Add debug logging preference

astrid/src/main/assets/logback.xml

@@ -5,7 +5,7 @@
         </encoder>
     </appender>
 
-    <root level="WARN">
+    <root level="INFO">
         <appender-ref ref="LOGCAT"/>
     </root>
 </configuration>

astrid/src/main/java/com/todoroo/astrid/activity/EditPreferences.java

@@ -421,6 +421,14 @@ public class EditPreferences extends TodorooPreferenceActivity {
             }
         });
 
+        findPreference(getString(R.string.p_debug_logging)).setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                preferences.setupLogger((boolean) newValue);
+                return true;
+            }
+        });
+
         if (AndroidUtilities.getSdkVersion() <= 7) {
             searchForAndRemovePreference(getPreferenceScreen(), getString(R.string.p_calendar_reminders));
         } else {

astrid/src/main/java/org/tasks/Tasks.java

@@ -16,7 +16,6 @@ import com.todoroo.astrid.gtasks.GtasksPreferenceService;
 import com.todoroo.astrid.gtasks.GtasksTaskListUpdater;
 import com.todoroo.astrid.gtasks.sync.GtasksSyncService;
 import com.todoroo.astrid.service.MetadataService;
-import org.tasks.sync.SyncThrottle;
 import com.todoroo.astrid.service.SyncV2Service;
 import com.todoroo.astrid.service.TagDataService;
 import com.todoroo.astrid.service.TaskService;
@@ -25,7 +24,9 @@ import com.todoroo.astrid.tags.TagService;
 
 import org.tasks.filters.FilterCounter;
 import org.tasks.injection.InjectingApplication;
+import org.tasks.preferences.Preferences;
 import org.tasks.scheduling.RefreshScheduler;
+import org.tasks.sync.SyncThrottle;
 
 import javax.inject.Inject;
 
@@ -56,11 +57,14 @@ public class Tasks extends InjectingApplication {
     @Inject FilterCounter filterCounter;
     @Inject RefreshScheduler refreshScheduler;
     @Inject SyncThrottle syncThrottle;
+    @Inject Preferences preferences;
 
     @Override
     public void onCreate() {
         super.onCreate();
 
+        preferences.setupLogger();
+
         ContextManager.setContext(this);
     }
 }

astrid/src/main/java/org/tasks/preferences/Preferences.java

@@ -16,6 +16,8 @@ import org.tasks.injection.ForApplication;
 
 import javax.inject.Inject;
 
+import ch.qos.logback.classic.Level;
+
 import static android.content.SharedPreferences.Editor;
 
 public class Preferences {
@@ -213,4 +215,17 @@ public class Preferences {
     public boolean isDarkWidgetTheme() {
         return getBoolean(R.string.p_use_dark_theme_widget, false);
     }
+
+    public void setupLogger() {
+        setupLogger(getBoolean(R.string.p_debug_logging, false));
+    }
+
+    public void setupLogger(boolean enableDebugLogging) {
+        try {
+            ((ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME))
+                    .setLevel(enableDebugLogging ? Level.DEBUG : Level.INFO);
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        }
+    }
 }

astrid/src/main/res/values/keys.xml

@@ -279,6 +279,7 @@
   <string name="TEA_ctrl_share_pref">TEA_ctrl_share_pref</string>
     <string name="p_use_dark_theme">use_dark_theme</string>
     <string name="p_use_dark_theme_widget">use_dark_theme_widget</string>
+    <string name="p_debug_logging">debug_logging</string>
     <!-- Deprecated -->
 
   <string-array name="TEA_control_sets_prefs">

astrid/src/main/res/values/strings-core.xml

@@ -523,6 +523,7 @@
   <string name="EPr_cal_end_or_start_at_due_time">Calendar event time</string>
   <string name="EPr_cal_end_at_due_time">End calendar events at due time</string>
   <string name="EPr_cal_start_at_due_time">Start calendar events at due time</string>
+    <string name="EPr_enable_debug_logging">Enable debug logging</string>
 
   <string-array name="EPr_default_reminders_mode">
       <!-- reminders duration: labels for "Task Defaults" preference item. -->

astrid/src/main/res/xml/preferences_misc.xml

@@ -24,5 +24,9 @@
 	    <CheckBoxPreference
 	        android:title="@string/EPr_cal_end_or_start_at_due_time"
 	        android:key = "@string/p_end_at_deadline" />
+
+        <CheckBoxPreference
+            android:title="@string/EPr_enable_debug_logging"
+            android:key="@string/p_debug_logging"/>
 	</PreferenceScreen>
 </PreferenceScreen>