作業中なう

app/src/main/java/com/example/oplogy/SetUpActivity.java

@@ -2,10 +2,11 @@ package com.example.oplogy;
 
 import static android.content.ContentValues.TAG;
 
-
 import android.annotation.SuppressLint;
+import android.app.AlertDialog;
 import android.app.DatePickerDialog;
 import android.app.TimePickerDialog;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Paint;
@@ -44,6 +45,16 @@ public class SetUpActivity extends FragmentActivity
     String startBreakTime;
     String endBreakTime;
     int totalStudent;
+    String stringYear;
+    String stringMonth;
+    String stringDayOfMonth;
+    String stringHourOfDay;
+    String stringMinute;
+    Button buttonFirstDay;
+    Button buttonSecondDay;
+    Button buttonThirdDay;
+    Button buttonStartTimeButton;
+    Button buttonEndTimeButton;
     private TextView textViewTeacherName;
     private TextView textViewStartPoint;
     private TextView textViewStartTime;
@@ -54,22 +65,6 @@ public class SetUpActivity extends FragmentActivity
     private int intIsDateSelected;
     private int intIsStartTimeSelected;
 
-    String stringYear;
-    String stringMonth;
-    String stringDayOfMonth;
-
-
-    String stringHourOfDay;
-    String stringMinute;
-
-    Button buttonFirstDay;
-    Button buttonSecondDay;
-    Button buttonThirdDay;
-    Button buttonStartTimeButton;
-    Button buttonEndTimeButton;
-
-
-
     @SuppressLint("MissingInflatedId")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -110,6 +105,9 @@ public class SetUpActivity extends FragmentActivity
             startActivity(intent);
         });
 
+        //SetUpTableに情報があった場合、それをeditTextに表示するメソッド
+        showLoadDataYesNoDialog();
+
         setUp.setOnClickListener(view -> {
 
             teacherName = textViewTeacherName.getText().toString(); //各変数に値を挿入
@@ -350,4 +348,48 @@ public class SetUpActivity extends FragmentActivity
         newFragment.show(getSupportFragmentManager(), "timePicker");
     }
 
+    private void showLoadDataYesNoDialog() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle("データの読み込み");
+        builder.setMessage("SetUpテーブルからデータを読み込みますか？");
+
+        builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                loadSetupData();
+                dialog.dismiss();
             }
+        });
+        builder.setNegativeButton("No", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.dismiss();
+            }
+        });
+
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+    private void loadSetupData() {
+        ExecutorService executor = Executors.newSingleThreadExecutor();
+        executor.execute(() -> {
+            AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "SetUpTable").build();
+            SetUpTableDao setUpTableDao = db.setUpTableDao();
+            String teacherName = setUpTableDao.getTeacherName();
+            String startPoint = setUpTableDao.getStartPoint();
+            int totalStudent = setUpTableDao.getTotalStudent();
+
+            runOnUiThread(() -> {
+                textViewTeacherName.setText(teacherName);
+                textViewStartPoint.setText(startPoint);
+                textViewTotalStudent.setText(String.valueOf(totalStudent));
+            });
+
+
+        });
+    }
+
+}
+
+//TODO: 教師名、開始地点、生徒総数を取得し表示する

app/src/main/java/com/example/oplogy/SetUpTableDao.java

@@ -41,6 +41,7 @@ public interface SetUpTableDao {
     //教師名の取得
     @Query("SELECT teacherName FROM SetUpTable")
     String getTeacherName();
+
     @Query("SELECT intervalTime FROM SetUpTable")
     String getIntervalTime();