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public class RuanjianManagerActivity extends Activity {    private TextView tv_neicun;    private TextView tv_sdcard;    private LinearLayout lt;    private ListView lst;    private List
   
     infos;//所有应用程序的集合    private List
    
      useInfos;//用户应用程序的集合    private List
     
       systemuseInfos;//系统应用程序的集合    private TextView tv_issystem;    private PopupWindow pop;    @Override    public void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_ruanjianmanager);        tv_neicun = findViewById(R.id.tv_neicun);        tv_sdcard = findViewById(R.id.tv_sdcard);        tv_issystem = findViewById(R.id.tv_tititleissystem);        long sdSize = getAvailabelSpace(Environment.getExternalStorageDirectory().getAbsolutePath());        long romSize = getAvailabelSpace(Environment.getDataDirectory().getAbsolutePath());        tv_sdcard.setText("SD卡的可用空间：" + sdSize);        tv_neicun.setText("可用空间：" + romSize);        lt = findViewById(R.id.ruanjianmangerLoding);        lst = findViewById(R.id.lst_ruanjianmanegr);        lt.setVisibility(View.VISIBLE);//设置转圈可见        new Thread() {            @Override            public void run() {                super.run();                infos = RuanjianManagerInfoProvide.getInfos(RuanjianManagerActivity.this);                useInfos = new ArrayList
      
       ();                systemuseInfos = new ArrayList
       
        ();                for (RuanjianmanagerInfo info : infos) {                    if (info.isUserApp()) {                        useInfos.add(info);                    } else {                        systemuseInfos.add(info);                    }                }                //加载listview的数据适配器---回到主线程刷新                runOnUiThread(new Runnable() {                    @Override                    public void run() {                        lst.setAdapter(new RuanjianManagerAdpt());                        lt.setVisibility(View.INVISIBLE);//设置转圈不可见                    }                });            }        }.start();        //滚动listview的监听        lst.setOnScrollListener(new AbsListView.OnScrollListener() {            @Override            public void onScrollStateChanged(AbsListView absListView, int i) {            }//正在滚动            @Override            public void onScroll(AbsListView absListView, int i, int i1, int i2) {                if(pop!=null&&pop.isShowing()){//吧旧的弹出窗体关闭掉                    pop.dismiss();                    pop=null;                }                //i是第一个可见条目在listview集合中的位置                if (useInfos != null && systemuseInfos != null) {                    if (i >useInfos.size()) {                        tv_issystem.setText("系统程序" + systemuseInfos.size());                    } else {                        tv_issystem.setText("用户程序" + useInfos.size());                    }                }            }        });     //listview的点击事件         lst.setOnItemClickListener(new AdapterView.OnItemClickListener() {             RuanjianmanagerInfo info;             @SuppressLint("ResourceAsColor")             @Override             public void onItemClick(AdapterView
         adapterView, View view, int i, long l) {                 if(i==0){                     return;                 }else if(i==useInfos.size()+1){                     return;                 }else if(i
       
      
     
    
   

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