在android的网格视图下添加按钮

<GridView
    android:id="@+id/gridView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:numColumns="3" />

<Button
    android:id="@+id/button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="添加按钮" />

GridView gridView = findViewById(R.id.gridView);
Button button = findViewById(R.id.button);

button.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        // 在点击按钮时执行的操作
        // 可以在这里添加新的按钮到GridView中
    }
});

public class ButtonAdapter extends BaseAdapter {
    private Context context;
    private List<String> buttonList;

    public ButtonAdapter(Context context, List<String> buttonList) {
        this.context = context;
        this.buttonList = buttonList;
    }

    @Override
    public int getCount() {
        return buttonList.size();
    }

    @Override
    public Object getItem(int position) {
        return buttonList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Button button;
        if (convertView == null) {
            button = new Button(context);
            button.setLayoutParams(new GridView.LayoutParams(GridView.LayoutParams.MATCH_PARENT, GridView.LayoutParams.WRAP_CONTENT));
            button.setPadding(8, 8, 8, 8);
        } else {
            button = (Button) convertView;
        }

        button.setText(buttonList.get(position));
        return button;
    }
}

button.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        List<String> buttonList = new ArrayList<>();
        buttonList.add("按钮1");
        buttonList.add("按钮2");
        buttonList.add("按钮3");

        ButtonAdapter adapter = new ButtonAdapter(MainActivity.this, buttonList);
        gridView.setAdapter(adapter);
    }
});