Merge branch 'hotfix/1.7.5'

.gitignore

@@ -21,3 +21,4 @@ docs/
 gen/
 local.properties
 crowdin.yaml
+local

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+### 1.7.3 (May 30, 2017)
+
+* Improve performance of 'sort by score'
+* Other minor bug fixes
+
 ### 1.7.2 (May 27, 2017)
 
 * Fix crash at startup

app/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java

@@ -24,6 +24,7 @@ import android.content.*;
 import android.os.*;
 import android.support.annotation.*;
 import android.support.test.*;
+import android.util.*;
 
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.preferences.*;
@@ -31,6 +32,7 @@ import org.isoron.uhabits.tasks.*;
 import org.isoron.uhabits.utils.*;
 import org.junit.*;
 
+import java.io.*;
 import java.util.*;
 import java.util.concurrent.*;
 
@@ -65,6 +67,8 @@ public class BaseAndroidTest
 
     protected ModelFactory modelFactory;
 
+    private boolean isDone = false;
+
     @Before
     public void setUp()
     {
@@ -115,6 +119,25 @@ public class BaseAndroidTest
         assertTrue(latch.await(60, TimeUnit.SECONDS));
     }
 
+    protected void runConcurrently(Runnable... runnableList) throws Exception
+    {
+        isDone = false;
+        ExecutorService executor = Executors.newFixedThreadPool(100);
+        List<Future> futures = new LinkedList<>();
+        for (Runnable r : runnableList)
+            futures.add(executor.submit(() ->
+            {
+                while (!isDone) r.run();
+                return null;
+            }));
+
+        Thread.sleep(3000);
+        isDone = true;
+        executor.shutdown();
+        for(Future f : futures) f.get();
+        while (!executor.isTerminated()) Thread.sleep(50);
+    }
+
     protected void setTheme(@StyleRes int themeId)
     {
         targetContext.setTheme(themeId);
@@ -132,4 +155,18 @@ public class BaseAndroidTest
             fail();
         }
     }
+
+    protected void startTracing()
+    {
+        File dir = FileUtils.getFilesDir(targetContext, "Profile");
+        assertNotNull(dir);
+        String tracePath = dir.getAbsolutePath() + "/performance.trace";
+        Log.d("PerformanceTest", String.format("Saving trace file to %s", tracePath));
+        Debug.startMethodTracingSampling(tracePath, 0, 1000);
+    }
+
+    protected void stopTracing()
+    {
+        Debug.stopMethodTracing();
+    }
 }

app/src/androidTest/java/org/isoron/uhabits/models/sqlite/SQLiteScoreListTest.java

@@ -61,29 +61,6 @@ public class SQLiteScoreListTest extends BaseAndroidTest
         day = DateUtils.millisecondsInOneDay;
     }
 
-    @Test
-    public void testGetAll()
-    {
-        List<Score> list = scores.toList();
-        assertThat(list.size(), equalTo(121));
-        assertThat(list.get(0).getTimestamp(), equalTo(today));
-        assertThat(list.get(10).getTimestamp(), equalTo(today - 10 * day));
-    }
-
-    @Test
-    public void testInvalidateNewerThan()
-    {
-        scores.getTodayValue(); // force recompute
-        List<ScoreRecord> records = getAllRecords();
-        assertThat(records.size(), equalTo(121));
-
-        scores.invalidateNewerThan(today - 10 * day);
-
-        records = getAllRecords();
-        assertThat(records.size(), equalTo(110));
-        assertThat(records.get(0).timestamp, equalTo(today - 11 * day));
-    }
-
     @Test
     public void testAdd()
     {
@@ -101,6 +78,15 @@ public class SQLiteScoreListTest extends BaseAndroidTest
         assertThat(records.get(0).timestamp, equalTo(today));
     }
 
+    @Test
+    public void testGetAll()
+    {
+        List<Score> list = scores.toList();
+        assertThat(list.size(), equalTo(121));
+        assertThat(list.get(0).getTimestamp(), equalTo(today));
+        assertThat(list.get(10).getTimestamp(), equalTo(today - 10 * day));
+    }
+
     @Test
     public void testGetByInterval()
     {
@@ -115,6 +101,16 @@ public class SQLiteScoreListTest extends BaseAndroidTest
         assertThat(list.get(7).getTimestamp(), equalTo(today - 10 * day));
     }
 
+    @Test
+    public void testGetByInterval_concurrent() throws Exception
+    {
+        Runnable block1 = () -> scores.invalidateNewerThan(0);
+        Runnable block2 =
+            () -> assertThat(scores.getByInterval(today, today).size(),
+                equalTo(1));
+        runConcurrently(block1, block2);
+    }
+
     @Test
     public void testGetByInterval_withLongInterval()
     {
@@ -125,6 +121,30 @@ public class SQLiteScoreListTest extends BaseAndroidTest
         assertThat(list.size(), equalTo(201));
     }
 
+    @Test
+    public void testGetTodayValue_concurrent() throws Exception
+    {
+        Runnable block1 = () -> scores.invalidateNewerThan(0);
+        Runnable block2 =
+            () -> assertThat(scores.getTodayValue(), equalTo(18407827));
+
+        runConcurrently(block1, block2);
+    }
+
+    @Test
+    public void testInvalidateNewerThan()
+    {
+        scores.getTodayValue(); // force recompute
+        List<ScoreRecord> records = getAllRecords();
+        assertThat(records.size(), equalTo(121));
+
+        scores.invalidateNewerThan(today - 10 * day);
+
+        records = getAllRecords();
+        assertThat(records.size(), equalTo(110));
+        assertThat(records.get(0).timestamp, equalTo(today - 11 * day));
+    }
+
     private List<ScoreRecord> getAllRecords()
     {
         return new Select()

app/src/androidTest/java/org/isoron/uhabits/performance/PerformanceTest.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2017 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.performance;
+
+import android.support.test.filters.*;
+
+import org.isoron.uhabits.*;
+import org.isoron.uhabits.models.*;
+import org.junit.*;
+
+@MediumTest
+public class PerformanceTest extends BaseAndroidTest
+{
+    private Habit habit;
+
+    @Override
+    public void setUp()
+    {
+        super.setUp();
+        habit = fixtures.createLongHabit();
+    }
+
+    @Test(timeout = 1000)
+    public void testRepeatedGetTodayValue()
+    {
+        for (int i = 0; i < 100000; i++)
+        {
+            habit.getScores().getTodayValue();
+            habit.getCheckmarks().getTodayValue();
+        }
+    }
+
+}

app/src/main/AndroidManifest.xml

@@ -21,8 +21,8 @@
 <manifest
     package="org.isoron.uhabits"
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="29"
-    android:versionName="1.7.2">
+    android:versionCode="32"
+    android:versionName="1.7.5">
 
     <uses-permission android:name="android.permission.VIBRATE"/>
 

app/src/main/java/org/isoron/uhabits/activities/common/views/BundleSavedState.java

@@ -20,24 +20,27 @@
 package org.isoron.uhabits.activities.common.views;
 
 import android.os.*;
+import android.support.v4.os.*;
 
 public class BundleSavedState extends android.support.v4.view.AbsSavedState
 {
     public static final Parcelable.Creator<BundleSavedState> CREATOR =
-        new Parcelable.Creator<BundleSavedState>()
-        {
-            @Override
-            public BundleSavedState createFromParcel(Parcel source)
+        ParcelableCompat.newCreator(
+            new ParcelableCompatCreatorCallbacks<BundleSavedState>()
             {
-                return new BundleSavedState(source, getClass().getClassLoader());
-            }
+                @Override
+                public BundleSavedState createFromParcel(Parcel source,
+                                                         ClassLoader loader)
+                {
+                    return new BundleSavedState(source, loader);
+                }
 
-            @Override
-            public BundleSavedState[] newArray(int size)
-            {
-                return new BundleSavedState[size];
-            }
-        };
+                @Override
+                public BundleSavedState[] newArray(int size)
+                {
+                    return new BundleSavedState[size];
+                }
+            });
 
     public final Bundle bundle;
 
@@ -50,7 +53,7 @@ public class BundleSavedState extends android.support.v4.view.AbsSavedState
     public BundleSavedState(Parcel source, ClassLoader loader)
     {
         super(source, loader);
-        this.bundle = source.readBundle(getClass().getClassLoader());
+        this.bundle = source.readBundle(loader);
     }
 
     @Override

app/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.java

@@ -256,7 +256,7 @@ public class FrequencyChart extends ScrollableChart
         float scale = 1.0f/maxFreq * value;
         float radius = maxRadius * scale;
 
-        int colorIndex = Math.round((colors.length-1) * scale);
+        int colorIndex = Math.min(colors.length - 1, Math.round((colors.length - 1) * scale));
         pGraph.setColor(colors[colorIndex]);
         canvas.drawCircle(rect.centerX(), rect.centerY(), radius, pGraph);
     }

app/src/main/java/org/isoron/uhabits/activities/common/views/ScrollableChart.java

@@ -107,6 +107,12 @@ public abstract class ScrollableChart extends View
     @Override
     public void onRestoreInstanceState(Parcelable state)
     {
+        if(!(state instanceof BundleSavedState))
+        {
+            super.onRestoreInstanceState(state);
+            return;
+        }
+
         BundleSavedState bss = (BundleSavedState) state;
         int x = bss.bundle.getInt("x");
         int y = bss.bundle.getInt("y");

app/src/main/java/org/isoron/uhabits/activities/habits/list/views/HabitCardListView.java

@@ -153,6 +153,12 @@ public class HabitCardListView extends RecyclerView
     @Override
     protected void onRestoreInstanceState(Parcelable state)
     {
+        if(!(state instanceof BundleSavedState))
+        {
+            super.onRestoreInstanceState(state);
+            return;
+        }
+
         BundleSavedState bss = (BundleSavedState) state;
         dataOffset = bss.bundle.getInt("dataOffset");
         super.onRestoreInstanceState(bss.getSuperState());

app/src/main/java/org/isoron/uhabits/models/CheckmarkList.java

@@ -108,7 +108,7 @@ public abstract class CheckmarkList
      *
      * @return value of today's checkmark
      */
-    public final int getTodayValue()
+    public int getTodayValue()
     {
         Checkmark today = getToday();
         if (today != null) return today.getValue();
@@ -192,7 +192,7 @@ public abstract class CheckmarkList
         Checkmark newest = getNewestComputed();
         Checkmark oldest = getOldestComputed();
 
-        if (newest == null)
+        if (newest == null || oldest == null)
         {
             forceRecompute(from, to);
         }
@@ -208,6 +208,7 @@ public abstract class CheckmarkList
      *
      * @return oldest checkmark already computed
      */
+    @Nullable
     protected abstract Checkmark getOldestComputed();
 
     /**
@@ -285,5 +286,6 @@ public abstract class CheckmarkList
      *
      * @return newest checkmark already computed
      */
+    @Nullable
     protected abstract Checkmark getNewestComputed();
 }

app/src/main/java/org/isoron/uhabits/models/ScoreList.java

@@ -81,7 +81,7 @@ public abstract class ScoreList implements Iterable<Score>
      * @param timestamp the timestamp of a day
      * @return score value for that day
      */
-    public final int getValue(long timestamp)
+    public synchronized final int getValue(long timestamp)
     {
         compute(timestamp, timestamp);
         Score s = getComputedByTimestamp(timestamp);

app/src/main/java/org/isoron/uhabits/models/memory/MemoryCheckmarkList.java

@@ -72,6 +72,7 @@ public class MemoryCheckmarkList extends CheckmarkList
     }
 
     @Override
+    @Nullable
     protected Checkmark getOldestComputed()
     {
         if(list.isEmpty()) return null;
@@ -79,6 +80,7 @@ public class MemoryCheckmarkList extends CheckmarkList
     }
 
     @Override
+    @Nullable
     protected Checkmark getNewestComputed()
     {
         if(list.isEmpty()) return null;

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

@@ -24,7 +24,6 @@ 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.*;
@@ -38,38 +37,54 @@ import java.util.*;
  */
 public class SQLiteCheckmarkList extends CheckmarkList
 {
+
+    private static final String ADD_QUERY =
+        "insert into Checkmarks(habit, timestamp, value) values (?,?,?)";
+
+    private static final String INVALIDATE_QUERY =
+        "delete from Checkmarks where habit = ? and timestamp >= ?";
+
     @Nullable
     private HabitRecord habitRecord;
 
     @NonNull
     private final SQLiteUtils<CheckmarkRecord> sqlite;
 
+    @Nullable
+    private CachedData cache;
+
+    @NonNull
+    private final SQLiteStatement invalidateStatement;
+
+    @NonNull
+    private final SQLiteStatement addStatement;
+
+    @NonNull
+    private final SQLiteDatabase db;
+
     public SQLiteCheckmarkList(Habit habit)
     {
         super(habit);
         sqlite = new SQLiteUtils<>(CheckmarkRecord.class);
+
+        db = Cache.openDatabase();
+        addStatement = db.compileStatement(ADD_QUERY);
+        invalidateStatement = db.compileStatement(INVALIDATE_QUERY);
     }
 
     @Override
     public void add(List<Checkmark> checkmarks)
     {
         check(habit.getId());
-
-        String query =
-            "insert into Checkmarks(habit, timestamp, value) values (?,?,?)";
-
-        SQLiteDatabase db = Cache.openDatabase();
         db.beginTransaction();
         try
         {
-            SQLiteStatement statement = db.compileStatement(query);
-
             for (Checkmark c : checkmarks)
             {
-                statement.bindLong(1, habit.getId());
-                statement.bindLong(2, c.getTimestamp());
-                statement.bindLong(3, c.getValue());
-                statement.execute();
+                addStatement.bindLong(1, habit.getId());
+                addStatement.bindLong(2, c.getTimestamp());
+                addStatement.bindLong(3, c.getValue());
+                addStatement.execute();
             }
 
             db.setTransactionSuccessful();
@@ -87,8 +102,7 @@ public class SQLiteCheckmarkList extends CheckmarkList
         check(habit.getId());
         compute(fromTimestamp, toTimestamp);
 
-        String query = "select habit, timestamp, value " +
-                       "from checkmarks " +
+        String query = "select habit, timestamp, value from checkmarks " +
                        "where habit = ? and timestamp >= ? and timestamp <= ? " +
                        "order by timestamp desc";
 
@@ -112,15 +126,22 @@ public class SQLiteCheckmarkList extends CheckmarkList
         return toCheckmarks(records);
     }
 
+    @Override
+    public int getTodayValue()
+    {
+        if (cache == null || cache.expired())
+            cache = new CachedData(super.getTodayValue());
+
+        return cache.todayValue;
+    }
+
     @Override
     public void invalidateNewerThan(long timestamp)
     {
-        new Delete()
-            .from(CheckmarkRecord.class)
-            .where("habit = ?", habit.getId())
-            .and("timestamp >= ?", timestamp)
-            .execute();
-
+        cache = null;
+        invalidateStatement.bindLong(1, habit.getId());
+        invalidateStatement.bindLong(2, timestamp);
+        invalidateStatement.execute();
         observable.notifyListeners();
     }
 
@@ -129,10 +150,8 @@ public class SQLiteCheckmarkList extends CheckmarkList
     protected Checkmark getNewestComputed()
     {
         check(habit.getId());
-        String query = "select habit, timestamp, value " +
-                       "from checkmarks " +
-                       "where habit = ? " +
-                       "order by timestamp desc " +
+        String query = "select habit, timestamp, value from checkmarks " +
+                       "where habit = ? " + "order by timestamp desc " +
                        "limit 1";
 
         String params[] = { Long.toString(habit.getId()) };
@@ -140,13 +159,12 @@ public class SQLiteCheckmarkList extends CheckmarkList
     }
 
     @Override
+    @Nullable
     protected Checkmark getOldestComputed()
     {
         check(habit.getId());
-        String query = "select habit, timestamp, value " +
-                       "from checkmarks " +
-                       "where habit = ? " +
-                       "order by timestamp asc " +
+        String query = "select habit, timestamp, value from checkmarks " +
+                       "where habit = ? " + "order by timestamp asc " +
                        "limit 1";
 
         String params[] = { Long.toString(habit.getId()) };
@@ -179,4 +197,22 @@ public class SQLiteCheckmarkList extends CheckmarkList
         for (CheckmarkRecord r : records) checkmarks.add(r.toCheckmark());
         return checkmarks;
     }
+
+    private static class CachedData
+    {
+        int todayValue;
+
+        private long today;
+
+        CachedData(int todayValue)
+        {
+            this.todayValue = todayValue;
+            this.today = DateUtils.getStartOfToday();
+        }
+
+        boolean expired()
+        {
+            return today != DateUtils.getStartOfToday();
+        }
+    }
 }

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

@@ -270,9 +270,7 @@ public class SQLiteHabitList extends HabitList
         for (HabitRecord record : recordList)
         {
             Habit habit = getById(record.getId());
-            if (habit == null)
-                throw new RuntimeException("habit not in database");
-
+            if (habit == null) continue;
             if (!filter.matches(habit)) continue;
             habits.add(habit);
         }

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

@@ -19,12 +19,12 @@
 
 package org.isoron.uhabits.models.sqlite;
 
-import android.database.DatabaseUtils;
-import android.database.sqlite.SQLiteDatabase;
+import android.database.*;
+import android.database.sqlite.*;
 import android.support.annotation.*;
 import android.support.annotation.Nullable;
 
-import com.activeandroid.Cache;
+import com.activeandroid.*;
 import com.activeandroid.query.*;
 
 import org.isoron.uhabits.models.*;
@@ -43,10 +43,16 @@ public class SQLiteRepetitionList extends RepetitionList
     @Nullable
     private HabitRecord habitRecord;
 
+    private SQLiteStatement addStatement;
+
     public SQLiteRepetitionList(@NonNull Habit habit)
     {
         super(habit);
         sqlite = new SQLiteUtils<>(RepetitionRecord.class);
+
+        SQLiteDatabase db = Cache.openDatabase();
+        String addQuery = "insert into repetitions(habit, timestamp) values (?,?)";
+        addStatement = db.compileStatement(addQuery);
     }
 
     /**
@@ -61,11 +67,9 @@ public class SQLiteRepetitionList extends RepetitionList
     public void add(Repetition rep)
     {
         check(habit.getId());
-
-        RepetitionRecord record = new RepetitionRecord();
-        record.copyFrom(rep);
-        record.habit = habitRecord;
-        record.save();
+        addStatement.bindLong(1, habit.getId());
+        addStatement.bindLong(2, rep.getTimestamp());
+        addStatement.execute();
         observable.notifyListeners();
     }
 

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

@@ -24,10 +24,10 @@ 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.*;
@@ -37,12 +37,29 @@ import java.util.*;
  */
 public class SQLiteScoreList extends ScoreList
 {
+    public static final String ADD_QUERY =
+        "insert into Score(habit, timestamp, score) values (?,?,?)";
+
+    public static final String INVALIDATE_QUERY =
+        "delete from Score where habit = ? and timestamp >= ?";
+
     @Nullable
     private HabitRecord habitRecord;
 
     @NonNull
     private final SQLiteUtils<ScoreRecord> sqlite;
 
+    @NonNull
+    private final SQLiteStatement invalidateStatement;
+
+    @NonNull
+    private final SQLiteStatement addStatement;
+
+    private final SQLiteDatabase db;
+
+    @Nullable
+    private CachedData cache = null;
+
     /**
      * Constructs a new ScoreList associated with the given habit.
      *
@@ -52,28 +69,25 @@ public class SQLiteScoreList extends ScoreList
     {
         super(habit);
         sqlite = new SQLiteUtils<>(ScoreRecord.class);
+
+        db = Cache.openDatabase();
+        addStatement = db.compileStatement(ADD_QUERY);
+        invalidateStatement = db.compileStatement(INVALIDATE_QUERY);
     }
 
     @Override
     public void add(List<Score> scores)
     {
         check(habit.getId());
-        String query =
-            "insert into Score(habit, timestamp, score) values (?,?,?)";
-
-        SQLiteDatabase db = Cache.openDatabase();
         db.beginTransaction();
-
         try
         {
-            SQLiteStatement statement = db.compileStatement(query);
-
             for (Score s : scores)
             {
-                statement.bindLong(1, habit.getId());
-                statement.bindLong(2, s.getTimestamp());
-                statement.bindLong(3, s.getValue());
-                statement.execute();
+                addStatement.bindLong(1, habit.getId());
+                addStatement.bindLong(2, s.getTimestamp());
+                addStatement.bindLong(3, s.getValue());
+                addStatement.execute();
             }
 
             db.setTransactionSuccessful();
@@ -86,20 +100,20 @@ public class SQLiteScoreList extends ScoreList
 
     @NonNull
     @Override
-    public List<Score> getByInterval(long fromTimestamp, long toTimestamp)
+    public synchronized List<Score> getByInterval(long fromTimestamp,
+                                                  long toTimestamp)
     {
         check(habit.getId());
         compute(fromTimestamp, toTimestamp);
 
-        String query = "select habit, timestamp, score " +
-                "from Score " +
-                "where habit = ? and timestamp >= ? and timestamp <= ? " +
-                "order by timestamp desc";
+        String query = "select habit, timestamp, score from Score " +
+                       "where habit = ? and timestamp >= ? and timestamp <= ? " +
+                       "order by timestamp desc";
 
         String params[] = {
-                Long.toString(habit.getId()),
-                Long.toString(fromTimestamp),
-                Long.toString(toTimestamp)
+            Long.toString(habit.getId()),
+            Long.toString(fromTimestamp),
+            Long.toString(toTimestamp)
         };
 
         List<ScoreRecord> records = sqlite.query(query, params);
@@ -124,14 +138,21 @@ public class SQLiteScoreList extends ScoreList
     }
 
     @Override
-    public void invalidateNewerThan(long timestamp)
+    public synchronized int getTodayValue()
     {
-        new Delete()
-            .from(ScoreRecord.class)
-            .where("habit = ?", habit.getId())
-            .and("timestamp >= ?", timestamp)
-            .execute();
+        if (cache == null || cache.expired())
+            cache = new CachedData(super.getTodayValue());
 
+        return cache.todayValue;
+    }
+
+    @Override
+    public synchronized void invalidateNewerThan(long timestamp)
+    {
+        cache = null;
+        invalidateStatement.bindLong(1, habit.getId());
+        invalidateStatement.bindLong(2, timestamp);
+        invalidateStatement.execute();
         getObservable().notifyListeners();
     }
 
@@ -159,8 +180,7 @@ public class SQLiteScoreList extends ScoreList
     {
         check(habit.getId());
         String query = "select habit, timestamp, score from Score " +
-                       "where habit = ? order by timestamp desc " +
-                       "limit 1";
+                       "where habit = ? order by timestamp desc limit 1";
 
         String params[] = { Long.toString(habit.getId()) };
         return getScoreFromQuery(query, params);
@@ -172,8 +192,7 @@ public class SQLiteScoreList extends ScoreList
     {
         check(habit.getId());
         String query = "select habit, timestamp, score from Score " +
-                       "where habit = ? order by timestamp asc " +
-                       "limit 1";
+                       "where habit = ? order by timestamp asc limit 1";
 
         String params[] = { Long.toString(habit.getId()) };
         return getScoreFromQuery(query, params);
@@ -204,4 +223,22 @@ public class SQLiteScoreList extends ScoreList
         for (ScoreRecord r : records) scores.add(r.toScore());
         return scores;
     }
+
+    private static class CachedData
+    {
+        int todayValue;
+
+        private long today;
+
+        CachedData(int todayValue)
+        {
+            this.todayValue = todayValue;
+            this.today = DateUtils.getStartOfToday();
+        }
+
+        boolean expired()
+        {
+            return today != DateUtils.getStartOfToday();
+        }
+    }
 }

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

@@ -19,10 +19,11 @@
 
 package org.isoron.uhabits.models.sqlite;
 
+import android.database.sqlite.*;
 import android.support.annotation.*;
 import android.support.annotation.Nullable;
 
-import com.activeandroid.query.*;
+import com.activeandroid.*;
 
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.models.sqlite.records.*;
@@ -41,10 +42,17 @@ public class SQLiteStreakList extends StreakList
     @NonNull
     private final SQLiteUtils<StreakRecord> sqlite;
 
+    private final SQLiteStatement invalidateStatement;
+
     public SQLiteStreakList(Habit habit)
     {
         super(habit);
         sqlite = new SQLiteUtils<>(StreakRecord.class);
+
+        SQLiteDatabase db = Cache.openDatabase();
+        String invalidateQuery = "delete from Streak where habit = ? " +
+                                 "and end >= ?";
+        invalidateStatement = db.compileStatement(invalidateQuery);
     }
 
     @Override
@@ -73,12 +81,9 @@ public class SQLiteStreakList extends StreakList
     @Override
     public void invalidateNewerThan(long timestamp)
     {
-        new Delete()
-            .from(StreakRecord.class)
-            .where("habit = ?", habit.getId())
-            .and("end >= ?", timestamp - DateUtils.millisecondsInOneDay)
-            .execute();
-
+        invalidateStatement.bindLong(1, habit.getId());
+        invalidateStatement.bindLong(2, timestamp - DateUtils.millisecondsInOneDay);
+        invalidateStatement.execute();
         observable.notifyListeners();
     }
 

app/src/main/java/org/isoron/uhabits/receivers/ReminderController.java

@@ -28,6 +28,8 @@ import org.isoron.uhabits.utils.*;
 
 import javax.inject.*;
 
+import static org.isoron.uhabits.utils.DateUtils.*;
+
 @ReceiverScope
 public class ReminderController
 {
@@ -66,7 +68,7 @@ public class ReminderController
     {
         long snoozeInterval = preferences.getSnoozeInterval();
 
-        long now = DateUtils.getLocalTime();
+        long now = applyTimezone(getLocalTime());
         long reminderTime = now + snoozeInterval * 60 * 1000;
 
         reminderScheduler.schedule(habit, reminderTime);

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-all.zip