Replace ActiveAndroid queries with raw SQLite queries

app/build.gradle

@@ -58,6 +58,7 @@ dependencies {
     compile 'org.apmem.tools:layouts:1.10@aar'
     compile 'com.opencsv:opencsv:3.7'
     compile 'com.michaelpardo:activeandroid:3.1.0-SNAPSHOT'
+    compile 'org.jetbrains:annotations-java5:15.0'
 
     compile 'com.jakewharton:butterknife:8.0.1'
     apt 'com.jakewharton:butterknife-compiler:8.0.1'

app/src/main/java/org/isoron/uhabits/HabitsApplication.java

@@ -19,18 +19,18 @@
 
 package org.isoron.uhabits;
 
-import android.app.Application;
+import android.app.*;
-import android.content.Context;
+import android.content.*;
-import android.support.annotation.Nullable;
+import android.support.annotation.*;
 
-import com.activeandroid.ActiveAndroid;
+import com.activeandroid.*;
 
-import org.isoron.uhabits.models.HabitList;
+import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.utils.DatabaseUtils;
+import org.isoron.uhabits.utils.*;
 
-import java.io.File;
+import java.io.*;
 
-import javax.inject.Inject;
+import javax.inject.*;
 
 /**
  * The Android application for Loop Habit Tracker.
@@ -92,7 +92,7 @@ public class HabitsApplication extends Application
         {
             if (context != null) context
                 .getClassLoader()
-                .loadClass("org.isoron.uhabits.unit.models.HabitTest");
+                .loadClass("org.isoron.uhabits.BaseAndroidTest");
             return true;
         }
         catch (final Exception e)

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteCheckmarkList.java

@@ -21,13 +21,14 @@ package org.isoron.uhabits.models.sqlite;
 
 import android.database.sqlite.*;
 import android.support.annotation.*;
+import android.support.annotation.Nullable;
 
 import com.activeandroid.*;
 import com.activeandroid.query.*;
 
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.models.sqlite.records.*;
-import org.isoron.uhabits.utils.*;
+import org.jetbrains.annotations.*;
 
 import java.util.*;
 
@@ -36,14 +37,23 @@ import java.util.*;
  */
 public class SQLiteCheckmarkList extends CheckmarkList
 {
+    @Nullable
+    private HabitRecord habitRecord;
+
+    @NonNull
+    private final SQLiteUtils<CheckmarkRecord> sqlite;
+
     public SQLiteCheckmarkList(Habit habit)
     {
         super(habit);
+        sqlite = new SQLiteUtils<>(CheckmarkRecord.class);
     }
 
     @Override
     public void add(List<Checkmark> checkmarks)
     {
+        check(habit.getId());
+
         String query =
             "insert into Checkmarks(habit, timestamp, value) values (?,?,?)";
 
@@ -69,16 +79,26 @@ public class SQLiteCheckmarkList extends CheckmarkList
         }
     }
 
+    @NonNull
     @Override
     public List<Checkmark> getByInterval(long fromTimestamp, long toTimestamp)
     {
+        check(habit.getId());
         computeAll();
 
-        List<CheckmarkRecord> records = select()
+        String query = "select habit, timestamp, value " +
-            .and("timestamp >= ?", fromTimestamp)
+                       "from checkmarks " +
-            .and("timestamp <= ?", toTimestamp)
+                       "where habit = ? and timestamp >= ? and timestamp <= ? " +
-            .execute();
+                       "order by timestamp desc";
 
+        String params[] = {
+            Long.toString(habit.getId()),
+            Long.toString(fromTimestamp),
+            Long.toString(toTimestamp)
+        };
+
+        List<CheckmarkRecord> records = sqlite.query(query, params);
+        for (CheckmarkRecord record : records) record.habit = habitRecord;
         return toCheckmarks(records);
     }
 
@@ -98,19 +118,31 @@ public class SQLiteCheckmarkList extends CheckmarkList
     @Nullable
     protected Checkmark getNewestComputed()
     {
-        CheckmarkRecord record = select().limit(1).executeSingle();
+        check(habit.getId());
+
+        String query = "select habit, timestamp, value " +
+                       "from checkmarks " +
+                       "where habit = ? " +
+                       "order by timestamp desc " +
+                       "limit 1";
+
+        String params[] = { Long.toString(habit.getId()) };
+
+        CheckmarkRecord record = sqlite.querySingle(query, params);
         if (record == null) return null;
+        record.habit = habitRecord;
         return record.toCheckmark();
     }
 
-    @NonNull
+    @Contract("null -> fail")
-    private From select()
+    private void check(Long id)
     {
-        return new Select()
+        if (id == null) throw new RuntimeException("habit is not saved");
-            .from(CheckmarkRecord.class)
+
-            .where("habit = ?", habit.getId())
+        if (habitRecord != null) return;
-            .and("timestamp <= ?", DateUtils.getStartOfToday())
+
-            .orderBy("timestamp desc");
+        habitRecord = HabitRecord.get(id);
+        if (habitRecord == null) throw new RuntimeException("habit not found");
     }
 
     @NonNull

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteHabitList.java

@@ -19,8 +19,10 @@
 
 package org.isoron.uhabits.models.sqlite;
 
+import android.database.sqlite.*;
 import android.support.annotation.*;
 
+import com.activeandroid.*;
 import com.activeandroid.query.*;
 
 import org.isoron.uhabits.models.*;
@@ -37,9 +39,13 @@ public class SQLiteHabitList extends HabitList
 
     private HashMap<Long, Habit> cache;
 
+    private final SQLiteUtils<HabitRecord> sqlite;
+
+
     private SQLiteHabitList()
     {
         cache = new HashMap<>();
+        sqlite = new SQLiteUtils<>(HabitRecord.class);
     }
 
     /**
@@ -77,13 +83,18 @@ public class SQLiteHabitList extends HabitList
     @Override
     public int countActive()
     {
-        return select().count();
+        SQLiteDatabase db = Cache.openDatabase();
+        SQLiteStatement st = db.compileStatement(
+            "select count(*) from habits where archived = 0");
+        return (int) st.simpleQueryForLong();
     }
 
     @Override
     public int countWithArchived()
     {
-        return selectWithArchived().count();
+        SQLiteDatabase db = Cache.openDatabase();
+        SQLiteStatement st = db.compileStatement("select count(*) from habits");
+        return (int) st.simpleQueryForLong();
     }
 
     @Override
@@ -91,8 +102,17 @@ public class SQLiteHabitList extends HabitList
     public List<Habit> getAll(boolean includeArchive)
     {
         List<HabitRecord> recordList;
-        if (includeArchive) recordList = selectWithArchived().execute();
+        if (includeArchive)
-        else recordList = select().execute();
+        {
+            String query = HabitRecord.SELECT + "order by position";
+            recordList = sqlite.query(query, null);
+        }
+        else
+        {
+            String query = HabitRecord.SELECT + "where archived = 0 " +
+                           "order by position";
+            recordList = sqlite.query(query, null);
+        }
 
         List<Habit> habits = new LinkedList<>();
         for (HabitRecord record : recordList)
@@ -127,10 +147,9 @@ public class SQLiteHabitList extends HabitList
     @Nullable
     public Habit getByPosition(int position)
     {
-        HabitRecord record = selectWithArchived()
+        String query = HabitRecord.SELECT + "where position = ? limit 1";
-            .where("position = ?", position)
+        String params[] = { Integer.toString(position) };
-            .executeSingle();
+        HabitRecord record = sqlite.querySingle(query, params);
-
         if (record != null) return getById(record.getId());
         return null;
     }
@@ -222,18 +241,4 @@ public class SQLiteHabitList extends HabitList
         }
     }
 
-    @NonNull
-    private From select()
-    {
-        return new Select()
-            .from(HabitRecord.class)
-            .where("archived = 0")
-            .orderBy("position");
-    }
-
-    @NonNull
-    private From selectWithArchived()
-    {
-        return new Select().from(HabitRecord.class).orderBy("position");
-    }
 }

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteRepetitionList.java

@@ -20,12 +20,13 @@
 package org.isoron.uhabits.models.sqlite;
 
 import android.support.annotation.*;
+import android.support.annotation.Nullable;
 
 import com.activeandroid.query.*;
 
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.models.sqlite.records.*;
-import org.isoron.uhabits.utils.*;
+import org.jetbrains.annotations.*;
 
 import java.util.*;
 
@@ -34,9 +35,15 @@ import java.util.*;
  */
 public class SQLiteRepetitionList extends RepetitionList
 {
+    private final SQLiteUtils<RepetitionRecord> sqlite;
+
+    @Nullable
+    private HabitRecord habitRecord;
+
     public SQLiteRepetitionList(@NonNull Habit habit)
     {
         super(habit);
+        sqlite = new SQLiteUtils<>(RepetitionRecord.class);
     }
 
     /**
@@ -59,25 +66,56 @@ public class SQLiteRepetitionList extends RepetitionList
     @Override
     public List<Repetition> getByInterval(long timeFrom, long timeTo)
     {
-        return toRepetitions(selectFromTo(timeFrom, timeTo).execute());
+        check(habit.getId());
+        String query = "select habit, timestamp " +
+                       "from Repetitions " +
+                       "where habit = ? and timestamp >= ? and timestamp <= ? " +
+                       "order by timestamp";
+
+        String params[] = {
+            Long.toString(habit.getId()),
+            Long.toString(timeFrom),
+            Long.toString(timeTo)
+        };
+
+        List<RepetitionRecord> records = sqlite.query(query, params);
+        return toRepetitions(records);
     }
 
     @Override
     @Nullable
     public Repetition getByTimestamp(long timestamp)
     {
-        RepetitionRecord record =
+        check(habit.getId());
-            select().where("timestamp = ?", timestamp).executeSingle();
+        String query = "select habit, timestamp " +
+                       "from Repetitions " +
+                       "where habit = ? and timestamp = ? " +
+                       "limit 1";
 
+        String params[] =
+            { Long.toString(habit.getId()), Long.toString(timestamp) };
+
+        RepetitionRecord record = sqlite.querySingle(query, params);
         if (record == null) return null;
+        record.habit = habitRecord;
         return record.toRepetition();
     }
 
     @Override
     public Repetition getOldest()
     {
-        RepetitionRecord record = select().limit(1).executeSingle();
+        check(habit.getId());
+        String query = "select habit, timestamp " +
+                       "from Repetitions " +
+                       "where habit = ? " +
+                       "order by timestamp asc " +
+                       "limit 1";
+
+        String params[] = { Long.toString(habit.getId()) };
+
+        RepetitionRecord record = sqlite.querySingle(query, params);
         if (record == null) return null;
+        record.habit = habitRecord;
         return record.toRepetition();
     }
 
@@ -93,33 +131,29 @@ public class SQLiteRepetitionList extends RepetitionList
         observable.notifyListeners();
     }
 
-    @NonNull
+    @Contract("null -> fail")
-    private From select()
+    private void check(Long id)
     {
-        return new Select()
+        if (id == null) throw new RuntimeException("habit is not saved");
-            .from(RepetitionRecord.class)
-            .where("habit = ?", habit.getId())
-            .and("timestamp <= ?", DateUtils.getStartOfToday())
-            .orderBy("timestamp");
-    }
 
-    @NonNull
+        if (habitRecord != null) return;
-    private From selectFromTo(long timeFrom, long timeTo)
+
-    {
+        habitRecord = HabitRecord.get(id);
-        return select()
+        if (habitRecord == null) throw new RuntimeException("habit not found");
-            .and("timestamp >= ?", timeFrom)
-            .and("timestamp <= ?", timeTo);
     }
 
     @NonNull
     private List<Repetition> toRepetitions(
-        @Nullable List<RepetitionRecord> records)
+        @NonNull List<RepetitionRecord> records)
     {
-        List<Repetition> reps = new LinkedList<>();
+        check(habit.getId());
-        if (records == null) return reps;
 
+        List<Repetition> reps = new LinkedList<>();
         for (RepetitionRecord record : records)
+        {
+            record.habit = habitRecord;
             reps.add(record.toRepetition());
+        }
 
         return reps;
     }

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteScoreList.java

@@ -21,12 +21,14 @@ package org.isoron.uhabits.models.sqlite;
 
 import android.database.sqlite.*;
 import android.support.annotation.*;
+import android.support.annotation.Nullable;
 
 import com.activeandroid.*;
 import com.activeandroid.query.*;
 
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.models.sqlite.records.*;
+import org.jetbrains.annotations.*;
 
 import java.util.*;
 
@@ -35,6 +37,12 @@ import java.util.*;
  */
 public class SQLiteScoreList extends ScoreList
 {
+    @Nullable
+    private HabitRecord habitRecord;
+
+    @NonNull
+    private final SQLiteUtils<ScoreRecord> sqlite;
+
     /**
      * Constructs a new ScoreList associated with the given habit.
      *
@@ -43,36 +51,13 @@ public class SQLiteScoreList extends ScoreList
     public SQLiteScoreList(@NonNull Habit habit)
     {
         super(habit);
-    }
+        sqlite = new SQLiteUtils<>(ScoreRecord.class);
-
-    @Override
-    @NonNull
-    public List<Score> getAll()
-    {
-        computeAll();
-
-        List<ScoreRecord> records = select().execute();
-        List<Score> scores = new LinkedList<>();
-
-        for (ScoreRecord rec : records)
-            scores.add(rec.toScore());
-
-        return scores;
-    }
-
-    @Override
-    public void invalidateNewerThan(long timestamp)
-    {
-        new Delete()
-            .from(ScoreRecord.class)
-            .where("habit = ?", habit.getId())
-            .and("timestamp >= ?", timestamp)
-            .execute();
     }
 
     @Override
     public void add(List<Score> scores)
     {
+        check(habit.getId());
         String query =
             "insert into Score(habit, timestamp, score) values (?,?,?)";
 
@@ -99,33 +84,83 @@ public class SQLiteScoreList extends ScoreList
         }
     }
 
+    @Override
+    @NonNull
+    public List<Score> getAll()
+    {
+        check(habit.getId());
+        computeAll();
+
+        String query = "select habit, timestamp, score from Score " +
+                       "where habit = ? order by timestamp desc";
+
+        String params[] = {Long.toString(habit.getId())};
+
+        List<ScoreRecord> records = sqlite.query(query, params);
+        for (ScoreRecord record : records) record.habit = habitRecord;
+
+        List<Score> scores = new LinkedList<>();
+        for (ScoreRecord rec : records)
+            scores.add(rec.toScore());
+
+        return scores;
+    }
+
     @Override
     @Nullable
     public Score getByTimestamp(long timestamp)
     {
+        check(habit.getId());
         computeAll();
 
-        ScoreRecord record =
+        String query = "select habit, timestamp, score from Score " +
-            select().where("timestamp = ?", timestamp).executeSingle();
+                       "where habit = ? and timestamp = ? " +
+                       "order by timestamp desc";
 
+        String params[] =
+            {Long.toString(habit.getId()), Long.toString(timestamp)};
+
+        ScoreRecord record = sqlite.querySingle(query, params);
         if (record == null) return null;
+        record.habit = habitRecord;
         return record.toScore();
     }
 
+    @Override
+    public void invalidateNewerThan(long timestamp)
+    {
+        new Delete()
+            .from(ScoreRecord.class)
+            .where("habit = ?", habit.getId())
+            .and("timestamp >= ?", timestamp)
+            .execute();
+    }
+
     @Nullable
     @Override
     protected Score getNewestComputed()
     {
-        ScoreRecord record = select().limit(1).executeSingle();
+        check(habit.getId());
+        String query = "select habit, timestamp, score from Score " +
+                       "where habit = ? order by timestamp desc " +
+                       "limit 1";
+
+        String params[] = {Long.toString(habit.getId())};
+
+        ScoreRecord record = sqlite.querySingle(query, params);
         if (record == null) return null;
+        record.habit = habitRecord;
         return record.toScore();
     }
 
-    private From select()
+    @Contract("null -> fail")
+    private void check(Long id)
     {
-        return new Select()
+        if (id == null) throw new RuntimeException("habit is not saved");
-            .from(ScoreRecord.class)
+
-            .where("habit = ?", habit.getId())
+        if(habitRecord != null) return;
-            .orderBy("timestamp desc");
+
+        habitRecord = HabitRecord.get(id);
+        if (habitRecord == null) throw new RuntimeException("habit not found");
     }
 }

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteUtils.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.models.sqlite;
+
+import android.database.*;
+import android.database.sqlite.*;
+import android.support.annotation.*;
+
+import com.activeandroid.*;
+
+import org.isoron.uhabits.models.sqlite.records.*;
+
+import java.util.*;
+
+public class SQLiteUtils<T extends SQLiteRecord>
+{
+    private Class klass;
+
+    public SQLiteUtils(Class klass)
+    {
+        this.klass = klass;
+    }
+
+    @NonNull
+    public List<T> query(String query, String params[])
+    {
+        SQLiteDatabase db = Cache.openDatabase();
+        try (Cursor c = db.rawQuery(query, params))
+        {
+            return cursorToMultipleRecords(c);
+        }
+    }
+
+    @Nullable
+    public T querySingle(String query, String params[])
+    {
+        SQLiteDatabase db = Cache.openDatabase();
+        try(Cursor c = db.rawQuery(query, params))
+        {
+            if (!c.moveToNext()) return null;
+            return cursorToSingleRecord(c);
+        }
+    }
+
+    @NonNull
+    private List<T> cursorToMultipleRecords(Cursor c)
+    {
+        List<T> records = new LinkedList<>();
+        while (c.moveToNext()) records.add(cursorToSingleRecord(c));
+        return records;
+    }
+
+    @NonNull
+    private T cursorToSingleRecord(Cursor c)
+    {
+        try
+        {
+            T record = (T) klass.newInstance();
+            record.copyFrom(c);
+            return record;
+        }
+        catch (Exception e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+}

app/src/main/java/org/isoron/uhabits/models/sqlite/records/CheckmarkRecord.java

@@ -19,6 +19,8 @@
 
 package org.isoron.uhabits.models.sqlite.records;
 
+import android.database.*;
+
 import com.activeandroid.*;
 import com.activeandroid.annotation.*;
 
@@ -29,7 +31,7 @@ import org.isoron.uhabits.models.sqlite.*;
  * The SQLite database record corresponding to a {@link Checkmark}.
  */
 @Table(name = "Checkmarks")
-public class CheckmarkRecord extends Model
+public class CheckmarkRecord extends Model implements SQLiteRecord
 {
     /**
      * The habit to which this checkmark belongs.
@@ -52,6 +54,13 @@ public class CheckmarkRecord extends Model
     @Column(name = "value")
     public Integer value;
 
+    @Override
+    public void copyFrom(Cursor c)
+    {
+        timestamp = c.getLong(1);
+        value = c.getInt(2);
+    }
+
     public Checkmark toCheckmark()
     {
         SQLiteHabitList habitList = SQLiteHabitList.getInstance();

app/src/main/java/org/isoron/uhabits/models/sqlite/records/HabitRecord.java

@@ -20,6 +20,7 @@
 package org.isoron.uhabits.models.sqlite.records;
 
 import android.annotation.*;
+import android.database.*;
 import android.support.annotation.*;
 
 import com.activeandroid.*;
@@ -28,17 +29,24 @@ import com.activeandroid.query.*;
 import com.activeandroid.util.*;
 
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.utils.*;
+import org.isoron.uhabits.utils.DatabaseUtils;
+
+import java.lang.reflect.*;
 
 /**
  * The SQLite database record corresponding to a {@link Habit}.
  */
 @Table(name = "Habits")
-public class HabitRecord extends Model
+public class HabitRecord extends Model implements SQLiteRecord
 {
     public static final String HABIT_URI_FORMAT =
         "content://org.isoron.uhabits/habit/%d";
 
+    public static String SELECT =
+        "select id, color, description, freq_den, freq_num, " +
+        "name, position, reminder_hour, reminder_min, " +
+        "highlight, archived, reminder_days from habits ";
+
     @Column(name = "name")
     public String name;
 
@@ -147,6 +155,23 @@ public class HabitRecord extends Model
         this.archived = model.getArchived();
     }
 
+    @Override
+    public void copyFrom(Cursor c)
+    {
+        setId(c.getLong(0));
+        color = c.getInt(1);
+        description = c.getString(2);
+        freqDen = c.getInt(3);
+        freqNum = c.getInt(4);
+        name = c.getString(5);
+        position = c.getInt(6);
+        reminderHour = c.getInt(7);
+        reminderMin = c.getInt(8);
+        highlight = c.getInt(9);
+        archived = c.getInt(10);
+        reminderDays = c.getInt(11);
+    }
+    
     public void copyTo(Habit habit)
     {
         habit.setName(this.name);
@@ -172,4 +197,20 @@ public class HabitRecord extends Model
         save();
         updateId(getId(), id);
     }
+
+    private void setId(Long id)
+    {
+        // HACK: The id field is declared private by ActiveAndroid and
+        // there are no setters. (WTF?)
+        try
+        {
+            Field f = (Model.class).getDeclaredField("mId");
+            f.setAccessible(true);
+            f.set(this, id);
+        }
+        catch (Exception e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
 }

app/src/main/java/org/isoron/uhabits/models/sqlite/records/RepetitionRecord.java

@@ -19,6 +19,8 @@
 
 package org.isoron.uhabits.models.sqlite.records;
 
+import android.database.*;
+
 import com.activeandroid.*;
 import com.activeandroid.annotation.*;
 
@@ -29,7 +31,7 @@ import org.isoron.uhabits.models.sqlite.*;
  * The SQLite database record corresponding to a {@link Repetition}.
  */
 @Table(name = "Repetitions")
-public class RepetitionRecord extends Model
+public class RepetitionRecord extends Model implements SQLiteRecord
 {
     @Column(name = "habit")
     public HabitRecord habit;
@@ -37,15 +39,21 @@ public class RepetitionRecord extends Model
     @Column(name = "timestamp")
     public Long timestamp;
 
+    public static RepetitionRecord get(Long id)
+    {
+        return RepetitionRecord.load(RepetitionRecord.class, id);
+    }
+
     public void copyFrom(Repetition repetition)
     {
         habit = HabitRecord.get(repetition.getHabit().getId());
         timestamp = repetition.getTimestamp();
     }
 
-    public static RepetitionRecord get(Long id)
+    @Override
+    public void copyFrom(Cursor c)
     {
-        return RepetitionRecord.load(RepetitionRecord.class, id);
+        timestamp = c.getLong(1);
     }
 
     public Repetition toRepetition()

app/src/main/java/org/isoron/uhabits/models/sqlite/records/SQLiteRecord.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.models.sqlite.records;
+
+import android.database.*;
+
+public interface SQLiteRecord
+{
+    void copyFrom(Cursor c);
+}

app/src/main/java/org/isoron/uhabits/models/sqlite/records/ScoreRecord.java

@@ -19,6 +19,8 @@
 
 package org.isoron.uhabits.models.sqlite.records;
 
+import android.database.*;
+
 import com.activeandroid.*;
 import com.activeandroid.annotation.*;
 
@@ -29,11 +31,8 @@ import org.isoron.uhabits.models.sqlite.*;
  * The SQLite database record corresponding to a Score.
  */
 @Table(name = "Score")
-public class ScoreRecord extends Model
+public class ScoreRecord extends Model implements SQLiteRecord
 {
-    /**
-     * Habit to which this score belongs to.
-     */
     @Column(name = "habit")
     public HabitRecord habit;
 
@@ -50,6 +49,13 @@ public class ScoreRecord extends Model
     @Column(name = "score")
     public Integer score;
 
+    @Override
+    public void copyFrom(Cursor c)
+    {
+        timestamp = c.getLong(1);
+        score = c.getInt(2);
+    }
+
     /**
      * Constructs and returns a {@link Score} based on this record's data.
      *

app/src/main/java/org/isoron/uhabits/ui/habits/list/ListHabitsController.java

@@ -19,26 +19,20 @@
 
 package org.isoron.uhabits.ui.habits.list;
 
-import android.support.annotation.NonNull;
+import android.os.*;
+import android.support.annotation.*;
 
-import org.isoron.uhabits.HabitsApplication;
+import org.isoron.uhabits.*;
-import org.isoron.uhabits.R;
+import org.isoron.uhabits.commands.*;
-import org.isoron.uhabits.commands.CommandRunner;
+import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.commands.ToggleRepetitionCommand;
+import org.isoron.uhabits.tasks.*;
-import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.ui.*;
-import org.isoron.uhabits.models.HabitList;
+import org.isoron.uhabits.ui.habits.list.controllers.*;
-import org.isoron.uhabits.tasks.ExportCSVTask;
+import org.isoron.uhabits.utils.*;
-import org.isoron.uhabits.tasks.ExportDBTask;
-import org.isoron.uhabits.tasks.ImportDataTask;
-import org.isoron.uhabits.ui.BaseSystem;
-import org.isoron.uhabits.ui.habits.list.controllers.HabitCardListController;
-import org.isoron.uhabits.utils.DateUtils;
-import org.isoron.uhabits.utils.Preferences;
 
-import java.io.File;
+import java.io.*;
-import java.io.IOException;
 
-import javax.inject.Inject;
+import javax.inject.*;
 
 public class ListHabitsController
     implements ImportDataTask.Listener, HabitCardListController.HabitListener
@@ -168,8 +162,10 @@ public class ListHabitsController
         prefs.updateLastAppVersion();
         if (prefs.isFirstRun()) onFirstRun();
 
+        new Handler().postDelayed(() -> {
             system.updateWidgets();
             system.scheduleReminders();
+        }, 1000);
     }
 
     @Override