我的视图分页器中有11个片段，10个片段有网络呼叫。应用程序正在运行，数据正在加载。但是在刷片段时，它已经卡住了。我可以让我的滑动更顺畅吗？这是我的片段代码。
public class Entertainment extends Fragment implements URL,Constants {
Button malayalam_btn, tamil_btn, hindi_btn, english_btn;
private GridLayoutManager malayalam, tamil, hindi, english;
RecyclerView malayalam_rv, tamil_rv, hindi_rv, english_rv;
TextView malayalam_tv, tamil_tv, hindi_tv, english_tv;
MalayalamAdapter malayalamAdapter;
TamilAdapter tamilAdapter;
HindiAdapter hindiAdapter;
EnglishAdapter englishAdapter;
public static ArrayList<EntertainmentModel> malayalam_list;
public static ArrayList<EntertainmentModel> tamil_list;
public static ArrayList<EntertainmentModel> hindi_list;
public static ArrayList<EntertainmentModel> english_list;
public static ArrayList<EntertainmentModel> entertainment_modal_list;
ProgressBar progressBar;
FetchData fetchData;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(getActivity()));
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_entertainment, null);
Log.i("riyas", "oncreateview called in Entertainment");
progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
progressBar.setVisibility(View.VISIBLE);
String font_path_English = "fonts/DIN Alternate Bold.ttf";
Typeface fontEnglish = Typeface.createFromAsset(getActivity().getAssets(), font_path_English);
myClickHandler();
malayalam_tv = (TextView) view.findViewById(R.id.malayalam_tv);
tamil_tv = (TextView) view.findViewById(R.id.tamil_tv);
hindi_tv = (TextView) view.findViewById(R.id.hindi_tv);
english_tv = (TextView) view.findViewById(R.id.english_tv);
malayalam_btn=(Button)view.findViewById(R.id.button6);
malayalam_btn.setVisibility(GONE);
tamil_btn=(Button)view.findViewById(R.id.button7);
tamil_btn.setVisibility(GONE);
hindi_btn=(Button)view.findViewById(R.id.button8);
hindi_btn.setVisibility(GONE);
english_btn=(Button)view.findViewById(R.id.button9);
english_btn.setVisibility(GONE);
malayalam_tv.setTypeface(fontEnglish);
tamil_tv.setTypeface(fontEnglish);
hindi_tv.setTypeface(fontEnglish);
english_tv.setTypeface(fontEnglish);
malayalam_rv = (RecyclerView) view.findViewById(R.id.malayalam);
malayalam = new GridLayoutManager(getActivity(), 2);
malayalam_rv.setHasFixedSize(true);
malayalam_rv.setLayoutManager(malayalam);
tamil_rv = (RecyclerView) view.findViewById(R.id.tamil);
tamil = new GridLayoutManager(getActivity(), 1);
tamil_rv.setHasFixedSize(true);
tamil_rv.setLayoutManager(tamil);
hindi_rv = (RecyclerView) view.findViewById(R.id.hindi);
hindi = new GridLayoutManager(getActivity(), 2);
hindi_rv.setHasFixedSize(true);
hindi_rv.setLayoutManager(hindi);
english_rv = (RecyclerView) view.findViewById(R.id.english);
english = new GridLayoutManager(getActivity(), 1);
english_rv.setHasFixedSize(true);
english_rv.setLayoutManager(english);
return view;
}
public void myClickHandler() {
String Url = ENTERTAINMENT_API;
ConnectivityManager connMgr = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected()) {
new Network().execute(Url);
} else {
Toast.makeText(getActivity(), "No Network connection Available", Toast.LENGTH_SHORT).show();
}
}
private class Network extends AsyncTask<String, Void, Void> implements NetworkOperation {
@Override
protected Void doInBackground(String... params) {
fetchData = new FetchData(this, getActivity(), params[0]);
fetchData.fromServer();
return null;
}
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
progressBar.setVisibility(View.VISIBLE);
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
progressBar.setVisibility(View.GONE);
}
@Override
protected void onPreExecute() {
super.onPreExecute();
progressBar.setVisibility(View.VISIBLE);
}
@Override
public void JsonParse(JSONObject jsonObject) {
malayalam_list = new ArrayList<EntertainmentModel>();
tamil_list = new ArrayList<EntertainmentModel>();
hindi_list = new ArrayList<EntertainmentModel>();
english_list = new ArrayList<EntertainmentModel>();
try {
JSONArray section = jsonObject.getJSONArray("sections");
for (int i = 0; i < section.length(); i++) {
JSONObject subitem = section.getJSONObject(i);
String name = subitem.getString(HOME_NAME);
String cat_id = subitem.getString(CAT_ID);
String style = subitem.getString(STYLE);
String seeMore = subitem.getString(HOME_SEEMORE);
String lm = subitem.getString("lm");
String identifier = subitem.getString("identifier");
JSONArray News = subitem.getJSONArray(HOME_NEWS);
for (int j = 0; j < News.length(); j++) {
entertainment_modal_list = new ArrayList<EntertainmentModel>();
EntertainmentModel ent_modalobj = null;
JSONObject newsObject = News.getJSONObject(j);
String ID = newsObject.getString(HOME_ID);
String post_title = newsObject.getString(HOME_POST_TITLE);
String post_date = newsObject.getString(HOME_POST_DATE);
String post_time = newsObject.getString(HOME_POST_TIME);
String is_video = newsObject.getString(ISVIDEO);
String medium = newsObject.getString(HOME_MEDIUM);
String large = newsObject.getString(HOME_LARGE);
ent_modalobj = new EntertainmentModel(name, cat_id, style, seeMore, lm, identifier, ID, post_title, post_date, is_video, post_time, medium, large);
entertainment_modal_list.add(ent_modalobj);
for (int m = 0; m < entertainment_modal_list.size(); m++) {
String news_type = entertainment_modal_list.get(m).getName();
switch (news_type) {
case MALAYALAM:
malayalam_list.add(ent_modalobj);
malayalam_tv.setText(malayalam_list.get(m).getName().toUpperCase());
malayalam_tv.setBackgroundResource(R.color.violet);
final String id=malayalam_list.get(m).getCat_id().toString();
malayalam_btn.setVisibility(View.VISIBLE);
malayalam_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), More.class);
intent.putExtra("cat", id);
intent.putExtra("title", "MALAYALAM");
getContext().startActivity(intent);
}
});
break;
case TAMIL:
tamil_list.add(ent_modalobj);
tamil_tv.setText(tamil_list.get(m).getName().toUpperCase());
tamil_tv.setBackgroundResource(R.color.violet);
final String idt=tamil_list.get(m).getCat_id().toString();
tamil_btn.setVisibility(View.VISIBLE);
tamil_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), More.class);
intent.putExtra("cat", idt);
intent.putExtra("title", "TAMIL");
getContext().startActivity(intent);
}
});
break;
case HINDI:
hindi_list.add(ent_modalobj);
hindi_tv.setText(hindi_list.get(m).getName().toUpperCase());
hindi_tv.setBackgroundResource(R.color.violet);
final String idh=hindi_list.get(m).getCat_id().toString();
hindi_btn.setVisibility(View.VISIBLE);
hindi_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), More.class);
intent.putExtra("cat", idh);
intent.putExtra("title", "HINDI");
getContext().startActivity(intent);
}
});
break;
case ENGLISH:
english_list.add(ent_modalobj);
english_tv.setText(english_list.get(m).getName().toUpperCase());
english_tv.setBackgroundResource(R.color.violet);
final String ide=english_list.get(m).getCat_id().toString();
english_btn.setVisibility(View.VISIBLE);
english_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), More.class);
intent.putExtra("cat", ide);
intent.putExtra("title", "ENGLISH");
getContext().startActivity(intent);
}
});
break;
}
}
}
}
} catch (JSONException | OutOfMemoryError e) {
e.printStackTrace();
}
malayalamAdapter = new MalayalamAdapter(getActivity(), malayalam_list);
malayalam_rv.setAdapter(malayalamAdapter);
tamilAdapter = new TamilAdapter(getActivity(), tamil_list);
tamil_rv.setAdapter(tamilAdapter);
hindiAdapter = new HindiAdapter(getActivity(), hindi_list);
hindi_rv.setAdapter(hindiAdapter);
englishAdapter = new EnglishAdapter(getActivity(), english_list);
english_rv.setAdapter(englishAdapter);
progressBar.setVisibility(View.GONE);
}
}
我尝试了以下内容：
viewPager.setOffscreenPageLimit(4);
2。Log.i("oncreate is called or not")