2, 
  StaggeredGridLayoutManager.VERTICAL);
  recyclerView.setLayoutManager(layoutLayoutManager);

4. Custom LayoutManager

??? ?? ?? Custom LayoutManager? ???? ??? ?? ????.

  public class MyCustomLayoutManager extends RecyclerView.LayoutManager {
      // ??? ????邏輯? ?????.
  }

layoutManager? ??? ??? RecyclerView? Adapter? ???? ???? ??? ? ????.

layoutManager? ??? ??? ?? RecyclerView? ????效果? ?? ???? ??? ? ????.

layoutManager? ??RecyclerView? ???? ????? ????? ??? ? ????.

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