diff --git a/app/src/main/java/org/isoron/helpers/ColorHelper.java b/app/src/main/java/org/isoron/helpers/ColorHelper.java
index 79043bc4..21e375a4 100644
--- a/app/src/main/java/org/isoron/helpers/ColorHelper.java
+++ b/app/src/main/java/org/isoron/helpers/ColorHelper.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.helpers;
 
 import android.graphics.Color;
diff --git a/app/src/main/java/org/isoron/helpers/Command.java b/app/src/main/java/org/isoron/helpers/Command.java
index a76bfbe2..913292d1 100644
--- a/app/src/main/java/org/isoron/helpers/Command.java
+++ b/app/src/main/java/org/isoron/helpers/Command.java
@@ -1,5 +1,20 @@
-package org.isoron.helpers;
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.helpers;
 
 public abstract class Command
 {
diff --git a/app/src/main/java/org/isoron/helpers/DateHelper.java b/app/src/main/java/org/isoron/helpers/DateHelper.java
index 4d8e199c..2ea7469c 100644
--- a/app/src/main/java/org/isoron/helpers/DateHelper.java
+++ b/app/src/main/java/org/isoron/helpers/DateHelper.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.helpers;
 
 import java.text.DecimalFormat;
diff --git a/app/src/main/java/org/isoron/helpers/DialogHelper.java b/app/src/main/java/org/isoron/helpers/DialogHelper.java
index 76a50c5a..366fd6c9 100644
--- a/app/src/main/java/org/isoron/helpers/DialogHelper.java
+++ b/app/src/main/java/org/isoron/helpers/DialogHelper.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.helpers;
 
 import android.content.Context;
diff --git a/app/src/main/java/org/isoron/helpers/ReplayableActivity.java b/app/src/main/java/org/isoron/helpers/ReplayableActivity.java
index 183db057..184cf971 100644
--- a/app/src/main/java/org/isoron/helpers/ReplayableActivity.java
+++ b/app/src/main/java/org/isoron/helpers/ReplayableActivity.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.helpers;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/isoron/uhabits/HabitsBackupAgent.java b/app/src/main/java/org/isoron/uhabits/HabitsBackupAgent.java
index c8003134..7243d6f6 100644
--- a/app/src/main/java/org/isoron/uhabits/HabitsBackupAgent.java
+++ b/app/src/main/java/org/isoron/uhabits/HabitsBackupAgent.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.app.backup.BackupAgentHelper;
diff --git a/app/src/main/java/org/isoron/uhabits/IntroActivity.java b/app/src/main/java/org/isoron/uhabits/IntroActivity.java
index 4fb87add..800e077e 100644
--- a/app/src/main/java/org/isoron/uhabits/IntroActivity.java
+++ b/app/src/main/java/org/isoron/uhabits/IntroActivity.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/isoron/uhabits/MainActivity.java b/app/src/main/java/org/isoron/uhabits/MainActivity.java
index 007cedf4..be37450c 100644
--- a/app/src/main/java/org/isoron/uhabits/MainActivity.java
+++ b/app/src/main/java/org/isoron/uhabits/MainActivity.java
@@ -1,16 +1,29 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 
-import org.isoron.helpers.Command;
 import org.isoron.helpers.ReplayableActivity;
 import org.isoron.uhabits.dialogs.ListHabitsFragment;
 import org.isoron.uhabits.models.Habit;
diff --git a/app/src/main/java/org/isoron/uhabits/ReminderAlarmReceiver.java b/app/src/main/java/org/isoron/uhabits/ReminderAlarmReceiver.java
index 35e41bb2..66b7fd41 100644
--- a/app/src/main/java/org/isoron/uhabits/ReminderAlarmReceiver.java
+++ b/app/src/main/java/org/isoron/uhabits/ReminderAlarmReceiver.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/isoron/uhabits/ReminderHelper.java b/app/src/main/java/org/isoron/uhabits/ReminderHelper.java
index aa91bbaf..d5c87984 100644
--- a/app/src/main/java/org/isoron/uhabits/ReminderHelper.java
+++ b/app/src/main/java/org/isoron/uhabits/ReminderHelper.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.app.AlarmManager;
diff --git a/app/src/main/java/org/isoron/uhabits/SettingsActivity.java b/app/src/main/java/org/isoron/uhabits/SettingsActivity.java
index c889afef..bfb42db8 100644
--- a/app/src/main/java/org/isoron/uhabits/SettingsActivity.java
+++ b/app/src/main/java/org/isoron/uhabits/SettingsActivity.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/isoron/uhabits/ShowHabitActivity.java b/app/src/main/java/org/isoron/uhabits/ShowHabitActivity.java
index 68fa2cbd..6d1aecd6 100644
--- a/app/src/main/java/org/isoron/uhabits/ShowHabitActivity.java
+++ b/app/src/main/java/org/isoron/uhabits/ShowHabitActivity.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import org.isoron.helpers.ReplayableActivity;
diff --git a/app/src/main/java/org/isoron/uhabits/dialogs/EditHabitFragment.java b/app/src/main/java/org/isoron/uhabits/dialogs/EditHabitFragment.java
index 3af65269..5af35643 100644
--- a/app/src/main/java/org/isoron/uhabits/dialogs/EditHabitFragment.java
+++ b/app/src/main/java/org/isoron/uhabits/dialogs/EditHabitFragment.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.dialogs;
 
 import org.isoron.helpers.ColorHelper;
diff --git a/app/src/main/java/org/isoron/uhabits/dialogs/ListHabitsFragment.java b/app/src/main/java/org/isoron/uhabits/dialogs/ListHabitsFragment.java
index b6a0b08a..ce21f784 100644
--- a/app/src/main/java/org/isoron/uhabits/dialogs/ListHabitsFragment.java
+++ b/app/src/main/java/org/isoron/uhabits/dialogs/ListHabitsFragment.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.dialogs;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/isoron/uhabits/dialogs/SettingsFragment.java b/app/src/main/java/org/isoron/uhabits/dialogs/SettingsFragment.java
index 1fb8c6f9..71df44a8 100644
--- a/app/src/main/java/org/isoron/uhabits/dialogs/SettingsFragment.java
+++ b/app/src/main/java/org/isoron/uhabits/dialogs/SettingsFragment.java
@@ -1,5 +1,20 @@
-package org.isoron.uhabits.dialogs;
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.dialogs;
 
 import android.app.backup.BackupManager;
 import android.content.SharedPreferences;
diff --git a/app/src/main/java/org/isoron/uhabits/dialogs/ShowHabitFragment.java b/app/src/main/java/org/isoron/uhabits/dialogs/ShowHabitFragment.java
index 7b37a5a3..cef69eef 100644
--- a/app/src/main/java/org/isoron/uhabits/dialogs/ShowHabitFragment.java
+++ b/app/src/main/java/org/isoron/uhabits/dialogs/ShowHabitFragment.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.dialogs;
 
 import android.app.Fragment;
diff --git a/app/src/main/java/org/isoron/uhabits/models/Checkmark.java b/app/src/main/java/org/isoron/uhabits/models/Checkmark.java
index 2d5ea031..d62f2376 100644
--- a/app/src/main/java/org/isoron/uhabits/models/Checkmark.java
+++ b/app/src/main/java/org/isoron/uhabits/models/Checkmark.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import com.activeandroid.Model;
diff --git a/app/src/main/java/org/isoron/uhabits/models/Habit.java b/app/src/main/java/org/isoron/uhabits/models/Habit.java
index 284375e7..f5ae3372 100644
--- a/app/src/main/java/org/isoron/uhabits/models/Habit.java
+++ b/app/src/main/java/org/isoron/uhabits/models/Habit.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import android.annotation.SuppressLint;
diff --git a/app/src/main/java/org/isoron/uhabits/models/Repetition.java b/app/src/main/java/org/isoron/uhabits/models/Repetition.java
index ee06087d..e3072fb1 100644
--- a/app/src/main/java/org/isoron/uhabits/models/Repetition.java
+++ b/app/src/main/java/org/isoron/uhabits/models/Repetition.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import com.activeandroid.Model;
diff --git a/app/src/main/java/org/isoron/uhabits/models/Score.java b/app/src/main/java/org/isoron/uhabits/models/Score.java
index 94e487c9..aeec49fd 100644
--- a/app/src/main/java/org/isoron/uhabits/models/Score.java
+++ b/app/src/main/java/org/isoron/uhabits/models/Score.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import com.activeandroid.Model;
diff --git a/app/src/main/java/org/isoron/uhabits/models/Streak.java b/app/src/main/java/org/isoron/uhabits/models/Streak.java
index 17b223c8..b5e8b5ca 100644
--- a/app/src/main/java/org/isoron/uhabits/models/Streak.java
+++ b/app/src/main/java/org/isoron/uhabits/models/Streak.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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;
 
 import com.activeandroid.Model;
diff --git a/app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java b/app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java
index 2a561c2b..dbd8868b 100644
--- a/app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java
+++ b/app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.views;
 
 import android.content.Context;
diff --git a/app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java b/app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java
index 32404424..20d2c883 100644
--- a/app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java
+++ b/app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.views;
 
 import android.content.Context;
diff --git a/app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java b/app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java
index eaf8bbd4..e5586afa 100644
--- a/app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java
+++ b/app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.views;
 
 import android.content.Context;
diff --git a/app/src/main/java/org/isoron/uhabits/views/RingView.java b/app/src/main/java/org/isoron/uhabits/views/RingView.java
index 07315657..76ef974a 100644
--- a/app/src/main/java/org/isoron/uhabits/views/RingView.java
+++ b/app/src/main/java/org/isoron/uhabits/views/RingView.java
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program 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.
+ *
+ * This program 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.views;
 
 import android.content.Context;