[英]How to change the column span in grid layout on orientation change in Android Studio?
我有一個 2 列網格布局,但是當方向更改為橫向時,我想將其更改為 3 列。 我該怎么做?
這是我的 OnCreate 方法,我在其中設置了 RecyclerView 和 Grid。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
birdList = new ArrayList<>();
getJSONfromFile();
// Recycler View
mainRecyclerView = findViewById(R.id.main_recycler_view);
mainRecyclerView.setLayoutManager(new GridLayoutManager(this, 2));
// Set Adapter
BirdAdapter adapter = new BirdAdapter(this, birdList);
mainRecyclerView.setAdapter(adapter);
}
嘗試在您的 onCreateView 方法中處理此問題,因為每次發生方向更改時都會調用它:
if(getActivity().getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT){
mainRecyclerView.setLayoutManager(new GridLayoutManager(this, 2));
}
else{
mainRecyclerView.setLayoutManager(new GridLayoutManager(this, 3));
}
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