//佈局

<fragment
android:id="@+id/frag_left"
android:name="baidumaplocation.bawei.com.chuanzhirecycle.Fragment1"
android:layout_width="wrap_content"
android:layout_height="match_parent"></fragment>

 <fragment
android:id="@+id/grag_rigt"
android:layout_weight="1"
android:name="baidumaplocation.bawei.com.chuanzhirecycle.Fragment2"
 
android:layout_width="0dp"
android:layout_height="match_parent"></fragment>

 private OnTrans trans;

itemView.setOnClickListener(new 
 
View.OnClickListener() {
    @Override
public void onClick(View v) {
        List<Bean.ResultBean.BrandsBean.ProductsBean> products = brands.get(getLayoutPosition()).getProducts();
        trans.trans(products);
    }
});



//在fragment2中呼叫介面拿到資料進行適配

Fragment1 fragmentleft = (Fragment1) getFragmentManager().findFragmentById(R.id.frag_left
 
);
  fragmentleft.setOnTransValues(new Fragment1.OnTrans() {
      @Override
public void trans(List<Bean.ResultBean.BrandsBean.ProductsBean> banlist) {
          MyAdapter myAdapter=new MyAdapter(banlist);
          fra_recy2.setAdapter(myAdapter);
      }
  });