diff --git a/api/src/main/java/com/todoroo/andlib/data/AbstractDatabase.java b/api/src/main/java/com/todoroo/andlib/data/AbstractDatabase.java
index 8475f8218..7d408fa0f 100644
--- a/api/src/main/java/com/todoroo/andlib/data/AbstractDatabase.java
+++ b/api/src/main/java/com/todoroo/andlib/data/AbstractDatabase.java
@@ -11,7 +11,6 @@ import android.database.Cursor;
 import android.database.sqlite.SQLiteConstraintException;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.util.Log;
 
 import com.todoroo.andlib.data.Property.PropertyVisitor;
 import com.todoroo.andlib.service.ContextManager;
@@ -288,8 +287,7 @@ abstract public class AbstractDatabase {
          */
         @Override
         public synchronized void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-            Log.w("database-" + getName(), String.format("Upgrading database from version %d to %d.",
-                    oldVersion, newVersion));
+            log.info("Upgrading database from version {} to {}.", oldVersion, newVersion);
 
             database = db;
             try {
diff --git a/api/src/main/java/com/todoroo/andlib/data/AbstractModel.java b/api/src/main/java/com/todoroo/andlib/data/AbstractModel.java
index aa8f70ea2..38f268efd 100644
--- a/api/src/main/java/com/todoroo/andlib/data/AbstractModel.java
+++ b/api/src/main/java/com/todoroo/andlib/data/AbstractModel.java
@@ -14,6 +14,9 @@ import com.todoroo.andlib.data.Property.LongProperty;
 import com.todoroo.andlib.data.Property.PropertyVisitor;
 import com.todoroo.andlib.utility.AndroidUtilities;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.lang.reflect.Array;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
@@ -34,12 +37,10 @@ import java.util.Map.Entry;
  */
 public abstract class AbstractModel implements Parcelable, Cloneable {
 
-    // --- static variables
+    private static final Logger log = LoggerFactory.getLogger(AbstractModel.class);
 
     private static final ContentValuesSavingVisitor saver = new ContentValuesSavingVisitor();
 
-    // --- constants
-
     /** id property common to all models */
     protected static final String ID_PROPERTY_NAME = "_id"; //$NON-NLS-1$
 
@@ -183,6 +184,7 @@ public abstract class AbstractModel implements Parcelable, Cloneable {
                 saver.save(property, values, cursor.get(property));
             } catch (IllegalArgumentException e) {
                 // underlying cursor may have changed, suppress
+                log.error(e.getMessage(), e);
             }
         }
     }
@@ -214,6 +216,7 @@ public abstract class AbstractModel implements Parcelable, Cloneable {
             }
             return (TYPE) value;
         } catch (NumberFormatException e) {
+            log.error(e.getMessage(), e);
             return (TYPE) getDefaultValues().get(property.name);
         }
     }
diff --git a/api/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java b/api/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
index 0a347a41f..d6cc26414 100644
--- a/api/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
+++ b/api/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
@@ -309,6 +309,7 @@ public class AndroidUtilities {
                 } catch (NumberFormatException e) {
                     // failed parse to number
                     putter.put(object, key, 's', value);
+                    log.error(e.getMessage(), e);
                 }
             } catch (IndexOutOfBoundsException e) {
                 log.error(e.getMessage(), e);
@@ -494,6 +495,7 @@ public class AndroidUtilities {
             activity.unregisterReceiver(receiver);
         } catch (IllegalArgumentException e) {
             // Receiver wasn't registered for some reason
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/api/src/main/java/com/todoroo/andlib/utility/DialogUtilities.java b/api/src/main/java/com/todoroo/andlib/utility/DialogUtilities.java
index 5f432b76f..0e4138e00 100644
--- a/api/src/main/java/com/todoroo/andlib/utility/DialogUtilities.java
+++ b/api/src/main/java/com/todoroo/andlib/utility/DialogUtilities.java
@@ -13,10 +13,14 @@ import android.app.ProgressDialog;
 import android.content.DialogInterface;
 import android.view.View;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.api.R;
 
 public class DialogUtilities {
 
+    private static final Logger log = LoggerFactory.getLogger(DialogUtilities.class);
+
     /**
      * Displays a dialog box with a EditText and an ok / cancel
      */
@@ -143,8 +147,8 @@ public class DialogUtilities {
                 try {
                     runnable.run();
                 } catch (Exception e) {
-                    DialogUtilities.okDialog(activity,
-                            activity.getString(R.string.DLG_error, e.toString()), null);
+                    log.error(e.getMessage(), e);
+                    DialogUtilities.okDialog(activity, activity.getString(R.string.DLG_error, e.toString()), null);
                 } finally {
                     DialogUtilities.dismissDialog(activity, progressdiag);
                 }
@@ -181,6 +185,7 @@ public class DialogUtilities {
                     dialog.dismiss();
                 } catch (Exception e) {
                     // could have killed activity
+                    log.error(e.getMessage(), e);
                 }
             }
         });
@@ -195,6 +200,7 @@ public class DialogUtilities {
                     runnable.run();
                 } catch (Exception e) {
                     // probably window was closed
+                    log.error(e.getMessage(), e);
                 }
             }
         });
diff --git a/api/src/main/java/com/todoroo/andlib/utility/Preferences.java b/api/src/main/java/com/todoroo/andlib/utility/Preferences.java
index fefb1568e..46b2aad2c 100644
--- a/api/src/main/java/com/todoroo/andlib/utility/Preferences.java
+++ b/api/src/main/java/com/todoroo/andlib/utility/Preferences.java
@@ -11,6 +11,9 @@ import android.preference.PreferenceManager;
 
 import com.todoroo.andlib.service.ContextManager;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * Helper class for reading and writing SharedPreferences
  *
@@ -20,6 +23,8 @@ import com.todoroo.andlib.service.ContextManager;
 @Deprecated
 public class Preferences {
 
+    private static final Logger log = LoggerFactory.getLogger(Preferences.class);
+
     private static SharedPreferences preferences = null;
 
     /** Get preferences object from the context */
@@ -36,6 +41,7 @@ public class Preferences {
             preferences.edit().commit();
 
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             String alternate = "preferences" + android.os.Process.myUid(); //$NON-NLS-1$
             preferences = context.getSharedPreferences(alternate, Context.MODE_PRIVATE);
         }
@@ -48,6 +54,7 @@ public class Preferences {
         try {
             return getPrefs(context).getBoolean(context.getString(keyResources), defValue);
         } catch (ClassCastException e) {
+            log.error(e.getMessage(), e);
             return defValue;
         }
     }
diff --git a/api/src/main/java/com/todoroo/astrid/data/RemoteModel.java b/api/src/main/java/com/todoroo/astrid/data/RemoteModel.java
index 4b16383ac..c594ff5fe 100644
--- a/api/src/main/java/com/todoroo/astrid/data/RemoteModel.java
+++ b/api/src/main/java/com/todoroo/astrid/data/RemoteModel.java
@@ -19,6 +19,8 @@ import com.todoroo.andlib.utility.DateUtilities;
 
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -34,6 +36,8 @@ import static org.tasks.date.DateTimeUtils.currentTimeMillis;
  */
 abstract public class RemoteModel extends AbstractModel {
 
+    private static final Logger log = LoggerFactory.getLogger(RemoteModel.class);
+
     /** remote id property common to all remote models */
     public static final String UUID_PROPERTY_NAME = "remoteId"; //$NON-NLS-1$
 
@@ -57,6 +61,7 @@ abstract public class RemoteModel extends AbstractModel {
             long value = Long.parseLong(uuid);
             return value > 0;
         } catch (NumberFormatException e) {
+            log.error(e.getMessage(), e);
             return isUuidEmpty(uuid);
         }
     }
@@ -137,14 +142,14 @@ abstract public class RemoteModel extends AbstractModel {
                         fos.close();
                         jsonObject.put("path", file.getAbsolutePath());
                     } catch (IOException e) {
-                        //
+                        log.error(e.getMessage(), e);
                     }
                     return jsonObject;
                 } else {
                     return null;
                 }
             } catch (JSONException e) {
-                //
+                log.error(e.getMessage(), e);
             }
             return null;
         }
@@ -161,6 +166,7 @@ abstract public class RemoteModel extends AbstractModel {
                 }
                 return pictureJson.optString(size);
             } catch (JSONException e) {
+                log.error(e.getMessage(), e);
                 return value;
             }
         }
@@ -179,6 +185,7 @@ abstract public class RemoteModel extends AbstractModel {
                 }
                 return null;
             } catch (JSONException e) {
+                log.error(e.getMessage(), e);
                 return null;
             }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/actfm/ActFmCameraModule.java b/astrid/src/main/java/com/todoroo/astrid/actfm/ActFmCameraModule.java
index a9acaeddf..8b4dba27e 100644
--- a/astrid/src/main/java/com/todoroo/astrid/actfm/ActFmCameraModule.java
+++ b/astrid/src/main/java/com/todoroo/astrid/actfm/ActFmCameraModule.java
@@ -21,6 +21,8 @@ import android.widget.ArrayAdapter;
 import com.todoroo.andlib.utility.AndroidUtilities;
 import com.todoroo.andlib.utility.DateUtilities;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 
 import java.io.File;
@@ -29,6 +31,8 @@ import java.util.ArrayList;
 
 public class ActFmCameraModule {
 
+    private static final Logger log = LoggerFactory.getLogger(ActFmCameraModule.class);
+
     protected static final int REQUEST_CODE_CAMERA = 1;
     protected static final int REQUEST_CODE_PICTURE = 2;
 
@@ -93,6 +97,7 @@ public class ActFmCameraModule {
                 return File.createTempFile("comment_pic_" + DateUtilities.now(), ".jpg", new File(path));
             }
         } catch (IOException e) {
+            log.error(e.getMessage(), e);
             return null;
         }
         return null;
diff --git a/astrid/src/main/java/com/todoroo/astrid/actfm/TagSettingsActivity.java b/astrid/src/main/java/com/todoroo/astrid/actfm/TagSettingsActivity.java
index 8205594c7..8d7ca6665 100644
--- a/astrid/src/main/java/com/todoroo/astrid/actfm/TagSettingsActivity.java
+++ b/astrid/src/main/java/com/todoroo/astrid/actfm/TagSettingsActivity.java
@@ -34,6 +34,8 @@ import com.todoroo.astrid.tags.TagService;
 
 import org.json.JSONArray;
 import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingActionBarActivity;
 import org.tasks.preferences.ActivityPreferences;
@@ -45,6 +47,8 @@ import static android.support.v4.view.MenuItemCompat.setShowAsAction;
 
 public class TagSettingsActivity extends InjectingActionBarActivity {
 
+    private static final Logger log = LoggerFactory.getLogger(TagSettingsActivity.class);
+
     public static final String TOKEN_NEW_FILTER = "newFilter"; //$NON-NLS-1$
 
     private static final int MENU_SAVE_ID = R.string.TEA_menu_save;
@@ -210,7 +214,7 @@ public class TagSettingsActivity extends InjectingActionBarActivity {
             tagData.setPicture(tagPicture);
         }
         catch (Exception e) {
-            e.printStackTrace();
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/activity/AstridActivity.java b/astrid/src/main/java/com/todoroo/astrid/activity/AstridActivity.java
index 91aaeb826..669966cff 100644
--- a/astrid/src/main/java/com/todoroo/astrid/activity/AstridActivity.java
+++ b/astrid/src/main/java/com/todoroo/astrid/activity/AstridActivity.java
@@ -38,6 +38,8 @@ import com.todoroo.astrid.ui.QuickAddBar;
 import com.todoroo.astrid.voice.RecognizerApi.RecognizerApiListener;
 import com.todoroo.astrid.voice.VoiceRecognizer;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingActionBarActivity;
 import org.tasks.preferences.Preferences;
@@ -60,6 +62,8 @@ public class AstridActivity extends InjectingActionBarActivity
     TaskListFragment.OnTaskListItemClickedListener,
     RecognizerApiListener {
 
+    private static final Logger log = LoggerFactory.getLogger(AstridActivity.class);
+
     public static final int LAYOUT_SINGLE = 0;
     public static final int LAYOUT_DOUBLE = 1;
 
@@ -197,7 +201,7 @@ public class AstridActivity extends InjectingActionBarActivity
             });
         } catch (Exception e) {
             // Don't worry about it
-            e.printStackTrace();
+            log.error(e.getMessage(), e);
         }
     }
 
@@ -263,12 +267,10 @@ public class AstridActivity extends InjectingActionBarActivity
         if(fragment == null) {
             try {
                 fragment = cls.newInstance();
-            } catch (InstantiationException e) {
-                return null;
-            } catch (IllegalAccessException e) {
+            } catch (InstantiationException | IllegalAccessException e) {
+                log.error(e.getMessage(), e);
                 return null;
             }
-
             FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
             if (container == 0) {
                 ft.add(fragment, tag);
@@ -381,6 +383,7 @@ public class AstridActivity extends InjectingActionBarActivity
                             gcalHelper, taskService, AstridActivity.this, task, oldDueDate, newDueDate, lastTime);
 
                 } catch (BadTokenException e) { // Activity not running when tried to show dialog--rebroadcast
+                    log.error(e.getMessage(), e);
                     new Thread() {
                         @Override
                         public void run() {
diff --git a/astrid/src/main/java/com/todoroo/astrid/activity/EditPreferences.java b/astrid/src/main/java/com/todoroo/astrid/activity/EditPreferences.java
index c8f8bd250..c2a7f66ca 100644
--- a/astrid/src/main/java/com/todoroo/astrid/activity/EditPreferences.java
+++ b/astrid/src/main/java/com/todoroo/astrid/activity/EditPreferences.java
@@ -235,6 +235,7 @@ public class EditPreferences extends TodorooPreferenceActivity {
                     preference.setIntent(intent);
                 }
             } catch (ClassNotFoundException e) {
+                log.error(e.getMessage(), e);
                 preference.setIntent(intent);
             }
 
@@ -283,7 +284,7 @@ public class EditPreferences extends TodorooPreferenceActivity {
                 preference.setTitle(getString(R.string.EPr_task_row_style_title, titles[valueInt]));
                 preference.setSummary(descriptions[valueInt]);
             } catch (Exception e) {
-                //
+                log.error(e.getMessage(), e);
             }
 
             preference.setOnPreferenceChangeListener(new SetResultOnPreferenceChangeListener(RESULT_CODE_PERFORMANCE_PREF_CHANGED) {
@@ -296,7 +297,7 @@ public class EditPreferences extends TodorooPreferenceActivity {
                         fullTitle.setEnabled(newValueInt != 2);
                         notes.setEnabled(newValueInt == 0);
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        log.error(e.getMessage(), e);
                     }
                     return super.onPreferenceChange(p, newValue);
                 }
@@ -399,6 +400,7 @@ public class EditPreferences extends TodorooPreferenceActivity {
             }
         } catch (VerifyError e) {
             // unavailable
+            log.error(e.getMessage(), e);
         }
         super.onActivityResult(requestCode, resultCode, data);
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/activity/FilterListFragment.java b/astrid/src/main/java/com/todoroo/astrid/activity/FilterListFragment.java
index 63c0efcb3..fc0aef03f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/activity/FilterListFragment.java
+++ b/astrid/src/main/java/com/todoroo/astrid/activity/FilterListFragment.java
@@ -41,6 +41,8 @@ import com.todoroo.astrid.api.AstridApiConstants;
 import com.todoroo.astrid.api.Filter;
 import com.todoroo.astrid.api.FilterListItem;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.filters.FilterCounter;
 import org.tasks.injection.InjectingListFragment;
@@ -57,6 +59,8 @@ import javax.inject.Inject;
  */
 public class FilterListFragment extends InjectingListFragment {
 
+    private static final Logger log = LoggerFactory.getLogger(FilterListFragment.class);
+
     public static final String TAG_FILTERLIST_FRAGMENT = "filterlist_fragment"; //$NON-NLS-1$
 
     public static final String TOKEN_LAST_SELECTED = "lastSelected"; //$NON-NLS-1$
@@ -170,6 +174,7 @@ public class FilterListFragment extends InjectingListFragment {
             getActivity().unregisterReceiver(refreshReceiver);
         } catch (IllegalArgumentException e) {
             // Might not have fully initialized
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/activity/TaskEditFragment.java b/astrid/src/main/java/com/todoroo/astrid/activity/TaskEditFragment.java
index 5c52b4de8..60722d5b9 100755
--- a/astrid/src/main/java/com/todoroo/astrid/activity/TaskEditFragment.java
+++ b/astrid/src/main/java/com/todoroo/astrid/activity/TaskEditFragment.java
@@ -606,6 +606,7 @@ ViewPager.OnPageChangeListener, EditNoteActivity.UpdatesChangedListener {
                 }
             } catch (Exception e) {
                 // oops, can't serialize
+                log.error(e.getMessage(), e);
             }
             model = TaskService.createWithValues(taskService, metadataService, tagService, values, null);
             getActivity().getIntent().putExtra(TOKEN_ID, model.getId());
@@ -872,6 +873,7 @@ ViewPager.OnPageChangeListener, EditNoteActivity.UpdatesChangedListener {
         try {
             AndroidUtilities.copyFile(src, dst);
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             Toast.makeText(getActivity(), R.string.file_err_copy, Toast.LENGTH_LONG).show();
             return;
         }
@@ -905,6 +907,7 @@ ViewPager.OnPageChangeListener, EditNoteActivity.UpdatesChangedListener {
 
             createNewFileAttachment(path, nameRef.get(), TaskAttachment.FILE_TYPE_IMAGE + "png");
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             Toast.makeText(getActivity(), R.string.file_err_copy, Toast.LENGTH_LONG).show();
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/activity/TaskListFragment.java b/astrid/src/main/java/com/todoroo/astrid/activity/TaskListFragment.java
index 8ed0fa4cc..6facd02d1 100644
--- a/astrid/src/main/java/com/todoroo/astrid/activity/TaskListFragment.java
+++ b/astrid/src/main/java/com/todoroo/astrid/activity/TaskListFragment.java
@@ -190,6 +190,7 @@ public class TaskListFragment extends InjectingListFragment implements OnSortSel
                 component = Class.forName(((FilterWithCustomIntent) filter).customTaskList.getClassName());
             } catch (Exception e) {
                 // Invalid
+                log.error(e.getMessage(), e);
             }
         }
         if (component == null) {
@@ -504,6 +505,7 @@ public class TaskListFragment extends InjectingListFragment implements OnSortSel
                             refresh();
                         } catch (IllegalStateException e) {
                             // view may have been destroyed
+                            log.error(e.getMessage(), e);
                         }
                     }
                 });
@@ -834,6 +836,7 @@ public class TaskListFragment extends InjectingListFragment implements OnSortSel
             // by a strange bug, but there seems to not be any negative side effect.
             // For now, we'll suppress the error
             // See http://astrid.com/home#tags-7tsoi/task-1119pk
+            log.error(e.getMessage(), e);
             return null;
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/adapter/FilterAdapter.java b/astrid/src/main/java/com/todoroo/astrid/adapter/FilterAdapter.java
index e827b24d0..8a098fd10 100644
--- a/astrid/src/main/java/com/todoroo/astrid/adapter/FilterAdapter.java
+++ b/astrid/src/main/java/com/todoroo/astrid/adapter/FilterAdapter.java
@@ -43,6 +43,8 @@ import com.todoroo.astrid.api.FilterListItem;
 import com.todoroo.astrid.api.FilterWithCustomIntent;
 import com.todoroo.astrid.api.FilterWithUpdate;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.filters.FilterCounter;
 import org.tasks.injection.Injector;
@@ -53,6 +55,8 @@ import java.util.regex.Pattern;
 
 public class FilterAdapter extends ArrayAdapter<Filter> {
 
+    private static final Logger log = LoggerFactory.getLogger(FilterAdapter.class);
+
     // --- style constants
 
     public int filterStyle = R.style.TextAppearance_FLA_Filter;
@@ -288,7 +292,7 @@ public class FilterAdapter extends ArrayAdapter<Filter> {
                     }
                 }
             } catch (Exception e) {
-                e.printStackTrace();
+                log.error(e.getMessage(), e);
             }
         }
 
@@ -465,6 +469,7 @@ public class FilterAdapter extends ArrayAdapter<Filter> {
                             }, null);
                         } catch (CanceledException e) {
                             // do nothing
+                            log.error(e.getMessage(), e);
                         }
                     }
                 });
diff --git a/astrid/src/main/java/com/todoroo/astrid/adapter/TaskAdapter.java b/astrid/src/main/java/com/todoroo/astrid/adapter/TaskAdapter.java
index ab44e7698..e52d3734d 100644
--- a/astrid/src/main/java/com/todoroo/astrid/adapter/TaskAdapter.java
+++ b/astrid/src/main/java/com/todoroo/astrid/adapter/TaskAdapter.java
@@ -65,6 +65,8 @@ import com.todoroo.astrid.tags.TaskToTagMetadata;
 import com.todoroo.astrid.ui.CheckableImageView;
 import com.todoroo.astrid.utility.Constants;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.preferences.ActivityPreferences;
 
@@ -84,6 +86,8 @@ import static org.tasks.date.DateTimeUtils.newDate;
  */
 public class TaskAdapter extends CursorAdapter implements Filterable {
 
+    private static final Logger log = LoggerFactory.getLogger(TaskAdapter.class);
+
     public interface OnCompletedTaskListener {
         public void onCompletedTask(Task item, boolean newState);
     }
@@ -565,6 +569,7 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
                             action.intent.send();
                         } catch (CanceledException e) {
                             // Oh well
+                            log.error(e.getMessage(), e);
                         }
                     }
                 }
@@ -632,6 +637,7 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
             try {
                 html = Html.fromHtml(string, imageGetter, null);
             } catch (RuntimeException e) {
+                log.error(e.getMessage(), e);
                 html = Spannable.Factory.getInstance().newSpannable(string);
             }
             htmlCache.put(string, html);
@@ -713,6 +719,7 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
                 }
             } catch (Exception e) {
                 // suppress silently
+                log.error(e.getMessage(), e);
             } finally {
                 fetchCursor.close();
             }
diff --git a/astrid/src/main/java/com/todoroo/astrid/alarms/AlarmService.java b/astrid/src/main/java/com/todoroo/astrid/alarms/AlarmService.java
index cd2ae0517..8da4ff119 100644
--- a/astrid/src/main/java/com/todoroo/astrid/alarms/AlarmService.java
+++ b/astrid/src/main/java/com/todoroo/astrid/alarms/AlarmService.java
@@ -135,6 +135,7 @@ public class AlarmService {
             }
         } catch (Exception e) {
             // suppress
+            log.error(e.getMessage(), e);
         } finally {
             cursor.close();
         }
@@ -154,7 +155,7 @@ public class AlarmService {
                 scheduleAlarm(alarm);
             }
         } catch (Exception e) {
-            log.info(e.getMessage(), e); //$NON-NLS-1$ //$NON-NLS-2$
+            log.error(e.getMessage(), e);
         } finally {
             cursor.close();
         }
diff --git a/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlExporter.java b/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlExporter.java
index d00ca17ef..9b948c02d 100644
--- a/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlExporter.java
+++ b/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlExporter.java
@@ -267,6 +267,7 @@ public class TasksXmlExporter {
                 xml.attribute(null, property.name, valueString);
             } catch (UnsupportedOperationException e) {
                 // didn't read this value, do nothing
+                log.error(e.getMessage(), e);
             } catch (IllegalArgumentException | IOException | IllegalStateException e) {
                 throw new RuntimeException(e);
             }
@@ -281,6 +282,7 @@ public class TasksXmlExporter {
                 xml.attribute(null, property.name, valueString);
             } catch (UnsupportedOperationException e) {
                 // didn't read this value, do nothing
+                log.error(e.getMessage(), e);
             } catch (IllegalArgumentException | IOException | IllegalStateException e) {
                 throw new RuntimeException(e);
             }
@@ -297,6 +299,7 @@ public class TasksXmlExporter {
                 xml.attribute(null, property.name, value);
             } catch (UnsupportedOperationException e) {
                 // didn't read this value, do nothing
+                log.error(e.getMessage(), e);
             } catch (IllegalArgumentException | IOException | IllegalStateException e) {
                 throw new RuntimeException(e);
             }
diff --git a/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlImporter.java b/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlImporter.java
index cb99b4b8f..19af4d078 100644
--- a/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlImporter.java
+++ b/astrid/src/main/java/com/todoroo/astrid/backup/TasksXmlImporter.java
@@ -113,6 +113,7 @@ public class TasksXmlImporter {
             }
         } catch (BadTokenException e) {
             // Running from a unit test or some such thing
+            log.error(e.getMessage(), e);
         }
 
         new Thread(new Runnable() {
diff --git a/astrid/src/main/java/com/todoroo/astrid/calls/MissedCallActivity.java b/astrid/src/main/java/com/todoroo/astrid/calls/MissedCallActivity.java
index 2714a04db..5dbe843cb 100644
--- a/astrid/src/main/java/com/todoroo/astrid/calls/MissedCallActivity.java
+++ b/astrid/src/main/java/com/todoroo/astrid/calls/MissedCallActivity.java
@@ -30,6 +30,8 @@ import com.todoroo.astrid.reminders.SnoozeDialog;
 import com.todoroo.astrid.service.StartupService;
 import com.todoroo.astrid.service.TaskService;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingActivity;
 import org.tasks.preferences.Preferences;
@@ -41,6 +43,8 @@ import javax.inject.Inject;
 
 public class MissedCallActivity extends InjectingActivity {
 
+    private static final Logger log = LoggerFactory.getLogger(MissedCallActivity.class);
+
     public static final String EXTRA_NUMBER = "number"; //$NON-NLS-1$
     public static final String EXTRA_NAME = "name"; //$NON-NLS-1$
     public static final String EXTRA_TIME = "time";  //$NON-NLS-1$
@@ -139,7 +143,7 @@ public class MissedCallActivity extends InjectingActivity {
            try {
                b = BitmapFactory.decodeStream(input);
            } catch (OutOfMemoryError e) {
-               //
+               log.error(e.getMessage(), e);
            }
            if (b != null) {
                pictureView.setImageBitmap(b);
diff --git a/astrid/src/main/java/com/todoroo/astrid/calls/PhoneStateChangedReceiver.java b/astrid/src/main/java/com/todoroo/astrid/calls/PhoneStateChangedReceiver.java
index 5f234fcc3..d051e63b3 100644
--- a/astrid/src/main/java/com/todoroo/astrid/calls/PhoneStateChangedReceiver.java
+++ b/astrid/src/main/java/com/todoroo/astrid/calls/PhoneStateChangedReceiver.java
@@ -77,6 +77,7 @@ public class PhoneStateChangedReceiver extends InjectingBroadcastReceiver {
                             Calls.DATE + " DESC"
                             );
                     } catch (Exception e) { // Sometimes database is locked, retry once
+                        log.error(e.getMessage(), e);
                         AndroidUtilities.sleepDeep(300L);
                         try {
                             calls = context.getContentResolver().query(
@@ -87,6 +88,7 @@ public class PhoneStateChangedReceiver extends InjectingBroadcastReceiver {
                                     Calls.DATE + " DESC"
                                     );
                         } catch (Exception e2) {
+                            log.error(e2.getMessage(), e2);
                             calls = null;
                         }
                     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/dao/Database.java b/astrid/src/main/java/com/todoroo/astrid/dao/Database.java
index d82e11dd7..d96e122dd 100644
--- a/astrid/src/main/java/com/todoroo/astrid/dao/Database.java
+++ b/astrid/src/main/java/com/todoroo/astrid/dao/Database.java
@@ -327,6 +327,7 @@ public class Database extends AbstractDatabase {
             database.execSQL(sql);
         } catch (SQLiteException e) {
             // ignored, column already exists
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/dao/TagMetadataDao.java b/astrid/src/main/java/com/todoroo/astrid/dao/TagMetadataDao.java
index dc9996c14..4b485074d 100644
--- a/astrid/src/main/java/com/todoroo/astrid/dao/TagMetadataDao.java
+++ b/astrid/src/main/java/com/todoroo/astrid/dao/TagMetadataDao.java
@@ -20,6 +20,8 @@ import com.todoroo.astrid.tags.TagMemberMetadata;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -37,6 +39,8 @@ import javax.inject.Singleton;
 @Singleton
 public class TagMetadataDao extends DatabaseDao<TagMetadata> {
 
+    private static final Logger log = LoggerFactory.getLogger(TagMetadataDao.class);
+
     private final TagDataDao tagDataDao;
 
     @Inject
@@ -132,7 +136,7 @@ public class TagMetadataDao extends DatabaseDao<TagMetadata> {
 
                 }
             } catch (JSONException e) {
-                //
+                log.error(e.getMessage(), e);
             }
             tagData.setMembers(""); //$NON-NLS-1$
             tagDataDao.saveExisting(tagData);
diff --git a/astrid/src/main/java/com/todoroo/astrid/dao/TaskDao.java b/astrid/src/main/java/com/todoroo/astrid/dao/TaskDao.java
index 09baa8bf8..8c1d566f1 100644
--- a/astrid/src/main/java/com/todoroo/astrid/dao/TaskDao.java
+++ b/astrid/src/main/java/com/todoroo/astrid/dao/TaskDao.java
@@ -21,6 +21,8 @@ import com.todoroo.astrid.data.Task;
 import com.todoroo.astrid.data.TaskApiDao;
 import com.todoroo.astrid.reminders.ReminderService;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.Broadcaster;
 import org.tasks.R;
 import org.tasks.notifications.NotificationManager;
@@ -38,6 +40,8 @@ import javax.inject.Singleton;
 @Singleton
 public class TaskDao extends RemoteModelDao<Task> {
 
+    private static final Logger log = LoggerFactory.getLogger(TaskDao.class);
+
     private final MetadataDao metadataDao;
     private final Broadcaster broadcaster;
     private final ReminderService reminderService;
@@ -168,6 +172,7 @@ public class TaskDao extends RemoteModelDao<Task> {
             try {
                 saveSuccessful = createNew(task);
             } catch (SQLiteConstraintException e) {
+                log.error(e.getMessage(), e);
                 saveSuccessful = handleSQLiteConstraintException(task); // Tried to create task with remote id that already exists
             }
         } else {
@@ -279,6 +284,7 @@ public class TaskDao extends RemoteModelDao<Task> {
         try {
             saveExisting(item);
         } catch (SQLiteConstraintException e) {
+            log.error(e.getMessage(), e);
             String uuid = item.getUUID();
             TodorooCursor<Task> tasksWithUUID = query(Query.select(
                     SQL_CONSTRAINT_MERGE_PROPERTIES).where(
diff --git a/astrid/src/main/java/com/todoroo/astrid/files/FileExplore.java b/astrid/src/main/java/com/todoroo/astrid/files/FileExplore.java
index a01a725c9..b74ea74b7 100644
--- a/astrid/src/main/java/com/todoroo/astrid/files/FileExplore.java
+++ b/astrid/src/main/java/com/todoroo/astrid/files/FileExplore.java
@@ -86,6 +86,7 @@ public class FileExplore extends Activity {
 		try {
 			path.mkdirs();
 		} catch (SecurityException e) {
+            log.error(e.getMessage(), e);
 		    DialogUtilities.okDialog(this, getString(R.string.file_browser_err_permissions), new DialogInterface.OnClickListener() {
                 @Override
                 public void onClick(DialogInterface dialog, int which) {
diff --git a/astrid/src/main/java/com/todoroo/astrid/files/FilesControlSet.java b/astrid/src/main/java/com/todoroo/astrid/files/FilesControlSet.java
index 038a90e4f..2f27af974 100644
--- a/astrid/src/main/java/com/todoroo/astrid/files/FilesControlSet.java
+++ b/astrid/src/main/java/com/todoroo/astrid/files/FilesControlSet.java
@@ -39,6 +39,8 @@ import com.todoroo.astrid.utility.Constants;
 import com.todoroo.astrid.voice.RecognizerApi;
 import com.todoroo.astrid.voice.RecognizerApi.PlaybackExceptionHandler;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.preferences.ActivityPreferences;
 
@@ -49,6 +51,8 @@ import static org.tasks.preferences.ResourceResolver.getResource;
 
 public class FilesControlSet extends PopupControlSet {
 
+    private static final Logger log = LoggerFactory.getLogger(FilesControlSet.class);
+
     private final ArrayList<TaskAttachment> files = new ArrayList<>();
     private final LinearLayout fileDisplayList;
     private final LayoutInflater inflater;
@@ -245,6 +249,7 @@ public class FilesControlSet extends PopupControlSet {
             intent.setDataAndType(Uri.fromFile(new File(file)), type);
             activity.startActivity(intent);
         } catch (ActivityNotFoundException e) {
+            log.error(e.getMessage(), e);
             handleActivityNotFound(type);
         }
     }
@@ -274,6 +279,7 @@ public class FilesControlSet extends PopupControlSet {
                     }
                     activity.startActivity(marketIntent);
                 } catch (ActivityNotFoundException anf) {
+                    log.error(anf.getMessage(), anf);
                     DialogUtilities.okDialog(activity,
                             activity.getString(R.string.market_unavailable),
                             null);
diff --git a/astrid/src/main/java/com/todoroo/astrid/gcal/CalendarAlarmReceiver.java b/astrid/src/main/java/com/todoroo/astrid/gcal/CalendarAlarmReceiver.java
index 040acd0fe..c447e0336 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gcal/CalendarAlarmReceiver.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gcal/CalendarAlarmReceiver.java
@@ -13,6 +13,8 @@ import com.todoroo.andlib.utility.AndroidUtilities;
 import com.todoroo.andlib.utility.DateUtilities;
 import com.todoroo.astrid.utility.Constants;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingBroadcastReceiver;
 import org.tasks.preferences.Preferences;
@@ -25,6 +27,8 @@ import javax.inject.Inject;
 
 public class CalendarAlarmReceiver extends InjectingBroadcastReceiver {
 
+    private static final Logger log = LoggerFactory.getLogger(CalendarAlarmReceiver.class);
+
     public static final int REQUEST_CODE_CAL_REMINDER = 100;
     public static final String BROADCAST_CALENDAR_REMINDER = Constants.PACKAGE + ".CALENDAR_EVENT";
 
@@ -66,8 +70,9 @@ public class CalendarAlarmReceiver extends InjectingBroadcastReceiver {
             if (eventId > 0) {
                 showCalReminder(context, eventId, fromPostpone);
             }
-        } catch (IllegalArgumentException e) { // Some cursor read failed, or badly formed uri
-            e.printStackTrace();
+        } catch (IllegalArgumentException e) {
+            // Some cursor read failed, or badly formed uri
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalControlSet.java b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalControlSet.java
index 5a10389be..d5136a46c 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalControlSet.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalControlSet.java
@@ -120,7 +120,7 @@ public class GCalControlSet extends PopupControlSet {
 
                 hasEvent = true;
             } catch (Exception e) {
-                log.error("unable-to-parse-calendar: {}", model.getCalendarURI(), e);
+                log.error("unable-to-parse-calendar: " + model.getCalendarURI(), e);
             }
         } else {
             hasEvent = false;
@@ -188,7 +188,7 @@ public class GCalControlSet extends PopupControlSet {
                 ContentResolver cr = activity.getContentResolver();
                 cr.update(calendarUri, updateValues, null, null);
             } catch (Exception e) {
-                log.error("unable-to-update-calendar: {}", task.getCalendarURI(), e);
+                log.error("unable-to-update-calendar: " + task.getCalendarURI(), e);
             }
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalHelper.java b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalHelper.java
index a7e0e68ed..8c16dc0ad 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalHelper.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalHelper.java
@@ -14,7 +14,6 @@ import android.database.CursorIndexOutOfBoundsException;
 import android.net.Uri;
 import android.text.TextUtils;
 import android.text.format.Time;
-import android.util.Log;
 
 import com.todoroo.andlib.utility.AndroidUtilities;
 import com.todoroo.andlib.utility.DateUtilities;
@@ -129,8 +128,7 @@ public class GCalHelper {
 
         } catch (Exception e) {
             // won't work on emulator
-            Log.v("astrid-gcal",
-                    "error-creating-calendar-event", e);
+            log.error(e.getMessage(), e);
         }
 
         return null;
@@ -161,6 +159,7 @@ public class GCalHelper {
             calendar.moveToFirst();
             return calendar.getString(0);
         } catch (CursorIndexOutOfBoundsException e) {
+            log.error(e.getMessage(), e);
             return null;
         } finally  {
             calendar.close();
diff --git a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalTaskCompleteListener.java b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalTaskCompleteListener.java
index 918354ec0..ae5db6a93 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gcal/GCalTaskCompleteListener.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gcal/GCalTaskCompleteListener.java
@@ -55,7 +55,7 @@ public class GCalTaskCompleteListener extends InjectingBroadcastReceiver {
                         task.getTitle()));
                 cr.update(Uri.parse(calendarUri), values, null, null);
             } catch (Exception e) {
-                log.error(e.getMessage(), e); //$NON-NLS-1$ //$NON-NLS-2$
+                log.error(e.getMessage(), e);
             }
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksListAdder.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksListAdder.java
index 515601890..9abfe8bda 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksListAdder.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksListAdder.java
@@ -19,6 +19,8 @@ import com.todoroo.astrid.data.StoreObject;
 import com.todoroo.astrid.gtasks.api.GtasksInvoker;
 import com.todoroo.astrid.gtasks.auth.GtasksTokenValidator;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingActivity;
 
@@ -28,6 +30,8 @@ import javax.inject.Inject;
 
 public class GtasksListAdder extends InjectingActivity {
 
+    private static final Logger log = LoggerFactory.getLogger(GtasksListAdder.class);
+
     @Inject GtasksPreferenceService gtasksPreferenceService;
     @Inject GtasksListService gtasksListService;
     @Inject GtasksTokenValidator gtasksTokenValidator;
@@ -71,6 +75,7 @@ public class GtasksListAdder extends InjectingActivity {
                                 }
 
                             } catch (IOException e) {
+                                log.error(e.getMessage(), e);
                                 DialogUtilities.okDialog(activity, activity.getString(R.string.gtasks_FEx_create_list_error), null);
                             } finally {
                                 pd.dismiss();
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksScheduler.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksScheduler.java
index 388025b11..a405baadd 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksScheduler.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksScheduler.java
@@ -43,6 +43,7 @@ public class GtasksScheduler {
             syncFrequencySeconds = preferences.getIntegerFromString(
                     gtasksPreferenceService.getSyncIntervalKey(), -1);
         } catch(ClassCastException e) {
+            log.error(e.getMessage(), e);
             preferences.setStringFromInteger(gtasksPreferenceService.getSyncIntervalKey(), 0);
         }
         if(syncFrequencySeconds <= 0) {
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksApiUtilities.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksApiUtilities.java
index 77c52af89..a8559a3d4 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksApiUtilities.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksApiUtilities.java
@@ -7,6 +7,9 @@ package com.todoroo.astrid.gtasks.api;
 
 import com.google.api.client.util.DateTime;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.util.Date;
 import java.util.TimeZone;
 
@@ -14,6 +17,8 @@ import static org.tasks.date.DateTimeUtils.newDate;
 
 public class GtasksApiUtilities {
 
+    private static final Logger log = LoggerFactory.getLogger(GtasksApiUtilities.class);
+
     public static DateTime unixTimeToGtasksCompletionTime(long time) {
         if (time < 0) {
             return null;
@@ -57,6 +62,7 @@ public class GtasksApiUtilities {
             Date returnDate = newDate(date.getTime() + date.getTimezoneOffset() * 60000);
             return returnDate.getTime();
         } catch (NumberFormatException e) {
+            log.error(e.getMessage(), e);
             return 0;
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksInvoker.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksInvoker.java
index 9af44163e..5bce2b03f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksInvoker.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/GtasksInvoker.java
@@ -58,20 +58,18 @@ public class GtasksInvoker {
         if (e instanceof HttpResponseException) {
             HttpResponseException h = (HttpResponseException)e;
             int statusCode = h.getResponse().getStatusCode();
+            log.error(statusCode + ": " + h.getResponse().getStatusMessage(), e);
             if (statusCode == 401 || statusCode == 403) {
-                System.err.println("Encountered " + statusCode + " error");
                 token = gtasksTokenValidator.validateAuthToken(ContextManager.getContext(), token);
                 if (token != null) {
                     accessProtectedResource.setAccessToken(token);
                 }
-            } else if (statusCode == 503) { // 503 errors are generally either 1) quota limit reached or 2) problems on Google's end
-                log.error("503: {}", e.getMessage(), e);
             } else if (statusCode == 400 || statusCode == 500) {
-                System.err.println("Encountered " + statusCode + " error");
-                System.err.println(h.getResponse().getStatusMessage());
-                h.printStackTrace();
                 throw h;
             }
+            // 503 errors are generally either 1) quota limit reached or 2) problems on Google's end
+        } else {
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/PushRequest.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/PushRequest.java
index bc5ebea79..5be7b9b80 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/api/PushRequest.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/api/PushRequest.java
@@ -7,6 +7,9 @@ package com.todoroo.astrid.gtasks.api;
 
 import com.google.api.services.tasks.model.Task;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 
 /**
@@ -15,6 +18,9 @@ import java.io.IOException;
  *
  */
 public abstract class PushRequest {
+
+    private static final Logger log = LoggerFactory.getLogger(PushRequest.class);
+
     protected String listId;
     protected Task toPush;
     protected GtasksInvoker service;
@@ -29,6 +35,7 @@ public abstract class PushRequest {
         try {
             return executePush();
         } catch (IOException e) {
+            log.error(e.getMessage(), e);
             recover();
             return executePush();
         }
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/auth/GtasksTokenValidator.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/auth/GtasksTokenValidator.java
index 88d2cc3a0..d769e1dcd 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/auth/GtasksTokenValidator.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/auth/GtasksTokenValidator.java
@@ -19,6 +19,8 @@ import com.todoroo.astrid.gtasks.GtasksPreferenceService;
 import com.todoroo.astrid.gtasks.api.GoogleTasksException;
 import com.todoroo.astrid.gtasks.api.GtasksInvoker;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 
 import java.io.IOException;
@@ -29,6 +31,8 @@ import javax.inject.Singleton;
 @Singleton
 public class GtasksTokenValidator {
 
+    private static final Logger log = LoggerFactory.getLogger(GtasksTokenValidator.class);
+
     private static final String TOKEN_INTENT_RECEIVED = "intent!"; //$NON-NLS-1$
 
     private static final int REVALIDATION_TRIES = 4;
@@ -82,6 +86,7 @@ public class GtasksTokenValidator {
             testService.ping();
             return true;
         } catch (IOException i) {
+            log.error(i.getMessage(), i);
             return false;
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncService.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncService.java
index bcb6ba95a..319599489 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncService.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncService.java
@@ -7,7 +7,6 @@ package com.todoroo.astrid.gtasks.sync;
 
 import android.content.ContentValues;
 import android.text.TextUtils;
-import android.util.Log;
 
 import com.todoroo.andlib.data.DatabaseDao.ModelUpdateListener;
 import com.todoroo.andlib.data.Property;
@@ -29,6 +28,9 @@ import com.todoroo.astrid.gtasks.auth.GtasksTokenValidator;
 import com.todoroo.astrid.service.MetadataService;
 import com.todoroo.astrid.service.TaskService;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.Semaphore;
@@ -39,6 +41,8 @@ import javax.inject.Singleton;
 @Singleton
 public class GtasksSyncService {
 
+    private static final Logger log = LoggerFactory.getLogger(GtasksSyncService.class);
+
     private static final String DEFAULT_LIST = "@default"; //$NON-NLS-1$
 
     private final MetadataService metadataService;
@@ -155,13 +159,14 @@ public class GtasksSyncService {
                 try {
                     op = queue.take();
                 } catch (InterruptedException e) {
+                    log.error(e.getMessage(), e);
                     continue;
                 }
                 try {
                     GtasksInvoker invoker = new GtasksInvoker(gtasksTokenValidator, gtasksPreferenceService.getToken());
                     op.op(invoker);
                 } catch (IOException e) {
-                    Log.w("gtasks-sync-error", "Sync on save failed", e);
+                    log.error(e.getMessage(), e);
                 }
             }
         }
@@ -174,6 +179,7 @@ public class GtasksSyncService {
             sema.acquire();
         } catch (InterruptedException e) {
             // Ignored
+            log.error(e.getMessage(), e);
         }
     }
 
@@ -230,7 +236,7 @@ public class GtasksSyncService {
                     invoker.deleteGtask(gtasksMetadata.getValue(GtasksMetadata.LIST_ID), gtasksMetadata.getValue(GtasksMetadata.ID));
                     metadataDao.delete(gtasksMetadata.getId());
                 } catch (IOException e) {
-                    //
+                    log.error(e.getMessage(), e);
                 }
             }
             return;
diff --git a/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncV2Provider.java b/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncV2Provider.java
index 9f2223092..e5c1bbad0 100644
--- a/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncV2Provider.java
+++ b/astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncV2Provider.java
@@ -37,6 +37,8 @@ import com.todoroo.astrid.service.TaskService;
 import com.todoroo.astrid.sync.SyncResultCallback;
 import com.todoroo.astrid.sync.SyncV2Provider;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.ForApplication;
 import org.tasks.preferences.Preferences;
@@ -56,6 +58,8 @@ import static org.tasks.date.DateTimeUtils.newDate;
 @Singleton
 public class GtasksSyncV2Provider extends SyncV2Provider {
 
+    private static final Logger log = LoggerFactory.getLogger(GtasksSyncV2Provider.class);
+
     private final TaskService taskService;
     private final MetadataService metadataService;
     private final StoreObjectDao storeObjectDao;
@@ -218,6 +222,7 @@ public class GtasksSyncV2Provider extends SyncV2Provider {
                 gtasksPreferenceService.setToken(authToken);
             }
         } catch (GoogleTasksException e) {
+            log.error(e.getMessage(), e);
             authToken = null;
         }
         return authToken;
@@ -285,6 +290,8 @@ public class GtasksSyncV2Provider extends SyncV2Provider {
         } catch (IOException e) {
             if (errorHandler != null) {
                 errorHandler.handleException("gtasks-sync-io", e); //$NON-NLS-1$
+            } else {
+                log.error(e.getMessage(), e);
             }
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/helper/MetadataHelper.java b/astrid/src/main/java/com/todoroo/astrid/helper/MetadataHelper.java
index f807a4e26..c918493ed 100644
--- a/astrid/src/main/java/com/todoroo/astrid/helper/MetadataHelper.java
+++ b/astrid/src/main/java/com/todoroo/astrid/helper/MetadataHelper.java
@@ -8,10 +8,16 @@ package com.todoroo.astrid.helper;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * @author joshuagross
  */
 public class MetadataHelper {
+
+    private static final Logger log = LoggerFactory.getLogger(MetadataHelper.class);
+
     private static final String CATEGORY_KEY = "category"; //$NON-NLS-1$
 
     public static String resolveActivityCategoryName (ResolveInfo resolveInfo, PackageManager pm) {
@@ -27,7 +33,7 @@ public class MetadataHelper {
                             resolveInfo.activityInfo.applicationInfo).getString(
                             resource);
                 } catch (Exception e) {
-                    //
+                    log.error(e.getMessage(), e);
                 }
             } else {
                 // category stored as String in Manifest
diff --git a/astrid/src/main/java/com/todoroo/astrid/helper/SyncActionHelper.java b/astrid/src/main/java/com/todoroo/astrid/helper/SyncActionHelper.java
index 8b0eb719d..187cabb58 100644
--- a/astrid/src/main/java/com/todoroo/astrid/helper/SyncActionHelper.java
+++ b/astrid/src/main/java/com/todoroo/astrid/helper/SyncActionHelper.java
@@ -112,7 +112,7 @@ public class SyncActionHelper {
                 SyncAction syncAction = extras.getParcelable(AstridApiConstants.EXTRAS_RESPONSE);
                 syncActions.add(syncAction);
             } catch (Exception e) {
-                log.error("receive-sync-action-{}", intent.getStringExtra(AstridApiConstants.EXTRAS_ADDON), e);
+                log.error("receive-sync-action-" + intent.getStringExtra(AstridApiConstants.EXTRAS_ADDON), e);
             }
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/provider/Astrid2TaskProvider.java b/astrid/src/main/java/com/todoroo/astrid/provider/Astrid2TaskProvider.java
index 0a58c96f1..7e9548d15 100644
--- a/astrid/src/main/java/com/todoroo/astrid/provider/Astrid2TaskProvider.java
+++ b/astrid/src/main/java/com/todoroo/astrid/provider/Astrid2TaskProvider.java
@@ -138,6 +138,7 @@ public class Astrid2TaskProvider extends InjectingContentProvider {
         try {
             m = MessageDigest.getInstance("MD5");
         } catch (NoSuchAlgorithmException e) {
+            log.error(e.getMessage(), e);
             return -1;
         }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/reminders/ReminderService.java b/astrid/src/main/java/com/todoroo/astrid/reminders/ReminderService.java
index f22ca28a8..8d47e6160 100644
--- a/astrid/src/main/java/com/todoroo/astrid/reminders/ReminderService.java
+++ b/astrid/src/main/java/com/todoroo/astrid/reminders/ReminderService.java
@@ -23,6 +23,8 @@ import com.todoroo.astrid.dao.TaskDao.TaskCriteria;
 import com.todoroo.astrid.data.Task;
 
 import org.joda.time.DateTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.ForApplication;
 import org.tasks.preferences.Preferences;
@@ -45,6 +47,8 @@ import static org.tasks.date.DateTimeUtils.newDate;
 @Singleton
 public final class ReminderService  {
 
+    private static final Logger log = LoggerFactory.getLogger(ReminderService.class);
+
     // --- constants
 
     public static final Property<?>[] NOTIFICATION_PROPERTIES = new Property<?>[] {
@@ -127,6 +131,7 @@ public final class ReminderService  {
             }
         } catch (Exception e) {
             // suppress
+            log.error(e.getMessage(), e);
         } finally {
             cursor.close();
             now = -1; // Signal done with now variable
@@ -438,6 +443,7 @@ public final class ReminderService  {
             try {
                 requestCode = Integer.parseInt(rc);
             } catch (Exception e) {
+                log.error(e.getMessage(), e);
                 requestCode = type;
             }
             AlarmManager am = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
diff --git a/astrid/src/main/java/com/todoroo/astrid/reminders/ShowNotificationReceiver.java b/astrid/src/main/java/com/todoroo/astrid/reminders/ShowNotificationReceiver.java
index 2dbea155e..e94ae4783 100644
--- a/astrid/src/main/java/com/todoroo/astrid/reminders/ShowNotificationReceiver.java
+++ b/astrid/src/main/java/com/todoroo/astrid/reminders/ShowNotificationReceiver.java
@@ -15,6 +15,8 @@ import com.todoroo.astrid.utility.Flags;
 import com.todoroo.astrid.voice.VoiceOutputAssistant;
 
 import org.joda.time.DateTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingBroadcastReceiver;
 import org.tasks.notifications.NotificationManager;
@@ -35,6 +37,8 @@ import static org.tasks.date.DateTimeUtils.currentTimeMillis;
  */
 public class ShowNotificationReceiver extends InjectingBroadcastReceiver {
 
+    private static final Logger log = LoggerFactory.getLogger(ShowNotificationReceiver.class);
+
     private static ExecutorService singleThreadVoicePool = Executors.newSingleThreadExecutor();
     private static long lastNotificationSound = 0L;
 
@@ -253,6 +257,7 @@ public class ShowNotificationReceiver extends InjectingBroadcastReceiver {
                     }
                 } catch (VerifyError e) {
                     // unavailable
+                    log.error(e.getMessage(), e);
                 }
             }
         }
diff --git a/astrid/src/main/java/com/todoroo/astrid/repeats/RepeatDetailExposer.java b/astrid/src/main/java/com/todoroo/astrid/repeats/RepeatDetailExposer.java
index ba60fa6a7..23a59286d 100644
--- a/astrid/src/main/java/com/todoroo/astrid/repeats/RepeatDetailExposer.java
+++ b/astrid/src/main/java/com/todoroo/astrid/repeats/RepeatDetailExposer.java
@@ -16,6 +16,8 @@ import com.todoroo.astrid.api.AstridApiConstants;
 import com.todoroo.astrid.data.Task;
 import com.todoroo.astrid.service.TaskService;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.InjectingBroadcastReceiver;
 
@@ -33,6 +35,8 @@ import javax.inject.Inject;
  */
 public class RepeatDetailExposer extends InjectingBroadcastReceiver {
 
+    private static final Logger log = LoggerFactory.getLogger(RepeatDetailExposer.class);
+
     @Inject TaskService taskService;
 
     @Override
@@ -72,7 +76,7 @@ public class RepeatDetailExposer extends InjectingBroadcastReceiver {
             try {
                 rrule = new RRule(recurrence);
             } catch (ParseException e) {
-                System.err.println(e.toString());
+                log.error(e.getMessage(), e);
                 return null;
             }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/service/StartupService.java b/astrid/src/main/java/com/todoroo/astrid/service/StartupService.java
index ca6bc8561..9041b38c4 100644
--- a/astrid/src/main/java/com/todoroo/astrid/service/StartupService.java
+++ b/astrid/src/main/java/com/todoroo/astrid/service/StartupService.java
@@ -16,7 +16,6 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.database.sqlite.SQLiteException;
 import android.media.AudioManager;
-import android.util.Log;
 import android.widget.Toast;
 
 import com.todoroo.andlib.data.AbstractDatabase;
@@ -241,6 +240,7 @@ public class StartupService {
                 tasks.close();
             }
         } catch (SQLiteException e) {
+            log.error(e.getMessage(), e);
             database.tryAddColumn(Task.TABLE, Task.UUID, "'0'"); //$NON-NLS-1$
             database.tryAddColumn(Task.TABLE, Task.USER_ID, "0"); //$NON-NLS-1$
         }
@@ -265,7 +265,7 @@ public class StartupService {
                 }
             }
         } catch (Exception e) {
-            Log.w("astrid-database-restore", e); //$NON-NLS-1$
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/service/UpdateScreenFlow.java b/astrid/src/main/java/com/todoroo/astrid/service/UpdateScreenFlow.java
index a166f27d8..0bffc07c3 100644
--- a/astrid/src/main/java/com/todoroo/astrid/service/UpdateScreenFlow.java
+++ b/astrid/src/main/java/com/todoroo/astrid/service/UpdateScreenFlow.java
@@ -5,10 +5,15 @@ import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.os.Bundle;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.util.ArrayList;
 
 public class UpdateScreenFlow extends Activity {
 
+    private static final Logger log = LoggerFactory.getLogger(UpdateScreenFlow.class);
+
     public static final String TOKEN_SCREENS = "token_screens"; //$NON-NLS-1$
     private static final int REQUEST_CODE_SCREEN_FLOW = 5;
 
@@ -49,7 +54,7 @@ public class UpdateScreenFlow extends Activity {
             Intent intent = new Intent(this, activityClass);
             startActivityForResult(intent, REQUEST_CODE_SCREEN_FLOW);
         } catch (ClassNotFoundException | ActivityNotFoundException e) {
-            e.printStackTrace();
+            log.error(e.getMessage(), e);
             finish();
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/subtasks/SubtasksHelper.java b/astrid/src/main/java/com/todoroo/astrid/subtasks/SubtasksHelper.java
index 0ea333ae6..40686f777 100644
--- a/astrid/src/main/java/com/todoroo/astrid/subtasks/SubtasksHelper.java
+++ b/astrid/src/main/java/com/todoroo/astrid/subtasks/SubtasksHelper.java
@@ -170,7 +170,9 @@ public class SubtasksHelper {
                 Long localId = -1L;
                 try {
                     localId = Long.parseLong(uuid);
-                } catch (NumberFormatException e) {/**/}
+                } catch (NumberFormatException e) {
+                    log.error(e.getMessage(), e);
+                }
                 return localId;
             }
         });
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/DateChangedAlerts.java b/astrid/src/main/java/com/todoroo/astrid/ui/DateChangedAlerts.java
index 78418722e..b31acf81f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/DateChangedAlerts.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/DateChangedAlerts.java
@@ -34,6 +34,8 @@ import com.todoroo.astrid.service.TaskService;
 import com.todoroo.astrid.ui.DateAndTimeDialog.DateAndTimeDialogListener;
 import com.todoroo.astrid.utility.Flags;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.preferences.ActivityPreferences;
 
@@ -50,6 +52,8 @@ import static org.tasks.date.DateTimeUtils.newDate;
  */
 public class DateChangedAlerts {
 
+    private static final Logger log = LoggerFactory.getLogger(DateChangedAlerts.class);
+
     /** Preference key for how many of these helper dialogs we've shown */
     private static final String PREF_NUM_HELPERS_SHOWN = "pref_num_date_helpers"; //$NON-NLS-1$
 
@@ -345,6 +349,7 @@ public class DateChangedAlerts {
 
         } catch (ParseException e) {
             // Eh
+            log.error(e.getMessage(), e);
         }
         return "";
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/DraggableListView.java b/astrid/src/main/java/com/todoroo/astrid/ui/DraggableListView.java
index 0b6936fb9..17dbf7c90 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/DraggableListView.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/DraggableListView.java
@@ -40,10 +40,14 @@ import com.commonsware.cwac.tlv.TouchListView.GrabberClickListener;
 import com.commonsware.cwac.tlv.TouchListView.SwipeListener;
 import com.todoroo.astrid.utility.Flags;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 
 public class DraggableListView extends ListView {
 
+    private static final Logger log = LoggerFactory.getLogger(DraggableListView.class);
+
     private static final int SWIPE_THRESHOLD = 40;
 
     private static final int MOVEMENT_THRESHOLD = 30;
@@ -338,6 +342,7 @@ public class DraggableListView extends ListView {
 
             } catch (InterruptedException e) {
                 // bye!
+                log.error(e.getMessage(), e);
             }
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingEditText.java b/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingEditText.java
index a28300839..f093cb5ab 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingEditText.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingEditText.java
@@ -9,8 +9,13 @@ import android.content.Context;
 import android.util.AttributeSet;
 import android.widget.EditText;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class ErrorCatchingEditText extends EditText {
 
+    private static final Logger log = LoggerFactory.getLogger(ErrorCatchingEditText.class);
+
     public ErrorCatchingEditText(Context context, AttributeSet attrs,
             int defStyle) {
         super(context, attrs, defStyle);
@@ -32,6 +37,7 @@ public class ErrorCatchingEditText extends EditText {
 	    try {
             return super.getExtendedPaddingTop();
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             return 0;
         }
 	}
@@ -41,6 +47,7 @@ public class ErrorCatchingEditText extends EditText {
 	    try {
             return super.getExtendedPaddingBottom();
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             return 0;
         }
 	}
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingSpinner.java b/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingSpinner.java
index e8abebc14..15bc1382f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingSpinner.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/ErrorCatchingSpinner.java
@@ -9,8 +9,13 @@ import android.content.Context;
 import android.util.AttributeSet;
 import android.widget.Spinner;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class ErrorCatchingSpinner extends Spinner {
 
+    private static final Logger log = LoggerFactory.getLogger(ErrorCatchingSpinner.class);
+
     public ErrorCatchingSpinner(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
@@ -21,6 +26,7 @@ public class ErrorCatchingSpinner extends Spinner {
             super.onDetachedFromWindow();
         } catch (IllegalArgumentException e) {
             // Bad times
+            log.error(e.getMessage(), e);
         }
     }
 
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/MultilineListPreference.java b/astrid/src/main/java/com/todoroo/astrid/ui/MultilineListPreference.java
index c24d3cea9..bebe0cc0f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/MultilineListPreference.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/MultilineListPreference.java
@@ -10,7 +10,13 @@ import android.preference.ListPreference;
 import android.util.AttributeSet;
 import android.view.View;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class MultilineListPreference extends ListPreference {
+
+    private static final Logger log = LoggerFactory.getLogger(MultilineListPreference.class);
+
     public MultilineListPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
@@ -21,6 +27,7 @@ public class MultilineListPreference extends ListPreference {
             super.onBindView(view);
         } catch (Exception e) {
             // happens on 4.0 emulators
+            log.error(e.getMessage(), e);
         }
         MultilineHelper.makeMultiline(view);
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/ui/NumberPicker.java b/astrid/src/main/java/com/todoroo/astrid/ui/NumberPicker.java
index 7cba6c9f9..f32eb3e2f 100644
--- a/astrid/src/main/java/com/todoroo/astrid/ui/NumberPicker.java
+++ b/astrid/src/main/java/com/todoroo/astrid/ui/NumberPicker.java
@@ -25,11 +25,15 @@ import android.widget.TextView;
 
 import com.todoroo.andlib.utility.AndroidUtilities;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 
 public class NumberPicker extends LinearLayout implements OnClickListener,
         OnFocusChangeListener, OnLongClickListener {
 
+    private static final Logger log = LoggerFactory.getLogger(NumberPicker.class);
+
     public interface OnChangedListener {
         /** return new value */
         int onChanged(int newVal);
@@ -385,6 +389,7 @@ public class NumberPicker extends LinearLayout implements OnClickListener,
         try {
             return Integer.parseInt(str);
         } catch (NumberFormatException e) {
+            log.error(e.getMessage(), e);
             return mStart;
         }
     }
diff --git a/astrid/src/main/java/com/todoroo/astrid/utility/TitleParser.java b/astrid/src/main/java/com/todoroo/astrid/utility/TitleParser.java
index 4eebd0079..ff5e187b5 100644
--- a/astrid/src/main/java/com/todoroo/astrid/utility/TitleParser.java
+++ b/astrid/src/main/java/com/todoroo/astrid/utility/TitleParser.java
@@ -14,6 +14,9 @@ import com.mdimension.jchronic.Chronic;
 import com.todoroo.astrid.data.Task;
 import com.todoroo.astrid.tags.TagService;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.HashMap;
@@ -24,6 +27,8 @@ import java.util.regex.Pattern;
 
 public class TitleParser {
 
+    private static final Logger log = LoggerFactory.getLogger(TitleParser.class);
+
     public static boolean parse(TagService tagService, Task task, ArrayList<String> tags) {
         boolean markup;
         markup = repeatHelper(task);
@@ -448,6 +453,7 @@ public class TitleParser {
                     interval = Integer.parseInt(intervalStr);
                 } catch (NumberFormatException e) {
                     // Ah well
+                    log.error(e.getMessage(), e);
                 }
             }
         }
diff --git a/astrid/src/main/java/com/todoroo/astrid/voice/RecognizerApi.java b/astrid/src/main/java/com/todoroo/astrid/voice/RecognizerApi.java
index d5d3f7af0..5a7a6c26b 100644
--- a/astrid/src/main/java/com/todoroo/astrid/voice/RecognizerApi.java
+++ b/astrid/src/main/java/com/todoroo/astrid/voice/RecognizerApi.java
@@ -11,7 +11,9 @@ import android.os.Bundle;
 import android.speech.RecognitionListener;
 import android.speech.RecognizerIntent;
 import android.speech.SpeechRecognizer;
-import android.util.Log;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -20,6 +22,8 @@ import java.util.ArrayList;
 @TargetApi(8)
 public class RecognizerApi implements RecognitionListener {
 
+    private static final Logger log = LoggerFactory.getLogger(RecognizerApi.class);
+
     public static interface PlaybackExceptionHandler {
         public void playbackFailed();
     }
@@ -52,6 +56,7 @@ public class RecognizerApi implements RecognitionListener {
             mediaPlayer.prepare();
             mediaPlayer.start();
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             handler.playbackFailed();
         }
     }
@@ -113,7 +118,7 @@ public class RecognizerApi implements RecognitionListener {
             try {
                 baos.write(buffer);
             } catch (IOException e) {
-                //
+                log.error(e.getMessage(), e);
             }
         }
     }
@@ -140,10 +145,10 @@ public class RecognizerApi implements RecognitionListener {
 
     @Override
     public void onError(int error) {
+        log.error("Error code " + error, new RuntimeException());
         if (mListener != null) {
             mListener.onSpeechError(error);
         }
-        Log.w("Speech Error", "Error code: " + error);
     }
 
     @Override
diff --git a/astrid/src/main/java/com/todoroo/astrid/voice/VoiceInputAssistant.java b/astrid/src/main/java/com/todoroo/astrid/voice/VoiceInputAssistant.java
index ff48bbfc6..791d443ab 100644
--- a/astrid/src/main/java/com/todoroo/astrid/voice/VoiceInputAssistant.java
+++ b/astrid/src/main/java/com/todoroo/astrid/voice/VoiceInputAssistant.java
@@ -207,6 +207,7 @@ public class VoiceInputAssistant {
                 }
                 activity.startActivity(marketIntent);
             } catch (ActivityNotFoundException ane) {
+                log.error(ane.getMessage(), ane);
                 DialogUtilities.okDialog(activity,
                         activity.getString(R.string.EPr_marketUnavailable_dlg),
                         onFail);
diff --git a/astrid/src/main/java/com/todoroo/astrid/widget/WidgetUpdateService.java b/astrid/src/main/java/com/todoroo/astrid/widget/WidgetUpdateService.java
index aea9ffb0e..e9c825965 100644
--- a/astrid/src/main/java/com/todoroo/astrid/widget/WidgetUpdateService.java
+++ b/astrid/src/main/java/com/todoroo/astrid/widget/WidgetUpdateService.java
@@ -78,6 +78,7 @@ public class WidgetUpdateService extends InjectingService {
                 }
             } catch (RuntimeException e) {
                 // "System server dead" was sometimes thrown here by the OS. Abort if that happens
+                log.error(e.getMessage(), e);
             }
         } else {
             RemoteViews updateViews = buildUpdate(this, extrasId);
diff --git a/astrid/src/main/java/org/tasks/preferences/Preferences.java b/astrid/src/main/java/org/tasks/preferences/Preferences.java
index f9a7295df..8bdc09b74 100644
--- a/astrid/src/main/java/org/tasks/preferences/Preferences.java
+++ b/astrid/src/main/java/org/tasks/preferences/Preferences.java
@@ -9,6 +9,8 @@ import com.todoroo.astrid.api.AstridApiConstants;
 import com.todoroo.astrid.core.SortHelper;
 import com.todoroo.astrid.utility.AstridDefaultPreferenceSpec;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.tasks.R;
 import org.tasks.injection.ForApplication;
 
@@ -18,6 +20,8 @@ import static android.content.SharedPreferences.Editor;
 
 public class Preferences {
 
+    private static final Logger log = LoggerFactory.getLogger(Preferences.class);
+
     private static final String P_CURRENT_VERSION = "cv"; //$NON-NLS-1$
     private static final String P_CURRENT_VERSION_NAME = "cvname"; //$NON-NLS-1$
 
@@ -91,6 +95,7 @@ public class Preferences {
         try {
             return Integer.parseInt(value);
         } catch (Exception e) {
+            log.error(e.getMessage(), e);
             return defaultValue;
         }
     }
@@ -115,6 +120,7 @@ public class Preferences {
         try {
             return prefs.getBoolean(key, defValue);
         } catch (ClassCastException e) {
+            log.error(e.getMessage(), e);
             return defValue;
         }
     }