質問編集履歴
1
レイアウトファイルの追記・補足の追記
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File without changes
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@@ -4,6 +4,7 @@
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4
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繰り返し表示したいです。
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ただ、「←ここが上手くいかない」のところが上手くいきません。
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7
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（DailyCalendarFragment.javaの56行目）
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ライフサイクルメソッドで、順序を付けているつもりなんですが、
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Timely_RecyclerView_Adapterの実行 → クエリの実行
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となってしまい、Timely_RecyclerView_Adapterへクエリの実行結果
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@@ -21,29 +22,8 @@
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21
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```DailyCalendarFragment.java
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package com.example.RecordTime;
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-
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～省略～
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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28
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import androidx.fragment.app.Fragment;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.room.Room;
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32
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-
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import android.util.Log;
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34
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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-
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import com.example.RecordTime.Room.Database;
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import com.example.RecordTime.Room.TimeTable_Dao;
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40
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import com.example.RecordTime.Room.TimeTable_RoomEntity;
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41
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-
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import java.util.List;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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-
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public class DailyCalendarFragment extends Fragment {
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public static List<TimeTable_RoomEntity> allTimeTable;
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@@ -109,20 +89,8 @@
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109
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```Timely_RecyclerView_Adapter.java
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package com.example.RecordTime;
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91
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import android.content.Context;
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-
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92
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+
～省略～
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView;
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-
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import com.example.RecordTime.Room.TimeTable_RoomEntity;
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-
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import java.util.List;
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-
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public class Timely_RecyclerView_Adapter extends RecyclerView.Adapter<Timely_RecyclerView_Adapter.ViewHolder> {
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@@ -166,6 +134,143 @@
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}
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// ============= viewHolder =============
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}
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```
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### レイアウト追記
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①今回メインとして扱うレイアウト
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```daily_calendar_fragment.xml
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<?xml version="1.0" encoding="utf-8"?>
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="300dp"
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android:layout_height="500dp"
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android:background="@drawable/border"
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tools:context=".DailyCalendarFragment">
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<androidx.recyclerview.widget.RecyclerView
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android:id="@+id/time_recycler_view_container"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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</FrameLayout>
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```
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②メインのフラグメント内のRecyclerViewのViewholder
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159
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```time_viewholder.xml
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<TextView
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android:id="@+id/time_view_holder"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:ems="10"
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android:text="@string/time_view_holder" />
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</LinearLayout>
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```
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※③今回のメインフラグメントを置くフラグメント
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```date_fragment.xml
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<?xml version="1.0" encoding="utf-8"?>
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<LinearLayout
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android:id="@+id/date"
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android:layout_width="match_parent"
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android:layout_height="25sp"
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android:layout_marginBottom="706dp"
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android:backgroundTint="@color/design_default_color_primary_dark"
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android:gravity="center"
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android:orientation="horizontal"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent">
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<TextView
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android:id="@+id/selected_month"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/fuu" />
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<TextView
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android:id="@+id/selected_date"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/selected_date" />
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</LinearLayout>
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<androidx.fragment.app.FragmentContainerView
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android:id="@+id/fragmentContainerView"
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android:name="com.example.RecordTime.DailyCalendarFragment"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/date" />
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</androidx.constraintlayout.widget.ConstraintLayout>
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```
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★★★引数自体は渡せたかと思いましたがエラーが出るパターン★★★
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エラー：No adapter attached; skipping layout
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```DailyCalendarFragment.java
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package com.example.RecordTime;
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～省略～
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public class DailyCalendarFragment extends Fragment {
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.daily_calendar_fragment, container, false);
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loadDB(view);
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return view;
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}
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public void loadDB(View view) {
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ExecutorService executor = Executors.newSingleThreadExecutor();
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executor.submit(new Runnable() {
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@Override
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public void run() {
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Database database = Room.databaseBuilder(getContext(), Database.class, "TimeTable").build();
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TimeTable_Dao dao = database.timeTable_dao();
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dao.insert(new TimeTable_RoomEntity("0番目のtitle"));
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dao.insert(new TimeTable_RoomEntity("1番目のtitle"));
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dao.insert(new TimeTable_RoomEntity("2番目のtitle"));
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List<TimeTable_RoomEntity> allTimeTable = dao.getAll();
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setRecyclerView(view, allTimeTable);
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}
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});
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}
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public void setRecyclerView(View view, List<TimeTable_RoomEntity> allTimeTable) {
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// RecyclerView を生成して各時間を生成
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RecyclerView recyclerView = view.findViewById(R.id.time_recycler_view_container);
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// ①recycleView に layoutManager をセット
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recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
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// ②Adapter を生成して RecyclerView にセット
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recyclerView.setAdapter(new Timely_RecyclerView_Adapter(getContext(), allTimeTable));
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}
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}
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```
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