小编ans*_*nha的帖子

我正在尝试从主列表中获取收藏夹列表中的收藏夹项目。当我单击主列表中的收藏夹图标时，收藏夹列表会更新，但是当我从收藏夹列表中删除任何收藏夹并尝试从主列表中添加更多收藏夹时，我收到错误索引超出范围例外

主要活动

import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.Toast;

import java.util.Arrays;
import java.util.List;

public class MainActivity extends AppCompatActivity implements RecyclerViewClickListener{
    RecyclerView simpleListView;
    static Context ctx;
    String diseaseList[];

    SharedPreference sharedPreference;

    DiseaseAdapter da;
    List<String> newDiseaseList;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ctx=this;

        sharedPreference = new SharedPreference();

        diseaseList= new String[]{"Abscess",
                "Allergies",
                "Amnesia",
                "Anemia",
                "Andropause",
                "Angina",
                "Weight Loss"};


        Arrays.sort(diseaseList);





        newDiseaseList = Arrays.asList(diseaseList);

        simpleListView= (RecyclerView)findViewById(R.id.simpleListView);
        LinearLayoutManager …