Android 查看=DecorView@f4c156[]未连接到progressBar上的窗口管理器。解除（） 如果（！正在运行） { 运行=真； 布尔连接=checkNet（）； 如果（已连接） { progressDialog=新建progressDialog（getActivity（））； progressDialog.setCancelable（假）； progressDialog.setMessage（“Swalpa taalme..”+ “\n”+ "ಸ್ವಲ್ಪ ತಾಳ್ಮೆ"); progressDialog.show（）；//progressDialog final JsonObjectRequest jsObjRequest=新的JsonObjectRequest（Request.Method.GET，URL_DATA，null，new Response.Listener（））{ @凌驾 公共void onResponse（JSONObject响应）{ 试一试{ JSONArray a=response.getJSONArray（“英雄”）； 对于（inti=0；i

Try

if(!running)
        {
            running=true;
            boolean connected=checkNet();
            if(connected)
            {
                progressDialog = new ProgressDialog(getActivity());
                progressDialog.setCancelable(false);
                progressDialog.setMessage("Swalpa taalme.." +
                        "\n" +
                        "ಸ್ವಲ್ಪ ತಾಳ್ಮೆ");

                progressDialog.show(); //ProgressDialog

                final JsonObjectRequest jsObjRequest = new JsonObjectRequest(Request.Method.GET, URL_DATA,null, new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            JSONArray a=response.getJSONArray("heroes");
                            for(int i=0;i<a.length();i++)
                            {
                                JSONObject obj=a.getJSONObject(i);
                                ListItem m = new ListItem();
                                m.setHead(obj.getString("name"));
                                m.setDesc(obj.getString("about"));
                                m.setImageUrl(obj.getString("image"));
                                m.setTrailer(obj.getString("trailer"));
                                listItems.add(m);
                                adapter = new MyNewAdapter(activity,listItems);
                                horizontalInfiniteCycleViewPager.setAdapter(adapter);

                            }
                            adapter.notifyDataSetChanged();
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                        progressDialog.dismiss(); //Getting error here
                        running=false;

                    }
                }, new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        progressDialog.dismiss();
                        Toast.makeText(getActivity().getApplicationContext(),"Sorry, something went wrong",Toast.LENGTH_LONG);
                        running=false;
                    }
                });
                queue.add(jsObjRequest);
            }
            else running=false;
        } 

progressDialog = new ProgressDialog(getContext());