Android Room DBを使って家計簿アプリを作成しています。
下記Fragmentでは、RadioButtonでradio_store_nameを選択した際に、
swith文で店名、日付1(from)、日付2(to)の3つの引数を受け取り、
上記3点の引数を元にselect検索を行う仕様にしたいと考えています。
上記を一通り揃え、ボタンをタップすることで、検索が走るのですが、
下記の様なNullPointerエラーが発生してしまいます。
本来は、正常に検索が走れば145行目以降に記載したlog.dがコンソール上に検索結果が表示される想定でした。
下記エラー内容には実際にエラーが出ている行が表示されない為、
問題箇所の特定に苦慮しております。
NullPointerということだったので、143行目に下記if文を追加してみたのですが、
エラーは解消されませんでした。
if (radioStoreNameLists != null)
お手数ではございますが、解決策のヒントを頂ける方がいらっしゃいましたら、
ヒントを頂けますと幸いです。
よろしくお願いいたします。
エラー内容
2022-04-25 20:18:48.667 4899-4987/? E/A: Processing of GCM event failed. java.lang.NullPointerException: No binary data in push message at com.google.common.base.bb.a(PG:1) at com.google.android.apps.gsa.staticplugins.ba.k.a(PG:6) at dagger.b.a.h.apply(PG:2) at com.google.common.util.concurrent.h.e(PG:2) at com.google.common.util.concurrent.j.run(PG:9) at com.google.cd.h.a.q.run(PG:3) at com.google.android.libraries.i.ae.run(PG:1) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at com.google.android.libraries.i.k.run(PG:2) at com.google.android.libraries.i.p.run(PG:4) at java.lang.Thread.run(Thread.java:919)
DateFragment.java
package com.myproject.offlinebudgettrackerappproject; import android.app.DatePickerDialog; import android.icu.util.Calendar; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.TextView; import androidx.fragment.app.Fragment; import androidx.lifecycle.ViewModelProvider; import com.myproject.offlinebudgettrackerappproject.model.BudgetTracker; import com.myproject.offlinebudgettrackerappproject.model.BudgetTrackerViewModel; import java.util.List; /** * A simple {@link Fragment} subclass. * Use the {@link DateFragment#newInstance} factory method to * create an instance of this fragment. */ public class DateFragment extends Fragment { BudgetTrackerViewModel budgetTrackerViewModel; RadioGroup radioGroup; RadioButton radioButton; // TODO: Rename parameter arguments, choose names that match // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER private static final String ARG_PARAM1 = "param1"; private static final String ARG_PARAM2 = "param2"; // TODO: Rename and change types of parameters private String mParam1; private String mParam2; public DateFragment() { // Required empty public constructor } /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * * @param param1 Parameter 1. * @param param2 Parameter 2. * @return A new instance of fragment DateFragment. */ // TODO: Rename and change types and number of parameters public static DateFragment newInstance(String param1, String param2) { DateFragment fragment = new DateFragment(); Bundle args = new Bundle(); args.putString(ARG_PARAM1, param1); args.putString(ARG_PARAM2, param2); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mParam1 = getArguments().getString(ARG_PARAM1); mParam2 = getArguments().getString(ARG_PARAM2); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_date, container, false); // EditText enterDateForQuery1 = (EditText) view.findViewById(R.id.date_search_txt1); // EditText enterDateForQuery2 = (EditText) view.findViewById(R.id.date_search_txt2); // Button dateSearchQueryBtn = (Button) view.findViewById(R.id.btn_date_search); radioGroup = (RadioGroup) view.findViewById(R.id.radio_group); EditText radioSearchName = (EditText) view.findViewById(R.id.radio_search_name); EditText radioSearchDateFrom = (EditText) view.findViewById(R.id.radio_search_date_from_txt); EditText radioSearchDateTo = (EditText) view.findViewById(R.id.radio_search_date_to_txt); Button radioSearchBtn = (Button) view.findViewById(R.id.radio_search_btn); TextView textView = (TextView) view.findViewById(R.id.radio_search_calc_result_txt); Calendar calendar = Calendar.getInstance(); final int year = calendar.get(Calendar.YEAR); final int month = calendar.get(Calendar.MONTH); final int day = calendar.get(Calendar.DAY_OF_MONTH); radioSearchDateFrom.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { DatePickerDialog datePickerDialog = new DatePickerDialog( getActivity(), new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker datePicker, int year, int month, int dayOfMonth) { month = month + 1; String date = year + "-" + month + "-" + dayOfMonth; radioSearchDateFrom.setText(date); } }, year, month, day); datePickerDialog.show(); } }); radioSearchDateTo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { DatePickerDialog datePickerDialog = new DatePickerDialog( getActivity(), new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker datePicker, int year, int month, int dayOfMonth) { month = month + 1; String date = year + "-" + month + "-" + dayOfMonth; radioSearchDateTo.setText(date); } }, year, month, day); datePickerDialog.show(); } }); radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup radioGroup, int checkedId) { switch (checkedId) { case R.id.radio_store_name: Log.d("TAG", "onCheckedChanged: " + checkedId); String storeName = radioSearchName.getText().toString(); String date1 = radioSearchDateFrom.getText().toString(); String date2 = radioSearchDateTo.getText().toString(); budgetTrackerViewModel = new ViewModelProvider(requireActivity()).get(BudgetTrackerViewModel.class); budgetTracker = new BudgetTracker(storeName, date1, date2); radioSearchBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { List<BudgetTracker> radioStoreNameLists = budgetTrackerViewModel.getRadioStoreNameLists(storeName, date1, date2); if (radioStoreNameLists != null) { for (BudgetTracker budgetTrackerList : radioStoreNameLists) { Log.d("TAG", "onClick: " + budgetTrackerList.getId()); Log.d("TAG", "onClick: " + budgetTrackerList.getDate().toString()); Log.d("TAG", "onClick: " + budgetTrackerList.getStoreName().toString()); Log.d("TAG", "onClick: " + budgetTrackerList.getProductName().toString()); Log.d("TAG", "onClick: " + budgetTrackerList.getProductType().toString()); Log.d("TAG", "onClick: " + budgetTrackerList.getPrice()); } } } }); break; case R.id.radio_product_name: Log.d("TAG", "onCheckedChanged: " + checkedId); break; } } }); return view; } public void checkButton(View v) { int radioId = radioGroup.getCheckedRadioButtonId(); radioButton = (RadioButton) v.findViewById(radioId); // Toast.makeText(this, "Selected Radio Button: " + radioButton.getText(), Toast.LENGTH_SHORT).show(); } }
回答1件