当我在数据库中搜索用户时,它将填充RecyclerView,但是当我进行另一次搜索却找不到该用户时,我希望它也删除RecyclerView内容,但旧用户的内容仍保留在RecyclerView中直到我搜索现有用户,然后它将更改为新用户的内容。

@OnClick(R.id.btn_search_user)
    public void onSearchBtnClicked(View view) {
        Log.e(LOG_TAG, "Search button clicked");
        if (!TextUtils.isEmpty(etSearchUser.getText())) {
            userNameSearch = etSearchUser.getText().toString();

            if (!isNetworkAvailable()) {
                Toast.makeText(this, "No internet, searching offline", Toast.LENGTH_SHORT).show();
                mOwner = Owner.getByUsername(userNameSearch);
                if(mOwner != null) {
                    searchUserByUserName(userNameSearch);
                } else {
                    // I want the RecyclerView to be empty at this point.
                    tvGitHubUser.setText("was not found offline");
                }
            } else {
                loadRepository(userNameSearch);
                Log.e(LOG_TAG, "Owner is empty, searching online");
            }
        }
    }


initRecycleView()

mGithubRecyclerView = (RecyclerView) findViewById(R.id.github_repository_recyclerview);
        RecyclerView.LayoutManager mGithubLayoutManager = new LinearLayoutManager(getApplicationContext());
        mGithubRecyclerView.setLayoutManager(mGithubLayoutManager);
        mGithubRecyclerView.setHasFixedSize(true);

最佳答案

只需致电recyclerView.setAdapter(null);

如果可以向我显示您的适配器代码,则可以提供更好的方法。

10-07 19:20
查看更多